个人介绍:
陈雪梅教授1988年获得北京大学生物学学士学位,1995年获得美国康奈尔大学生物化学博士学位,随后在加州理工学院进行博士后研究。1999年在罗格斯大学瓦克斯曼研究所担任助理教授,2005年晋升为副教授,并获得罗格斯大学董事会学术卓越研究奖。2005年转至加州大学河滨分校,任副教授,2009年晋升为正教授,2013年晋升为讲席教授。自2023年2月起,任金沙990线路检测(中国百科)有限公司-Gaming Group讲席教授、院长。2006年获美国植物生物学家协会颁发的查尔斯·阿尔伯特·舒尔奖,2011年当选为AAAS研究员,2012年至2018年任HHMI-GBMF研究员,2013年当选为美国国家科学院院士,2018年获得了南加州华裔科学家和工程师协会的成就奖,2023年获美国植物生物学家协会颁发的Martin Gibbs Medal, 2024年获得求是基金会的杰出科学家奖。研究方向是花的发育、植物小RNA和RNA修饰,代表性发现包括:鉴定了花发育关键基因HUA1/HUA2;是最早发现植物miRNA的三个团队之一,打破了miRNA仅为动物所特有的认知;揭示了miR172通过翻译抑制调控AP2的机制;克隆出甲基转移酶HEN1,阐明了miRNA 3′末端甲基化修饰及其保护作用,引领了植物和动物中3′端修饰的研究热潮;系统解析了miRNA从合成、修饰、翻译抑制到降解的全生命周期 。近年来研究方向拓展至RNA非经典加帽修饰领域,首次报道了植物中RNA新型NAD加帽修饰;发现细菌/古细菌TIR蛋白具有NAD-RNA脱帽酶活性,为抗病免疫机制提供了全新视角;鉴定并揭示了植物和动物中另一新型dpcoA帽子修饰的脱帽酶及其生物学功能,持续引领植物RNA表观遗传学的发展。先后主持美国NIH、NSF等多项科研项目,在国内外学术期刊已发表文章180余篇。目前担任Molecular Plant、The Plant Cell、National Science Review、PLoS Genetics等国际期刊的高级编委或编委会成员。
教育经历:
1984-1988 学士,北京大学
1989-1995 博士,美国康奈尔大学
工作经历:
2023- 院长,金沙990线路检测(中国百科)有限公司-Gaming Group
2023- 特聘教授,北京大学
2013-2023 特聘教授,加州大学河滨分校
2009-2013 教授,加州大学河滨分校
2005-2009 副教授,加州大学河滨分校
1999-2005 助理教授,美国罗格斯大学 (新泽西州立大学)
1995-1998 博士后,美国加州理工学院社会服务工作:
Keystone symposia Scientific Advisory Board, 2022-2025
Scientific Advisory Board, Max Planck Institute, Tubingen, 2023-2026
Gibbs Medal Committee, American Association of Plant Biologists, 2025
国家自然科学基金委员会第二届咨询委员会委员,2024荣誉奖励:
香港求是基金会求是杰出科学家奖,2024
美国植物生物学家学会马丁·吉布斯奖,2023
拜耳讲席教授,2023
南加州华人科学家与工程师协会成就奖,2018
当选美国国家科学院院士,2013
HHMI-GBMF研究员,2012–2018
当选美国科学促进会(AAAS)会士,2011
美国植物生物学家学会查尔斯·阿尔伯特·舒尔奖,2006
罗格斯大学董事会卓越学术研究奖学金,2005
March of Dimes Basil O'Connor启动学者研究奖,2000–2002
美国国立卫生研究院博士后奖学金,1995–1997
康奈尔大学植物科学中心奖学金,1991–1994
刘氏纪念奖(The Liu Memorial Award)及吴宪与吴严彩韵奖学金(The Hsien Wu and Daisy Yen Wu Scholarship),1992杂志任职:
Editorial Board member of Developmental Cell, 12/2024 - present
Senior editor, The Plant Cell, 04/2020 – present
Consulting Editor of PLOS Genetics, January 2016 - present
Editorial Board member of National Science Review 2015 – present
Editorial Board member of Molecular Plant, December 2014 – present
Editorial Board member of Science in China, 2014 - present
在早期研究中,针对植物花形态建成的基因调控机制展开探究,发现与RNA代谢相关的蛋白参与了花器官的分化过程。在此基础上,进一步发现其中部分蛋白参与了小RNA的代谢与功能发挥。此后,主要聚焦于小RNA的生物合成、降解及其作用机制的研究。近年来,则着重关注RNA非典型加帽修饰的机制与功能。
