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    2729 results match your criteria BMC Plant Biology [Journal]

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    Hybridity has a greater effect than paternal genome dosage on heterosis in sugar beet (Beta vulgaris).
    BMC Plant Biol 2018 Jun 15;18(1):120. Epub 2018 Jun 15.
    Genetics and Biotechnology Laboratory, Plant and AgriBioscience Research Centre (PABC), Ryan Institute, National University of Ireland Galway, University Road, Galway, H91 REW4, Ireland.
    Background: The phenomenon of heterosis is critical to plant breeding and agricultural productivity. Heterosis occurs when F1 hybrid offspring display quantitative improvements in traits to levels that do not occur in the parents. Increasing the genome dosage (i. Read More

    Genomic and transcriptomic sequencing of Rosa hybrida provides microsatellite markers for breeding, flower trait improvement and taxonomy studies.
    BMC Plant Biol 2018 Jun 15;18(1):119. Epub 2018 Jun 15.
    Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Yuanmingyuan Xilu 2, Beijing, 100193, China.
    Background: Rosa hybrida is a valuable ornamental, food and medicinal crop worldwide, but with relatively limited molecular marker resources, especially for flower-specific markers. In this study, we performed genomic and floral transcriptomic sequencing of modern rose. We obtained comprehensive nucleotide information, from which numerous potential simple sequence repeat (SSR) markers were identified but were found to have high rates of amplification failure and PCR product redundancy. Read More

    Molecular and biochemical characterization of a novel isoprene synthase from Metrosideros polymorpha.
    BMC Plant Biol 2018 Jun 15;18(1):118. Epub 2018 Jun 15.
    Synthetic Biology and Bioengineering Research Center, KRIBB, Daejeon, 34141, Republic of Korea.
    Background: Isoprene is a five-carbon chemical that is an important starting material for the synthesis of rubber, elastomers, and medicines. Although many plants produce huge amounts of isoprene, it is very difficult to obtain isoprene directly from plants because of its high volatility and increasing environmental regulations. Over the last decade, microorganisms have emerged as a promising alternative host for efficient and sustainable bioisoprene production. Read More

    UGbS-Flex, a novel bioinformatics pipeline for imputation-free SNP discovery in polyploids without a reference genome: finger millet as a case study.
    BMC Plant Biol 2018 Jun 15;18(1):117. Epub 2018 Jun 15.
    Institute of Plant Breeding, Genetics and Genomics (Department of Crop and Soil Sciences), University of Georgia, Athens, GA, 30602, USA.
    Background: Research on orphan crops is often hindered by a lack of genomic resources. With the advent of affordable sequencing technologies, genotyping an entire genome or, for large-genome species, a representative fraction of the genome has become feasible for any crop. Nevertheless, most genotyping-by-sequencing (GBS) methods are geared towards obtaining large numbers of markers at low sequence depth, which excludes their application in heterozygous individuals. Read More

    Molecular mechanism of seed dormancy release induced by fluridone compared with cod stratification in Notopterygium incisum.
    BMC Plant Biol 2018 Jun 11;18(1):116. Epub 2018 Jun 11.
    State Key Laboratory Breeding Base of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, People's Republic of China.
    Background: Notopterygium incisum is an important Chinese medicinal plant. Its mature seeds have underdeveloped embryos and are physiological dormant. We found the seeds with full developed embryos can germinate after treated by fluridone (FL), an inhibitor of abscisic acid (ABA). Read More

    Identification of novel superoxide dismutase isoenzymes in the olive (Olea europaea L.) pollen.
    BMC Plant Biol 2018 Jun 8;18(1):114. Epub 2018 Jun 8.
    Plant Reproductive Biology Research Laboratory, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas (CSIC), Department of Biochemistry, Cell and Molecular Biology of Plants, Profesor Albareda 1, 18008, Granada, Spain.
    Background: Among antioxidant enzymes, the superoxide dismutase (SOD) family is a major actor in catalysing the disproportionation of superoxide. Apart from its role as antioxidant, these enzymes have a role in cell signalling, and Cu,Zn-SOD proteins are also major pollen allergens. In order to deepen our understanding of the SOD isoenzymes present in olive pollen and to analyse the molecular variability of the pollen Cu,Zn-SOD family, we carried out biochemical, transcriptomic and localization studies of pollen grains from different olive cultivars and other allergenic species. Read More

