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https://www.readbyqxmd.com/read/29329517/genome-wide-analyses-of-direct-target-genes-of-four-rice-nac-domain-transcription-factors-involved-in-drought-tolerance
#1
Pil Joong Chung, Harin Jung, Yang Do Choi, Ju-Kon Kim
BACKGROUND: Plant stress responses and mechanisms determining tolerance are controlled by diverse sets of genes. Transcription factors (TFs) have been implicated in conferring drought tolerance under drought stress conditions, and the identification of their target genes can elucidate molecular regulatory networks that orchestrate tolerance mechanisms. RESULTS: We generated transgenic rice plants overexpressing the 4 rice TFs, OsNAC5, 6, 9, and 10, under the control of the root-specific RCc3 promoter...
January 12, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29313187/allelic-variants-of-ossub1a-cause-differential-expression-of-transcription-factor-genes-in-response-to-submergence-in-rice
#2
Niharika Sharma, Trang Minh Dang, Namrata Singh, Slobodan Ruzicic, Bernd Mueller-Roeber, Ute Baumann, Sigrid Heuer
BACKGROUND: Flooding during seasonal monsoons affects millions of hectares of rice-cultivated areas across Asia. Submerged rice plants die within a week due to lack of oxygen, light and excessive elongation growth to escape the water. Submergence tolerance was first reported in an aus-type rice landrace, FR13A, and the ethylene-responsive transcription factor (TF) gene SUB1A-1 was identified as the major tolerance gene. Intolerant rice varieties generally lack the SUB1A gene but some intermediate tolerant varieties, such as IR64, carry the allelic variant SUB1A-2...
January 8, 2018: Rice
https://www.readbyqxmd.com/read/29299971/the-role-of-the-fas-fasl-signaling-pathway-in-environmental-toxicant-induced-testicular-cell-apoptosis-an-update
#3
Mei Wang, Ping Su
The Fas/FasL signaling pathway is one of the major pathways that regulate apoptosis. Increasing studies have shown that the activation of the Fas/FasL signaling pathway is closely associated with testicular cell apoptosis. However, the mechanism involved is still unclear. We discuss recent findings regarding the molecular mechanisms by which environmental toxicants induce testicular pathology via Fas/FasL signaling. These findings suggest that Fas/FasL signaling is employed to impact the sensitivity (a response to external factors) of germ cells, disrupt steroidogenic hormone and cytokine metabolism mediated by Sertoli cells, and elicit the activation of NFAT (nuclear factor of activated T-cells) in Leydig cell apoptosis...
January 4, 2018: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/29259849/genome-wide-characterization-and-expression-profiling-of-nac-transcription-factor-genes-under-abiotic-stresses-in-radish-raphanus-sativus-l
#4
Bernard Kinuthia Karanja, Liang Xu, Yan Wang, Everlyne M'mbone Muleke, Bashir Mohammed Jabir, Yang Xie, Xianwen Zhu, Wanwan Cheng, Liwang Liu
NAC (NAM, no apical meristem; ATAF, Arabidopsis transcription activation factor and CUC, cup-shaped cotyledon) proteins are among the largest transcription factor (TF) families playing fundamental biological processes, including cell expansion and differentiation, and hormone signaling in response to biotic and abiotic stresses. In this study, 172 RsNACs comprising 17 membrane-bound members were identified from the whole radish genome. In total, 98 RsNAC genes were non-uniformly distributed across the nine radish chromosomes...
2017: PeerJ
https://www.readbyqxmd.com/read/29251427/a-novel-wheat-nac-transcription-factor-tanac30-negatively-regulates-resistance-of-wheat-to-stripe-rust
#5
Bing Wang, Jinping Wei, Na Song, Ning Wang, Zhensheng Kang
NAC transcription factors are widespread in the plant kingdom and play essential roles in the transcriptional regulation of defense responses. In this study, we isolated a novel NAC transcription factor gene, TaNAC30, from a cDNA library constructed from wheat (Triticum aestivum) plants inoculated with the stripe rust pathogen Puccinia striiformis f. sp. tritici (Pst). TaNAC30 contains a typical NAM domain and localizes to the nucleus. Yeast one-hybrid assays revealed that TaNAC30 exhibits transcriptional activity and that its C-terminus is necessary for the activation of transcription...
