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当前位置: 首页 > 文章 > 油橄榄WRKY转录因子的全基因组鉴定与分析 福建农林大学学报(自然科学版) 2021 (6) 759-766
Position: Home > Articles > 油橄榄WRKY转录因子的全基因组鉴定与分析 Journal of Fujian Agriculture and Forestry University(Natural Science Edition) 2021 (6) 759-766

油橄榄WRKY转录因子的全基因组鉴定与分析

作  者：
王丽娟;王毅;胡青;陆斌;李贤忠;赵川;赵敏;冯发玉
单  位：
云南省林业和草原科学院云南省森林植物培育与开发利用重点实验室/国家林业局云南珍稀濒特森林植物保护和繁育重点实验室;西南林业大学林学院
关键词：
油橄榄;WRKY转录因子;生物信息学;基因表达谱;水分胁迫;
摘  要：
以干旱和水淹胁迫下的‘佛奥’和‘TYZ-1号’2个品种苗木为试材,基于油橄榄全基因组数据,鉴定出106个油橄榄WRKYGQK七肽结构蛋白（WRKY）基因家族成员.利用生物信息学软件进行结构和功能预测,结合油橄榄水分（干旱、水淹）胁迫基因表达谱,分析出7个WRKY转录因子（WRKY14、WRKY51、WRKY77、WRKY91、WRKY66、WRKY1、WRKY92）在‘佛奥’和‘TYZ-1号’中均有高度表达且共同参与干旱和水淹胁迫调控,推测这7个基因可能是油橄榄水分胁迫的主要调节因子.将WRKY蛋白与已知干旱调控的WRKY转录因子构建系统进化树,结果显示,7个与胁迫相关的转录因子中的4个（WRKY14、WRKY51、WRKY91、WRKY92）与已知干旱调控的WRKY基因相似度更高,推测这4个WRKY转录因子可能是参与‘TYZ-1号’干旱调控的主要基因.
作  者：
WANG Lijuan;WANG Yi;HU Qing;LU Bin;LI Xianzhong;ZHAO Chuan;ZHAO Min;FENG Fayu;College of Forestry, Southwest Forestry University;Laboratory of Forest Plant Cultivation and Utilization, Yunnan Academy of Forestry and Grassland Science/Key Laboratory of Rare and Endangered Forest Plants of State Forestry Administration;
关键词：
olive;;WRKY transcription factor;;bioinformatics;;gene expression profile;;water stress
摘  要：
106 members of the gene family encoding WRKYGQK heptapeptide structural protein(WRKY) transcription factors were identified based on the genomic data of 2 cultivars of Olea europaea L., ‘Frantoio' and ‘TYZ-1', under drought and waterlogging stress. Based on the structure and function of olive WRKY transcription factors predicted using bioinformatics software and the gene expression profile under drought and waterlogging conditions, 7 WRKY transcription factors(WRKY14, WRKY51, WRKY77, WRKY91, WRKY66, WRKY1, and WRKY92) which were highly expressed in ‘Frantoio' and ‘TYZ-1' were considered to be the main regulatory factors for olive under water stress. According to the phylogenetic tree of WRKY proteins from olive and Arabidopsis, 4 WRKY(WRKY14, WRKY51, WRKY91, and WRKY92) showed high levels of similarities with Arabidopsis WRKY transcription factors, which were known to be involved under drought stress. Therefore, it can be speculated that the 4 WRKY transcription factors were the main genes involved in drought regulation of ‘TYZ-1'.

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