    A PSTOL-like gene, TaPSTOL, controls a number of agronomically important traits in wheat.
    BMC Plant Biol 2018 Jun 8;18(1):115. Epub 2018 Jun 8.
    The John Bingham Laboratory, NIAB, Huntingdon Road, Cambridge, CB3 0LE, UK.
    Background: Phosphorus (P) is an essential macronutrient for plant growth, and is required in large quantities by elite varieties of crops to maintain yields. Approximately 70% of global cultivated land suffers from P deficiency, and it has recently been estimated that worldwide P resources will be exhausted by the end of this century, increasing the demand for crops more efficient in their P usage. A greater understanding of how plants are able to maintain yield with lower P inputs is, therefore, highly desirable to both breeders and farmers. Read More

    Distinct tissue-specific transcriptional regulation revealed by gene regulatory networks in maize.
    BMC Plant Biol 2018 Jun 7;18(1):111. Epub 2018 Jun 7.
    Department of Biological Science, Florida State University, Tallahassee, Florida, 32306, USA.
    Background: Transcription factors (TFs) are proteins that can bind to DNA sequences and regulate gene expression. Many TFs are master regulators in cells that contribute to tissue-specific and cell-type-specific gene expression patterns in eukaryotes. Maize has been a model organism for over one hundred years, but little is known about its tissue-specific gene regulation through TFs. Read More

    Natural variation at qHd1 affects heading date acceleration at high temperatures with pleiotropism for yield traits in rice.
    BMC Plant Biol 2018 Jun 7;18(1):112. Epub 2018 Jun 7.
    State Key Laboratory of Rice Biology and Chinese National Center for Rice Improvement, China National Rice Research Institute, Hangzhou, 310006, China.
    Background: Rice is highly sensitive to temperature fluctuations. Recently, the frequent occurrence of high temperature stress has heavily influenced rice production. Proper heading date in specific environmental conditions could ensure high grain yield. Read More

    Chromosome painting and its applications in cultivated and wild rice.
    BMC Plant Biol 2018 Jun 7;18(1):110. Epub 2018 Jun 7.
    Key Laboratory of Plant Functional Genomics of Ministry of Education/Jiangsu Key Laboratory of Crop Genetics and Physiology/Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou, 225009, China.
    Background: The chromosome-specific probe is a fundamental tool of chromosome painting and has been commonly applied in mammalian species. The technology, however, has not been widely applied in plants due to a lack of methodologies for probe development. Identification and labeling of a large number of oligonucleotides (oligos) specific to a single chromosome offers us an opportunity to establish chromosome-specific probes in plants. Read More

    A newly formed hexaploid wheat exhibits immediate higher tolerance to nitrogen-deficiency than its parental lines.
    BMC Plant Biol 2018 Jun 7;18(1):113. Epub 2018 Jun 7.
    Key laboratory of Molecular Epigenetics of Ministry of Education (MOE), Northeast Normal University, Changchun, 130024, China.
    Background: It is known that hexaploid common wheat (Triticum aestivum L.) has stronger adaptability to many stressful environments than its tetraploid wheat progenitor. However, the physiological basis and evolutionary course to acquire these enhanced adaptabilities by common wheat remain understudied. Read More

    The effect of promoter methylation on MdMYB1 expression determines the level of anthocyanin accumulation in skins of two non-red apple cultivars.
    BMC Plant Biol 2018 Jun 5;18(1):108. Epub 2018 Jun 5.
    State Key Laboratory of Crop Stress Biology for Arid Areas, College of Horticulture, Northwest A & F University, Yangling, 712100, Shaanxi, China.
    Background: Fruit color in apple (Malus domestica Borkh.) is ascribed mainly to the accumulation of anthocyanin pigments, and is an important trait for determining fruit market acceptance. Bagging is a commonly used treatment to enhance the red pigmentation in apple skin. Read More

    Spore associated bacteria regulates maize root K/Na ion homeostasis to promote salinity tolerance during arbuscular mycorrhizal symbiosis.
    BMC Plant Biol 2018 Jun 5;18(1):109. Epub 2018 Jun 5.
    Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Sciences, Chungbuk National University, Cheongju, Chungbuk, 361-763, Republic of Korea.
    Background: The interaction between arbuscular mycorrhizal fungi (AMF) and AMF spore associated bacteria (SAB) were previously found to improve mycorrhizal symbiotic efficiency under saline stress, however, the information about the molecular basis of this interaction remain unknown. Therefore, the present study aimed to investigate the response of maize plants to co-inoculation of AMF and SAB under salinity stress.

