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https://www.readbyqxmd.com/read/28732030/identification-of-odorant-binding-proteins-and-chemosensory-proteins-in-microplitis-mediator-as-well-as-functional-characterization-of-chemosensory-protein-3
#1
Yong Peng, Shan-Ning Wang, Ke-Ming Li, Jing-Tao Liu, Yao Zheng, Shuang Shan, Ye-Qing Yang, Rui-Jun Li, Yong-Jun Zhang, Yu-Yuan Guo
Odorant binding proteins (OBPs) and chemosensory proteins (CSPs) play important roles in transporting semiochemicals through the sensillar lymph to olfactory receptors in insect antennae. In the present study, twenty OBPs and three CSPs were identified from the antennal transcriptome of Microplitis mediator. Ten OBPs (MmedOBP11-20) and two CSPs (MmedCSP2-3) were newly identified. The expression patterns of these new genes in olfactory and non-olfactory tissues were investigated by real-time quantitative PCR (qPCR) measurement...
2017: PloS One
https://www.readbyqxmd.com/read/28730636/the-reduction-in-maize-leaf-growth-under-mild-drought-affects-the-transition-between-cell-division-and-cell-expansion-and-cannot-be-restored-by-elevated-gibberellic-acid-levels
#2
Hilde Nelissen, Xiao-Huan Sun, Bart Rymen, Yusuke Jikumaru, Mikko Kojima, Yumiko Takebayashi, Rafael Abbeloos, Kirin Demuynck, Veronique Storme, Marnik Vuylsteke, Jolien De Block, Dorota Herman, Frederik Coppens, Steven Maere, Yuji Kamiya, Hitoshi Sakakibara, Gerrit T S Beemster, Dirk Inzé
Growth is characterized by the interplay between cell division and cell expansion, two processes that occur separated along the growth zone at the maize leaf. To gain further insight into the transition between cell division and cell expansion, conditions were investigated in which the position of this transition zone was positively or negatively affected. High levels of gibberellic acid (GA) in plants overexpressing the GA biosynthesis gene GA20-OXIDASE (GA20OX-1(OE) ) shifted the transition zone more distally, whereas mild drought, which is associated with lowered GA biosynthesis, resulted in a more basal positioning...
July 21, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28730342/transcriptome-analysis-of-three-cotton-pests-reveals-features-of-gene-expressions-in-the-mesophyll-feeder-apolygus-lucorum
#3
Dianyang Chen, Fangyan Chen, Chunyu Chen, Xiaoya Chen, Yingbo Mao
The green mirid bug Apolygus lucorum is an agricultural pest that is known to cause damage to more than 150 plant species. Here, we report the transcriptomes of A. lucorum at three different developmental stages (the second and fifth instar nymphs and adults). A total of 98,236 unigenes with an average length of 1,335 nt was obtained, of which 50,640 were annotated, including those encoding digestive enzymes and cytochrome P450s. Comparisons with cotton bollworm and cotton aphid transcriptomes revealed distinct features of A...
July 18, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/28729959/shot-gun-proteome-and-transcriptome-mapping-of-the-jujube-floral-organ-and-identification-of-a-pollen-specific-s-locus-f-box-gene
#4
Ruihong Chen, Guoliang Chen, Jian Huang
The flower is a plant reproductive organ that forms part of the fruit produced as the flowering season ends. While the number and identity of proteins expressed in a jujube (Ziziphus jujuba Mill.) flower is currently unknown, integrative proteomic and transcriptomic analyses provide a systematic strategy of characterizing the floral biology of plants. We conducted a shotgun proteomic analysis on jujube flowers by using a filter-aided sample preparation tryptic digestion, followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS)...
