11,421 results match your criteria Planta[Journal]


Responses of olive plants exposed to different irrigation treatments in combination with heat shock: physiological and molecular mechanisms during exposure and recovery.

Planta 2019 Feb 15. Epub 2019 Feb 15.

Department of Life Science, Centre for Functional Ecology (CFE), University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal.

Main Conclusion: A water-deficit period, leading to stomatal control and overexpression of protective proteins (sHSP and DHN), contributes to olive´s tolerance to later imposed stress episodes. Aquaporins modulation is important in olive recovery. Olive is traditionally cultivated in dry farming or in high water demanding irrigated orchards. Read More

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http://dx.doi.org/10.1007/s00425-019-03109-2DOI Listing
February 2019

Comparative transcriptomics analysis uncovers alternative splicing events and molecular markers in cabbage (Brassica oleracea L.).

Planta 2019 Feb 15. Epub 2019 Feb 15.

Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, People's Republic of China.

Main Conclusion: Alternative splicing (AS) events were identified and verified in cabbage by comparative transcriptome analysis. The corresponding markers were developed and the germplasm resources were identified. Alternative splicing (AS) is a central regulatory mechanism that greatly contributes to plant gene expression and transcriptome diversity. Read More

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http://dx.doi.org/10.1007/s00425-019-03108-3DOI Listing
February 2019
1 Read

Expression of a novel PSK-encoding gene from soybean improves seed growth and yield in transgenic plants.

Planta 2019 Feb 12. Epub 2019 Feb 12.

Shanghai Key Lab of Bio-energy Crops, Plant Science Center, School of Life Sciences, Shanghai University, Shanghai, 200444, China.

Main Conclusion: Expression of GmPSKγ1 , a novel PSK-encoding gene from soybean, increases seed size and yield in transgenic plants by promoting cell expansion. Phytosulfokine-α (PSK-α), a sulfated pentapeptide hormone with the sequence YIYTQ, plays important roles in many aspects of plant growth and development. In this study, we identified a pair of putative precursor genes in soybean, GmPSKγ1 and -2, encoding a PSK-like peptide: PSK-γ. Read More

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http://dx.doi.org/10.1007/s00425-019-03101-wDOI Listing
February 2019

Metabolism of polysaccharides in dynamic middle lamellae during cotton fibre development.

Planta 2019 Feb 8. Epub 2019 Feb 8.

Department of Plant and Environmental Sciences, Copenhagen University, Frederiksberg, Denmark.

Main Conclusion: Evidence is presented that cotton fibre adhesion and middle lamella formation are preceded by cutin dilution and accompanied by rhamnogalacturonan-I metabolism. Cotton fibres are single cell structures that early in development adhere to one another via the cotton fibre middle lamella (CFML) to form a tissue-like structure. The CFML is disassembled around the time of initial secondary wall deposition, leading to fibre detachment. Read More

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http://link.springer.com/10.1007/s00425-019-03107-4
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http://dx.doi.org/10.1007/s00425-019-03107-4DOI Listing
February 2019
1 Read

Cultures of Gossypium barbadense cotton ovules offer insights into the microtubule-mediated control of fiber cell expansion.

Planta 2019 Feb 7. Epub 2019 Feb 7.

Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC, 27695, USA.

Main Conclusion: A novel method for culturing ovules of Gossypium barbadense allowed in vitro comparisons with Gossypium hirsutum and revealed variable roles of microtubules in controlling cotton fiber cell expansion. Cotton fibers undergo extensive elongation and secondary wall thickening as they develop into our most important renewable textile material. These single cells elongate at the apex as well as elongating and expanding in diameter behind the apex. Read More

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http://dx.doi.org/10.1007/s00425-019-03106-5DOI Listing
February 2019

Adaptive responses of amino acid metabolism to the combination of desiccation and low nitrogen availability in Sporobolus stapfianus.

Planta 2019 Feb 6. Epub 2019 Feb 6.

Division of Biological Sciences, Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, 65311, USA.

Main Conclusion: Depending on nitrogen availability, S. stapfianus uses different amino acid metabolism strategies to cope with desiccation stress. The different metabolic strategies support essential processes for the desiccation tolerance phenotype. Read More

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http://dx.doi.org/10.1007/s00425-019-03105-6DOI Listing
February 2019
2 Reads

Grass pea (Lathyrus sativus L.): orphan crop, nutraceutical or just plain food?

Planta 2019 Feb 5. Epub 2019 Feb 5.

International Plant Biotechnology Outreach, VIB, Technologiepark 122, 9052, Ghent, Belgium.

Main Conclusion: Although grass pea is an environmentally successful robust legume with major traits of interest for food and nutrition security, the genetic potential of this orphan crop has long been neglected. Grass pea (Lathyrus sativus L.) is a Neolithic plant that has survived millennia of cultivation and has spread over three continents. Read More

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http://link.springer.com/10.1007/s00425-018-03084-0
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http://dx.doi.org/10.1007/s00425-018-03084-0DOI Listing
February 2019
2 Reads

Application of genetics and biotechnology for improving medicinal plants.