    Results: The co-inoculation of AMF and SAB significantly improved plant dry weight, nutrient content of shoot and root tissues under 25 or 50 mM NaCl. Read More

    Shoot iron status and auxin are involved in iron deficiency-induced phytosiderophores release in wheat.
    BMC Plant Biol 2018 Jun 4;18(1):105. Epub 2018 Jun 4.
    Department of Environmental Biology (BACh Group), School of Sciences, University of Navarra, Pamplona, Navarra, Spain.
    Background: The release of phytosiderephores (PS) to the rhizosphere is the main root response to iron (Fe) deficiency in graminaceous plants. We have investigated the role of the Fe status in the shoot as well as of the signaling pathways controlled by three relevant phytoregulators - indolacetic acid (IAA), ethylene and nitric oxide (NO) - in the regulation of this root response in Fe-starved wheat plants. To this end, the PS accumulation in the nutrient solution and the root expression of the genes encoding the nicotianamine aminotransferase (TaNAAT) and ferritin (TaFER) have been evaluated in plants subjected to different treatments. Read More

    Identification of QTL hot spots for malting quality in two elite breeding lines with distinct tolerance to abiotic stress.
    BMC Plant Biol 2018 Jun 4;18(1):106. Epub 2018 Jun 4.
    Leibniz-Institute of Plant Genetics and Crop Plant Research (IPK), Corrensstr. 3, OT Gatersleben, D-06466, Seeland, Germany.
    Background: Barley (Hordeum vulgare) is an important crop cultivated across the world. Drought is a major abiotic factor compromising barley yield worldwide, therefore in modern spring barley cultivars superior seed and malting quality characteristics should be combined with reasonable level of drought tolerance. Previously we have identified a number of barley lines demonstrating the superior yield performance under drought conditions. Read More

    Tomato (Solanum lycopersicum) SlIPT4, encoding an isopentenyltransferase, is involved in leaf senescence and lycopene biosynthesis during fruit ripening.
    BMC Plant Biol 2018 Jun 5;18(1):107. Epub 2018 Jun 5.
    Bioengineering College, Chongqing University, Chongqing, 400044, China.
    Background: Lycopene is an important carotenoid pigment in red fruits and vegetables, especially in tomato. Although lycopene biosynthesis and catabolism have been found to be regulated by multiple factors including phytohormones, little is known about their regulatory mechanism. Cytokinins are crucial to various aspects of plant growth. Read More

    Lignin metabolism involves Botrytis cinerea BcGs1- induced defense response in tomato.
    BMC Plant Biol 2018 Jun 4;18(1):103. Epub 2018 Jun 4.
    The State Key Laboratory for Biology of Plant Disease and Insect Pests/ Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agri-product Quality and Safety, Ministry of Agriculture Institute of Plant protection, Chinese Academy of Agricultural science, No. 12 Zhong-guan-cun South Street, Beijing, 100081, China.
    Background: BcGs1, a cell wall-degrading enzyme (CWDE), was originally derived from Botrytis cinerea. Our previous study revealed that BcGs1 could trigger defense responses and protect plants against various pathogens. We researched the defense response mechanism underlying this BcGs1 elicitation in tomato. Read More

    Re-analysis of long non-coding RNAs and prediction of circRNAs reveal their novel roles in susceptible tomato following TYLCV infection.
    BMC Plant Biol 2018 Jun 4;18(1):104. Epub 2018 Jun 4.
    Provincial Key Laboratory of Agrobiology, Institute of Crop Germplasm and Biotechnology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, Jiangsu, China.
    Background: Long Noncoding-RNAs (LncRNAs) are known to be involved in some biological processes, but their roles in plant-virus interactions remain largely unexplored. While circular RNAs (circRNAs) have been studied in animals, there has yet to be extensive research on them in a plant system, especially in tomato-tomato yellow leaf curl virus (TYLCV) interaction.

    Results: In this study, RNA transcripts from the susceptible tomato line JS-CT-9210 either infected with TYLCV or untreated, were sequenced in a pair-end strand-specific manner using ribo-zero rRNA removal library method. Read More

    Role of auxin (IAA) in the regulation of slow vacuolar (SV) channels and the volume of red beet taproot vacuoles.
    BMC Plant Biol 2018 Jun 4;18(1):102. Epub 2018 Jun 4.
    Department of Plant Physiology, Faculty of Biology and Environmental Protection, University of Silesia, Jagiellońska 28, 40-032, Katowice, Poland.
    Background: Auxin (IAA) is a central player in plant cell growth. In contrast to the well-established function of the plasma membrane in plant cell expansion, little is known about the role of the vacuolar membrane (tonoplast) in this process.

