11,478 results match your criteria Planta[Journal]


Commentary on Grandellis et al. 2019: suggesting endogenous DNA as further player in the plant immune response to DOTAP.

Authors:
Martin Heil

Planta 2019 Apr 23. Epub 2019 Apr 23.

Departmento de Ingeniería Genética, Centro de Investigación y de Estudios Avanzados (CINVESTAV) Unidad Irapuato, 36824, Irapuato, Guanajuato, Mexico.

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http://dx.doi.org/10.1007/s00425-019-03170-xDOI Listing

Correction to: An International Journal of Plant Biology.

Authors:

Planta 2019 Apr 17. Epub 2019 Apr 17.

The articles listed above were initially published with incorrect copyright information. Read More

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http://dx.doi.org/10.1007/s00425-019-03165-8DOI Listing

Non-coding RNAs and transposable elements in plant genomes: emergence, regulatory mechanisms and roles in plant development and stress responses.

Planta 2019 Apr 16. Epub 2019 Apr 16.

Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Agronomy College, Jiangxi Agricultural University, Nanchang, 330045, China.

Main Conclusion: This review will provide evidence for the indispensable function of these elements in regulating plant development and resistance to biotic and abiotic stresses, as well as their evolutionary role in facilitating plant adaptation. Over millions of years of evolution, plant genomes have acquired a complex constitution. Plant genomes consist not only of protein coding sequences, but also contain large proportions of non-coding sequences. Read More

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http://link.springer.com/10.1007/s00425-019-03166-7
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http://dx.doi.org/10.1007/s00425-019-03166-7DOI Listing
April 2019
2 Reads

The evolution of the plastid phosphate translocator family.

Planta 2019 Apr 16. Epub 2019 Apr 16.

Department of Arctic and Marine Biology, UiT The Arctic University of Norway, Biologibygget, Framstredet 39, 9037, Tromsø, Norway.

Main Conclusion: The plastid phosphate translocators evolved in algae but diversified into several groups, which adopted different physiological functions by extensive gene duplications and losses in Streptophyta. The plastid phosphate translocators (pPT) are a family of transporters involved in the exchange of metabolites and inorganic phosphate between stroma and cytosol. Based on their substrate specificities, they were divided into four subfamilies named TPT, PPT, GPT and XPT. Read More

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http://dx.doi.org/10.1007/s00425-019-03161-yDOI Listing

Rust pathogen effectors: perspectives in resistance breeding.

Planta 2019 Apr 12. Epub 2019 Apr 12.

ICAR-Indian Institute of Wheat and Barley Research, Regional Station, Shimla, Himachal Pradesh, 171002, India.

Main Conclusion: Identification and functional characterization of plant pathogen effectors promise to ameliorate future research and develop effective and sustainable strategies for controlling or containing crop diseases. Wheat is the second most important food crop of the world after rice. Rust pathogens, one of the major biotic stresses in wheat production, are capable of threatening the world food security. Read More

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http://dx.doi.org/10.1007/s00425-019-03167-6DOI Listing
April 2019
1 Read
3.263 Impact Factor

Occurrence and biosynthesis of cytokinins in poplar.

Planta 2019 Apr 12. Epub 2019 Apr 12.

Department of Phytochemistry, Faculty of Science, Centre of the Region Hana for Biotechnological and Agricultural Research, Palacký University Olomouc, Šlechtitelů 27, 78371, Olomouc, Czech Republic.

Main Conclusion: Isoprenoid and aromatic cytokinins occur in poplar as free compounds and constituents of tRNA, poplar isopentenyltransferases are involved in the production of isoprenoid cytokinins, while biosynthesis of their aromatic counterparts remains unsolved. Cytokinins are phytohormones with a fundamental role in the regulation of plant growth and development. They occur naturally either as isoprenoid or aromatic derivatives, but the latter are quite rare and less studied. Read More

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http://link.springer.com/10.1007/s00425-019-03152-z
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http://dx.doi.org/10.1007/s00425-019-03152-zDOI Listing
April 2019
2 Reads

Speciation and accumulation of Zn in sweetcorn kernels for genetic and agronomic biofortification programs.

Planta 2019 Apr 12. Epub 2019 Apr 12.

School of Agriculture and Food Sciences, The University of Queensland, Gatton, QLD, 4343, Australia.

Main Conclusion: In sweetcorn (Zea mays L.), embryo Zn is accumulated mainly as Zn-phytate, whereas endosperm Zn is complexed with a N- or S-containing ligand. Understanding the speciation of Zn in crop plants helps improve the effectiveness of biofortification efforts. Read More

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http://dx.doi.org/10.1007/s00425-019-03162-xDOI Listing

Improved laser capture microdissection (LCM)-based method for isolation of RNA, including miRNA and expression analysis in woody apple bud meristem.

Planta 2019 Apr 11. Epub 2019 Apr 11.

