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BMC Plant Biology

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https://www.readbyqxmd.com/read/28931380/leaves-play-a-central-role-in-the-adaptation-of-nitrogen-and-sulfur-metabolism-to-ammonium-nutrition-in-oilseed-rape-brassica-napus
#1
Inmaculada Coleto, Marlon de la Peña, Jon Rodríguez-Escalante, Iraide Bejarano, Gaëtan Glauser, Pedro M Aparicio-Tejo, M Begoña González-Moro, Daniel Marino
BACKGROUND: The coordination between nitrogen (N) and sulfur (S) assimilation is required to suitably provide plants with organic compounds essential for their development and growth. The N source induces the adaptation of many metabolic processes in plants; however, there is scarce information about the influence that it may exert on the functioning of S metabolism. The aim of this work was to provide an overview of N and S metabolism in oilseed rape (Brassica napus) when exposed to different N sources...
September 20, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28931378/diversity-distribution-of-puroindoline-genes-and-their-effect-on-kernel-hardness-in-a-diverse-panel-of-chinese-wheat-germplasm
#2
Xiaoling Ma, Muhammad Sajjad, Jing Wang, Wenlong Yang, Jiazhu Sun, Xin Li, Aimin Zhang, Dongcheng Liu
BACKGROUND: Kernel hardness, which has great influence on the end-use properties of common wheat, is mainly controlled by Puroindoline genes, Pina and Pinb. Using EcoTILLING platform, we herein investigated the allelic variations of Pina and Pinb genes and their association with the Single Kernel Characterization System (SKCS) hardness index in a diverse panel of wheat germplasm. RESULTS: The kernel hardness varied from 1.4 to 102.7, displaying a wide range of hardness index...
September 20, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28927374/b-box-genes-genome-wide-identification-evolution-and-their-contribution-to-pollen-growth-in-pear-pyrus-bretschneideri-rehd
#3
Yunpeng Cao, Yahui Han, Dandan Meng, Dahui Li, Chunyan Jiao, Qing Jin, Yi Lin, Yongping Cai
BACKGROUND: The B-BOX (BBX) proteins have important functions in regulating plant growth and development. In plants, the BBX gene family has been identified in several plants, such as rice, Arabidopsis and tomato. However, there still lack a genome-wide survey of BBX genes in pear. RESULTS: In the present study, a total of 25 BBX genes were identified in pear (Pyrus bretschneideri Rehd.). Subsequently, phylogenetic relationship, gene structure, gene duplication, transcriptome data and qRT-PCR were conducted on these BBX gene members...
September 19, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28923015/transcriptome-analysis-of-pseudostellaria-heterophylla-in-response-to-the-infection-of-pathogenic-fusarium-oxysporum
#4
Xianjin Qin, Hongmiao Wu, Jun Chen, Linkun Wu, Sheng Lin, Muhammad Umar Khan, Mohammad Reza Boorboori, Wenxiong Lin
BACKGROUND: Pseudostellaria heterophylla (P. heterophylla), a herbaceous perennial, belongs to Caryophyllaceae family and is one of the Chinese herbal medicine with high pharmacodynamic value. It can be used to treat the spleen deficiency, anorexia, weakness after illness and spontaneous perspiration symptoms. Our previous study found that consecutive monoculture of Pseudostellaria heterophylla could lead to the deterioration of the rhizosphere microenvironment. The specialized forms of pathogenic fungus Fusarium oxysporum f...
September 18, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28915785/seed-maturation-associated-transcriptional-programs-and-regulatory-networks-underlying-genotypic-difference-in-seed-dormancy-and-size-weight-in-wheat-triticum-aestivum-l
#5
Yuji Yamasaki, Feng Gao, Mark C Jordan, Belay T Ayele
BACKGROUND: Maturation forms one of the critical seed developmental phases and it is characterized mainly by programmed cell death, dormancy and desiccation, however, the transcriptional programs and regulatory networks underlying acquisition of dormancy and deposition of storage reserves during the maturation phase of seed development are poorly understood in wheat. The present study performed comparative spatiotemporal transcriptomic analysis of seed maturation in two wheat genotypes with contrasting seed weight/size and dormancy phenotype...