    Results: It was found that under symmetrical 100 mM K and 100 μM cytoplasmic Ca the macroscopic currents showed a typical slow activation and a strong outward rectification of the steady-state currents. Read More

    Transcriptome analysis unravels spatiotemporal modulation of phytohormone-pathway expression underlying gibberellin-induced parthenocarpic fruit set in San Pedro-type fig (Ficus carica L.).
    BMC Plant Biol 2018 Jun 1;18(1):100. Epub 2018 Jun 1.
    College of Horticulture, China Agricultural University, Beijing, People's Republic of China.
    Background: Gibberellin (GA) treatments can induce parthenocarpy in the main crop of San Pedro-type figs, the native non-parthenocarpic fruit, however, the underlying mechanism is still largely unclear.

    Results: In our study, GA was applied to San Pedro-type fig main crop at anthesis. Sharply increased GA content was detected in both female flowers and receptacle, along with significantly decreased indole-3-acetic acid (IAA), zeatin and abscisic acid (ABA) levels in female flowers, and increased zeatin peak intensity and earlier ABA peak in receptacles. Read More

    Parallel online determination of ethylene release rate by Shaken Parsley cell cultures using a modified RAMOS device.
    BMC Plant Biol 2018 Jun 1;18(1):101. Epub 2018 Jun 1.
    AVT - Biochemical Engineering, RWTH Aachen University, Forckenbeckstr. 51, D-52074, Aachen, Germany.
    Background: Ethylene is an important plant hormone that controls many physiological processes in plants. Conventional methods for detecting ethylene include gas chromatographs or optical mid-infrared sensors, which are expensive and, in the case of gas chromatographs, are hardly suitable for automated parallelized online measurement. Electrochemical ethylene sensors are cheap but often suffer from poor resolution, baseline drifting, and target gas oxidation. Read More

    Arabidopsis NUCLEOSTEMIN-LIKE 1 (NSN1) regulates cell cycling potentially by cooperating with nucleosome assembly protein AtNAP1;1.
    BMC Plant Biol 2018 Jun 1;18(1):99. Epub 2018 Jun 1.
    Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
    Background: In mammals, nucleostemin (NS), a nucleolar GTPase, is involved in stem cell proliferation, embryogenesis and ribosome biogenesis. Arabidopsis NUCLEOSTEMIN-LIKE 1 (NSN1) has previously been shown to be essential for plant growth and development. However, the role of NSN1 in cell proliferation is largely unknown. Read More

    Comparative transcriptome analysis of nonchilled, chilled, and late-pink bud reveals flowering pathway genes involved in chilling-mediated flowering in blueberry.
    BMC Plant Biol 2018 May 31;18(1):98. Epub 2018 May 31.
    Plant Biotechnology Resource and Outreach Center, Department of Horticulture, Michigan State University, East Lansing, MI, 48824, USA.
    Background: Blueberry cultivars require a fixed quantity of chilling hours during winter endo-dormancy for vernalization. In this study, transcriptome analysis using RNA sequencing data from nonchilled, chilled, and late pink buds of southern highbush blueberry 'Legacy' was performed to reveal genes associated with chilling accumulation and bud break.

    Results: Fully chilled 'Legacy' plants flowered normally whereas nonchilled plants could not flower. Read More

    Silicon protects soybean plants against Phytophthora sojae by interfering with effector-receptor expression.
    BMC Plant Biol 2018 May 30;18(1):97. Epub 2018 May 30.
    Département de Phytologie, Faculté des Sciences de l'Agriculture et de l'Alimentation, Université Laval, Québec City, Québec, G1V 0A6, Canada.
    Background: Silicon (Si) is known to protect against biotrophic and hemibiotrophic plant pathogens; however, the mechanisms by which it exerts its prophylactic role remain unknown. In an attempt to obtain unique insights into the mode of action of Si, we conducted a full comparative transcriptomic analysis of soybean (Glycine max) plants and Phytophthora sojae, a hemibiotroph that relies heavily on effectors for its virulence.