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

Main Conclusion: Isolation of high-quality RNA, including miRNA, from microscopic woody apple bud meristem using laser capture microdissection-based method. It is often challenging to study the expression of microRNAs (miRNAs) or genes in less accessible inner tissues of tree species rich in polyphenols or polysaccharides. Here, we report a laser capture microdissection (LCM)-based method for efficient and cost-effective isolation and expression analysis of miRNAs and genes in the meristem tissue of woody apple bud. Read More

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http://dx.doi.org/10.1007/s00425-019-03127-0DOI Listing

Comparative proteomics illustrates the complexity of Fe, Mn and Zn deficiency-responsive mechanisms of potato (Solanum tuberosum L.) plants in vitro.

Planta 2019 Apr 11. Epub 2019 Apr 11.

College of Agronomy, Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Key Laboratory of Crop Improvement and Germplasm Enhancement, Gansu Agricultural University, Lanzhou, 730070, China.

Main Conclusion: The present study is the first to integrate physiological and proteomic data providing information on Fe, Mn and Zn deficiency-responsive mechanisms of potato plants in vitro. Micronutrient deficiency is an important limiting factor for potato production that causes substantial tuber yield and quality losses. To under the underlying molecular mechanisms of potato in response to Fe, Mn and Zn deficiency, a comparative proteomic approach was applied. Read More

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http://dx.doi.org/10.1007/s00425-019-03163-wDOI Listing

Genome-wide association study and quantitative trait loci mapping of seed dormancy in common wheat (Triticum aestivum L.).

Planta 2019 Apr 10. Epub 2019 Apr 10.

Key Laboratory of Plant Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing, China.

Main Conclusion: Totally, 23 and 26 loci for the first count germination ratio and the final germination ratio were detected by quantitative trait loci (QTL) mapping and association mapping, respectively, which could be used to facilitate wheat pre-harvest sprouting breeding. Weak dormancy can cause pre-harvest sprouting in seeds of common wheat which significantly reduces grain yield. In this study, both quantitative trait loci (QTL) mapping and genome-wide association study (GWAS) were used to identify loci controlling seed dormancy. Read More

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http://dx.doi.org/10.1007/s00425-019-03164-9DOI Listing
April 2019
1 Read

Phenomics and genomics of finger millet: current status and future prospects.

Planta 2019 Apr 9. Epub 2019 Apr 9.

GB Pant University of Agricultural Sciences and Technology, Pantnagar, Uttarakhand, India.

Main Conclusion: Diverse gene pool, advanced plant phenomics and genomics methods enhanced genetic gain and understanding of important agronomic, adaptation and nutritional traits in finger millet. Finger millet (Eleusine coracana L. Gaertn) is an important minor millet for food and nutritional security in semi-arid regions of the world. Read More

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http://link.springer.com/10.1007/s00425-019-03159-6
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http://dx.doi.org/10.1007/s00425-019-03159-6DOI Listing
April 2019
3 Reads

The steps from sexual reproduction to apomixis.

Planta 2019 Apr 8. Epub 2019 Apr 8.

College of Forestry, Northwest A&F University, Yangling, Shaanxi, China.

Main Conclusion: In this paper, an interaction model of apomixis-related genes was constructed to analyze the emergence of apomictic types. It is speculated that apomixis technology will be first implemented in gramineous plants. Apomixis (asexual seed formation) is a phenomenon in which a plant bypasses the most fundamental aspects of sexual reproduction-meiosis and fertilization-to form a viable seed. Read More

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http://dx.doi.org/10.1007/s00425-019-03113-6DOI Listing

Overexpression of a basic helix-loop-helix transcription factor gene, SlbHLH22, promotes early flowering and accelerates fruit ripening in tomato (Solanum lycopersicum L.).

Planta 2019 Apr 6. Epub 2019 Apr 6.

School of Life Sciences, Chongqing University, Shapingba, Chongqing, 401331, People's Republic of China.

Main Conclusion: The overexpression of SlbHLH22 functioned in controlling flowering time, accelerated fruit ripening, and produced more ethylene-producing phenotypes in tomato. Flowering and fruit ripening are two complex transition processes regulated by various internal and external factors that ultimately lead to fruit maturation and final seed dispersal. The basic helix-loop-helix (bHLH) transcription factor is the largest TF gene family in plants that controls various biological and developmental aspects, but the actual roles of these genes have not been fully studied. Read More

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http://dx.doi.org/10.1007/s00425-019-03157-8DOI Listing
April 2019
3 Reads
3.263 Impact Factor

Structural organization of the cell wall polymers in compression wood as revealed by FTIR microspectroscopy.

Planta 2019 Apr 5. Epub 2019 Apr 5.

Research Institute of Wood Industry of Chinese Academy of Forestry, Hunan Collaborative Innovation Center for Effective Utilizing of Wood and Bamboo Resources, Beijing, 100091, People's Republic of China.