Authors:
Mohsen Niazian

Planta 2019 Feb 4. Epub 2019 Feb 4.

Department of Tissue and Cell Culture, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, 3135933151, Iran.

Main Conclusion: Plant tissue culture has been used for conservation, micropropagation, and in planta overproduction of some pharma molecules of medicinal plants. New biotechnology-based breeding methods such as targeted genome editing methods are able to create custom-designed medicinal plants with different secondary metabolite profiles. For a long time, humans have used medicinal plants for therapeutic purposes and in food and other industries. Read More

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http://dx.doi.org/10.1007/s00425-019-03099-1DOI Listing
February 2019

OsbZIP42 is a positive regulator of ABA signaling and confers drought tolerance to rice.

Planta 2019 Feb 2. Epub 2019 Feb 2.

Division of Bioscience and Bioinformatics, Myongji University, Yongin, 449-728, Korea.

Main Conclusion: OsbZIP42 is a positive regulator of ABA signaling and drought stress tolerance. The activation of OsbZIP42 depends on stress-/ABA-activated protein kinase 4 (SAPK4) and an additional ABA-dependent modification of OsbZIP42. Basic leucine zipper transcription factors (bZIP TFs) play important roles in the ABA signaling pathway in plants. Read More

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http://dx.doi.org/10.1007/s00425-019-03104-7DOI Listing
February 2019

Gene expression and spatiotemporal localization of antifungal chitin-binding proteins during Moringa oleifera seed development and germination.

Planta 2019 Jan 31. Epub 2019 Jan 31.

Department of Biochemistry and Molecular Biology, Federal University of Ceara, Fortaleza, CE, 60440-900, Brazil.

Main Conclusion: Chitin-binding proteins behave as storage and antifungal proteins in the seeds of Moringa oleifera. Moringa oleifera is a tropical multipurpose tree. Its seed constituents possess coagulant, bactericidal, fungicidal, and insecticidal properties. Read More

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http://dx.doi.org/10.1007/s00425-019-03103-8DOI Listing
January 2019

Gene co-expression network analysis identifies trait-related modules in Arabidopsis thaliana.

Planta 2019 Jan 30. Epub 2019 Jan 30.

School of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, People's Republic of China.

Main Conclusion: A comprehensive network of the Arabidopsis transcriptome was analyzed and may serve as a valuable resource for candidate gene function investigations. A web tool to explore module information was also provided. Arabidopsis thaliana is a widely studied model plant whose transcriptome has been substantially profiled in various tissues, development stages and other conditions. Read More

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http://dx.doi.org/10.1007/s00425-019-03102-9DOI Listing
January 2019
1 Read
3.263 Impact Factor

Production of deuterated biomass by cultivation of Lemna minor (duckweed) in DO.

Planta 2019 Jan 29. Epub 2019 Jan 29.

Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37831, USA.

Main Conclusion: Common duckweed Lemna minor was cultivated in 50% DO to produce biomass with 50-60% deuterium incorporation containing cellulose with degree of polymerization close (85%) to that of HO-grown controls. The small aquatic plant duckweed, particularly the genus Lemna, widely used for toxicity testing, has been proposed as a potential source of biomass for conversion into biofuels as well as a platform for production of pharmaceuticals and specialty chemicals. Ability to produce deuterium-substituted duckweed can potentially extend the range of useful products as well as assist process improvement. Read More

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http://dx.doi.org/10.1007/s00425-019-03097-3DOI Listing
January 2019

A maize cytochrome b-c1 complex subunit protein ZmQCR7 controls variation in the hypersensitive response.

Planta 2019 Jan 29. Epub 2019 Jan 29.

Department of Entomology and Plant Pathology, NC State University, Raleigh, NC, 27695-7616, USA.

Main Conclusion: The gene GRMZM2G318346 which encodes a cytochrome b-c1 complex subunit 7 is associated with variation in strength of the hypersensitive response in maize. We previously identified a QTL at 3,545,354 bp (B73 reference genome V2) on maize chromosome 5 associated with variation in the hypersensitive response (HR) conferred by the autoactive R-gene Rp1-D21 (Olukolu et al. in PLoS Genet 10:e1004562 2014). Read More

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http://dx.doi.org/10.1007/s00425-019-03092-8DOI Listing
January 2019
1 Read

Effects of exogenous 24-epibrassinolide and brassinazole on negative gravitropism and tension wood formation in hybrid poplar (Populus deltoids × Populus nigra).

Planta 2019 Jan 28. Epub 2019 Jan 28.

School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei, 230036, Anhui, People's Republic of China.

Main Conclusion: Exogenous 24-epibrassinolide (BL) and brassinazole (BRZ) have regulatory roles in G-fiber cell wall development and secondary xylem cell wall carbohydrate biosynthesis during tension wood formation in hybrid poplar. Brassinosteroids (BRs) play important roles in regulating gravitropism and vasculature development. Here, we report the effect of brassinosteroids on negative gravitropism and G-fiber cell wall development of the stem in woody angiosperms. Read More

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http://dx.doi.org/10.1007/s00425-018-03074-2DOI Listing
January 2019

Defence mechanisms of Ficus: pyramiding strategies to cope with pests and pathogens.