2017: PeerJ
https://www.readbyqxmd.com/read/28729859/transcriptomic-insight-in-the-control-of-legume-root-secondary-infection-by-the-sinorhizobium-meliloti-transcriptional-regulator-clr
#5
Lan Zou, Amandine Gastebois, Céline Mathieu-Demazière, Fernando Sorroche, Catherine Masson-Boivin, Jacques Batut, Anne-Marie Garnerone
The cAMP-dependent transcriptional regulator Clr of Sinorhizobium meliloti regulates the overall number of infection events on Medicago roots by a so-far unknown mechanism requiring smc02178, a Clr-target gene of unknown function. In order to shed light on the mode of action of Clr on infection and potentially reveal additional biological functions for Clr, we inventoried genomic Clr target genes by transcriptome profiling. We have found that Clr positively controls the synthesis of cAMP-dependent succinoglycan as well as the expression of genes involved in the synthesis of a so-far unknown polysaccharide compound...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28729759/transcriptome-wide-identification-and-characterization-of-starch-branching-enzyme-in-finger-millet
#6
Rajhans Tyagi, Apoorv Tiwari, Vijay Kumar Garg, Sanjay Gupta
Starch-branching enzymes (SBEs) are one of the four major enzyme classes involved in starch biosynthesis in plants and play an important role in determining the structure and physical properties of starch granules. Multiple SBEs are involved in starch biosynthesis in plants. Finger millet is calcium rich important serial crop belongs to grass family and the transcriptome data of developing spikes is available on NCBI. In this study it was try to find out the gene sequence of starch branching enzyme and annotate the sequence and submit the sequence for further use...
2017: Bioinformation
https://www.readbyqxmd.com/read/28729698/dynamic-transcriptomic-analysis-of-the-early-response-of-female-flowers-of-populus-alba%C3%A2-%C3%A3-%C3%A2-p-glandulosa-to-pollination
#7
Pian Rao, Zhong Chen, Xiaoyu Yang, Kai Gao, Xiong Yang, Tianyun Zhao, Siyan Li, Bo Wu, Xinmin An
Pollination is an important event in plant sexual reproduction, and post-pollination response is an essential process for reproduction. Populus alba × P. glandulosa is used widely in scientific research, especially in cross breeding as parents. Adult female P. alba × P. glandulosa flowers are highly compatible with pollen from male P. tomentosa, but the early post-pollination response of flowers at the molecular levels is unclear. In this study, RNA-seq was employed to comprehensively understand the response of female P...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28727829/functional-differentiation-and-spatial-temporal-co-expression-networks-of-the-nbs-encoding-gene-family-in-jilin-ginseng-panax-ginseng-c-a-meyer
#8
Rui Yin, Mingzhu Zhao, Kangyu Wang, Yanping Lin, Yanfang Wang, Chunyu Sun, Yi Wang, Meiping Zhang
Ginseng, Panax ginseng C.A. Meyer, is one of the most important medicinal plants for human health and medicine. It has been documented that over 80% of genes conferring resistance to bacteria, viruses, fungi and nematodes are contributed by the nucleotide binding site (NBS)-encoding gene family. Therefore, identification and characterization of NBS genes expressed in ginseng are paramount to its genetic improvement and breeding. However, little is known about the NBS-encoding genes in ginseng. Here we report genome-wide identification and systems analysis of the NBS genes actively expressed in ginseng (PgNBS genes)...
2017: PloS One
https://www.readbyqxmd.com/read/28726096/identification-and-characterization-of-the-flower-meristem-identity-gene-mhylfy-in-mycoheterotrophic-plant-monotropa-hypopitys
#9
A V Shchennikova, O A Shulga, A V Beletsky, M A Filyushin, E Z Kochieva, N V Ravin, K G Skryabin
The gene encoding the transcription factor LEAFY was identified in the genome of the mycoheterotrophic plant, pinesap Monotropa hypopitys. In the transcriptomes of roots, bracts, and flowers of flowering pinesaps, the MhyLFY gene expression was absent. These data suggest the conservativeness of the LFY-dependent mechanism of flower meristem identity and flower formation in heterotrophic species with some differences associated to the specificity of development and the structure of such plants. The pinesap flowering under the control of the transcription factor MhyLFY may be initiated either in an embryonic inflorescence during spring dormancy release of adventitious root buds or in an inflorescence of a growing reproductive stem after photoperiodic induction...