December 18, 2017: Journal of Integrative Plant Biology
https://www.readbyqxmd.com/read/29243793/a-new-antioxidant-formulation-reduces-the-apoptotic-and-damaging-effect-of-cigarette-smoke-extract-on-human-bronchial-epithelial-cells
#6
L Vanella, G Li Volti, A Distefano, M Raffaele, V Zingales, R Avola, D Tibullo, I Barbagallo
OBJECTIVE: In this study we evaluated the possible protective effect of an antioxidant formulation containing microfiltered milk derived polypeptides, Curcumin, Vitamin B2, Carnitine and N-Acetyl-cysteine (NAC) in an in vitro model of chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS: Human bronchial epithelial cells (16HBE) were used in this study. Cells were treated for 24 h in the presence or absence of 10% of cigarette smoke extract (CSE) and in the presence or absence of antioxidant formulation...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29241570/zmnst3-and-zmnst4-are-master-switches-for-secondary-wall-deposition-in-maize-zea-mays-l
#7
Wenhan Xiao, Yue Yang, Jingjuan Yu
Secondary walls are the most abundant biomass produced by plants, and they consist mainly of lignin, cellulose and hemicellulose. Understanding how secondary wall biosynthesis is regulated could potentially provide genetic tools for engineering biomass components, especially in maize and Sorghum bicolor. Although many works have focused on secondary wall biosynthesis in dicotyledons, little has been reported for these monocotyledons. In this study, we cloned two NAC transcriptional factor genes, ZmNST3 and ZmNST4, and analyzed their functions in maize secondary wall formation process...
January 2018: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/29236054/genome-wide-profiling-of-small-rnas-and-degradome-revealed-conserved-regulations-of-mirnas-on-auxin-responsive-genes-during-fruit-enlargement-in-peaches
#8
Mengya Shi, Xiao Hu, Yu Wei, Xu Hou, Xue Yuan, Jun Liu, Yueping Liu
Auxin has long been known as a critical phytohormone that regulates fruit development in plants. However, due to the lack of an enlarged ovary wall in the model plants Arabidopsis and rice, the molecular regulatory mechanisms of fruit division and enlargement remain unclear. In this study, we performed small RNA sequencing and degradome sequencing analyses to systematically explore post-transcriptional regulation in the mesocarp at the hard core stage following treatment of the peach (Prunus persica L.) fruit with the synthetic auxin α-naphthylacetic acid (NAA)...
December 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29234347/ectopic-expression-of-pumpkin-nac-transcription-factor-cmnac1-improves-multiple-abiotic-stress-tolerance-in-arabidopsis
#9
Haishun Cao, Li Wang, Muhammad A Nawaz, Mengliang Niu, Jingyu Sun, Junjun Xie, Qiusheng Kong, Yuan Huang, Fei Cheng, Zhilong Bie
Drought, cold and salinity are the major environmental stresses that limit agricultural productivity. NAC transcription factors regulate the stress response in plants. Pumpkin (Cucurbita moschata) is an important cucurbit vegetable crop and it has strong resistance to abiotic stress; however, the biological functions of stress-related NAC genes in this crop are largely unknown. This study reports the function of CmNAC1, a stress-responsive pumpkin NAC domain protein. The CmNAC1-GFP fusion protein was transiently expressed in tobacco leaves for subcellular localization analysis, and we found that CmNAC1 is localized in the nucleus...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29223344/native-vascular-related-nac-transcription-factors-are-efficient-regulator-of-multiple-classes-of-secondary-wall-associated-genes-in-banana
#10
Sanjana Negi, Himanshu Tak, T R Ganapathi
Secondary-wall deposition in xylem vessel elements is regulated by vascular-related NAC transcription factors (VNDs). We show that three banana VNDs (MusaVND1, MusaVND2 and MusaVND3) directly regulate multiple secondary-wall associated genes by binding to their 5'-upstream regulatory region. Transgenic banana harboring either PMusaVND1:GUS, PMusaVND2:GUS or PMusaVND3:GUS showed specific GUS staining in lignified tissues. MusaVND1, MusaVND2 and MusaVND3 encodes transcriptional-activators as its C-terminal region drive expression of reporter genes in vivo in yeast...