Planta 2019 Jan 28. Epub 2019 Jan 28.

UMR1121, Université de Lorraine-INRA Laboratoire Agronomie et Environnement ENSAIA, 2 Avenue Forêt de Haye, 54518, Vandœuvre-lès-Nancy, France.

Ficus species have adapted to diverse environments and pests by developing physical or chemical protection strategies. Physical defences are based on the accumulation of minerals such as calcium oxalate crystals, amorphous calcium carbonates and silica that lead to tougher plants. Additional cellular structures such as non-glandular trichomes or laticifer cells make the leaves rougher or sticky upon injury. Read More

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http://dx.doi.org/10.1007/s00425-019-03098-2DOI Listing
January 2019
1 Read

Distinctive phytohormonal and metabolic profiles of Arabidopsis thaliana and Eutrema salsugineum under similar soil drying.

Planta 2019 Jan 25. Epub 2019 Jan 25.

Department of Mathematics, University of York, Heslington, York, YO10 5DD, UK.

Main Conclusions: Arabidopsis and Eutrema show similar stomatal sensitivity to drying soil. In Arabidopsis, larger metabolic adjustments than in Eutrema occurred, with considerable differences in the phytohormonal responses of the two species. Although plants respond to soil drying via a series of concurrent physiological and molecular events, drought tolerance differs greatly within the plant kingdom. Read More

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http://link.springer.com/10.1007/s00425-019-03095-5
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http://dx.doi.org/10.1007/s00425-019-03095-5DOI Listing
January 2019
4 Reads

Cyanobiont diversity in six Azolla spp. and relation to Azolla-nutrient profiling.

Planta 2019 Jan 25. Epub 2019 Jan 25.

ICAR-National Rice Research Institute, Cuttack, Odisha, 753006, India.

Main Conclusion: Illumina-Miseq-based cyanobiont diversity and biomass were analyzed in six Azolla spp. Results revealed that 93-98% of total operational taxonomic units (OTUs) belong to Nostacaceae followed by Cylindrospermopsis with about 1-6% OTUs. The taxonomy of Azolla-cyanobiont is a long-term debate within the scientific community. Read More

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http://dx.doi.org/10.1007/s00425-019-03093-7DOI Listing
January 2019
4 Reads

Irrigation affects characteristics of narrow-leaved lupin (Lupinus angustifolius L.) seeds.

Planta 2019 Jan 25. Epub 2019 Jan 25.

Department of Cytophysiology, Faculty of Biology and Environmental Protection, University of Łódź, ul. Pomorska 141/143, 90-236, Lodz, Poland.

Main Conclusion: While plant irrigation usually increases yield, irrigation also affects seed characteristics with respect to endoreplication level, chemical composition, number of carbonyl bands, and cuticular wax profiles. Seeds of sweet varieties of the narrow-leaved lupin have good nutritional properties; however, these plants are sensitive to water deficit. Irrigation improves lupin yield, but can affect seed characteristics. Read More

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http://dx.doi.org/10.1007/s00425-019-03091-9DOI Listing
January 2019
1 Read
3.263 Impact Factor

Heterochromatin evolution in Arachis investigated through genome-wide analysis of repetitive DNA.

Planta 2019 Jan 24. Epub 2019 Jan 24.

Facultad de Ciencias Agrarias, Instituto de Botánica del Nordeste (UNNE-CONICET), Corrientes, Argentina.

Main Conclusion: The most conspicuous difference among chromosomes and genomes in Arachis species, the patterns of heterochromatin, was mainly modeled by differential amplification of different members of one superfamily of satellite DNAs. Divergence in repetitive DNA is a primary driving force for genome and chromosome evolution. Section Arachis is karyotypically diverse and has six different genomes. Read More

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http://dx.doi.org/10.1007/s00425-019-03096-4DOI Listing
January 2019
6 Reads

Brassinosteroids facilitate xylem differentiation and wood formation in tomato.

Planta 2019 Jan 23. Epub 2019 Jan 23.

Department of Biology, Chungbuk National University, Cheongju, 28644, Republic of Korea.

Main Conclusion: BR signaling pathways facilitate xylem differentiation and wood formation by fine tuning SlBZR1/SlBZR2-mediated gene expression networks involved in plant secondary growth. Brassinosteroid (BR) signaling and BR crosstalk with diverse signaling cues are involved in the pleiotropic regulation of plant growth and development. Recent studies reported the critical roles of BR biosynthesis and signaling in vascular bundle development and plant secondary growth; however, the molecular bases of these roles are unclear. Read More

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http://link.springer.com/10.1007/s00425-019-03094-6
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http://dx.doi.org/10.1007/s00425-019-03094-6DOI Listing
January 2019
3 Reads

Comparative physiological and metabolomic analyses reveal natural variations of tulip in response to storage temperatures.

Planta 2019 Jan 22. Epub 2019 Jan 22.

