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https://www.readbyqxmd.com/read/28326087/arabidopsis-nac-transcription-factor-jungbrunnen1-exerts-conserved-control-over-gibberellin-and-brassinosteroid-metabolism-and-signaling-genes-in-tomato
#1
Sara Shahnejat-Bushehri, Annapurna D Allu, Nikolay Mehterov, Venkatesh P Thirumalaikumar, Saleh Alseekh, Alisdair R Fernie, Bernd Mueller-Roeber, Salma Balazadeh
The Arabidopsis thaliana NAC transcription factor JUNGBRUNNEN1 (AtJUB1) regulates growth by directly repressing GA3ox1 and DWF4, two key genes involved in gibberellin (GA) and brassinosteroid (BR) biosynthesis, respectively, leading to GA and BR deficiency phenotypes. AtJUB1 also reduces the expression of PIF4, a bHLH transcription factor that positively controls cell elongation, while it stimulates the expression of DELLA genes, which are important repressors of growth. Here, we extend our previous findings by demonstrating that AtJUB1 induces similar GA and BR deficiency phenotypes and changes in gene expression when overexpressed in tomato (Solanum lycopersicum)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28304376/an-integrated-analysis-based-on-transcriptome-and-proteome-reveals-deastringency-related-genes-in-cpcna-persimmon
#2
Wenxing Chen, Yalou Xiong, Liqing Xu, Qinglin Zhang, Zhengrong Luo
Persimmon fruits accumulate a large amount of proanthocyanidins (PAs) during development. PAs cause a dry or puckering sensation due to its astringency. Pollination constant and non-astringent (PCNA) persimmon fruits can lose astringency during fruit ripening. However, little is known about the mechanism of natural de-astringency of Chinese PCNA (CPCNA). To gain insight into the molecular events of CPCNA natural de-astringency, we used mRNA-seq and iTRAQ-based quantitative proteomic analysis to measure changes in genes and proteins expression at two key stages of natural astringency removal (i...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28298920/transcriptomic-profiling-of-the-maize-zea-mays-l-leaf-response-to-abiotic-stresses-at-the-seedling-stage
#3
Pengcheng Li, Wei Cao, Huimin Fang, Shuhui Xu, Shuangyi Yin, Yingying Zhang, Dezhou Lin, Jianan Wang, Yufei Chen, Chenwu Xu, Zefeng Yang
Abiotic stresses, including drought, salinity, heat, and cold, negatively affect maize (Zea mays L.) development and productivity. To elucidate the molecular mechanisms of resistance to abiotic stresses in maize, RNA-seq was used for global transcriptome profiling of B73 seedling leaves exposed to drought, salinity, heat, and cold stress. A total of 5,330 differentially expressed genes (DEGs) were detected in differential comparisons between the control and each stressed sample, with 1,661, 2,019, 2,346, and 1,841 DEGs being identified in comparisons of the control with salinity, drought, heat, and cold stress, respectively...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28298916/transcriptome-analysis-of-flowering-time-genes-under-drought-stress-in-maize-leaves
#4
Kitae Song, Hyo Chul Kim, Seungho Shin, Kyung-Hee Kim, Jun-Cheol Moon, Jae Yoon Kim, Byung-Moo Lee
Flowering time is an important factor determining yield and seed quality in maize. A change in flowering time is a strategy used to survive abiotic stresses. Among abiotic stresses, drought can increase anthesis-silking intervals (ASI), resulting in negative effects on maize yield. We have analyzed the correlation between flowering time and drought stress using RNA-seq and bioinformatics tools. Our results identified a total of 619 genes and 126 transcripts whose expression was altered by drought stress in the maize B73 leaves under short-day condition...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28273344/oxidative-stress-serves-as-a-key-checkpoint-for-il-33-release-by-airway-epithelium
#5
Masaru Uchida, Erik L Anderson, Diane L Squillace, Nandadevi Patil, Peter J Maniak, Koji Iijima, Hirohito Kita, Scott M O'Grady
BACKGROUND: Interleukin (IL)-33 is implicated in the pathophysiology of asthma and allergic diseases. However, our knowledge is limited regarding how IL-33 release is controlled. The transcription factor nuclear factor-erythroid-2-related factor 2 (Nrf2) plays a key role in antioxidant response regulation. OBJECTIVE: The goal of this project was to investigate the role of cellular oxidative stress in controlling IL-33 release in airway epithelium. METHODS: Complementary approaches were used that included human bronchial epithelial cells and mouse models of airway type-2 immunity that were exposed to fungus Alternaria extract...
