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BMC Plant Biology

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https://www.readbyqxmd.com/read/28645264/molecular-cloning-structure-phylogeny-and-expression-analysis-of-the-invertase-gene-family-in-sugarcane
#1
Liming Wang, Yuexia Zheng, Shihui Ding, Qing Zhang, Youqiang Chen, Jisen Zhang
BACKGROUND: Invertases (INVs) are key enzymes regulating sucrose metabolism and are here revealed to be involved in responses to environmental stress in plants. To date, individual members of the invertase gene family and their expression patterns are unknown in sugarcane due to its complex genome despite their significance in sucrose metabolism. RESULTS: In this study, based on comparative genomics, eleven cDNA and twelve DNA sequences belonging to 14 non-redundant members of the invertase gene family were successfully cloned from sugarcane...
June 23, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28633642/prediction-and-analysis-of-three-gene-families-related-to-leaf-rust-puccinia-triticina-resistance-in-wheat-triticum-aestivum-l
#2
Fred Y Peng, Rong-Cai Yang
BACKGROUND: The resistance to leaf rust (Lr) caused by Puccinia triticina in wheat (Triticum aestivum L.) has been well studied over the past decades with over 70 Lr genes being mapped on different chromosomes and numerous QTLs (quantitative trait loci) being detected or mapped using DNA markers. Such resistance is often divided into race-specific and race-nonspecific resistance. The race-nonspecific resistance can be further divided into resistance to most or all races of the same pathogen and resistance to multiple pathogens...
June 20, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28629324/residual-transpiration-as-a-component-of-salinity-stress-tolerance-mechanism-a-case-study-for-barley
#3
Md Hasanuzzaman, Noel W Davies, Lana Shabala, Meixue Zhou, Tim J Brodribb, Sergey Shabala
BACKGROUND: While most water loss from leaf surfaces occurs via stomata, part of this loss also occurs through the leaf cuticle, even when the stomata are fully closed. This component, termed residual transpiration, dominates during the night and also becomes critical under stress conditions such as drought or salinity. Reducing residual transpiration might therefore be a potentially useful mechanism for improving plant performance when water availability is reduced (e.g. under saline or drought stress conditions)...
June 19, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28629320/transcriptomic-changes-reveal-gene-networks-responding-to-the-overexpression-of-a-blueberry-dwarf-and-delayed-flowering-1-gene-in-transgenic-blueberry-plants
#4
Guo-Qing Song, Xuan Gao
BACKGROUND: Constitutive expression of the CBF/DREB1 for increasing freezing tolerance in woody plants is often associated with other phenotypic changes including dwarf plant and delayed flowering. These phenotypic changes have been observed when Arabidopsis DWARF AND DELAYED FLOWERING 1 (DDF1) was overexpressed in A. thaliana plants. To date, the DDF1 orthologues have not been studied in woody plants. The aim of this study is to investigate transcriptomic responses to the overexpression of blueberry (Vaccinium corymbosum) DDF1 (herein, VcDDF1-OX)...
June 19, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28619057/polysaccharide-compositions-of-collenchyma-cell-walls-from-celery-apium-graveolens-l-petioles
#5
Da Chen, Philip J Harris, Ian M Sims, Zoran Zujovic, Laurence D Melton
BACKGROUND: Collenchyma serves as a mechanical support tissue for many herbaceous plants. Previous work based on solid-state NMR and immunomicroscopy suggested collenchyma cell walls (CWs) may have similar polysaccharide compositions to those commonly found in eudicotyledon parenchyma walls, but no detailed chemical analysis was available. In this study, compositions and structures of cell wall polysaccharides of peripheral collenchyma from celery petioles were investigated. RESULTS: This is the first detailed investigation of the cell wall composition of collenchyma from any plant...