Key Laboratory of Horticultural Plant Biology, Ministry of Education, Key Laboratory of Urban Agriculture in Central China, Ministry of Agriculture, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China.

Main Conclusion: Three tulip cultivars were screened out with successful bloom after a short-term cold treatment, and the differential responses to postharvest cold treatment were analyzed between two contrasting tulip cultivars. Tulip is one of the most important ornamental bulbous plants in the world. A precious precooling treatment during bulb postharvest is required for optimal floral stalk elongation and flower development in tulip. Read More

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http://dx.doi.org/10.1007/s00425-018-03072-4DOI Listing
January 2019
4 Reads

Phytochemical composition and biological activities of native and in vitro-propagated Micromeria croatica (Pers.) Schott (Lamiaceae).

Planta 2019 Jan 21. Epub 2019 Jan 21.

Institute for Biological Research "Siniša Stanković", University of Belgrade, Bulevar despota Stefana 142, Belgrade, 11060, Serbia.

Main Conclusion: In vitro culture conditions and kinetin induced quantitative modifications in the production of the major volatile constituents in Micromeria croatica plantlets. Antimicrobial activity of methanolic extracts obtained from micropropagated and wild-growing plants was evaluated. Micromeria spp. Read More

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http://dx.doi.org/10.1007/s00425-018-03071-5DOI Listing
January 2019
1 Read

The nucleoid-associated protein WHIRLY1 is required for the coordinate assembly of plastid and nucleus-encoded proteins during chloroplast development.

Planta 2019 Jan 11. Epub 2019 Jan 11.

Institute of Botany, Christian-Albrechts-University of Kiel, Kiel, Germany.

Main Conclusion: Chloroplasts deficient in the major chloroplast nucleoid-associated protein WHIRLY1 have an enhanced ratio of LHCs to reaction centers, indicating that WHIRLY1 is required for a coordinate assembly of the photosynthetic apparatus during chloroplast development. Chloroplast development was found to be delayed in barley plants with an RNAi-mediated knockdown of WHIRLY1 encoding a major nucleoid-associated protein of chloroplasts. The plastids of WHIRLY1 deficient plants had a reduced ribosome content. Read More

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http://dx.doi.org/10.1007/s00425-018-03085-zDOI Listing
January 2019
1 Read

Transcriptome profiling illustrates expression signatures of dehydration tolerance in developing grasspea seedlings.

Planta 2019 Jan 10. Epub 2019 Jan 10.

National Institute of Plant Genome Research, Jawaharlal Nehru University Campus, Aruna Asaf Ali Marg, New Delhi, 110067, India.

Main Conclusion: This study highlights dehydration-mediated temporal changes in physicochemical, transcriptome and metabolome profiles indicating altered gene expression and metabolic shifts, underlying endurance and adaptation to stress tolerance in the marginalized crop, grasspea. Grasspea, often regarded as an orphan legume, is recognized to be fairly tolerant to water-deficit stress. In the present study, 3-week-old grasspea seedlings were subjected to dehydration by withholding water over a period of 144 h. Read More

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http://dx.doi.org/10.1007/s00425-018-03082-2DOI Listing
January 2019
1 Read

Sustained substrate cycles between hexose phosphates and free sugars in phosphate-deficient potato (Solanum tuberosum) cell cultures.

Planta 2019 Jan 9. Epub 2019 Jan 9.

Institut de Recherche en Biologie Végétale, Université de Montréal, 4101 Sherbrooke est, Montréal, Qc, H1X 2B2, Canada.

Main Conclusion: Futile cycling between free sugars and hexose phosphates occurring under phosphate deficiency could be involved in the maintenance of a threshold level of free cellular phosphate to preserve respiratory metabolism. We studied the metabolic response of potato cell cultures growing in Pi sufficient (2.5 mM, +Pi) or deficient (125 µM, -Pi) conditions. Read More

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http://dx.doi.org/10.1007/s00425-019-03088-4DOI Listing
January 2019
2 Reads

LBD13 positively regulates lateral root formation in Arabidopsis.

Planta 2019 Jan 9. Epub 2019 Jan 9.

Department of Bioenergy Science and Technology, Chonnam National University, Gwangju, 500-757, South Korea.

Main Conclusion: Lateral Organ Boundaries Domain 13 (LBD13), which is expressed in emerged lateral roots and encodes a transcriptional activator, plays an important role in lateral root formation in Arabidopsis. Lateral roots (LRs) are major determinants of root system architecture, contributing to the survival strategies of plants. Members of the LBD gene family encode plant-specific transcription factors that play key roles in plant organ development. Read More

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http://link.springer.com/10.1007/s00425-018-03087-x
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http://dx.doi.org/10.1007/s00425-018-03087-xDOI Listing
January 2019
6 Reads

Revisiting the versatile buckwheat: reinvigorating genetic gains through integrated breeding and genomics approach.

Planta 2019 Jan 8. Epub 2019 Jan 8.

Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.