December 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/29216378/melonet-db-a-grand-rna-seq-gene-expression-atlas-in-melon-cucumis-melo-l
#11
Ryoichi Yano, Satoko Nonaka, Hiroshi Ezura
Melon (Cucumis melo L.) is an important Cucurbitaceae crop produced world-wide, exhibiting wide genetic variations and comprising both climacteric and non-climacteric fruit types. The muskmelon cultivar "Earl's favorite Harukei-3 (Harukei-3)" known for its sweetness and rich aroma is used for breeding of high-grade muskmelon in Japan. We conducted RNA-seq transcriptome studies in 30 different tissues of the 'Harukei-3' melon. These included root, stems, leaves, flowers, regenerating callus, and ovaries, in addition to the flesh and peel sampled at 7 stages of fruit development...
December 4, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29214600/apoptosis-induction-by-alantolactone-in-breast-cancer-mda-mb-231-cells-through-reactive-oxygen-species-mediated-mitochondrion-dependent-pathway
#12
Li Cui, Weiquan Bu, Jie Song, Liang Feng, Tingting Xu, Dan Liu, Wenbo Ding, Jianhua Wang, Changyang Li, Binge Ma, Yi Luo, Ziyu Jiang, Chengcheng Wang, Juan Chen, Jian Hou, Hongmei Yan, Lei Yang, Xiaobin Jia
Alantolactone is a sesquiterpene lactone isolated from Inula helenium L. Although alantolactone possesses anti-inflammation and apoptosis-induction activities, the underlying mechanism of anti-cancer effect on human breast cancer cells remains largely unknown. In this study, we explored the possibility of alantolactone as an apoptosis-inducing cytotoxic agent using MDA-MB-231 cells as in vitro model. Alantolactone significantly induced its apoptosis, demonstrated by cell cycle analysis, annexin V-APC/7-AAD double staining and dUTP nick end labeling...
December 6, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29206147/phloem-conducting-cells-in-haustoria-of-the-root-parasitic-plant-phelipanche-aegyptiaca-retain-nuclei-and-are-not-mature-sieve-elements
#13
Minako Ekawa, Koh Aoki
Phelipanche aegyptiaca parasitizes a wide range of plants, including important crops, and causes serious damage to their production. P. aegyptiaca develops a specialized intrusive organ called a haustorium that establishes connections to the host's xylem and phloem. In parallel with the development of xylem vessels, the differentiation of phloem-conducting cells has been demonstrated by the translocation of symplasmic tracers from the host to the parasite. However, it is unclear yet whether haustorial phloem-conducting cells are sieve elements...
December 5, 2017: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29186531/a-novel-nac-type-transcription-factor-nac87-from-oilseed-rape-modulates-reactive-oxygen-species-accumulation-and-cell-death
#14
Jingli Yan, Tiantian Tong, Xin Li, Qinqin Chen, Moyu Dai, Fangfang Niu, Mingfeng Yang, Michael K Deyholos, Bo Yang, Yuan-Qing Jiang
Reactive oxygen species (ROS) are thought to play a dual role in plants by functioning as signaling molecules and toxic byproducts of aerobic metabolism. The hypersensitive response (HR) is a typical feature of immune responses in plants and also a type of programmed cell death (PCD). How these two processes are regulated in oilseed rape (Brassica napus L.) at the transcriptional level remains largely unknown. In this study, we report that an oilseed rape (Brassica napus L.) NAM-ATAF-CUC (NAC)-type transcription factor NAC87 modulates reactive oxygen species (ROS) and cell death accompanied by typical changes at the morphological and cellular levels...
November 24, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/29176988/genome-wide-association-mapping-of-flowering-and-ripening-periods-in-apple
#15
Jorge Urrestarazu, Hélène Muranty, Caroline Denancé, Diane Leforestier, Elisa Ravon, Arnaud Guyader, Rémi Guisnel, Laurence Feugey, Sébastien Aubourg, Jean-Marc Celton, Nicolas Daccord, Luca Dondini, Roberto Gregori, Marc Lateur, Patrick Houben, Matthew Ordidge, Frantisek Paprstein, Jiri Sedlak, Hilde Nybom, Larisa Garkava-Gustavsson, Michela Troggio, Luca Bianco, Riccardo Velasco, Charles Poncet, Anthony Théron, Shigeki Moriya, Marco C A M Bink, François Laurens, Stefano Tartarini, Charles-Eric Durel
Deciphering the genetic control of flowering and ripening periods in apple is essential for breeding cultivars adapted to their growing environments. We implemented a large Genome-Wide Association Study (GWAS) at the European level using an association panel of 1,168 different apple genotypes distributed over six locations and phenotyped for these phenological traits. The panel was genotyped at a high-density of SNPs using the Axiom®Apple 480 K SNP array. We ran GWAS with a multi-locus mixed model (MLMM), which handles the putatively confounding effect of significant SNPs elsewhere on the genome...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29166879/a-compendium-of-transcription-factor-and-transcriptionally-active-protein-coding-gene-families-in-cowpea-vigna-unguiculata-l
#16
Vikram A Misra, Yu Wang, Michael P Timko
BACKGROUND: Cowpea (Vigna unguiculata (L.) Walp.) is the most important food and forage legume in the semi-arid tropics of sub-Saharan Africa where approximately 80% of worldwide production takes place primarily on low-input, subsistence farm sites. Among the major goals of cowpea breeding and improvement programs are the rapid manipulation of agronomic traits for seed size and quality and improved resistance to abiotic and biotic stresses to enhance productivity. Knowing the suite of transcription factors (TFs) and transcriptionally active proteins (TAPs) that control various critical plant cellular processes would contribute tremendously to these improvement aims...