June 15, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28619030/integrative-analysis-of-dna-methylation-mrnas-and-small-rnas-during-maize-embryo-dedifferentiation
#6
Hongjun Liu, Langlang Ma, Xuerong Yang, Lin Zhang, Xing Zeng, Shupeng Xie, Huanwei Peng, Shibin Gao, Haijian Lin, Guangtang Pan, Yongrui Wu, Yaou Shen
BACKGROUND: Maize (Zea mays) is an important model crop for transgenic studies. However, genetic transformation of maize requires embryonic calli derived from immature embryo, and the impact of utilizing tissue culture methods on the maize epigenome is poorly understood. Here, we generated whole-genome MeDIP-seq data examining DNA methylation in dedifferentiated and normal immature maize embryos. RESULTS: We observed that most of the dedifferentiated embryos exhibited a methylation increase compared to normal embryos...
June 15, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28615062/metabolic-and-transcriptional-elucidation-of-the-carotenoid-biosynthesis-pathway-in-peel-and-flesh-tissue-of-loquat-fruit-during-on-tree-development
#7
Margarita Hadjipieri, Egli C Georgiadou, Alicia Marin, Huertas M Diaz-Mula, Vlasios Goulas, Vasileios Fotopoulos, Francisco A Tomás-Barberán, George A Manganaris
BACKGROUND: Carotenoids are the main colouring substances found in orange-fleshed loquat fruits. The aim of this study was to unravel the carotenoid biosynthetic pathway of loquat fruit (cv. 'Obusa') in peel and flesh tissue during distinct on-tree developmental stages through a targeted analytical and molecular approach. RESULTS: Substantial changes regarding colour parameters, both between peel and flesh and among the different developmental stages, were monitored, concomitant with a significant increment in carotenoid content...
June 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28615006/brief-temperature-stress-during-reproductive-stages-alters-meiotic-recombination-and-somatic-mutation-rates-in-the-progeny-of-arabidopsis
#8
Ramswaroop Saini, Amit Kumar Singh, Shanmuhapreya Dhanapal, Thoufeequl Hakeem Saeed, Geoffrey J Hyde, Ramamurthy Baskar
BACKGROUND: Plants exposed to environmental stresses draw upon many genetic and epigenetic strategies, with the former sometimes modulated by the latter. This can help the plant, and its immediate progeny, at least, to better endure the stress. Some evidence has led to proposals that (epi) genetic changes can be both selective and sustainably heritable, while other evidence suggests that changes are effectively stochastic, and important only because they induce genetic variation. One type of stress with an arguably high level of stochasticity in its effects is temperature stress...
June 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28595571/cottonfgd-an-integrated-functional-genomics-database-for-cotton
#9
Tao Zhu, Chengzhen Liang, Zhigang Meng, Guoqing Sun, Zhaoghong Meng, Sandui Guo, Rui Zhang
BACKGROUND: Cotton (Gossypium spp.) is the most important fiber and oil crop in the world. With the emergence of huge -omics data sets, it is essential to have an integrated functional genomics database that allows worldwide users to quickly and easily fetch and visualize genomic information. Currently available cotton-related databases have some weakness in integrating multiple kinds of -omics data from multiple Gossypium species. Therefore, it is necessary to establish an integrated functional genomics database for cotton...
June 8, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28592253/itraq-based-proteome-profile-analysis-of-superior-and-inferior-spikelets-at-early-grain-filling-stage-in-japonica-rice
#10
Cuicui You, Lin Chen, Haibing He, Liquan Wu, Shaohua Wang, Yanfeng Ding, Chuanxi Ma
BACKGROUND: Large-panicle rice varieties often fail to achieve their yield potential due to poor grain filling of late-flowering inferior spikelets (IS). The physiological and molecular mechanisms of poor IS grain filling, and whether an increase in assimilate supply could regulate protein abundance and consequently improve IS grain filling for japonica rice with large panicles is still partially understood. RESULTS: A field experiment was performed with two spikelet removal treatments at anthesis in the large-panicle japonica rice line W1844, including removal of the top 1/3 of spikelets (T1) and removal of the top 2/3 of spikelets (T2), with no spikelet removal as a control (T0)...