May 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28725232/transcriptome-wide-identification-of-differentially-expressed-genes-in-solanum-lycopersicon-l-in-response-to-an-alfalfa-protein-hydrolysate-using-microarrays
#10
Andrea Ertani, Michela Schiavon, Serenella Nardi
An alfalfa-based protein hydrolysate (EM) has been tested in tomato (Solanum lycopersicon L.) plants at two different concentrations (0.1 and 1 mL L(-1)) to get insight on its efficacy as biostimulant in this species and to unravel possible metabolic targets and molecular mechanisms that may shed light on its mode of action. EM was efficient in promoting the fresh biomass and content in chlorophyll and soluble sugars of tomato plants, especially when it was applied at the concentration of 1 mL L(-1). This effect on plant productivity was likely related to the EM-dependent up-regulation of genes identified via microarray and involved in primary carbon and nitrogen metabolism, photosynthesis, nutrient uptake and developmental processes...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28725231/chloroplast-redox-status-modulates-genome-wide-plant-responses-during-the-non-host-interaction-of-tobacco-with-the-hemibiotrophic-bacterium-xanthomonas-campestris-pv-vesicatoria
#11
Juan J Pierella Karlusich, Matias D Zurbriggen, Fahimeh Shahinnia, Sophia Sonnewald, Uwe Sonnewald, Seyed A Hosseini, Mohammad-Reza Hajirezaei, Néstor Carrillo
Non-host resistance is the most ample and durable form of plant resistance against pathogen infection. It includes induction of defense-associated genes, massive metabolic reprogramming, and in many instances, a form of localized cell death (LCD) at the site of infection, purportedly designed to limit the spread of biotrophic and hemibiotrophic microorganisms. Reactive oxygen species (ROS) have been proposed to act as signals for LCD orchestration. They are produced in various cellular compartments including chloroplasts, mitochondria and apoplast...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28724071/haplotypes-phased-from-population-transcriptomes-detecting-selection-in-the-initial-adaptation-of-miscanthus-lutarioriparius-to-stressful-environments
#12
Cai-Yun Zhu, Wei Liu, Li-Fang Kang, Qin Xu, Shi-Lai Xing, Yang-Yang Fan, Zhi-Hong Song, Juan Yan, Jian-Qiang Li, Tao Sang
Adaptation is a characteristic that enhances the survival or reproduction of organisms; selection is the critical process leading to adaptive evolution. Therefore, detecting selection is important in studying evolutionary biology. Changes in allele frequency are fundamental to adaptive evolution. The allele frequency of entire genes at the genomic scale is more intensive and precise for analyzing selection effects, compared with simple sequence repeat and single nucleotide polymorphism (SNP) alleles from nuclear gene fragments...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28723412/identification-of-a-viroid-like-rna-in-a-lychee-transcriptome-shotgun-assembly
#13
Jihong Jiang, Zhixiang Zhang, Bing Hu, Guibing Hu, Hongqing Wang, Chantal Faure, Armelle Marais, Thierry Candresse, Shifang Li
In the course of a systematic screen of plant transcriptomic data, the sequence of a novel viroid-like RNA was identified in four contigs in a recent Transcriptome Shotgun Assembly (TSA) from lychee in China. Portions of this sequence are closely related to the central conserved region (CCR) and terminal conserved region (TCR) present in members of the genus Apscaviroid, sequences that are important criteria for viroid classification. RT-PCR with two divergent adjacent primers amplified the full 304 nucleotide sequence of this viroid-like RNA which can be folded into the rod-like secondary structure that is a typical feature of viroids in the family Pospiviroidae...
July 16, 2017: Virus Research
https://www.readbyqxmd.com/read/28720596/elongator-regulates-hypocotyl-growth-in-darkness-and-during-photomorphogenesis
#14
Magdalena Woloszynska, Olimpia Gagliardi, Filip Vandenbussche, Steven De Groeve, Luis Alonso Baez, Pia Neyt, Sabine Le Gall, Jorge Fung, Paloma Mas, Dominique Van Der Straeten, Mieke Van Lijsebettens
Elongator promotes RNA polymerase II-mediated transcript elongation through epigenetic activities such as histone acetylation. Elongator regulates growth, development, immune response, sensitivity to drought and abscisic acid. We demonstrate that elo mutants exhibit defective hypocotyl elongation but have a normal apical hook in darkness and are hyposensitive to light during photomorphogenesis. These elo phenotypes are supported by transcriptome changes, i.e. downregulation of circadian clock components, positive regulators of skoto- or photomorphogenesis, hormonal pathways and cell wall biogenesis-related factors...
July 18, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28720072/tissue-and-cell-specific-transcriptomes-in-cotton-reveal-the-subtleties-of-gene-regulation-underlying-the-diversity-of-plant-secondary-cell-walls
#15
Colleen P MacMillan, Hannah Birke, Aaron Chuah, Elizabeth Brill, Yukiko Tsuji, John Ralph, Elizabeth S Dennis, Danny Llewellyn, Filomena A Pettolino
BACKGROUND: Knowledge of plant secondary cell wall (SCW) regulation and deposition is mainly based on the Arabidopsis model of a 'typical' lignocellulosic SCW. However, SCWs in other plants can vary from this. The SCW of mature cotton seed fibres is highly cellulosic and lacks lignification whereas xylem SCWs are lignocellulosic. We used cotton as a model to study different SCWs and the expression of the genes involved in their formation via RNA deep sequencing and chemical analysis of stem and seed fibre...