March 8, 2017: Allergy
https://www.readbyqxmd.com/read/28261224/aluminum-enhances-growth-and-sugar-concentration-alters-macronutrient-status-and-regulates-the-expression-of-nac-transcription-factors-in-rice
#6
Marcos Moreno-Alvarado, Soledad García-Morales, Libia Iris Trejo-Téllez, Juan Valente Hidalgo-Contreras, Fernando Carlos Gómez-Merino
Aluminum (Al) is a beneficial element for some plant species, especially when used at low concentrations. Though some transcription factors are induced by exposure to this element, no data indicate that Al regulates the expression of NAC genes in rice. In this study we tested the effect of applying 200 μM Al on growth, chlorophyll, amino acids, sugars, macronutrient concentration and regulation of NAC transcription factors gene expression in 24-day-old plants of four rice (Oryza sativa ssp. indica) cultivars: Cotaxtla, Tres Ríos, Huimanguillo and Temporalero, grown hydroponically under greenhouse conditions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28241800/the-essence-of-nac-gene-family-to-the-cultivation-of-drought-resistant-soybean-glycine-max-l-merr-cultivars
#7
Reem M Hussain, Mohammed Ali, Xing Feng, Xia Li
BACKGROUND: The NAC gene family is notable due to its large size, as well as its relevance in crop cultivation - particularly in terms of enhancing stress tolerance of plants. These plant-specific proteins contain NAC domain(s) that are named after Petunia NAM and Arabidopsis ATAF1/2 and CUC2 transcription factors based on the consensus sequence they have. Despite the knowledge available regarding NAC protein function, an extensive study on the possible use of GmNACs in developing soybean cultivars with superior drought tolerance is yet to be done...
February 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28224923/high-throughput-sequencing-reveals-modulation-of-micrornas-in-vigna-mungo-upon-mungbean-yellow-mosaic-india-virus-inoculation-highlighting-stress-regulation
#8
Anirban Kundu, Sujay Paul, Avishek Dey, Amita Pal
MicroRNAs (miRNAs) are 20-24 nucleotides long non-coding RNAs known to play important regulatory roles during biotic and abiotic stresses by controlling gene expression. Blackgram (Vigna mungo), an economically important grain legume is highly susceptible to pathogenic begomovirus Mungbean Yellow Mosaic India Virus (MYMIV) and resulting in high yield loss. In this study two different leaf-small-RNA libraries were prepared from the pooled RNA at three different time points of resistant V. mungo inbred line VM84 inoculated either with viruliferous or non-viruliferous whiteflies carrying MYMIV and performed high-throughput Illumina sequencing...
April 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28212614/transcriptomic-profiling-provides-molecular-insights-into-hydrogen-peroxide-induced-adventitious-rooting-in-mung-bean-seedlings
#9
Shi-Weng Li, Yan Leng, Rui-Fang Shi
BACKGROUND: Hydrogen peroxide (H2O2) has been known to function as a signalling molecule involved in the modulation of various physiological processes in plants. H2O2 has been shown to act as a promoter during adventitious root formation in hypocotyl cuttings. In this study, RNA-Seq was performed to reveal the molecular mechanisms underlying H2O2-induced adventitious rooting. RESULTS: RNA-Seq data revealed that H2O2 treatment greatly increased the numbers of clean reads and expressed genes and abundance of gene expression relative to the water treatment...
February 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28209137/transcriptional-analysis-of-defense-mechanisms-in-upland-tetraploid-switchgrass-to-greenbugs
#10
Teresa Donze-Reiner, Nathan A Palmer, Erin D Scully, Travis J Prochaska, Kyle G Koch, Tiffany Heng-Moss, Jeffrey D Bradshaw, Paul Twigg, Keenan Amundsen, Scott E Sattler, Gautam Sarath
BACKGROUND: Aphid infestation of switchgrass (Panicum virgatum) has the potential to reduce yields and biomass quality. Although switchgrass-greenbug (Schizaphis graminum; GB) interactions have been studied at the whole plant level, little information is available on plant defense responses at the molecular level. RESULTS: The global transcriptomic response of switchgrass cv Summer to GB was monitored by RNA-Seq in infested and control (uninfested) plants harvested at 5, 10, and 15 days after infestation (DAI)...