September 16, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28899358/visualization-of-chromosome-condensation-in-plants-with-large-chromosomes
#6
Maria A Kuznetsova, Inna A Chaban, Eugene V Sheval
BACKGROUND: Most data concerning chromosome organization have been acquired from studies of a small number of model organisms, the majority of which are mammals. In plants with large genomes, the chromosomes are significantly larger than the animal chromosomes that have been studied to date, and it is possible that chromosome condensation in such plants was modified during evolution. Here, we analyzed chromosome condensation and decondensation processes in order to find structural mechanisms that allowed for an increase in chromosome size...
September 12, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28893196/genome-wide-analysis-of-wrky-gene-family-in-the-sesame-genome-and-identification-of-the-wrky-genes-involved-in-responses-to-abiotic-stresses
#7
Donghua Li, Pan Liu, Jingyin Yu, Linhai Wang, Komivi Dossa, Yanxin Zhang, Rong Zhou, Xin Wei, Xiurong Zhang
BACKGROUND: Sesame (Sesamum indicum L.) is one of the world's most important oil crops. However, it is susceptible to abiotic stresses in general, and to waterlogging and drought stresses in particular. The molecular mechanisms of abiotic stress tolerance in sesame have not yet been elucidated. The WRKY domain transcription factors play significant roles in plant growth, development, and responses to stresses. However, little is known about the number, location, structure, molecular phylogenetics, and expression of the WRKY genes in sesame...
September 11, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28893189/differentially-expressed-genes-during-the-imbibition-of-dormant-and-after-ripened-seeds-a-reverse-genetics-approach
#8
Farzaneh Yazdanpanah, Johannes Hanson, Henk W M Hilhorst, Leónie Bentsink
BACKGROUND: Seed dormancy, defined as the incapability of a viable seed to germinate under favourable conditions, is an important trait in nature and agriculture. Despite extensive research on dormancy and germination, many questions about the molecular mechanisms controlling these traits remain unanswered, likely due to its genetic complexity and the large environmental effects which are characteristic of these quantitative traits. To boost research towards revealing mechanisms in the control of seed dormancy and germination we depend on the identification of genes controlling those traits...
September 11, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28877679/micrornas-participate-in-gene-expression-regulation-and-phytohormone-cross-talk-in-barley-embryo-during-seed-development-and-germination
#9
Bin Bai, Bo Shi, Ning Hou, Yanli Cao, Yijun Meng, Hongwu Bian, Muyuan Zhu, Ning Han
BACKGROUND: Small RNA and degradome sequencing have identified a large number of miRNA-target pairs in plant seeds. However, detailed spatial and temporal studies of miRNA-mediated regulation, which can reflect links between seed development and germination are still lacking. RESULTS: In this study, we extended our investigation on miRNAs-involved gene regulation by a combined analysis of seed maturation and germination in barley. Through bioinformatics analysis of small RNA sequencing data, a total of 1324 known miRNA families and 448 novel miRNA candidates were identified...
September 6, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28874121/characterization-of-the-role-of-sodium-nitroprusside-snp-involved-in-long-vase-life-of-different-carnation-cultivars
#10
Aung Htay Naing, Kyoungsun Lee, Muthukrishnan Arun, Ki Byung Lim, Chang Kil Kim
BACKGROUND: Sodium nitroprusside (SNP) has been previously shown to extend the vase life of various cut flowers; however, its positive effect on extending vase life of carnations has not been well documented. Moreover, the role of SNP in the mechanisms underlying determination of vase life of cut carnations has also not been well addressed. RESULTS: SNP increased vase life of Tico Viola carnations along with their relative fresh weight (RFW). Among the treatments, the flowers treated with 10 mg L(-1) SNP had the longest vase life and maximum relative fresh weight (RFW)...
September 6, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28870172/the-lysin-motif-containing-proteins-lyp1-lyk7-and-lysme3-play-important-roles-in-chitin-perception-and-defense-against-verticillium-dahliae-in-cotton
#11
Jun Xu, Guilin Wang, Jing Wang, Yongqing Li, Liangliang Tian, Xinyu Wang, Wangzhen Guo
BACKGROUND: Lysin motif (LysM)-containing proteins are important pattern recognition receptors (PRRs) in plants, which function in the perception of microbe-associated molecular patterns (MAMPs) and in the defense against pathogenic attack. To date, the LysM genes have not been systematically analyzed in cotton or effectively utilized for disease resistance. RESULTS: Here, we identified 29, 30, 60, and 56 LysM genes in the four sequenced cotton species, diploid Gossypium raimondii, diploid G...