Main Conclusion: Emerging insights in buckwheat molecular genetics allow the integration of genomics driven breeding to revive this ancient crop of immense nutraceutical potential from Asia. Out of several thousand known edible plant species, only four crops-rice, wheat, maize and potato provide the largest proportion of daily nutrition to billions of people. While these crops are the primary supplier of carbohydrates, they lack essential amino acids and minerals for a balanced nutrition. Read More

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http://dx.doi.org/10.1007/s00425-018-03080-4DOI Listing
January 2019
4 Reads

Genome-wide investigation of the MADS gene family and dehulling genes in tartary buckwheat (Fagopyrum tataricum).

Planta 2019 Jan 7. Epub 2019 Jan 7.

College of Life Science, Sichuan Agricultural University, Ya'an, China.

Main Conclusion: Genome-wide identification, expression analysis and potential functional characterization of previously uncharacterized MADS family of tartary buckwheat, emphasized the importance of this gene family in plant growth and development. The MADS transcription factor is a key regulatory factor in the development of most plants. The MADS gene in plants controls all aspects of tissue and organ growth and reproduction and can be used to regulate plant seed cracking. Read More

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http://dx.doi.org/10.1007/s00425-019-03089-3DOI Listing
January 2019
14 Reads

Accumulation of volatile phenol glycoconjugates in grapes following grapevine exposure to smoke and potential mitigation of smoke taint by foliar application of kaolin.

Planta 2019 Jan 5. Epub 2019 Jan 5.

School of Agriculture, Food and Wine, The University of Adelaide, PMB 1, Glen Osmond, SA, 5064, Australia.

Main Conclusion: The accumulation of volatile phenol glycoconjugates in smoke-exposed grapes was monitored following grapevine exposure to smoke, with different glycoconjugate profiles observed for fruit sampled 1 and 7 days after smoke exposure, and at maturity. Foliar application of kaolin reduced the concentration of volatile phenol glycoconjugates in smoke-exposed fruit, but efficacy depended on the rate of application and extent of coverage. Smoke taint can be found in wines made from grapes exposed to smoke from bushfires or prescribed burns. Read More

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http://dx.doi.org/10.1007/s00425-018-03079-xDOI Listing
January 2019
1 Read

Specialized lysophosphatidic acid acyltransferases contribute to unusual fatty acid accumulation in exotic Euphorbiaceae seed oils.

Planta 2019 Jan 4. Epub 2019 Jan 4.

Department of Chemistry and Biochemistry, University of Southern Mississippi, Hattiesburg, MS, 39406, USA.

Main Conclusion: In vivo and in vitro analyses of Euphorbiaceae species' triacylglycerol assembly enzymes substrate selectivity are consistent with the co-evolution of seed-specific unusual fatty acid production and suggest that many of these genes will be useful for biotechnological production of designer oils. Many exotic Euphorbiaceae species, including tung tree (Vernicia fordii), castor bean (Ricinus communis), Bernardia pulchella, and Euphorbia lagascae, accumulate unusual fatty acids in their seed oils, many of which have valuable properties for the chemical industry. However, various adverse plant characteristics including low seed yields, production of toxic compounds, limited growth range, and poor resistance to abiotic stresses have limited full agronomic exploitation of these plants. Read More

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http://dx.doi.org/10.1007/s00425-018-03086-yDOI Listing
January 2019
1 Read

Transcriptome analysis of 1- and 3-year-old Panax notoginseng roots and functional characterization of saponin biosynthetic genes DS and CYP716A47-like.

Planta 2019 Jan 3. Epub 2019 Jan 3.

Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road 132, Kunming, 650201, China.

Main Conclusion: Transcriptome analysis revealed high expression of saponin biosynthetic genes may account for highly accumulated saponins in 3-year-old Panax notoginseng roots and DS and CYP716A47 - like were functionally verified by transgenic tobacco. Panax notoginseng is a well-known traditional medical herb that contains bioactive compounds known as saponins. Three major dammarene-type triterpene saponins including R1, Rb1, and Rg1 were found to be highly accumulated in the roots of 3-year-old plants when compared to those of 1-year-old plants. Read More

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http://dx.doi.org/10.1007/s00425-018-03083-1DOI Listing
January 2019
2 Reads

Plant biodiversity and regulation of photosynthesis in the natural environment.

Planta 2019 Jan 3. Epub 2019 Jan 3.

Department of Biology, University of Padova, Via Ugo Bassi 58B, 35121, Padua, Italy.

Main Conclusion: Investigation of photosynthesis regulation in different plant groups exposed to variable conditions showed that all species have similar photosynthetic electron transport modulation while excess energy dissipation is species specific. Photosynthesis is regulated in response to dynamic environmental conditions to satisfy plant metabolic demands while also avoiding possible over-excitation of the electron transport chain and the generation of harmful reactive oxygen species. Photosynthetic organisms evolved several mechanisms to modulate light harvesting and electron transport efficiency to respond to conditions changing at different timescales, going from fast sun flecks to slow seasonal variations. Read More

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http://dx.doi.org/10.1007/s00425-018-03077-zDOI Listing
January 2019
1 Read

Nutritional value of potato (Solanum tuberosum) in hot climates: anthocyanins, carotenoids, and steroidal glycoalkaloids.