February 16, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28207953/sgs1-a-neomorphic-nac52-allele-impairing-ptgs-through-sgs3-down-regulation
#11
Nicolas Butel, Ivan Le Masson, Nathalie Bouteiller, Hervé Vaucheret, Taline Elmayan
Post-transcriptional gene silencing (PTGS) is a defense mechanism that targets invading nucleic acids from endogenous (transposons) or exogenous (pathogens, transgenes) origins. Genetic screens based on the reactivation of silenced transgenes have long been used to identify cellular PTGS components and regulators. Here we show that the first isolated PTGS-deficient mutant, sgs1, is impaired in the transcription factor NAC52. This mutant exhibits striking similarities with a mutant impaired in the H3K4me3 demethylase JMJ14 isolated from the same genetic screen...
February 16, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28198429/dynamic-changes-in-the-transcriptome-of-populus-hopeiensis-in-response-to-abscisic-acid
#12
Zhong Chen, Lexiang Ji, Jia Wang, Jinpu Jin, Xiaoyu Yang, Pian Rao, Kai Gao, Weihua Liao, Meixia Ye, Xinmin An
Abscisic acid (ABA) plays a fundamental role in plant response and adaptation to abiotic stresses, such as drought, high salinity and low temperature. Populus hopeiensis exhibits exceptional tolerance to water-deficit environments and is therefore an excellent choice for studying drought tolerance in trees. This study provides a global view of transcriptome dynamics in P. hopeiensis in response to exogenous ABA using Illumina RNA-sequencing. Endogenous ABA content increased and reached a peak at 8 h after ABA treatment and then significantly decreased at latter time points...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28193581/genome-wide-characterization-and-expression-profiling-of-the-nac-genes-under-abiotic-stresses-in-cucumis-sativus
#13
Xiao Meng Zhang, Hong Jun Yu, Chao Sun, Jie Deng, Xue Zhang, Peng Liu, Yun Yun Li, Qiang Li, Wei Jie Jiang
The NAC (standing for no apical meristem [NAM], Arabidopsis transcription activation factor [ATAF] and cup-shaped cotyledon [CUC]) proteins pertain to one of the plant-specific transcription factor families that play important roles in plant development, abiotic stress resistance and signalling transduction. In the present study, the genomic features of the NAC genes in cucumber were analysed in depth using in silico tools. To reveal a tissue-specific, abiotic stress and hormone-responsive expression profile of CsNAC genes, RT-qPCR was performed under different treatments...
January 31, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28186632/norwood-a-gene-expression-resource-for-evo-devo-studies-of-conifer-wood-development
#14
Soile Jokipii-Lukkari, David Sundell, Ove Nilsson, Torgeir R Hvidsten, Nathaniel R Street, Hannele Tuominen
The secondary xylem of conifers is composed mainly of tracheids that differ anatomically and chemically from angiosperm xylem cells. There is currently no high-spatial-resolution data available profiling gene expression during wood formation for any coniferous species, which limits insight into tracheid development. RNA-sequencing data from replicated, high-spatial-resolution section series throughout the cambial and woody tissues of Picea abies were used to generate the NorWood.conGenIE.org web resource, which facilitates exploration of the associated gene expression profiles and co-expression networks...
February 10, 2017: New Phytologist
https://www.readbyqxmd.com/read/28178219/altholactone-inhibits-nf-%C3%AE%C2%BAb-and-stat3-activation-and-induces-reactive-oxygen-species-mediated-apoptosis-in-prostate-cancer-du145-cells
#15
Chunwa Jiang, Muqaddas Masood, Azhar Rasul, Wei Wei, Ya Wang, Muhammad Ali, Muhammad Mustaqeem, Jiang Li, Xiaomeng Li
Altholactone, a natural compound isolated from Goniothalamus spp., has demonstrated anti-inflammatory and anticancer activities, but its molecular mechanisms are still not fully defined. Nuclear factor kappa B (NF-κB) and signal transducer and activator of transcription 3 (STAT3) play pivotal roles in the cell survival of many human tumors. The objective of this study was to elucidate the mechanism of action of altholactone against prostate cancer DU145 cells and to evaluate whether its effects are mediated by inhibition of NF-κB and STAT3 activity...