September 4, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28859633/identification-of-a-methyltransferase-catalyzing-the-final-step-of-methyl-anthranilate-synthesis-in-cultivated-strawberry
#12
Jeremy Pillet, Alan H Chambers, Christopher Barbey, Zhilong Bao, Anne Plotto, Jinhe Bai, Michael Schwieterman, Timothy Johnson, Benjamin Harrison, Vance M Whitaker, Thomas A Colquhoun, Kevin M Folta
BACKGROUND: Methyl anthranilate (MA) contributes an attractive fruity note to the complex flavor and aroma of strawberry (Fragaria spp.), yet it is rare in modern cultivars. The genetic basis for its biosynthesis has not been elucidated. Understanding the specific genes required for its synthesis could allow  the development of gene/allele-specific molecular markers to speed breeding of flavorful strawberries. RESULTS: Ripe fruits from individuals in an F1 population resulting from a cross between a MA producer and a non-producer were examined using a bulk-segregant transcriptome approach...
August 31, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28854897/expression-patterns-of-flowering-genes-in-leaves-of-pineapple-sweet-orange-citrus-sinensis-l-osbeck-and-pummelo-citrus-grandis-osbeck
#13
Melanie Pajon, Vicente J Febres, Gloria A Moore
BACKGROUND: In citrus the transition from juvenility to mature phase is marked by the capability of a tree to flower and fruit consistently. The long period of juvenility in citrus severely impedes the use of genetic based strategies to improve fruit quality, disease resistance, and responses to abiotic environmental factors. One of the genes whose expression signals flower development in many plant species is FLOWERING LOCUS T (FT). RESULTS: In this study, gene expression levels of flowering genes CiFT1, CiFT2 and CiFT3 were determined using reverse-transcription quantitative real-time PCR in citrus trees over a 1 year period in Florida...
August 30, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28851274/the-core-regulatory-network-of-the-abscisic-acid-pathway-in-banana-genome-wide-identification-and-expression-analyses-during-development-ripening-and-abiotic-stress
#14
Wei Hu, Yan Yan, Haitao Shi, Juhua Liu, Hongxia Miao, Weiwei Tie, Zehong Ding, XuPo Ding, Chunlai Wu, Yang Liu, Jiashui Wang, Biyu Xu, Zhiqiang Jin
BACKGROUND: Abscisic acid (ABA) signaling plays a crucial role in developmental and environmental adaptation processes of plants. However, the PYL-PP2C-SnRK2 families that function as the core components of ABA signaling are not well understood in banana. RESULTS: In the present study, 24 PYL, 87 PP2C, and 11 SnRK2 genes were identified from banana, which was further supported by evolutionary relationships, conserved motif and gene structure analyses. The comprehensive transcriptomic analyses showed that banana PYL-PP2C-SnRK2 genes are involved in tissue development, fruit development and ripening, and response to abiotic stress in two cultivated varieties...
August 29, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28835225/specificity-versus-redundancy-in-the-rap2-4-transcription-factor-family-of-arabidopsis-thaliana-transcriptional-regulation-of-genes-for-chloroplast-peroxidases
#15
Radoslaw Rudnik, Jote Tafese Bulcha, Elena Reifschneider, Ulrike Ellersiek, Margarete Baier
BACKGROUND: The Arabidopsis ERFIb / RAP2.4 transcription factor family consists of eight members with highly conserved DNA binding domains. Selected members have been characterized individually, but a systematic comparison is pending. The redox-sensitive transcription factor RAP2.4a mediates chloroplast-to-nucleus redox signaling and controls induction of the three most prominent chloroplast peroxidases, namely 2-Cys peroxiredoxin A (2CPA) and thylakoid- and stromal ascorbate peroxidase (tAPx and sAPx)...