    Results: Supplying Si to inoculated plants provided a strong protection against P. Read More

    Comparative transcriptome analysis reveals the regulatory networks of cytokinin in promoting the floral feminization in the oil plant Sapium sebiferum.
    BMC Plant Biol 2018 May 30;18(1):96. Epub 2018 May 30.
    Key laboratory of high magnetic field and Ion beam physical biology,Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui, 230031, China.
    Background: Sapium sebiferum, whose seeds contain high level of fatty acids, has been considered as one of the most important oil plants. However, the high male to female flower ratio limited the seed yield improvement and its industrial potentials. Thus, the study of the sex determination in S. Read More

    Parallel evolution of storage roots in morning glories (Convolvulaceae).
    BMC Plant Biol 2018 May 29;18(1):95. Epub 2018 May 29.
    Plant Biology Department, University of Georgia, Athens, GA, 30602, USA.
    Background: Storage roots are an ecologically and agriculturally important plant trait that have evolved numerous times in angiosperms. Storage roots primarily function to store carbohydrates underground as reserves for perennial species. In morning glories, storage roots are well characterized in the crop species sweetpotato, where starch accumulates in storage roots. Read More

    Genomic analyses of unique carbohydrate and phytohormone metabolism in the macroalga Gracilariopsis lemaneiformis (Rhodophyta).
    BMC Plant Biol 2018 May 25;18(1):94. Epub 2018 May 25.
    School of Biomedical Engineering, Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China.
    Background: Red algae are economically valuable for food and in industry. However, their genomic information is limited, and the genomic data of only a few species of red algae have been sequenced and deposited recently. In this study, we annotated a draft genome of the macroalga Gracilariopsis lemaneiformis (Gracilariales, Rhodophyta). Read More

    Wheat CBL-interacting protein kinase 23 positively regulates drought stress and ABA responses.
    BMC Plant Biol 2018 May 25;18(1):93. Epub 2018 May 25.
    Institute of Crop Science, Chinese Academy of Agricultural Sciences (CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, 100081, China.
    Background: The calcineurin B-like protein (CBL)-interacting protein kinase (CIPK) signaling pathway responds to various abiotic stresses in plants.

    Results: Wheat CIPK23, isolated from wheat drought transcriptome data set, was induced by multiple abiotic stresses, including drought, salt, and abscisic acid (ABA). Compared with wild-type plants, TaCIPK23-overexpression wheat and Arabidopsis showed an higher survival rate under drought conditions with enhanced germination rate, developed root system, increased accumulation of osmolytes, and reduced water loss rate. Read More

    Exposure to lower red to far-red light ratios improve tomato tolerance to salt stress.
    BMC Plant Biol 2018 May 24;18(1):92. Epub 2018 May 24.
    Horticulture College, Northwest A&F University, Yangling, Shaanxi, China.
    Background: Red (R) and far-red (FR) light distinctly influence phytochrome-mediated initial tomato growth and development, and more recent evidence indicates that these spectra also modulate responses to a multitude of abiotic and biotic stresses. This research investigated whether different R: FR values affect tomato growth response and salinity tolerance. Tomato seedlings were exposed to different R: FR conditions (7. Read More

    What drives the shift between sexual and clonal reproduction of Caragana stenophylla along a climatic aridity gradient?
    BMC Plant Biol 2018 May 22;18(1):91. Epub 2018 May 22.
    Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin, 300387, China.
    Background: The reasons that clonal plants shift between sexual and clonal reproduction have persisted as a knowledge gap in ecological literature. We hypothesized that clonal plants' shifts between sexual and clonal reproduction in different environments are driven by the relative costs of sexual and clonal reproduction. Moreover, we hypothesized plants prioritize sexual reproduction over clonal reproduction. Read More

    Novel flax orbitide derived from genetic deletion.
    BMC Plant Biol 2018 May 21;18(1):90. Epub 2018 May 21.
    Department of Plant Sciences, College of Agriculture and Bioresources, University of Saskatchewan, Saskatoon, SK, S7N 5A8, Canada.
    Background: Flaxseed orbitides are homodetic plant cyclic peptides arising from ribosomal synthesis and post-translation modification (N to C cyclization), and lacking cysteine double bonds (Nat Prod Rep 30:108-160, 2013). Screening for orbitide composition was conducted on the flax core collection (FCC) grown at both Saskatoon, Saskatchewan and Morden, Manitoba over three growing seasons (2009-2011). Two flax (Linum usitatissimum L. Read More

    Biochemical and molecular characterisation of exogenous cytokinin application on grain filling in rice.
    BMC Plant Biol 2018 May 21;18(1):89. Epub 2018 May 21.
    Institute of Life Sciences, Bhubaneswar, Odisha, India.
    Background: Poor filling of grains in the basal spikelets of large size panicles bearing numerous spikelets has been a major limitation in attempts to increase the rice production to feed the world's increasing population. Considering that biotechnological intervention could play important role in overcoming this limitation, the role of cytokinin in grain filling was investigated based on the information on cell proliferating potential of the hormone and reports of its high accumulation in immature seeds.

