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A gene's chromosomal position and local chromatin structure can have profound consequences for its expression. We are interested in all aspects of these chromosomal and chromatin effects because they underlie epigenetic processes that are critical for normal growth and development. We are particularly focused on the form of chromatin regulation known as transcriptional silencing and study its effects on yeast and human genes.
Chromatin is controlled by post-translational modification of its core subunits, the histones, and other transcriptional factors. The enzymes catalyzing these modifications include acetyltransferases, (HATs), deacetylases (HDACs), methyltransferases (MTs), kinases, and others. The enzymes work together to promote dynamic patterns of modification that help to specify epigenetic processes. We study several classes of the chromatin modifying enzymes to understand the range of their in vivo functions, including mechanisms of their activity, genomic targeting, and interaction with transcriptional and DNA repair complexes. Our experimental approaches include genetic, genomic and biochemical strategies to understand the MYST family HATs, the SIR2 family HDACs, and several classes of evolutionarily conserved MTs.
Chromatin is controlled by post-translational modification of its core subunits, the histones, and other transcriptional factors. The enzymes catalyzing these modifications include acetyltransferases, (HATs), deacetylases (HDACs), methyltransferases (MTs), kinases, and others. The enzymes work together to promote dynamic patterns of modification that help to specify epigenetic processes. We study several classes of the chromatin modifying enzymes to understand the range of their in vivo functions, including mechanisms of their activity, genomic targeting, and interaction with transcriptional and DNA repair complexes. Our experimental approaches include genetic, genomic and biochemical strategies to understand the MYST family HATs, the SIR2 family HDACs, and several classes of evolutionarily conserved MTs.
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论文共 79 篇作者统计合作学者相似作者
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Scienceno. 6643 (2023): 376-381
Julie Paxman,Zhen Zhou, Richard O'Laughlin,Yuting Liu,Yang Li, Wanying Tian,Hetian Su,Yanfei Jiang,Shayna E Holness,Elizabeth Stasiowski,Lev S Tsimring,Lorraine Pillus,
eLife (2022)
biorxiv(2021)
Yang Li,Yanfei Jiang, Julie Paxman,Richard O'Laughlin,Stephen Klepin, Yuelian Zhu,Lorraine Pillus,Lev S Tsimring,Jeff Hasty,Nan Hao
Nan Hao,Yang Li,Yanfei Jiang,Julie Paxman, Richard O’Laughlin,Lorraine Pillus,Lev Tsimring,Jeff Hasty
mag(2019)
Meng Jin,Yang Li, Richard O’Laughlin,Philip Bittihn,Lorraine Pillus,Lev S. Tsimring,Jeff Hasty, Nan Hao
semanticscholar(2019)
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