August 23, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28830364/gamyb85-an-r2r3-myb-gene-in-transgenic-arabidopsis-plays-an-important-role-in-drought-tolerance
#16
Hamama Islam Butt, Zhaoen Yang, Qian Gong, Eryong Chen, Xioaqian Wang, Ge Zhao, Xiaoyang Ge, Xueyan Zhang, Fuguang Li
BACKGROUND: MYB transcription factors (TFs) are one of the largest families of TFs in higher plants and are involved in diverse biological, functional, and structural processes. Previously, very few functional validation studies on R2R3 MYB have been conducted in cotton in response to abiotic stresses. In the current study, GaMYB85, a cotton R2R3 MYB TF, was ectopically expressed in Arabidopsis thaliana (Col-0) and was functionally characterized by overexpression in transgenic plants...
August 22, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28830346/comparative-transcriptome-analysis-reveals-differentially-expressed-genes-associated-with-sex-expression-in-garden-asparagus-asparagus-officinalis
#17
Shu-Fen Li, Guo-Jun Zhang, Xue-Jin Zhang, Jin-Hong Yuan, Chuan-Liang Deng, Wu-Jun Gao
BACKGROUND: Garden asparagus (Asparagus officinalis) is a highly valuable vegetable crop of commercial and nutritional interest. It is also commonly used to investigate the mechanisms of sex determination and differentiation in plants. However, the sex expression mechanisms in asparagus remain poorly understood. RESULTS: De novo transcriptome sequencing via Illumina paired-end sequencing revealed more than 26 billion bases of high-quality sequence data from male and female asparagus flower buds...
August 22, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28814283/comparative-studies-on-tolerance-of-rice-genotypes-differing-in-their-tolerance-to-moderate-salt-stress
#18
Qian Li, An Yang, Wen-Hao Zhang
BACKGROUND: Moderate salt stress, which often occurs in most saline agriculture land, suppresses crop growth and reduces crop yield. Rice, as an important food crop, is sensitive to salt stress and rice genotypes differ in their tolerance to salt stress. Despite extensive studies on salt tolerance of rice, a few studies have specifically investigated the mechanism by which rice plants respond and tolerate to moderate salt stress. Two rice genotypes differing in their tolerance to saline-alkaline stress, Dongdao-4 and Jigeng-88, were used to explore physiological and molecular mechanisms underlying tolerance to moderate salt stress...
August 17, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28806927/mapping-of-a-major-qtl-for-salt-tolerance-of-mature-field-grown-maize-plants-based-on-snp-markers
#19
Meijie Luo, Yanxin Zhao, Ruyang Zhang, Jinfeng Xing, Minxiao Duan, Jingna Li, Naishun Wang, Wenguang Wang, Shasha Zhang, Zhihui Chen, Huasheng Zhang, Zi Shi, Wei Song, Jiuran Zhao
BACKGROUND: Salt stress significantly restricts plant growth and production. Maize is an important food and economic crop but is also a salt sensitive crop. Identification of the genetic architecture controlling salt tolerance facilitates breeders to select salt tolerant lines. However, the critical quantitative trait loci (QTLs) responsible for the salt tolerance of field-grown maize plants are still unknown. RESULTS: To map the main genetic factors contributing to salt tolerance in mature maize, a double haploid population (240 individuals) and 1317 single nucleotide polymorphism (SNP) markers were employed to produce a genetic linkage map covering 1462...
August 15, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28806972/overexpression-of-arabidopsis-p3b-increases-heat-and-low-temperature-stress-tolerance-in-transgenic-sweetpotato
#20
Chang Yoon Ji, Rong Jin, Zhen Xu, Ho Soo Kim, Chan-Ju Lee, Le Kang, So-Eun Kim, Hyeong-Un Lee, Joon Seol Lee, Chang Ho Kang, Yong Hun Chi, Sang Yeol Lee, Yiping Xie, Hongmin Li, Daifu Ma, Sang-Soo Kwak
BACKGROUND: Sweetpotato (Ipomoea batatas [L.] Lam) is suitable for growth on marginal lands due to its abiotic stress tolerance. However, severe environmental conditions including low temperature pose a serious threat to the productivity and expanded cultivation of this crop. In this study, we aimed to develop sweetpotato plants with enhanced tolerance to temperature stress. RESULTS: P3 proteins are plant-specific ribosomal P-proteins that act as both protein and RNA chaperones to increase heat and cold stress tolerance in Arabidopsis...
August 14, 2017: BMC Plant Biology
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