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C14 族R2R3鄄MYB 基因调控杨树抗锈菌过敏性反应

牛春阳 王峰 李丹蕾 陈俏丽 张瑞芝

牛春阳, 王峰, 李丹蕾, 陈俏丽, 张瑞芝. C14 族R2R3鄄MYB 基因调控杨树抗锈菌过敏性反应[J]. 北京林业大学学报, 2016, 38(7): 25-32. doi: 10.13332/j.1000-1522.20150499
引用本文: 牛春阳, 王峰, 李丹蕾, 陈俏丽, 张瑞芝. C14 族R2R3鄄MYB 基因调控杨树抗锈菌过敏性反应[J]. 北京林业大学学报, 2016, 38(7): 25-32. doi: 10.13332/j.1000-1522.20150499
NIU Chun-yang, WANG Feng, LI Dan-lei, CHEN Qiao-li, ZHANG Rui-zhi.. Impact of clade 14 R2R3-MYB genes on hypersensitive response of the poplar infected with Melampsora larici-populina.[J]. Journal of Beijing Forestry University, 2016, 38(7): 25-32. doi: 10.13332/j.1000-1522.20150499
Citation: NIU Chun-yang, WANG Feng, LI Dan-lei, CHEN Qiao-li, ZHANG Rui-zhi.. Impact of clade 14 R2R3-MYB genes on hypersensitive response of the poplar infected with Melampsora larici-populina.[J]. Journal of Beijing Forestry University, 2016, 38(7): 25-32. doi: 10.13332/j.1000-1522.20150499

C14 族R2R3鄄MYB 基因调控杨树抗锈菌过敏性反应

doi: 10.13332/j.1000-1522.20150499
基金项目: 

国家自然科学基金项目(31500524)、中央高校基本科研业务费专项(2572015EY02、2572015CA09、2572016CA04)、黑龙江省博士后基金(LBH-Z11248)、高等学校博士学科点专项科研基金(博士点新教师基金20100062120002)。

详细信息
    作者简介:

    牛春阳。主要研究方向:森林病理。Email:714720602@qq.com地址:150040黑龙江省哈尔滨市香坊区和兴路26号东北林业大学林学院。责任作者:李丹蕾,副教授。主要研究方向:森林保护。Email:danleili@nefu.edu.cn地址:同上。

    牛春阳。主要研究方向:森林病理。Email:714720602@qq.com地址:150040黑龙江省哈尔滨市香坊区和兴路26号东北林业大学林学院。责任作者:李丹蕾,副教授。主要研究方向:森林保护。Email:danleili@nefu.edu.cn地址:同上。

Impact of clade 14 R2R3-MYB genes on hypersensitive response of the poplar infected with Melampsora larici-populina.

  • 摘要: 由落叶松-杨栅锈菌引起的杨树叶锈病分布广泛,危害严重。为探究杨树C14族R2R3-MYB基因在杨树抗锈菌过敏性反应中的调控作用,对接种了落叶松-杨栅锈菌E4强致病性生理小种的2种杨树叶片进行症状观察、感病指数判定并对2种杨树C14族共6条R2R3-MYB基因表达量变化情况进行分析。接种7 dpi后,弱感病性树种杂交杨叶片产生的夏孢子堆数量显著少于感病树种欧美杨。杂交杨叶片4 dpi开始出现过敏性反应症状,欧美杨未观察到类似症状。表明过敏性反应可有效阻止锈菌夏孢子堆形成,降低杨树感病性。杂交杨与欧美杨R2R3-MYB基因表达量变化趋势相反,预测杨树C14族R2R3-MYB基因为杨树与病原互作过程中调控过敏性反应的正向调控因子。本研究为进一步系统研究杨树R2R3-MYB基因与过敏性反应的调控机理及杨树抗病育种工作提供理论依据。

     

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  • 收稿日期:  2015-12-14
  • 刊出日期:  2016-07-30

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