    Results: A comparative study considering two rice varieties differing in panicle compactness, lax-panicle Upahar and compact-panicle OR-1918, revealed significant difference in grain filling, cytokinin oxidase (CKX) activity and expression, and expression of cell cycle regulators and cytokinin signaling components between the basal and apical spikelets of OR-1918, but not of Upahar. Read More

    Integrative genomics approaches validate PpYUC11-like as candidate gene for the stony hard trait in peach (P. persica L. Batsch).
    BMC Plant Biol 2018 May 18;18(1):88. Epub 2018 May 18.
    Department of Agricultural and Environmental Sciences (DISAA), University of Milan, Via Celoria 2, Milan, Italy.
    Background: Texture is one of the most important fruit quality attributes. In peach, stony hard (SH) is a recessive monogenic trait (hd/hd) that confers exceptionally prolonged firm flesh to fully ripe fruit. Previous studies have shown that the SH mutation affects the fruit ability to synthesize appropriate amounts of indol-3-acetic acid (IAA), which orchestrates the ripening processes through the activation of system 2 ethylene pathway. Read More

    Papain-like and legumain-like proteases in rice: genome-wide identification, comprehensive gene feature characterization and expression analysis.
    BMC Plant Biol 2018 May 15;18(1):87. Epub 2018 May 15.
    State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan, 430072, China.
    Background: Papain-like and legumain-like proteases are proteolytic enzymes which play key roles in plant development, senescence and defense. The activities of proteases in both families could be inhibited by a group of small proteins called cystatin. Cystatin family genes have been well characterized both in tobacco and rice, suggesting their potential roles in seed development. Read More

    Transcriptomic and metabolomic analyses reveal that bacteria promote plant defense during infection of soybean cyst nematode in soybean.
    BMC Plant Biol 2018 May 11;18(1):86. Epub 2018 May 11.
    Nematology Institute of Northern China, Shenyang Agricultural University, No.120 Dongling Road, Shenyang, 110866, China.
    Background: Soybean cyst nematode (SCN) is the most devastating pathogen of soybean. Our previous study showed that the plant growth-promoting rhizobacterium Bacillus simplex strain Sneb545 promotes soybean resistance to SCN. Here, we conducted a combined metabolomic and transcriptomic analysis to gain information regarding the biological mechanism of defence enhancement against SCN in Sneb545-treated soybean. Read More

    Endophytic fungi from the roots of horseradish (Armoracia rusticana) and their interactions with the defensive metabolites of the glucosinolate - myrosinase - isothiocyanate system.
    BMC Plant Biol 2018 May 9;18(1):85. Epub 2018 May 9.
    Department of Botany, Division of Pharmacognosy, University of Debrecen, Egyetem tér 1, Debrecen, H-4010, Hungary.
    Background: The health of plants is heavily influenced by the intensively researched plant microbiome. The microbiome has to cope with the plant's defensive secondary metabolites to survive and develop, but studies that describe this interaction are rare. In the current study, we describe interactions of endophytic fungi with a widely researched chemical defense system, the glucosinolate - myrosinase - isothiocyanate system. Read More

    Purple Brassica oleracea var. capitata F. rubra is due to the loss of BoMYBL2-1 expression.
    BMC Plant Biol 2018 May 8;18(1):82. Epub 2018 May 8.
    Department of Biological Sciences, College of Biological Science and Biotechnology, Chungnam National University, Daejeon, 34134, Republic of Korea.
    Background: Water-soluble anthocyanin pigments are important ingredients in health-improving supplements and valuable for the food industry. Although great attention has been paid to the breeding and production of crops containing high levels of anthocyanin, genetic variation in red or purple cabbages (Brassica oleracea var. capitata F. Read More

    Potential molecular mechanisms of overgrazing-induced dwarfism in sheepgrass (Leymus chinensis) analyzed using proteomic data.
    BMC Plant Biol 2018 May 8;18(1):81. Epub 2018 May 8.
    Institute of Grassland Research, Chinese Academy of Agriculture Sciences, No.120 East Wulanchabu Road, Hohhot, 010010, Inner Mongolia, China.
    Background: This study was designed to reveal potential molecular mechanisms of long-term overgrazing-induced dwarfism in sheepgrass (Leymus chinensis).