Main Conclusion: Glucomannan was more strongly oriented, in line with the orientation of cellulose, than the xylan in both compression wood and normal wood of Chinese fir. Lignin in compression wood was somewhat more oriented in the direction of the cellulose microfibrils than in normal wood. The structural organization in compression wood (CW) is quite different from that in normal wood (NW). Read More

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http://dx.doi.org/10.1007/s00425-019-03158-7DOI Listing
April 2019
1 Read

Transcriptome and hormone analyses provide insights into hormonal regulation in strawberry ripening.

Planta 2019 Apr 4. Epub 2019 Apr 4.

State Key Laboratory of Plant Genetics and Germplasm Enhancement and College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, People's Republic of China.

Main Conclusion: The possible molecular mechanisms regulating strawberry fruit ripening were revealed by plant hormone quantification, exogenous hormone application, and RNA-sequencing. Fruit ripening involves a complex interplay among plant hormones. Strawberry is a model for studies on non-climacteric fruit ripening. Read More

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http://dx.doi.org/10.1007/s00425-019-03155-wDOI Listing
April 2019
1 Read

A novel QTL QTrl.saw-2D.2 associated with the total root length identified by linkage and association analyses in wheat (Triticum aestivum L.).

Planta 2019 Apr 3. Epub 2019 Apr 3.

Institute of Wheat Research, Shanxi Academy of Agricultural Sciences, Linfen, China.

Main Conclusion: In wheat, a QTL QTrl.saw-2D.2 associated with the total root length was identified, presumably containing genes closely related to root development. Read More

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http://link.springer.com/10.1007/s00425-019-03154-x
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http://dx.doi.org/10.1007/s00425-019-03154-xDOI Listing
April 2019
12 Reads

Variability in temperature-independent transpiration responses to evaporative demand correlate with nighttime water use and its circadian control across diverse wheat populations.

Planta 2019 Apr 3. Epub 2019 Apr 3.

Department of Agronomy and Plant Genetics, University of Minnesota Twin Cities, Twin Cities, MN, USA.

Main Conclusion: Nocturnal transpiration, through its circadian control, plays a role in modulating daytime transpiration response to increasing evaporative demand, to potentially enable drought tolerance in wheat. Limiting plant transpiration rate (TR) in response to increasing vapor pressure deficit (VPD) has been suggested to enable drought tolerance through water conservation. However, there is very little information on the extent of diversity of TR response curves to "true" VPD (i. Read More

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http://dx.doi.org/10.1007/s00425-019-03151-0DOI Listing
April 2019
2 Reads

Correction to: Accumulation of glycine betaine in transplastomic potato plants expressing choline oxidase confers improved drought tolerance.

Planta 2019 Apr 2. Epub 2019 Apr 2.

State Key Laboratory of Biocatalysis and Enzyme Engineering, College of Life Sciences, Hubei University, Wuhan, 430062, China.

Unfortunately, one of the author names has been misspelled in the original publication. The correct spelling is Qiping Song. Read More

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http://dx.doi.org/10.1007/s00425-019-03153-yDOI Listing

Phytochrome-interacting factor-like protein OsPIL15 integrates light and gravitropism to regulate tiller angle in rice.

Planta 2019 Mar 29. Epub 2019 Mar 29.

State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.

Main Conclusion: Rice phytochrome-interacting factor-like protein OsPIL15 regulates tiller angle through light and gravity signals in rice. Tiller angle of cereal crops is a key agronomic trait that contributes to grain production. An understanding of how tiller angle is controlled is helpful for achieving ideal plant architecture to improve grain yield. Read More

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http://dx.doi.org/10.1007/s00425-019-03149-8DOI Listing

A strategy for developing high-resolution DNA barcodes for species discrimination of wood specimens using the complete chloroplast genome of three Pterocarpus species.

Planta 2019 Mar 28. Epub 2019 Mar 28.

Department of Wood Anatomy and Utilization, Chinese Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing, 100091, China.

Main Conclusion: A method for extraction of wood DNA and a strategy for designing high-resolution barcodes for wood were developed. Ycf1b was the prioritized barcode to resolve the Pterocarpus wood species studied. DNA barcoding, an effective tool for wood species identification, mainly focuses on universal barcodes and often lacks high resolution to differentiate species, especially for closely related taxa within the same genus. Read More

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http://dx.doi.org/10.1007/s00425-019-03150-1DOI Listing
March 2019
1 Read

Mouse lipogenic proteins promote the co-accumulation of triacylglycerols and sesquiterpenes in plant cells.

Planta 2019 Mar 27. Epub 2019 Mar 27.

Department of Biological Sciences, Biodiscovery Institute, University of North Texas, 1155 Union Circle #305220, Denton, TX, 76203-5017, USA.

