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2. Institute of Grassland, Flowers and Landscape Ecology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309575125930967910, articleId=1309575125658338149, tenantId=1146029695717560320, journalId=1308397196074385509, language=CN, title=狼尾草WRKY基因家族全基因组鉴定与冷胁迫表达分析, columnId=1309565024058835950, journalTitle=草地学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=为解析高抗寒性狼尾草（Pennisetum alopecuroides） WRKY基因家族的分子特征及其在冷胁迫响应中的作用，本研究采用全基因组与转录组联合分析，对 WRKY 基因家族进行系统鉴定、进化分析及冷胁迫表达模式研究。结果表明：共鉴定出104个含完整 WRKY 结构域的 PaWRKY 基因，这些基因不均匀分布于9条染色体；编码蛋白均为亲水蛋白，多数体外稳定性较弱，易降解。经系统进化分析，将其分为7个亚族，Ⅱc 亚族成员最多，共预测10个核心保守基序；该家族与粳稻存在广泛同源共线性关系。PaWRKY 基因启动子区富集大量逆境与激素响应顺式作用元件。转录组数据表明，8个 PaWRKY 基因在冷胁迫下出现差异表达，其中4个上调，4个下调，且均含有茉莉酸甲酯响应元件。本研究明确了狼尾草 WRKY 家族的分子与进化特征，筛选获得冷胁迫响应关键基因，为狼尾草抗寒分子育种及黍亚科 WRKY 家族进化研究提供理论依据。, authors=史志福^1,2, 王鑫², 岳跃森², 滕珂², 周仂², 刘凌云², 袁苏凡², 范希峰², 穆娜², authorsList=史志福, 王鑫, 岳跃森, 滕珂, 周仂, 刘凌云, 袁苏凡, 范希峰, 穆娜, authorCompany=1 北京农学院, 北京 102206;
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