目前课题组研究方向主要包括:(1)小RNA的细胞间运输机制及其作为信号分子调控植物高温应答的功能研究,致力于通过解析miRNA作为细胞间信号分子参与植物热形态发生的分子机制,以应对气候变化对未来农作物性状和产量的影响;(2)RNA修饰及其功能研究以RNA非典型加帽修饰(如NAD, FAD, dpCoA 帽)与假尿嘧啶修饰为研究对象,开发检测鉴定以及高通量测序技术,解析修饰与去修饰机理、阐明其在植物发育与环境胁迫响应中发挥的生物学功能;(3)大豆花药发育及传粉机制,解析大豆花发育的分子机制,建立控制大豆花形和传粉习性的分子调控网络,通过分子设计改造大豆花形、并驯化大豆传粉习性实现高产杂交大豆的培育和利用;(4)基于RNA的农业技术开发及应用,开发miRNA或RNA修饰等分子工具, 通过农杆菌介导转化、纳米递送等方式,对作物的性状进行改良、或定向改造,从而提升粮食和经济作物的产量及品质。
Hao Hu, Qiyue Zhang, Xuan Ma, Hsu-Feng Chu, Han Wang, Yiwen Guo, Yuze Bai, Qianyu Wang, Zehao Li, Jiayi Zhao, Huiyuan Lin, Chenjiang You, Xing Li, Liang Tong, Xuemei Chen*. (2026). Quantification and transcriptome profiling reveal abundant, dynamic and translatable dephospho-CoA-capped RNAs. Nat Biotechnol. doi: 10.1038/s41587-026-03040-4.
Xufeng Wang, Brandon H Le, Ye Xu, Penglin Sun, Min Qiu, Yao Zhao, Lin Li, Min Wang, Kestrel Rogers, Yu Yu, Zhanyuan Zhang, Huixia Shou, Wenbo Ma, and Xuemei Chen*. (2026). Soybean RNA polymerases IV and V repress defense response genes and plant immunity. Plant Cell. 38, koag023.
Yu Yu, Han Wang, Chenjiang You, and Xuemei Chen*. (2026). Plant microRNA maturation and function. Nat. Rev. Mol. Cell Biol., 27, 55-70.
De Fan, Wei Hu, Nan Xu, Ethan R. Seto, John Clark Lagarias, Xuemei Chen*, and Meng Chen*. (2025). A multisensor high-temperature signaling framework for triggering daytime thermomorphogenesis in Arabidopsis. Nature Comm. 16, 5197.
Jing Li, Brandon Le, Ye Xu, Suikang Wang, Lei Gao, Beixin Mo, Lin Liu*, Xuemei Chen*. (2024). ALTERED MERISTEM PROGRAM1 impairs RNA silencing through repressing the biogenesis of inverted repeats-derived siRNAs in Arabidopsis. Plant Cell, 37:koae293.
Runlai Hang*,Hao Li, Runyu Wang, Hao Hu, Meng Chen, Chenjiang You* and Xuemei Chen*. (2024). HOT3/eIF5B1 confers Kozak motif-dependent translational control of photosynthesis-associated nuclear genes for chloroplast biogenesis. Nature Comm. 15, 9878.
Xufeng Wang, Dongli Yu, Jiancheng Yu, Hao Hu, Runlai Hang, Zachary Amador, Qi Chen, Jijie Chai, and Xuemei Chen*. (2024). Toll/interleukin-1 receptor (TIR) domain-containing proteins have NAD-RNA decapping activity. Nature Comm. 15, 2261.
Qing Sang, Lusheng Fan, Tianxiang Liu, YongjianQiu, Juan Du, Beixin Mo, Meng Chen*, and Xuemei Chen*. (2023). MicroRNA156 conditions auxin sensitivity to enable growth plasticity in response to environmental changes in Arabidopsis. Nature Comm. 14, 1449.