June 7, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28587634/sinapic-acid-or-its-derivatives-interfere-with-abscisic-acid-homeostasis-during-arabidopsis-thaliana-seed-germination
#11
Baodi Bi, Jingliang Tang, Shuang Han, Jinggong Guo, Yuchen Miao
BACKGROUND: Sinapic acid and its esters have broad functions in different stages of seed germination and plant development and are thought to play a role in protecting against ultraviolet irradiation. To better understand the interactions between sinapic acid esters and seed germination processes in response to various stresses, we analyzed the role of the plant hormone abscisic acid (ABA) in the regulation of sinapic acid esters involved in seed germination and early seedling growth...
June 6, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28587627/analysis-of-the-lipid-body-proteome-of-the-oleaginous-alga-lobosphaera-incisa
#12
Heike Siegler, Oliver Valerius, Till Ischebeck, Jennifer Popko, Nicolas J Tourasse, Olivier Vallon, Inna Khozin-Goldberg, Gerhard H Braus, Ivo Feussner
BACKGROUND: Lobosphaera incisa (L. incisa) is an oleaginous microalga that stores triacylglycerol (TAG) rich in arachidonic acid in lipid bodies (LBs). This organelle is gaining attention in algal research, since evidence is accumulating that proteins attached to its surface fulfill important functions in TAG storage and metabolism. RESULTS: Here, the composition of the LB proteome in L incisa was investigated by comparing different cell fractions in a semiquantitative proteomics approach...
June 6, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28583066/identification-of-genetic-loci-associated-with-crude-protein-and-mineral-concentrations-in-alfalfa-medicago-sativa-using-association-mapping
#13
Congjun Jia, Xinming Wu, Min Chen, Yunqi Wang, Xiqiang Liu, Pan Gong, Qingfang Xu, Xuemin Wang, Hongwen Gao, Zan Wang
BACKGROUND: Alfalfa (Medicago sativa) is one of the most important legume forage species in China and many other countries of the world. It provides a quality source of proteins and minerals to animals. Genetic underpinnings for these important traits, however, are elusive. An alfalfa (M. sativa) association mapping study for six traits, namely crude protein (CP), rumen undegraded protein (RUP), and four mineral elements (Ca, K, Mg and P), was conducted in three consecutive years using a large collection encompassing 336 genotypes genotyped with 85 simple sequence repeat (SSR) markers...
June 6, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28583084/expression-and-functional-analysis-of-the-transcription-factor-encoding-gene-cserf004-in-cucumber-during-pseudoperonospora-cubensis-and-corynespora-cassiicola-infection
#14
Dong Liu, Ming Xin, Xiuyan Zhou, Chunhua Wang, Yanju Zhang, Zhiwei Qin
BACKGROUND: Cucumber downy mildew, caused by P. cubensis, is an important leaf disease that can severely affect cucumber production. In recent years, cucumber target spot, caused by C. cassiicola, has been reported in both Asia and Europe and is now considered as a major disease disrupting cucumber production. Single-disease-resistant cucumber varieties have been unable to satisfy production needs. To explore the molecular mechanisms of cucumber resistance to these two diseases, cucumber cultivars D9320 (resistant to downy mildew and target spot) and D0401 (susceptible to downy mildew and target spot) were used as experimental materials in this study...
June 5, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28571580/exposure-to-trace-amounts-of-sulfonylurea-herbicide-tribenuron-methyl-causes-male-sterility-in-17-species-or-subspecies-of-cruciferous-plants
#15
Cheng-Yu Yu, Jun-Gang Dong, Sheng-Wu Hu, Ai-Xia Xu
BACKGROUND: For most cruciferous plants, which are known as important crops and a number of weeds, hybrid breeding is hampered by the unavailability of a pollination control system. Male sterility induced by a gametocide can be useful for the utilization of plant heterosis. RESULTS: The gametocidal effect of sulfonylurea herbicide tribenuron-methyl was tested across seventeen cruciferous species or subspecies including Brassica juncea, B. carinata, B. oleracea ssp...