Main Conclusion: Mouse FIT2 protein redirects the cytoplasmic terpene biosynthetic machinery to lipid-droplet-forming domains in the ER and this relocalization supports the efficient compartmentalization and accumulation of sesquiterpenes in plant cells. Mouse (Mus musculus) fat storage-inducing transmembrane protein 2 (MmFIT2), an endoplasmic reticulum (ER)-resident protein with an important role in lipid droplet (LD) biogenesis in mammals, can function in plant cells to promote neutral lipid compartmentalization. Surprisingly, in affinity capture experiments, the Nicotiana benthamiana 5-epi-aristolochene synthase (NbEAS), a soluble cytoplasm-localized sesquiterpene synthase, was one of the most abundant proteins that co-precipitated with GFP-tagged MmFIT2 in transient expression assays in N. Read More

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http://dx.doi.org/10.1007/s00425-019-03148-9DOI Listing

Association between vitamin content, plant morphology and geographical origin in a worldwide collection of the orphan crop Gynandropsis gynandra (Cleomaceae).

Planta 2019 Mar 25. Epub 2019 Mar 25.

Biosystematics Group, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, The Netherlands.

Main Conclusion: The variability in nutrient content and morphology in Gynandropsis gynandra is associated with the geographic origin of the accessions and provides a basis for breeding for higher levels of vitamin C, carotenoids or tocopherols in higher-yielding cultivars. We examined the variation in carotenoids, tocopherols and ascorbic acid as well as morphological traits in a worldwide germplasm of 76 accessions of the orphan leafy vegetable Gynandropsis gynandra (Cleomaceae) using greenhouse experiments and high-performance liquid chromatography analysis. The levels of carotenoids and tocopherols accumulating in the leaves varied significantly across accessions and were linked with the geographical origin and morphological variation. Read More

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http://dx.doi.org/10.1007/s00425-019-03142-1DOI Listing
March 2019
2 Reads

Winged bean (Psophocarpus tetragonolobus (L.) DC.) for food and nutritional security: synthesis of past research and future direction.

Planta 2019 Mar 25. Epub 2019 Mar 25.

School of Biosciences, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Selangor Darul Ehsan, Malaysia.

Main Conclusion: Winged bean is popularly known as "One Species Supermarket" for its nutrient-dense green pods, immature seeds, tubers, leaves, and mature seeds. This underutilised crop has potential beneficial traits related to its biological nitrogen-fixation to support low-input farming. Drawing from past knowledge, and based on current technologies, we propose a roadmap for research and development of winged bean for sustainable food systems. Read More

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http://dx.doi.org/10.1007/s00425-019-03141-2DOI Listing

Identification, evolution and alternative splicing profile analysis of the splicing factor 30 (SPF30) in plant species.

Planta 2019 Mar 23. Epub 2019 Mar 23.

Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China.

Main Conclusion: The work offers a comprehensive evaluation on the phylogenetics and conservation of splicing patterns of the plant SPF30 splicing factor gene family. In eukaryotes, one pre-mRNA can generate multiple mRNA transcripts by alternative splicing (AS), which expands transcriptome and proteome diversity. Splicing factor 30 (SPF30), also known as survival motor neuron domain containing protein 1 (SMNDC1), is a spliceosomal protein that plays an essential role in spliceosomal assembly. Read More

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http://dx.doi.org/10.1007/s00425-019-03146-xDOI Listing

Phytochemical composition and larvicidal activity of essential oils from herbal plants.

Planta 2019 Mar 23. Epub 2019 Mar 23.

Department of Entomology and Research Center for Plant Medicine, College of Bioresources and Agriculture, National Taiwan University, Taipei, 10617, Taiwan.

Main Conclusion: The essential oils (EOs) of Plectranthus amboinicus showed the highest larvicidal activity among four herbal plants studied and β-caryophyllene might be the major component responsible for its differential toxicity to the larvae of Culex quinquefasciatus and Aedes Aegypti. Mosquitoes act as vectors for many life-threatening diseases, including malaria, dengue fever, and Zika virus infection. Management of mosquitoes mainly relies on synthetic insecticides, which usually result in the rapid development of resistance; therefore, alternative mosquito control strategies are urgently needed. Read More

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http://dx.doi.org/10.1007/s00425-019-03147-wDOI Listing

Genetic diversity for nitrogen use efficiency in Arabidopsis thaliana.

Planta 2019 Mar 23. Epub 2019 Mar 23.

Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), OT Gatersleben, Corrensstraße 3, 06466, Seeland, Germany.

Main Conclusion: The plasticity of plant growth response to differing nitrate availability renders the identification of biomarkers difficult, but allows access to genetic factors as tools to modulate root systems to a wide range of soil conditions. Nitrogen availability is a major determinant of crop yield. While the application of fertiliser substantially increases the yield on poor soils, it also causes nitrate pollution of water resources and high costs for farmers. Read More

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http://dx.doi.org/10.1007/s00425-019-03140-3DOI Listing
March 2019
7 Reads

Circular RNAs exhibit extensive intraspecific variation in maize.