November 22, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29166861/comprehensive-transcriptome-analysis-reveals-distinct-regulatory-programs-during-vernalization-and-floral-bud-development-of-orchardgrass-dactylis-glomerata-l
#17
Guangyan Feng, Linkai Huang, Ji Li, Jianping Wang, Lei Xu, Ling Pan, Xinxin Zhao, Xia Wang, Ting Huang, Xinquan Zhang
BACKGROUND: Vernalization and the transition from vegetative to reproductive growth involve multiple pathways, vital for controlling floral organ formation and flowering time. However, little transcription information is available about the mechanisms behind environmental adaption and growth regulation. Here, we used high-throughput sequencing to analyze the comprehensive transcriptome of Dactylis glomerata L. during six different growth periods. RESULTS: During vernalization, 4689 differentially expressed genes (DEGs) significantly increased in abundance, while 3841 decreased...
November 22, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29158982/genome-wide-in-silico-identification-of-membrane-bound-transcription-factors-in-plant-species
#18
Shixiang Yao, Lili Deng, Kaifang Zeng
Membrane-bound transcription factors (MTFs) are located in cellular membranes due to their transmembrane domains. In plants, proteolytic processing is considered to be the main mechanism for MTF activation, which ensures the liberation of MTFs from membranes and further their translocation into the nucleus to regulate gene expression; this process skips both the transcriptional and translational stages, and thus it guarantees the prompt responses of plants to various stimuli. Currently, information concerning plant MTFs is limited to model organisms, including Arabidopsis thaliana and Oryza sativa, and little is known in other plant species at the genome level...
2017: PeerJ
https://www.readbyqxmd.com/read/29144390/rna-sequencing-and-coexpression-analysis-reveal-key-genes-involved-in-%C3%AE-linolenic-acid-biosynthesis-in-perilla-frutescens-seed
#19
Tianyuan Zhang, Chi Song, Li Song, Zhiwei Shang, Sen Yang, Dong Zhang, Wei Sun, Qi Shen, Degang Zhao
Perillafrutescen is used as traditional food and medicine in East Asia. Its seeds contain high levels of α-linolenic acid (ALA), which is important for health, but is scarce in our daily meals. Previous reports on RNA-seq of perilla seed had identified fatty acid (FA) and triacylglycerol (TAG) synthesis genes, but the underlying mechanism of ALA biosynthesis and its regulation still need to be further explored. So we conducted Illumina RNA-sequencing in seven temporal developmental stages of perilla seeds...
November 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29136005/a-17-molecule-set-as-a-predictor-of-complete-response-to-neoadjuvant-chemotherapy-with-docetaxel-cisplatin-and-5-fluorouracil-in-esophageal-cancer
#20
Hajime Fujishima, Shoichi Fumoto, Tomotaka Shibata, Kohei Nishiki, Yoshiyuki Tsukamoto, Tsuyoshi Etoh, Masatsugu Moriyama, Norio Shiraishi, Masafumi Inomata
BACKGROUND: Recently, neoadjuvant chemotherapy with docetaxel/cisplatin/5-fluorouracil (NAC-DCF) was identified as a novel strong regimen with a high rate of pathological complete response (pCR) in advanced esophageal cancer in Japan. Predicting pCR will contribute to the therapeutic strategy and the prevention of surgical invasion. However, a predictor of pCR after NAC-DCF has not yet been developed. The aim of this study was to identify a novel predictor of pCR in locally advanced esophageal cancer treated with NAC-DCF...
2017: PloS One
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