July 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28718511/genome-wide-identification-of-genes-involved-in-the-potato-response-to-drought-indicates-functional-evolutionary-conservation-with-arabidopsis-plants
#16
M Pieczynski, A Wyrzykowska, K Milanowska, D Boguszewska-Mankowska, B Zagdanska, W Karlowski, A Jarmolowski, Z Szweykowska-Kulinska
Potato is one of the four most important food crop plants worldwide and is strongly affected by drought. The following two pairs of potato cultivars, which are related in ancestry but show different drought tolerances, were chosen for comparative gene expression studies: Gwiazda/Oberon and Tajfun/Owacja. Comparative RNA-seq analyses of gene expression differences in the transcriptomes obtained from drought-tolerant versus drought-sensitive plants during water shortage conditions were performed. The twenty-three top-ranking genes were selected, 22 of which are described here as novel potato drought-responsive genes...
July 17, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28717149/transcriptome-analysis-of-rice-seedling-roots-in-response-to-potassium-deficiency
#17
Xiaoqin Zhang, Hua Jiang, Hua Wang, Jun Cui, Jiahui Wang, Jiang Hu, Longbiao Guo, Qian Qian, Dawei Xue
Rice is one of the most important food crops in the world, and its growth, development, yield, and grain quality are susceptible to a deficiency of the macronutrient potassium (K(+)). The molecular mechanism for K(+) deficiency tolerance remains poorly understood. In this study, K(+) deficient conditions were employed to investigate the resulting changes in the transcriptome of rice seedling roots. Using ribonucleic acid sequencing (RNA-Seq) and analysis, a total of 805 differentially expressed genes were obtained, of which 536 genes were upregulated and 269 were downregulated...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716420/characterization-of-bdcbf-genes-and-genome-wide-transcriptome-profiling-of-bdcbf3-dependent-and-independent-cold-stress-responses-in-brachypodium-distachyon
#18
Jingjie Hao, Jinliang Yang, Jiangli Dong, Shui-Zhang Fei
Freezing stress substantially reduces crop yields and limits plant distribution. The identification of genes critical for cold acclimation is thus of great importance. C-repeat binding factors (CBFs) are transcription factors that play key regulatory roles in the cold acclimation process, which dramatically increases freezing tolerance in plants. We report here that B. distachyon can successfully cold acclimate and we identified a CBF gene family consisting of eight genes in a tandem array and are designated as BdCBF1-8...
September 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28716406/the-tomato-b-type-cyclin-gene-slcycb2-plays-key-roles-in-reproductive-organ-development-trichome-initiation-terpenoids-biosynthesis-and-prodenia-litura-defense
#19
Shenghua Gao, Yanna Gao, Cheng Xiong, Gang Yu, Jiang Chang, Qihong Yang, Changxian Yang, Zhibiao Ye
Cyclins exist extensively in various plant species. Among them, B-type cyclins play important roles in the transition of G2-to-M. However, few B-type cyclins have been reported to participate in reproductive organ development and trichome formation. In this study, transgene analysis showed that SlCycB2 overexpression caused abnormal flower with the unclosed stamen, shortened style and aberrant pollen. In addition, nearly all non-glandular trichomes, as well as the glandular ones were disappeared. On the contrary, suppression of SlCycB2 could promote type III and type V trichomes formation...
September 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28716126/the-effects-of-potato-virus-y-derived-virus-small-interfering-rnas-of-three-biologically-distinct-strains-on-potato-solanum-tuberosum-transcriptome
#20
Lindani Moyo, Shunmugiah V Ramesh, Madhu Kappagantu, Neena Mitter, Vidyasagar Sathuvalli, Hanu R Pappu
BACKGROUND: Potato virus Y (PVY) is one of the most economically important pathogen of potato that is present as biologically distinct strains. The virus-derived small interfering RNAs (vsiRNAs) from potato cv. Russet Burbank individually infected with PVY-N, PVY-NTN and PVY-O strains were recently characterized. Plant defense RNA-silencing mechanisms deployed against viruses produce vsiRNAs to degrade homologous viral transcripts. Based on sequence complementarity, the vsiRNAs can potentially degrade host RNA transcripts raising the prospect of vsiRNAs as pathogenicity determinants in virus-host interactions...
July 17, 2017: Virology Journal
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