Planta 2019 Mar 23. Epub 2019 Mar 23.

National Key Laboratory of Crop Genetic Improvement, Crop Information Center, Huazhong Agricultural University, Wuhan, 430070, China.

Main Conclusion: Comprehensive transcriptome profiling uncovers extensive intraspecific variation of circular RNAs in maize, shedding light on genomic and phenotypic variation among maize inbred lines. Circular RNAs (circRNAs) are single-strand, covalently closed transcripts. A substantial number of circRNAs have been identified and shown to be associated with phenotypic variation in various species. Read More

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http://dx.doi.org/10.1007/s00425-019-03145-yDOI Listing

From ethnobotany to mainstream agriculture: socially modified Cinderella species capturing 'trade-ons' for 'land maxing'.

Authors:
Roger R B Leakey

Planta 2019 Mar 23. Epub 2019 Mar 23.

International Tree Foundation, 1 Kings Meadow, Osney Mead, Oxford, OX2 0DP, England, UK.

Main Conclusion: Over the last 25 years, the process of domesticating culturally-important, highly-nutritious, indigenous food-tree species. Integrating these over-looked 'Cinderella' species into conventional farming systems as new crops is playing a critical role in raising the productivity of staple food crops and improving the livelihoods of poor smallholder farmers. This experience has important policy implications for the sustainability of tropical/sub-tropical agriculture, the rural economy and the global environment. Read More

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http://dx.doi.org/10.1007/s00425-019-03128-zDOI Listing
March 2019
2 Reads

Insecticidal fern protein Tma12 is possibly a lytic polysaccharide monooxygenase.

Planta 2019 Mar 22. Epub 2019 Mar 22.

Metabolic and Structural Biology Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India.

Main Conclusion: Amino acid sequence and crystal structure analyses of Tma12, an insecticidal protein isolated from the fern Tectaria macrodonta, identify it as a carbohydrate-binding protein belonging to the AA10 family of lytic polysaccharide monooxygenases, and provide the first evidence of AA10 proteins in plants. Tma12, isolated from the fern Tectaria macrodonta, is a next-generation insecticidal protein. Transgenic cotton expressing Tma12 exhibits resistance against whitefly and viral diseases. Read More

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http://link.springer.com/10.1007/s00425-019-03135-0
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http://dx.doi.org/10.1007/s00425-019-03135-0DOI Listing
March 2019
27 Reads
3.263 Impact Factor

Biochemical and genetic polymorphism of Bromopsis inermis populations under chronic radiation exposure.

Planta 2019 Mar 21. Epub 2019 Mar 21.

Laboratory of Plant Molecular Genetics and Cytogenetics, Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Lavrentjeva ave. 10, 630090, Novosibirsk, Russia.

Main Conclusion: For the subsequent assessment of the genetic mechanisms responsible for the resistance of plants to chronic irradiation, the analysis of RAPD-cDNA with the subsequent isolation, cloning, and sequencing of expressed polymorphic sequences is a promising technique. A study was conducted on Bromopsis inermis populations that have been growing for a long time in the EURT area. Using RAPD primers, we studied the genetic spectra of plants. Read More

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http://dx.doi.org/10.1007/s00425-019-03144-zDOI Listing

Accumulation of glycine betaine in transplastomic potato plants expressing choline oxidase confers improved drought tolerance.

Planta 2019 Mar 21. Epub 2019 Mar 21.

State Key Laboratory of Biocatalysis and Enzyme Engineering, College of Life Sciences, Hubei University, Wuhan, 430062, China.

Main Conclusion: Plastid genome engineering is an effective method to generate drought-resistant potato plants accumulating glycine betaine in plastids. Glycine betaine (GB) plays an important role under abiotic stress, and its accumulation in chloroplasts is more effective on stress tolerance than that in cytosol of transgenic plants. Here, we report that the codA gene from Arthrobacter globiformis, which encoded choline oxidase to catalyze the conversion of choline to GB, was successfully introduced into potato (Solanum tuberosum) plastid genome by plastid genetic engineering. Read More

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http://dx.doi.org/10.1007/s00425-019-03132-3DOI Listing
March 2019
5 Reads

Allopolyploidization facilitates gene flow and speciation among corn, Zea perennis and Tripsacum dactyloides.

Planta 2019 Mar 20. Epub 2019 Mar 20.

Maize Research Institute, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, Sichuan, China.

Main Conclusion: Tripsacum dactyloides is closely related to Zea mays since Zea perennis and the MTP tri- species hybrid have four possible reproductive modes. Eastern gamagrass (Tripsacum dactyloides L.) and tetraploid perennial teosinte (Zea perennis) are well known to possess genes conferring resistance against biotic and abiotic stresses as well as adaptation to flood and aluminum toxic soils. Read More

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http://dx.doi.org/10.1007/s00425-019-03136-zDOI Listing
March 2019
3.263 Impact Factor

Pinoresinol-lariciresinol reductases, key to the lignan synthesis in plants.