    Methods: An electrospray ionisation mass spectrometry system was used to generate proteomic data of dwarf sheepgrass from a long-term overgrazed rangeland and normal sheepgrass from a long-term enclosed rangeland. Differentially expressed proteins (DEPs) between dwarf and normal sheepgrass were identified, after which their potential functions and interactions with each other were predicted. Read More

    Basic leucine zipper transcription factor SlbZIP1 mediates salt and drought stress tolerance in tomato.
    BMC Plant Biol 2018 May 8;18(1):83. Epub 2018 May 8.
    School of Life Sciences, Jiangsu Normal University, 101 Shanghai Road, Xuzhou, Jiangsu Province, 221116, People's Republic of China.
    Background: Basic region/leucine zipper (bZIP) transcription factors perform as crucial regulators in ABA-mediated stress response in plants. Nevertheless, the functions for most bZIP family members in tomato remain to be deciphered.

    Results: Here we examined the functional characterization of SlbZIP1 under salt and drought stresses in tomato. Read More

    Identification of genes regulating ovary differentiation after pollination in hazel by comparative transcriptome analysis.
    BMC Plant Biol 2018 May 9;18(1):84. Epub 2018 May 9.
    Jilin Provincial Key Laboratory of Plant Resource Science and Green Production, Jilin Normal University, Siping, 136000, Jilin Province, China.
    Background: Hazel (Corylus spp.) exhibits ovary differentiation and development that is initiated from the ovary primordium after pollination, conferring the plant with a unique delayed fertilization. Failure of development of the ovary and ovule after pollination can lead to ovary abortion and blank fruit formation, respectively, with consequent yield loss. Read More

    Overexpression of the protein disulfide isomerase AtCYO1 in chloroplasts slows dark-induced senescence in Arabidopsis.
    BMC Plant Biol 2018 May 4;18(1):80. Epub 2018 May 4.
    Department of Mathematical and Life Sciences, Graduate School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan.
    Background: Chlorophyll breakdown is the most obvious sign of leaf senescence. The chlorophyll catabolism pathway and the associated proteins/genes have been identified in considerable detail by genetic approaches combined with stay-green phenotyping. Arabidopsis CYO1 (AtCYO1), a protein disulfide reductase/isomerase localized in the thylakoid membrane, is hypothesized to assemble the photosystem by interacting with cysteine residues of the subunits. Read More

    Genome-wide profiling of long non-coding RNAs from tomato and a comparison with mRNAs associated with the regulation of fruit ripening.
    BMC Plant Biol 2018 May 4;18(1):75. Epub 2018 May 4.
    Joint Tomato Research Institute, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, 200240, China.
    Background: Long non-coding RNAs (lncRNAs) are involved in multiple biological processes in both mammals and plants. There is growing evidence that they are associated with development; but their expression and regulation during fruit ripening in the model plant tomato (Solanum lycopersicum) has yet to be described.

    Results: Following integration of 134 RNA-seq data sets, we identified 79,322 putative lncRNAs, consisting of 70,635 lincRNAs, 8085 antisense non-coding RNAs (ancRNAs) and 602 sense lncRNAs (slncRNAs). Read More

    Functional analysis of a pathogenesis-related thaumatin-like protein gene TaLr35PR5 from wheat induced by leaf rust fungus.
    BMC Plant Biol 2018 May 4;18(1):76. Epub 2018 May 4.
    Center of Plant Disease and Plant Pests of Hebei Province, College of Plant Protection, Hebei Agricultural University, Baoding, 071001, China.
    Background: Plants have evolved multifaceted defence mechanisms to resist pathogen infection. Production of the pathogenesis-related (PR) proteins in response to pathogen attack has been implicated in plant disease resistance specialized in systemic-acquired resistance (SAR). Our earlier studies have reported that a full length TaLr35PR5 gene, encoding a protein exhibiting amino acid and structural similarity to a sweet protein thaumatin, was isolated from wheat near-isogenic line TcLr35. Read More

