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Genome-wide analyses of direct target genes of four rice NAC-domain transcription factors involved in drought tolerance

ABSTRACT: Genome-wide analyses of direct target genes of four rice NAC-domain transcription factors involved in drought tolerance

PROVIDER: PRJNA399275 | ENA |

REPOSITORIES: ENA

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Genome-wide analyses of direct target genes of four rice NAC-domain transcription factors involved in drought tolerance.

Project description: Not available

| S-EPMC5767043 | biostudies-literature

Genome-wide analyses of direct target genes of four rice NAC-domain transcription factors involved in drought tolerance [RNA-seq]

Project description:To understand the molecular mechanisms of drought tolerance, we performed ChIP-Seq and RNA-Seq analyses to identify direct target genes of the OsNACs using the RCc3:MYC-OsNACs roots. A total of 475 binding loci of 4 OsNACs were identified by cross-referencing the binding occupancy of OsNACs at promoter regions and expression levels of corresponding genes. The binding loci are distributed on promoter regions of 391 target genes that were directly up-regulated by OsNACs in four RCc3:MYC-OsNAC transgenic roots. The direct target genes were related to transmembrane/transporter activity, vesicle, plant hormone, carbohydrate metabolism, and transcription factors. The direct targets of each OsNAC are in a range of 4.0 to 8.7% of the genes up-regulated in RNA-Seq data sets. Thus, each OsNAC up-regulates of corresponding direct target genes that alters root system architectures of RCc3:OsNACs for drought tolerance.

2018-02-14 | GSE102919 | GEO

Genome-wide analyses of direct target genes of four rice NAC-domain transcription factors involved in drought tolerance [ChIP-seq]

Project description:Plant stress response and tolerance mechanisms are controlled by diverse genes. Transcription factors have been implicated in drought tolerance under drought stress conditions. Identification of target genes of such transcription factors could offer molecular regulatory networks by which the tolerance mechanisms orchestrated. Previously, we generated transgenic rice plants with 4 rice transcription factors OsNAC5, 6, 9, and 10 under the root-specific promoter RCc3 that were tolerant to drought stress with less loss of grain yield under drought conditions. To understand the molecular mechanisms of drought tolerance, we performed ChIP-Seq and RNA-Seq analyses to identify direct target genes of the OsNACs using the RCc3:MYC-OsNACs roots. A total of 475 binding loci of 4 OsNACs were identified by cross-referencing the binding occupancy of OsNACs at promoter regions and expression levels of corresponding genes. The binding loci are distributed on promoter regions of 391 target genes that were directly up-regulated by OsNACs in four RCc3:MYC-OsNAC transgenic roots. The direct target genes were related to transmembrane/transporter activity, vesicle, plant hormone, carbohydrate metabolism, and transcription factors. The direct targets of each OsNAC are in a range of 4.0 to 8.7% of the genes up-regulated in RNA-Seq data sets. Thus, each OsNAC up-regulates of corresponding direct target genes that alters root system architectures of RCc3:OsNACs for drought tolerance. Our results provide valuable resources for functional dissection of the molecular mechanisms for plant drought tolerance.

2018-02-14 | GSE102920 | GEO

Genome-wide analyses of direct target genes of four rice NAC-domain transcription factors involved in drought tolerance

Project description:This SuperSeries is composed of the SubSeries listed below.

2018-02-14 | GSE102921 | GEO

NAC transcription factor JUNGBRUNNEN1 enhances drought tolerance in tomato.

Project description: Not available

| S-EPMC5787828 | biostudies-other

Shigella flexneri ntrBC and nac mutant expression analysis

Project description:Investigate whole genome gene expression level changes in an S. flexneri ntrBC and nac mutants compared to wild type strain. NtrBC is a two component regulatory system, nac is a transcriptional activator Mutations in ntrBC and nac result in small plaque formation in Henle cell monolayers compared to wild type bacteria. Gene expression studies were pursued to identify the genes regulated by these transcriptional regulators. A 9 array study using total RNA recovered from the wild type, ntrBC and nac mutant strains in three independent experiments. Bacterial RNA was isolated from infected Henle cells at four hours post-infection. Gene expression from the mutant strains was compared to that of wild type.

2014-05-09 | E-GEOD-49939 | biostudies-arrayexpress

Early Scanning of Nascent Polypeptides inside the Ribosomal Tunnel by NAC

Project description:In this study, NAC was UV-crosslinked using the photo-crosslinking amino acid p-benzoyl-L-phenylalanine (pBPA) in order to determine specific interaction sites of the alphaNAC N-terminus in the native protein structure. Furthermore, quantitative chemical crosslinking coupled to mass spectrometry (q-XL-MS) was used to compare crosslink abundances of a NAC mutant versus wild type NAC in order to determine the influence of the mutated motive on the structural dynamics of NAC.

2019-07-25 | PXD011995 | Pride

Potato NAC Transcription Factor StNAC053 Enhances Salt and Drought Tolerance in Transgenic Arabidopsis.

Project description: Not available

| S-EPMC7961516 | biostudies-literature

COLD SHOCK DOMAIN PROTEIN 3 is involved in salt and drought stress tolerance in Arabidopsis.

Project description: Not available

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Overexpression of OsNAC14 improves drought tolerance in rice

Project description:Plants have evolved to possess adaptation mechanism to cope with drought stress by reprograming transcriptional networks through drought responsive transcription factors, which in turn mediate morphological and physiological changes. NAM, ATAF1-2, and CUC2 (NAC) transcription factors are known to be associated with various developmental processes and stress tolerance. In this study, we functionally characterized the rice drought responsive NAC transcription factor OsNAC14. OsNAC14 was predominantly induced at meiosis stage, and induced by drought, high salinity, ABA and low temperature in leaves than roots. Overexpression of OsNAC14 resulted in drought tolerance at the vegetative growth stage and enhanced filling rate at vegetative growth. OsNAC14 overexpression elevated expression of genes related to DNA damage repair, defense response, strigolactone biosynthesis, which correlated with resistance to drought tolerance. Furthermore, OsNAC14 directly bound to the promoter of drought inducible OsRAD51A1, a key component in homologous recombination in DNA repair system. These results indicate that OsNAC14 mediate drought tolerance by recruiting factors involved in DNA damage repair and defense response to enable plant to protect from cellular damage caused by drought stress, thereby provide mechanism for drought tolerance.

2018-03-21 | GSE106150 | GEO

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