Planta 2019 Mar 20. Epub 2019 Mar 20.

LBLGC, INRA USC 1328 Université d'Orléans, Orléans, France.

Main Conclusion: This paper provides an overview on activity, stereospecificity, expression and regulation of pinoresinol-lariciresinol reductases in plants. These enzymes are shared by the pathways to all 8-8' lignans derived from pinoresinol. Pinoresinol-lariciresinol reductases (PLR) are enzymes involved in the lignan biosynthesis after the initial dimerization of two monolignols. Read More

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http://link.springer.com/10.1007/s00425-019-03137-y
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http://dx.doi.org/10.1007/s00425-019-03137-yDOI Listing
March 2019
1 Read

Correction to: Analysis of QTL-allele system conferring drought tolerance at seedling stage in a nested association mapping population of soybean [Glycine max (L.) Merr.] using a novel GWAS procedure.

Planta 2019 May;249(5):1653

Soybean Research Institute, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China.

In the third sentence of "SNP calling and SNPLDB assembly" in "Materials and methods" of the published manuscript, four numbers related to the DNA sequencing data are not correct. The error does not affect any results and conclusions of the article. The four incorrect numbers are 1144. Read More

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http://dx.doi.org/10.1007/s00425-019-03143-0DOI Listing

Metabolome profiling of various seaweed species discriminates between brown, red, and green algae.

Planta 2019 Mar 19. Epub 2019 Mar 19.

Institute for Advanced Biosciences, Keio University, 246-2, Kakuganji-Mizukami, Tsuruoka, Yamagata, 997-0052, Japan.

Main Conclusion: Among seaweed groups, brown algae had characteristically high concentrations of mannitol, and green algae were characterised by fructose. In red algae, metabolite profiles of individual species should be evaluated. Seaweeds are metabolically different from terrestrial plants. Read More

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http://dx.doi.org/10.1007/s00425-019-03134-1DOI Listing
March 2019
1 Read

Cannabimimetic plants: are they new cannabinoidergic modulators?

Planta 2019 Mar 15. Epub 2019 Mar 15.

Division of Pharmacology, Department of Molecular and Translational Medicine, University of Brescia, Viale Europa 11, Brescia, Italy.

Main Conclusion: Phytochemicals and secondary metabolites able to interact with the endocannabinoid system (Cannabimimetics) have been recently described in a broad range of plants and fruits. These findings can open new alternative avenues to explore for the development of novel therapeutic compounds. The cannabinoids regulate many physiological and pathological functions in both animals and plants. Read More

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http://link.springer.com/10.1007/s00425-019-03138-x
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http://dx.doi.org/10.1007/s00425-019-03138-xDOI Listing
March 2019
6 Reads
3.263 Impact Factor

Methylobacterium oryzae CBMB20 influences photosynthetic traits, volatile emission and ethylene metabolism in Oryza sativa genotypes grown in salt stress conditions.

Planta 2019 Mar 15. Epub 2019 Mar 15.

Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51006, Tartu, Estonia.

Main Conclusion: Inoculation of endophytic Methylobacterium oryzae CBMB20 in salt-stressed rice plants improves photosynthesis and reduces stress volatile emissions due to mellowing of ethylene-dependent responses and activating vacuolar H-ATPase. The objective of this study was to analyze the impact of ACC (1-aminocyclopropane-1-carboxylate) deaminase-producing Methylobacterium oryzae CBMB20 in acclimation of plant to salt stress by controlling photosynthetic characteristics and volatile emission in salt-sensitive (IR29) and moderately salt-resistant (FL478) rice (Oryza sativa L.) cultivars. Read More

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http://dx.doi.org/10.1007/s00425-019-03139-wDOI Listing
March 2019
4 Reads

Prospects of orphan crops in climate change.

Planta 2019 Mar 13. Epub 2019 Mar 13.

Centre for Transformative Agricultural and Food Systems, School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, P/Bag X01, Scottsville, Pietermaritzburg, 3209, South Africa.

Main Conclusion: Orphan crops can contribute to building resilience of marginal cropping systems as a climate chnage adaptation strategy. Orphan crops play an important role in global food and nutrition security, and may have potential to contribute to sustainable food systems under climate change. Owing to reports of their potential under water scarcity, there is an argument to promote them to sustainably address challenges such as increasing drought and water scarcity, food and nutrition insecurity, environmental degradation, and employment creation under climate change. Read More

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http://link.springer.com/10.1007/s00425-019-03129-y
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http://dx.doi.org/10.1007/s00425-019-03129-yDOI Listing
March 2019
3 Reads

Genetic diversity of Ziziphus mauritiana germplasm based on SSR markers and ploidy level estimation.