Planta 2019 Jan 2. Epub 2019 Jan 2.

Agricultural Research Organization, the Volcani Center, Institute of Plant Sciences, 68 HaMaccabim Road, P.O. Box 15159, 7505101, Rishon LeZion, Israel.

Main Conclusion: Growth in hot climates selectively alters potato tuber secondary metabolism-such as the anthocyanins, carotenoids, and glycoalkaloids-changing its nutritive value and the composition of health-promoting components. Potato breeding for improved nutritional value focuses mainly on increasing the health-promoting carotenoids and anthocyanins, and controlling toxic steroidal glycoalkaloids (SGAs). Metabolite levels are genetically determined, but developmental, tissue-specific, and environmental cues affect their final content. Read More

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http://dx.doi.org/10.1007/s00425-018-03078-yDOI Listing
January 2019
1 Read

The apple U-box E3 ubiquitin ligase MdPUB29 contributes to activate plant immune response to the fungal pathogen Botryosphaeria dothidea.

Planta 2019 Jan 2. Epub 2019 Jan 2.

National Key Laboratory of Crop Biology, MOA Key Laboratory of Horticultural Crop Biology and Germplasm Innovation, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, Shandong, China.

Main Conclusion: MdPUB29 is a positive regulator of the defense response to the fungal pathogen Botryosphaeria dothidea possibly by directly regulating the salicylic acid (SA) content as well as SA synthesis-related and signaling-related gene transcription. In plants, ubiquitin E3 ligases containing a U-box domain (PUBs, Plant U-box E3 ubiquitin ligase) have been identified as key regulators of fundamental cellular processes, such as cellular growth, development, and apoptosis, as well as biotic and abiotic stress responses. However, the function of PUBs in apple ring rot remains elusive. Read More

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http://dx.doi.org/10.1007/s00425-018-03069-zDOI Listing
January 2019
1 Read

Ten years of algal biofuel and bioproducts: gains and pains.

Planta 2019 Jan 2;249(1):195-219. Epub 2019 Jan 2.

Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, 7 South Donghu Rd., Wuhan, 430072, Hubei Province, China.

Main Conclusion: It has been proposed that future efforts should focus on basic studies, biotechnology studies and synthetic biology studies related to algal biofuels and various high-value bioproducts for the economically viable production of algal biof uels. In recognition of diminishing fossil fuel reserves and the worsening environment, microalgal biofuel has been proposed as a renewable energy source with great potential. Algal biofuel thus became one of the hottest topics in renewable energy research in the new century, especially over the past decade. Read More

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http://dx.doi.org/10.1007/s00425-018-3066-8DOI Listing
January 2019
1 Read

Rhizobial symbiosis modifies root hydraulic properties in bean plants under non-stressed and salinity-stressed conditions.

Planta 2019 Jan 2. Epub 2019 Jan 2.

Department of Soil Microbiology and Symbiotic System, Estación Experimental del Zaidín (CSIC), Profesor Albareda 1, 18008, Granada, Spain.

Main Conclusion: Rhizobial symbiosis improved the water status of bean plants under salinity-stress conditions, in part by increasing their osmotic root water flow. One of the main problems for agriculture worldwide is the increasing salinization of farming lands. The use of soil beneficial microorganisms stands up as a way to tackle this problem. Read More

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http://dx.doi.org/10.1007/s00425-018-03076-0DOI Listing
January 2019
1 Read

Genome-wide identification and comparative analysis of alternative splicing across four legume species.

Planta 2019 Jan 2. Epub 2019 Jan 2.

Institute of Animal Science, Chinese Academy of Agricultural Science, Beijing, 100193, China.

Main Conclusion: Alternative splicing EVENTS were genome-wide identified for four legume species, and nitrogen fixation-related gene families and evolutionary analysis was also performed. Alternative splicing (AS) is a key regulatory mechanism that contributes to transcriptome and proteome diversity. Investigation of the genome-wide conserved AS events across different species will help with the understanding of the evolution of the functional diversity in legumes, allowing for genetic improvement. Read More

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http://dx.doi.org/10.1007/s00425-018-03073-3DOI Listing
January 2019
1 Read

Chlorella vulgaris integrates photoperiod and chloroplast redox signals in response to growth at high light.

Planta 2019 Jan 2. Epub 2019 Jan 2.

Department of Biology and The Biotron Centre for Experimental Climate Change Research, University of Western Ontario, London, N6A 5B7, Canada.

Main Conclusion: Photoacclimation to variable light and photoperiod regimes in C. vulgaris represents a complex interplay between "biogenic" phytochrome-mediated sensing and "operational" redox sensing signaling pathways. Chlorella vulgaris Beijerinck UTEX 265 exhibits a yellow-green phenotype when grown under high light (HL) in contrast to a dark green phenotype when grown at low light (LL). Read More

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http://dx.doi.org/10.1007/s00425-018-03070-6DOI Listing
January 2019
1 Read

Candidate genes and genome-wide association study of grain protein content and protein deviation in durum wheat.

Planta 2019 Jan 2. Epub 2019 Jan 2.

