Comprehensive Genomic Analysis and Expression Profiling of the NOX Gene Families under Abiotic Stresses and Hormones in Plants
文献类型: 外文期刊
作者: Chang, Yan-Li 1 ; Li, Wen-Yan 2 ; Miao, Hai 1 ; Yang, Shuai-Qi 1 ; Li, Ri 1 ; Wang, Xiang 1 ; Li, Wen-Qiang 1 ; Chen, Kun 1 ;
作者机构: 1.Northwest A&F Univ, Coll Life Sci, State Key Lab Crop Stress Biol Arid Areas, Yangling, Shaanxi, Peoples R China
2.Guangdong Acad Agr Sci, Argobiol Gene Res Ctr, Guangzhou, Guangdong, Peoples R China
关键词: NADPH oxidase (NOX);phylogenetic analysis;abiotic stress;hormone;coexpression
期刊名称:GENOME BIOLOGY AND EVOLUTION ( 影响因子:3.416; 五年影响因子:4.079 )
ISSN: 1759-6653
年卷期: 2016 年 8 卷 3 期
页码:
收录情况: SCI
摘要: Plasma membrane NADPH oxidases (NOXs) are key producers of reactive oxygen species under both normal and stress conditions in plants and they form functional subfamilies. Studies of these subfamilies indicated that they show considerable evolutionary selection. We performed a comparative genomic analysis that identified 50 ferric reduction oxidases (FRO) and 77 NOX gene homologs from 20 species representing the eight major plant lineages within the supergroup Plantae: glaucophytes, rhodophytes, chlorophytes, bryophytes, lycophytes, gymnosperms, monocots, and eudicots. Phylogenetic and structural analysis classified these FRO and NOX genes into four well-conserved groups represented as NOX, FRO I, FRO II, and FRO III. Further analysis of NOXs of phylogenetic and exon/intron structures showed that single intron loss and gain had occurred, yielding the diversified gene structures during the evolution of NOXs family genes and which were classified into four conserved subfamilies which are represented as Sub. I, Sub. II, Sub. III, and Sub.IV. Additionally, both available global microarray data analysis and quantitative real-time PCR experiments revealed that the NOX genes in Arabidopsis and rice (Oryza sativa) have different expression patterns in different developmental stages, various abiotic stresses and hormone treatments. Finally, coexpression network analysis of NOX genes in Arabidopsis and rice revealed that NOXs have significantly correlated expression profiles with genes which are involved in plants metabolic and resistance progresses. All these results suggest that NOX family underscores the functional diversity and divergence in plants. This finding will facilitate further studies of the NOX family and provide valuable information for functional validation of this family in plants.
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