June 1, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28558691/the-development-and-use-of-a-molecular-model-for-soybean-maturity-groups
#16
Tiffany Langewisch, Julian Lenis, Guo-Liang Jiang, Dechun Wang, Vince Pantalone, Kristin Bilyeu
BACKGROUND: Achieving appropriate maturity in a target environment is essential to maximizing crop yield potential. In soybean [Glycine max (L.) Merr.], the time to maturity is largely dependent on developmental response to dark periods. Once the critical photoperiod is reached, flowering is initiated and reproductive development proceeds. Therefore, soybean adaptation has been attributed to genetic changes and natural or artificial selection to optimize plant development in specific, narrow latitudinal ranges...
May 30, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28558686/global-identification-structural-analysis-and-expression-characterization-of-bhlh-transcription-factors-in-wheat
#17
Xiao-Jiang Guo, Ji-Rui Wang
BACKGROUND: Basic helix-loop-helix (bHLH) transcription factors (TFs), which are widely distributed in eukaryotic organisms, play crucial roles in plant development. However, no comprehensive analysis of the bHLH family in wheat (Triticum aestivum L.) has been undertaken previously. RESULTS: In this study, 225 bHLH TFs predicted from wheat using genomic and RNA sequencing data were subjected to identification, classification, phylogenetic reconstruction, conserved motif characterization, chromosomal distribution determination and expression pattern analysis...
May 30, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28558657/genome-wide-identification-of-markers-for-selecting-higher-oil-content-in-oil-palm
#18
Bin Bai, Le Wang, May Lee, Yingjun Zhang, Rahmadsyah, Yuzer Alfiko, Bao Qing Ye, Zi Yi Wan, Chin Huat Lim, Antonius Suwanto, Nam-Hai Chua, Gen Hua Yue
BACKGROUND: Oil palm (Elaeis guineensis, Jacq.) is the most important source of edible oil. The improvement of oil yield is currently slow in conventional breeding programs due to long generation intervals. Marker-assisted selection (MAS) has the potential to accelerate genetic improvement. To identify DNA markers associated with oil content traits for MAS, we performed quantitative trait loci (QTL) mapping using genotyping by sequencing (GBS) in a breeding population derived from a cross between Deli Dura and Ghana Pisifera, containing 153 F1 trees...
May 30, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28558655/the-common-transcriptional-subnetworks-of-the-grape-berry-skin-in-the-late-stages-of-ripening
#19
Ryan Ghan, Juli Petereit, Richard L Tillett, Karen A Schlauch, David Toubiana, Aaron Fait, Grant R Cramer
BACKGROUND: Wine grapes are important economically in many countries around the world. Defining the optimum time for grape harvest is a major challenge to the grower and winemaker. Berry skins are an important source of flavor, color and other quality traits in the ripening stage. Senescent-like processes such as chloroplast disorganization and cell death characterize the late ripening stage. RESULTS: To better understand the molecular and physiological processes involved in the late stages of berry ripening, RNA-seq analysis of the skins of seven wine grape cultivars (Cabernet Franc, Cabernet Sauvignon, Merlot, Pinot Noir, Chardonnay, Sauvignon Blanc and Semillon) was performed...
May 30, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28558653/genome-wide-association-study-of-salt-tolerance-at-the-seed-germination-stage-in-rice
#20
Yingyao Shi, Lingling Gao, Zhichao Wu, Xiaojing Zhang, Mingming Wang, Congshun Zhang, Fan Zhang, Yongli Zhou, Zhikang Li
BACKGROUND: Improving the salt tolerance of direct-seeding rice at the seed germination stage is a major breeding goal in many Asian rice-growing countries, where seedlings must often establish in soils with a high salt content. Thus, it is important to understand the genetic mechanisms of salt tolerance in rice and to screen for germplasm with salt tolerance at the seed germination stage. Here, we investigated seven seed germination-related traits under control and salt-stress conditions and conducted a genome-wide association study based on the re-sequencing of 478 diverse rice accessions...
May 30, 2017: BMC Plant Biology
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