Department of Soil, Plant and Food Sciences, Genetics and Plant Breeding Section, University of Bari, Bari, Italy.

Main Conclusion: Stable QTL for grain protein content co-migrating with nitrogen-related genes have been identified by the candidate genes and genome-wide association mapping approaches useful for marker-assisted selection. Grain protein content (GPC) is one of the most important quality traits in wheat, defining the nutritional and end-use properties and rheological characteristics. Over the years, a number of breeding programs have been developed aimed to improving GPC, most of them having been prevented by the negative correlation with grain yield. Read More

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http://link.springer.com/10.1007/s00425-018-03075-1
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http://dx.doi.org/10.1007/s00425-018-03075-1DOI Listing
January 2019
7 Reads

Occurrence of brassinosteroids and influence of 24-epibrassinolide with brassinazole on their content in the leaves and roots of Hordeum vulgare L. cv. Golden Promise.

Planta 2019 Jan 29;249(1):123-137. Epub 2018 Dec 29.

Department of Plant Biochemistry and Toxicology, University of Bialystok, Faculty of Biology and Chemistry, Institute of Biology, 1J Konstantego Ciolkowskiego St., 15-245, Białystok, Poland.

Main Conclusion: 24-epibrassinolide overcame the inhibitory effect of brassinazole on the barley growth and the content of brassinosteroids. The present work demonstrates the occurrence of mainly castasterone, brassinolide and cathasterone and lower amounts of 24-epibrassinolide, 24-epicastasterone, 28-homobrassinolide, typhasterol, 6-deoxocastasterone and 6-deoxotyphasterol in 14-day-old de-etiolated barley (Hordeum vulgare L. cv. Read More

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http://dx.doi.org/10.1007/s00425-018-03081-3DOI Listing
January 2019
2 Reads

Role of a cotton endoreduplication-related gene, GaTOP6B, in response to drought stress.

Planta 2018 Dec 14. Epub 2018 Dec 14.

Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou, 450001, Henan, People's Republic of China.

Main Conclusion: Cotton GaTOP6B is involved in cellular endoreduplication and a positive response to drought stress via promoting plant leaf and root growth. Drought is deemed as one of adverse conditions that could cause substantial reductions in crop yields worldwide. Since cotton exhibits a moderate-tolerant phenotype under water-deficit conditions, the plant could therefore be used to characterize potential new genes regulating drought tolerance in crop plants. Read More

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http://link.springer.com/10.1007/s00425-018-3067-7
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http://dx.doi.org/10.1007/s00425-018-3067-7DOI Listing
December 2018
22 Reads

Cotyledons contribute to plant growth and hybrid vigor in Arabidopsis.

Planta 2018 Dec 14. Epub 2018 Dec 14.

Faculty of Science, University of Technology, Sydney, NSW, 2007, Australia.

Main Conclusion: In hybrids of Arabidopsis, cotyledons influence the amount and proportion of hybrid vigor in total plant growth. We found Arabidopsis cotyledons are essential for plant growth and in some hybrids for hybrid vigor. In hybrids between C24 and Landsberg erecta (Ler), biomass vigor (heterosis) occurs in the first few days after sowing (DAS), with hybrid cotyledons being larger than those of their parents. Read More

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http://dx.doi.org/10.1007/s00425-018-3068-6DOI Listing
December 2018
14 Reads
3.263 Impact Factor

Mining the natural genetic variation in Arabidopsis thaliana for adaptation to sequential abiotic and biotic stresses.

Planta 2018 Dec 14. Epub 2018 Dec 14.

Plant-Microbe Interactions, Department of Biology, Science4Life, Utrecht University, PO Box 80056, 3508 TB, Utrecht, The Netherlands.

Main Conclusion: In this genome-wide association study, we obtained novel insights into the genetic basis of the effect of herbivory or drought stress on the level of resistance against the fungus Botrytis cinerea. In nature, plants function in complex environments where they encounter different biotic and abiotic stresses individually, sequentially or simultaneously. The adaptive response to a single stress does not always reflect how plants respond to such a stress in combination with other stresses. Read More

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http://dx.doi.org/10.1007/s00425-018-3065-9DOI Listing
December 2018
4 Reads

A lavender ABC transporter confers resistance to monoterpene toxicity in yeast.

Planta 2019 Jan;249(1):139-144

Department of Biology, University of British Columbia, Kelowna, BC, V1V 1V7, Canada.

Main Conclusion: Functional expression of a multidrug resistance-type ABC transporter from Lavandulaangustifolia improved yeast resistance to geraniol, a monoterpene constituent of lavender essential oil. Plant ATP-binding cassette (ABC) transporters are a large family of membrane proteins involved in active and selective transport of structurally diverse compounds. In this study, we functionally evaluated LaABCB1, a multidrug resistance (MDR)-type ABC transporter strongly expressed in the secretory cells of lavender glandular trichomes, where monoterpene essential oil constituents are synthesized and secreted. Read More

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http://link.springer.com/10.1007/s00425-018-3064-x
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http://dx.doi.org/10.1007/s00425-018-3064-xDOI Listing
January 2019
3 Reads

Papillae formation on Arabidopsis leaf trichomes requires the function of Mediator tail subunits 2, 14, 15a, 16, and 25.