    Proteomics integrated with metabolomics: analysis of the internal causes of nutrient changes in alfalfa at different growth stages.
    BMC Plant Biol 2018 May 4;18(1):78. Epub 2018 May 4.
    College of Grassland Resources and Environment, Key Laboratory of Forage Cultivation, Processing and High-Efficiency Utilization of the Ministry of Agriculture and Key Laboratory of Grassland Resources of the Ministry of Education, Inner Mongolia Agricultural University, Hohhot, 010011, China.
    Background: Alfalfa (Medicago sativa L.) is one of the most important forage resources in the world due to its high nutritive value. However, its nutritional quality decreases during the transition from budding to flowering. Read More

    Long non-coding RNAs of switchgrass (Panicum virgatum L.) in multiple dehydration stresses.
    BMC Plant Biol 2018 May 4;18(1):79. Epub 2018 May 4.
    College of Agronomy, Northwest A & F University, Yangling, 712100, Shaanxi, China.
    Background: Long non-coding RNAs (lncRNAs) play important roles in plant growth and stress responses. Studies of lncRNAs in non-model plants are quite limited, especially those investigating multiple dehydration stresses. In this study, we identified novel lncRNAs and analyzed their functions in dehydration stress memory in switchgrass, an excellent biofuel feedstock and soil-conserving plant in the Gramineae family. Read More

    Changes in nitrogen availability lead to a reprogramming of pyruvate metabolism.
    BMC Plant Biol 2018 May 4;18(1):77. Epub 2018 May 4.
    Institute of Biology/Plant Physiology department, Martin-Luther-University Halle-Wittenberg, Halle, (Saale), Germany.
    Background: Low availability of nitrogen (N) severely affects plant growth at different levels, which can be reverted by the resupply of N. To unravel the critical steps in primary metabolism underlying the growth adjustment in response to changes in N availability, transcriptomic and comprehensive metabolite analyses were performed in barley using primary leaves at early and later stages of N deprivation, and after N resupply to N-deficient plants.

    Result: N deficiency in leaves caused differential regulation of 1947 genes, mostly belonging to the functional classes photosynthesis, cell wall degradation, lipid degradation, amino acid degradation, transcription factors, phytohormone metabolism and receptor-like kinases. Read More

    Role of abscisic acid in strigolactone-induced salt stress tolerance in arbuscular mycorrhizal Sesbania cannabina seedlings.
    BMC Plant Biol 2018 May 3;18(1):74. Epub 2018 May 3.
    Key Laboratory of Biology and Utilization of Biological Resources of Coastal Zone, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China.
    Background: Strigolactones (SLs) are considered to be a novel class of phytohormone involved in plant defense responses. Currently, their relationships with other plant hormones, such as abscisic acid (ABA), during responses to salinity stress are largely unknown.

    Results: In this study, the relationship between SL and ABA during the induction of HO - mediated tolerance to salt stress were studied in arbuscular mycorrhizal (AM) Sesbania cannabina seedlings. Read More

    Correction to: Contrasting transcriptional responses of PYR1/PYL/RCAR ABA receptors to ABA or dehydration stress between maize seedling leaves and roots.
    BMC Plant Biol 2018 Apr 30;18(1):73. Epub 2018 Apr 30.
    College of Life Sciences, Northwest A&F University, Yangling, 712100, Shaanxi, China.
    Following publication of the original article [1], a reader spotted that the article appears to have some misplaced/duplicated figures. In particular, Fig. 5a and Fig. Read More

    The parthenocarpic gene Pat-k is generated by a natural mutation of SlAGL6 affecting fruit development in tomato (Solanum lycopersicum L.).
    BMC Plant Biol 2018 Apr 27;18(1):72. Epub 2018 Apr 27.
    Graduate School of Agriculture, Kyoto University, Kizugawa, 619-0218, Japan.
    Background: Parthenocarpy is a desired trait in tomato because it can overcome problems with fruit setting under unfavorable environmental conditions. A parthenocarpic tomato cultivar, 'MPK-1', with a parthenocarpic gene, Pat-k, exhibits stable parthenocarpy that produces few seeds. Because 'MPK-1' produces few seeds, seedlings are propagated inefficiently via cuttings. Read More

    Population structure, genetic diversity and downy mildew resistance among Ocimum species germplasm.
    BMC Plant Biol 2018 Apr 23;18(1):69. Epub 2018 Apr 23.
    Department of Plant Biology, Rutgers, the State University of New Jersey, Foran Hall, 59 Dudley Rd, New Brunswick, NJ, 08901, USA.
    Background: The basil (Ocimum spp.) genus maintains a rich diversity of phenotypes and aromatic volatiles through natural and artificial outcrossing. Characterization of population structure and genetic diversity among a representative sample of this genus is severely lacking. Read More

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