1．植物激素茉莉酸调控植物生长发育及抗性的机理

     茉莉酸是高等植物中普遍存在的一种植物激素，调控植物生长发育的诸多方面。我们发现很多植物中的生理现象是由茉莉酸与其它植物激素共同调控的。例如，当植物经常受到接触性刺激（风吹，雨淋，触摸），植物会长得更加矮小。我们发现这是茉莉酸与赤霉素共同调控的结果。我们将通过遗传学，分子生物学，结合多种组学及高灵敏的化学分析手段，深度剖析茉莉酸与其他激素共同调控多种生理过程的分子机理。

2.植物和昆虫的相互作用

     虫害是农业生产上面临的一个极其严峻的问题。每年虫害造成大量的农作物减产。虽然施加农药能部分解决虫害问题，但农药也造成的较严重的环境问题。在进化过程中，不同的植物物种形成了非常多样的防卫机制。研究与了解植物自身的抗虫机制，不但是植物学基础研究的一部分，而且对达到使用育种与转基因方式增加植物抗虫能力而起到生物防治的目的有重要意义。
     茉莉酸(jasmonic acid, JA)是植物中最重要的调控防御昆虫侵食反应的激素之  在野生二倍体烟草Nicotiana attenuata(N.attenuata)受到专食性的鳞翅目昆虫Manduca sexta(M.sexta)袭击后，植物能通过某种未知的受体感受到昆虫咬食时分泌到植物伤口处口水中的fatty acid-amino acid conjugates化合物，从而在30分钟内合成出大量茉莉酸。当沉默茉莉酸生物合成或信号感受的关键基因后，植物对于昆虫的抗性大大降低，表现为这些植物上进食的昆虫生长速度比在野生型植物上生长的昆虫有很大提高。
     我们将以N.attenuata与M.sexta为研究模型，利用反向遗传学和高灵敏化学分析手段，研究茉莉酸及其前体和衍生物作为信号分子在植物抗虫反应中的功能，以及植物如何感受，传递，代谢这些信号物质。我们还将进一步扩大范围，研究某些重要的农作物（如玉米，马铃薯）抵御昆虫袭击的分子机制。

   

071010-生物化学与分子生物学
071001-植物学

植物与昆虫相互作用
茉莉酸信号途径

2001-09--2005-06 中国科学院遗传与发育生物学研究所 发育生物学 博士
1998-09--2001-07 中山大学生命科学学院 植物学 硕士
1994-09--1998-07 兰州大学生物系 生物化学 学士

   

2011-12--今 中国科学院昆明植物研究所 副研究员
2005-08--2007-08 德国马普化学生态所 博士后

   

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[2] 王蕾, 马灿容. 一种提高烟草抗虫性的方法. CN: CN107690879A, 2018-02-16.

   

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（ 1 ） 转录因子MYC2在玉米抗虫中的功能研究, 主持, 部委级, 2014-03--2017-03
（ 2 ） 茉莉酸与赤霉素互作调控接触性形态建成的分子机理研究, 主持, 国家级, 2015-01--2018-12

现指导学生

罗辑  硕士研究生  071010-生物化学与分子生物学  

王双华  硕士研究生  071010-生物化学与分子生物学  

马灿容  硕士研究生  071010-生物化学与分子生物学  

杨飞  硕士研究生  085238-生物工程