February 7, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28163714/transcriptomics-analysis-of-apple-leaves-in-response-to-alternaria-alternata-apple-pathotype-infection
#16
Longming Zhu, Weichen Ni, Shuai Liu, Binhua Cai, Han Xing, Sanhong Wang
Alternaria blotch disease of apple (Malus × domestica Borkh.), caused by the apple pathotype of Alternaria alternata, is one of the most serious fungal diseases to affect apples. To develop an understanding of how apples respond to A. alternata apple pathotype (AAAP) infection, we examined the host transcript accumulation over the period between 0 and 72 h post AAAP inoculation. Large-scale gene expression analysis was conducted of the compatible interaction between "Starking Delicious" apple cultivar and AAAP using RNA-Seq and digital gene expression (DGE) profiling methods...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28155114/over-expression-of-slja2-decreased-heat-tolerance-of-transgenic-tobacco-plants-via-salicylic-acid-pathway
#17
Zhong-Ming Liu, Meng-Meng Yue, Dong-Yue Yang, Shao-Bo Zhu, Na-Na Ma, Qing-Wei Meng
Over-expression of SlJA2 decreased the accumulation of SA, which resulted in significant physiological and gene expression changes in transgenic tobacco plants, leading to the decreased heat tolerance of transgenic tobacco. NAC family, the largest transcription factors in plants, responses to different environmental stimuli. Here, we isolated a typical NAC transcription factor (SlJA2) from tomato and got transgenic tobacco with SlJA2 over-expression. Expression of SlJA2 was induced by heat stress (42 °C), chilling stress (4 °C), drought stress, osmotic stress, abscisic acid, and salicylic acid...
February 2, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28151043/insights-into-the-function-of-the-phasirna-triggering-mir1514-in-response-to-stress-in-legumes
#18
Guadalupe Sosa-Valencia, Paulette S Romero-Pérez, Miguel Palomar, Alejandra A Covarrubias, José L Reyes
We recently described the activity of miR1514a in response to water deficit in Phaseolus vulgaris. Pvu-miR1514a targets a NAC transcription factor mRNA for cleavage and subsequently triggers NAC-derived phasiRNA formation. Here we show that accumulation and activity of miR1514a are also conserved in the model legume Medicago truncatula. Consistently, we identified Mtr-miR1514a and detected its increased accumulation in response to stress conditions, targeting a NAC TF mRNA for cleavage and triggering phasiRNA production...
February 2, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28130221/gene-expression-analysis-in-musa-acuminata-during-compatible-interactions-with-meloidogyne-incognita
#19
Nancy Eunice Niño Castañeda, Gabriel Sergio Costa Alves, Rosane Mansan Almeida, Edson Perito Amorim, Claudia Fortes Ferreira, Roberto Coiti Togawa, Marcos Mota Do Carmo Costa, Priscila Grynberg, Jansen Rodrigo Pereira Santos, Juvenil Enrique Cares, Robert Neil Gerard Miller
BACKGROUND AND AIMS: Endoparasitic root-knot nematodes (RKNs) (Meloidogyne spp.) cause considerable losses in banana (Musa spp.), with Meloidogyne incognita a predominant species in Cavendish sub-group bananas. This study investigates the root transcriptome in Musa acuminata genotypes 4297-06 (AA) and Cavendish Grande Naine (CAV; AAA) during early compatible interactions with M. incognita METHODS: Roots were analysed by brightfield light microscopy over a 35 d period to examine nematode penetration and morphological cell transformation...
January 27, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28116501/overexpression-of-a-chrysanthemum-transcription-factor-gene-dgnac1-improves-the-salinity-tolerance-in-chrysanthemum
#20
Ke Wang, Ming Zhong, Yin-Huan Wu, Zhen-Yu Bai, Qian-Yu Liang, Qing-Lin Liu, Yuan-Zhi Pan, Lei Zhang, Bei-Bei Jiang, Yin Jia, Guang-Li Liu
DgNAC1, a transcription factor of chrysanthemum, was functionally verified to confer salt stress responses by regulating stress-responsive genes. NAC transcription factors play effective roles in resistance to different abiotic stresses, and overexpressions of NAC TFs in Arabidopsis have been proved to be conducive in improving salinity tolerance. However, functions of NAC genes in chrysanthemum continue to be poorly understood. Here, we performed physiology and molecular experiments to evaluate roles of DgNAC1 in chrysanthemum salt stress responses...
January 23, 2017: Plant Cell Reports
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