Planta 2018 Dec 7. Epub 2018 Dec 7.

School of Biological Sciences, Illinois State University, Normal, IL, 61790, USA.

Main Conclusion: Arabidopsis Mediator subunits 2, 14, 15a, 16, and 25 are required for papillae development on the trichome cell wall surface. Arabidopsis leaf hairs exhibit raised protrusions, termed papillae, on their cell wall surfaces. Here, we show that the glassy hair mutant, glh2, exhibits trichomes with an approximate 11-fold decrease in papillae density on their surfaces in comparison to wild type. Read More

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http://dx.doi.org/10.1007/s00425-018-3063-yDOI Listing
December 2018
1 Read

Indole-3-acetylaspartate and indole-3-acetylglutamate, the IAA-amide conjugates in the diploid strawberry achene, are hydrolyzed in growing seedlings.

Planta 2018 Dec 8. Epub 2018 Dec 8.

USDA/ARS Genetic Improvement of Fruit and Vegetables Laboratory, 10300 Baltimore Avenue, Beltsville, MD, 20705, USA.

Main Conclusion: Indole-3-acetylaspartate and indole-3-acetylglutamate are the stored auxin amino acid conjugates of the achene of the diploid strawberry and serve as sources of auxin during seedling growth. The edible part of the strawberry, a pseudocarp, has long been known to enlarge in response to auxin produced by the developing achenes, the botanical true fruit. Auxin homeostasis involves a complex interaction between biosynthesis, conjugate formation and hydrolysis, catabolism and transport. Read More

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http://link.springer.com/10.1007/s00425-018-3061-0
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http://dx.doi.org/10.1007/s00425-018-3061-0DOI Listing
December 2018
8 Reads

Antioxidant capacity of Camellia japonica cultivars assessed by near- and mid-infrared spectroscopy.

Planta 2018 Dec 1. Epub 2018 Dec 1.

LAQV/REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.

Main Conclusion: Camellia japonica antioxidant capacity highly differs among its cultivars and could be successfully predicted by near- and mid-infrared spectroscopy. Camellia japonica is a Theaceae family species which are mainly used as an ornamental plant due to its colourful flowers presenting over than 32,000 recognized cultivars. However, this species have been somehow neglected due to the popular tea source, Camellia sinensis. Read More

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http://dx.doi.org/10.1007/s00425-018-3062-zDOI Listing
December 2018
2 Reads

Plasma-membrane electrical responses to salt and osmotic gradients contradict radiotracer kinetics, and reveal Na-transport dynamics in rice (Oryza sativa L.).

Planta 2018 Nov 29. Epub 2018 Nov 29.

School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Melbourne, VIC, 3010, Australia.

Main Conclusion: A systematic analysis of NaCl-dependent, plasma-membrane depolarization (∆∆Ψ) in rice roots calls into question the current leading model of rapid membrane cycling of Na under salt stress. To investigate the character and mechanisms of Na influx into roots, Na-dependent changes in plasma-membrane electrical potentials (∆∆Ψ) were measured in root cells of intact rice (Oryza sativa L., cv. Read More

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http://dx.doi.org/10.1007/s00425-018-3059-7DOI Listing
November 2018
13 Reads

Transcriptional and metabolic changes in the desiccation tolerant plant Craterostigma plantagineum during recurrent exposures to dehydration.

Planta 2018 Nov 29. Epub 2018 Nov 29.

Institute of Molecular Physiology and Biotechnology of Plants (IMBIO), University of Bonn, Kirschallee 1, 53115, Bonn, Germany.

Main Conclusion: Multiple dehydration/rehydration treatments improve the adaptation of Craterostigma plantagineum to desiccation by accumulating stress-inducible transcripts, proteins and metabolites. These molecules serve as stress imprints or memory and can lead to increased stress tolerance. It has been reported that repeated exposure to dehydration may generate stronger reactions during a subsequent dehydration treatment in plants. Read More

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http://link.springer.com/10.1007/s00425-018-3058-8
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http://dx.doi.org/10.1007/s00425-018-3058-8DOI Listing
November 2018
11 Reads

ATR-FTIR spectroscopy non-destructively detects damage-induced sour rot infection in whole tomato fruit.

Planta 2018 Nov 28. Epub 2018 Nov 28.

School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston, UK.

Main Conclusion: ATR-FTIR spectroscopy with subsequent multivariate analysis non-destructively identifies plant-pathogen interactions during disease progression, both directly and indirectly, through alterations in the spectral fingerprint. Plant-environment interactions are essential to understanding crop biology, optimizing crop use, and minimizing loss to ensure food security. Damage-induced pathogen infection of delicate fruit crops such as tomato (Solanum lycopersicum) are therefore important processes related to crop biology and modern horticulture. Read More

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http://dx.doi.org/10.1007/s00425-018-3060-1DOI Listing
November 2018
10 Reads