Planta 2019 Mar 12. Epub 2019 Mar 12.

Key Comprehensive Laboratory of Forest for Shaanxi Province, College of Forestry, Northwest A&F University, Yangling, Shannxi, China.

Main Conclusion: A set of reliable SSR markers were developed for Ziziphus mauritiana. The genetic relationship of Z. mauritiana germplasms was generally consistent with their geographical origin, and low diversity in the maternal lineage was revealed. Read More

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http://dx.doi.org/10.1007/s00425-019-03133-2DOI Listing
March 2019
2 Reads

The transcription factor MYB15 is essential for basal immunity (PTI) in Chinese wild grape.

Planta 2019 Mar 12. Epub 2019 Mar 12.

Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi'an, 710069, Shaanxi, China.

Main Conclusion: MYB15 promoter of Vitis quinquangularis has potential as a target for disease resistance breeding, and its involvement in PTI is associated with a range of defense mechanisms. China is a center of origin for Vitis and is home to diverse wild Vitis genotypes, some of which show superior pathogen resistance, although the underlying molecular basis for this has not yet been elucidated. In the current study, we identified a transcription factor, MYB15, from the Chinese wild grape, Vitis quinquangularis, whose promoter region (pVqMYB15) was shown to be induced by basal immunity (also called PAMP-triggered immunity, PTI) triggered by flg22, following heterologous expression in Nicotiana benthamiana and homologous expression in grapevine. Read More

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http://dx.doi.org/10.1007/s00425-019-03130-5DOI Listing

Development of a reliable Corylus sp. reference database through the implementation of a DNA fingerprinting test.

Planta 2019 Mar 11. Epub 2019 Mar 11.

Gosling Research Institute for Plant Preservation (GRIPP), University of Guelph, 50 Stone Rd E, Guelph, ON, N1G 2W1, Canada.

Main Conclusion: This DNA fingerprinting test confirmed 195 unique Corylus sp. accessions that were used to build a reference database for identity verification of unknown hazelnut trees from three locations in Ontario. Hazelnut is one of the most profitable tree nuts worldwide. Read More

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http://dx.doi.org/10.1007/s00425-019-03131-4DOI Listing

Reactive oxygen species trigger the fast action of glufosinate.

Planta 2019 Mar 8. Epub 2019 Mar 8.

Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO, 80526, USA.

Main Conclusion: Glufosinate is primarily toxic to plants due to a massive light-dependent generation of reactive oxygen species rather than ammonia accumulation or carbon assimilation inhibition. Glutamine synthetase (GS) plays a key role in plant nitrogen metabolism and photorespiration. Glufosinate (CHNOP) targets GS and causes catastrophic consequences leading to rapid plant cell death, and the causes for phytoxicity have been attributed to ammonia accumulation and carbon assimilation restriction. Read More

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http://dx.doi.org/10.1007/s00425-019-03124-3DOI Listing
March 2019
1 Read
3.263 Impact Factor

Specific roles of Os4BGlu10, Os6BGlu24, and Os9BGlu33 in seed germination, root elongation, and drought tolerance in rice.

Planta 2019 Mar 8. Epub 2019 Mar 8.

Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China.

Main Conclusion: Morphological, physiological, and gene expression analyses showed that Os4BGlu10, Os6BGlu24, and Os9BGlu33 played specific roles in seed germination, root elongation, and drought tolerance of rice, with various relations with indole-3-acetic acid (IAA) and abscisic acid (ABA) signaling. β-Glucosidases (BGlus) belong to glycoside hydrolase family 1 and have many functions in plants. In this study, we investigated the function of three BGlus in seed germination, drought tolerance, and root elongation using the loss-of-function mutants bglu10, bglu24, and bglu33. Read More

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http://dx.doi.org/10.1007/s00425-019-03125-2DOI Listing
March 2019
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Functional characterization and structural modelling of Helianthus annuus (sunflower) ketoacyl-CoA synthases and their role in seed oil composition.

Planta 2019 Mar 7. Epub 2019 Mar 7.

Instituto de la Grasa (CSIC), Edificio 46, Campus Universitario Pablo de Olavide, Ctra. de Utrera Km 1, 41013, Seville, Spain.

Main Conclusion: The enzymes HaKCS1 and HaKCS2 are expressed in sunflower seeds and contribute to elongation of C18 fatty acids, resulting in the C20-C24 fatty acids in sunflower oil. Most plant fatty acids are produced by plastidial soluble fatty acid synthases that produce fatty acids of up to 18 carbon atoms. However, further acyl chain elongations can take place in the endoplasmic reticulum, catalysed by membrane-bound synthases that act on acyl-CoAs. Read More

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http://dx.doi.org/10.1007/s00425-019-03126-1DOI Listing

Sweet cherry fruit miRNAs and effect of high CO on the profile associated with ripening.