Yuan Wang, Brandon H. Le, Jianqiang Wang, Chenjiang You, Yonghui Zhao, Mary Galli, Ye Xu, Andrea Gallavotti, Thomas Eulgem, Beixin Mo*, and Xuemei Chen*. (2022). ZMP recruits and excludes Pol IV-mediated DNA methylation in a site-specific manner. Science Advances 8, eadc9454
Lusheng Fan, Cui Zhang, Yong Zhang, Ethan Stewart, Jakub Jez, Keiji Nakajima, and Xuemei Chen*. (2022). Microtubules promote the non-cell autonomous action of microRNAs by inhibiting their cytoplasmic loading onto ARGONAUTE1 in Arabidopsis. Dev. Cell. 57, 995-1008.
Xuemei Chen* and Oded Rechavi*. (2021). Plant and animal small RNA communications between cells and organisms. Nature Rev. Mol. Cell Biol. 23, 85–203.
Hao Hu, Nora Flynn, Hailei Zhang, Chenjiang You, Runlai Hang, Xufeng Wang, Huan Zhong, Zhulong Chan, Yiji Xia*, and Xuemei Chen*. (2021). SPAAC-NAD-seq, a sensitive and accurate method to profile NAD+-capped transcripts. PNAS 118 (13) e2025595118.
Yuan Wang, Shaofang Li, Yonghui Zhao, Chenjiang You, Brandon Le, Zhizhong Gong, Beixin Mo, Yiji Xia and Xuemei Chen*. (2019). NAD+-capped RNAs are widespread in the Arabidopsis transcriptome and can probably be translated. PNAS 116, 12094-12102
Zhenxia Su, Lihua Zhao, Yuanyuan Zhao, Shaofang Li, So Youn Won, Hanyang Cai, Lulu Wang, Zhenfang Li, Yuan Qin*, and Xuemei Chen*. (2017). The THO complex non-cell autonomously represses female germline specification through the TAS3-ARF3 module. Current Biology 27, 1597–1609.
Yu Yu, Lijuan Ji, Brandon Le, Jixian Zhai, Jiayi Chen, Elizabeth Luscher, Lei Gao, Chunyan Liu, Xiaofeng Cao, Beixin Mo, Jinbiao Ma, Blake C. Meyers, and Xuemei Chen*. (2017). ARGONAUTE10 promotes the degradation of miR165/6 through the SDN1 and SDN2 exonucleases in Arabidopsis. PLoS Biology 15(2): e2001272.
Shengben Li, Lin Liu, Xiaohong Zhuang, Yu Yu, Xigang Liu, Xia Cui, Lijuan Ji, Zhiqiang Pan, Xiaofeng Cao, Beixin Mo, Fuchun Zhang, Natasha Raikhel, Liwen Jiang, and Xuemei Chen*. (2013). microRNAs inhibit the translation of target mRNAs on the endoplasmic reticulum in Arabidopsis. Cell 153, 562-574.
Yuanyuan Zhao, Yu Yu, Jixian Zhai, Vanitharani Ramachandran, Thanh Theresa Dinh, Blake C. Meyers, Beixin Mo*, and Xuemei Chen*. (2012). The Arabidopsis nucleotidyl transferase HESO1 uridylates unmethylated small RNAs to trigger their degradation. Current Biology 22, 689-694.
Vanitharani Ramachandran and Xuemei Chen*. (2008). Degradation of microRNAs by a family of exoribonucleases in Arabidopsis. Science 321, 1490-1492.
Junjie Li, Zhiyong Yang, Bin Yu, Jun Liu, and Xuemei Chen*. (2005). Methylation protects miRNAs and siRNAs from a 3’ end uridylation activity in Arabidopsis. Current Biology 15, 1501-1507.
Bin Yu, Zhiyong Yang, Junjie Li, Svetlana Minakhina, Maocheng Yang, Richard W. Padgett, Ruth Steward, and Xuemei Chen*. (2005). Methylation as a crucial step in plant microRNA biogenesis. Science 307, 932-935.
Xuemei Chen*. (2004). A microRNA as a translational repressor of APETALA2 in Arabidopsis flower development. Science 303, 2022-2025.