TaNF-YB11,a gene of NF-Y transcription factor family in Triticum aestivum,confers drought tolerance on plants via modulating osmolyte accumulation and reactive oxygen species homeostasis
TaNF-YB11, a gene of NF-Y transcription factor family in Triticum aestivum, confers drought tolerance on plants via modulating osmolyte accumulation and reactive oxygen species homeostasis作者机构：State Key Laboratory of North China Crop Improvement and RegulationHebei Agricultural University/College of AgronomyHebei Agricultural UniversityBaoding 071001P.R.China
出 版 物：《Journal of Integrative Agriculture》 (农业科学学报（英文版）)
年 卷 期：2022年第21卷第11期
页 面：3114-3130页
核心收录：
基 金：supported by the National Natural Science Foundation of China(31872869) the State Key Laboratory of North China Crop Improvement and Regulation(NCCIR2022ZZ-7) the National Key R&DProgram of China(SQ2022YFD1200002) the Science and Technology Planning Project of Hebei Province,China(216Z6401G) the Postgraduate Innovation Funding Project of Hebei Province,China(CXZZSS2021071)
主 题：wheat(Triticum aestivum L.) NF-YB transcription factor drought stress osmolyte accumulation reactive oxygen species(ROS)scavenging
摘 要：Transcription factors(TFs)regulate diverse stress defensive-associated physiological processes and plant stress *** characterized TaNF-YB11,a gene of the NF-YB TF family in Triticum aestivum,in mediating plant drought ***-YB11 harbors the conserved domains specified by its NF-YB partners and targets the nucleus after the endoplasmic reticulum(ER)*** two-hybrid assay indicated the interactions of TaNF-YB11 with TaNF-YA2 and TaNF-YC3,two proteins encoded by genes in the NF-YA and NF-YC families,*** results suggested that the heterotrimer established among them further regulated downstream genes at the transcriptional *** transcripts of TaNF-YB11 were promoted in roots and leaves under a 27-h drought ***,its upregulated expression levels under drought were gradually restored following a recovery treatment,suggesting its involvement in plant drought ***-YB11 conferred improved drought tolerance on plants;the lines overexpressing target gene displayed improved phenotype and biomass compared with wild type(WT)under drought treatments due to enhancement of stomata closing,osmolyte accumulation,and cellular reactive oxygen species(ROS)*** expression of TaP5CS2,a P5CS family gene modulating proline biosynthesis that showed upregulated expression in drought-challenged TaNF-YB11 lines,alleviated proline accumulation of plants treated by ***,TaSOD2 and TaCAT3,two genes encoding superoxide dismutase(SOD)and catalase(CAT)that were upregulated underlying TaNF-YB11 regulation,played critical roles in ROS homeostasis via regulating SOD and CAT ***-seq analysis revealed that numerous genes associated with processes of‘cellular processes ,‘environmental information processing ,‘genetic information processing ,‘metabolism ,and‘organismal systems modified transcription under drought underlying control of *** results suggested that the TaNF-YB11-mediated droug
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