Planta 2019 Mar 6. Epub 2019 Mar 6.

Beijing Academy of Forestry and Pomology Sciences, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China.

Main Conclusion: 157 known and 55 novel miRNAs were found in sweet cherry fruit. MiRNA target genes involved in fruit ripening and the differentially expressed miRNAs under CO treatment were identified. MicroRNAs (miRNAs) are short non-coding RNAs and play important functions in many biological processes, including fruit ripening and senescence. Read More

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http://dx.doi.org/10.1007/s00425-019-03110-9DOI Listing
March 2019
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Identification and characterisation of a glycine-rich RNA-binding protein as an endogenous suppressor of RNA silencing from Nicotiana glutinosa.

Planta 2019 Mar 6. Epub 2019 Mar 6.

State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong, China.

Main Conclusion: This study shows that NgRBP suppresses both local and systemic RNA silencing induced by sense- or double-stranded RNA, and the RNA binding activity is essential for its function. To counteract host defence, many plant viruses encode viral suppressors of RNA silencing targeting various stages of RNA silencing. There is increasing evidence that the plants also encode endogenous suppressors of RNA silencing (ESR) to regulate this pathway. Read More

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http://dx.doi.org/10.1007/s00425-019-03122-5DOI Listing

Physiological function of photoreceptor UVR8 in UV-B tolerance in the liverwort Marchantia polymorpha.

Planta 2019 May 19;249(5):1349-1364. Epub 2019 Jan 19.

Graduate School of Biostudies, Kyoto University, Kyoto, 606-8502, Japan.

Main Conclusion: The physiological importance of MpUVR8 in UV-B resistance and translocation in a UV-B-dependent manner from the cytosol into the nucleus is characterized in Marchantia polymorpha. UV RESISTANCE LOCUS 8 (UVR8) is an ultraviolet-B (UV-B) light receptor functioning for UV-B sensing and tolerance in Arabidopsis thaliana and other species. It is unclear whether UVR8 physiologically functions in UV-B-induced defense responses in Marchantia polymorpha, which belongs to the earliest diverging group of embryophyte lineages. Read More

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http://dx.doi.org/10.1007/s00425-019-03090-wDOI Listing
May 2019
2 Reads

Wounding induces tomato Ve1 R-gene expression.

Planta 2019 Mar 5. Epub 2019 Mar 5.

Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON, N1G 2W1, Canada.

Main Conclusion: In tomato, Ve1 gene expression is induced specifically by physical damage or plant wounding, resulting in a defense/stress cascade that mimics responses during Verticillium colonization and wilt. In tomato, Verticillium resistance is determined by the Ve gene locus, which encodes two leucine-rich repeat-receptor-like proteins (Ve1, Ve2); the Ve1 gene is induced differentially while Ve2 is constitutively expressed throughout disease development. These profiles have been observed even during compatible Verticillium interactions, colonization by some bacterial pathogens, and growth of transgenic tomato plants expressing the fungal Ave1 effector, suggesting broader roles in disease and/or stress. Read More

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http://dx.doi.org/10.1007/s00425-019-03121-6DOI Listing
March 2019
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Apple AP2/EREBP transcription factor MdSHINE2 confers drought resistance by regulating wax biosynthesis.

Planta 2019 May 2;249(5):1627-1643. Epub 2019 Mar 2.

National Key Laboratory of Crop Biology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-an, 271018, Shandong, China.

Main Conclusion: This study showed that AP2/EREBP transcription factor MdSHINE2 functioned in mediating cuticular permeability, sensitivity to abscisic acid (ABA), and drought resistance by regulating wax biosynthesis. Plant cuticular wax plays crucial roles in protecting plants from environmental stresses, particularly drought stress. Many enzymes and transcription factors involved in wax biosynthesis have been identified in plant species. Read More

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http://dx.doi.org/10.1007/s00425-019-03115-4DOI Listing

Structural, physiological and genetic diversification of Silene vulgaris ecotypes from heavy metal-contaminated areas and their synchronous in vitro cultivation.

Planta 2019 Mar 2. Epub 2019 Mar 2.

Department of Botany and Plant Ecology, Wrocław University of Environmental and Life Sciences, Norwida 25, 50-375, Wrocław, Poland.

Main Conclusion: Results provide significant comparison of leaf anatomy, pigment content, antioxidant response and phenolic profile between individuals from miscellaneous populations and describe unified cultivation protocols for further research on stress biology. The plant communities growing on heavy metal-polluted areas have attracted considerable attention due to their unique ability to tolerate enormous amounts of toxic ions. Three ecotypes of Silene vulgaris representing calamine (CAL), serpentine (SER) and non-metallicolous (NM) populations were evaluated to reveal specific adaptation traits to harsh environment. Read More

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http://dx.doi.org/10.1007/s00425-019-03123-4DOI Listing