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Geneticist reveals molecular view of key epigenetic regulator

Date:
December 15, 2009
Source:
University of British Columbia
Summary:
New research reveals the structure and function of a key player in regulating chromatin in yeast and humans.

In a paper published in the journal Proceedings of the National Academy of Sciences, Dr. Michael Kobor's laboratory reported the structure and function of a key player in regulating chromatin in yeast and humans. Chromatin, a dynamic DNA-protein complex, is involved in numerous cellular processes and has profound effects on human health and disease.

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The study is a major advancement in elucidating the role and structure of an epigenetic regulator commonly involved in human leukemia and other human diseases.

Chromatin biology is central to epigenetics, which is a framework for environmental regulation of genome function. The chromatin regulator Yaf9 contains a module called the YEATS domain, which is found in many other proteins implicated in chromatin regulation and cancer. The molecular structure and function of YEATS domain proteins has been an unresolved mystery in the field of epigenetics. Using advanced X-ray crystallography, the team gained the first detailed picture at atomic resolution of the YEATS domain.

Furthermore, the authors showed that its function is conserved from yeast to human, and revealed a requirement of the YEATS domain for two different mechanisms by which chromatin can be modified.

Alice Wang and Julia Schulze, two PhD candidates in Dr. Kobor's laboratory, performed this work in collaboration with researchers at the University of California, Berkeley.


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The above story is based on materials provided by University of British Columbia. Note: Materials may be edited for content and length.


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University of British Columbia. "Geneticist reveals molecular view of key epigenetic regulator." ScienceDaily. ScienceDaily, 15 December 2009. <www.sciencedaily.com/releases/2009/12/091209134910.htm>.
University of British Columbia. (2009, December 15). Geneticist reveals molecular view of key epigenetic regulator. ScienceDaily. Retrieved March 5, 2015 from www.sciencedaily.com/releases/2009/12/091209134910.htm
University of British Columbia. "Geneticist reveals molecular view of key epigenetic regulator." ScienceDaily. www.sciencedaily.com/releases/2009/12/091209134910.htm (accessed March 5, 2015).

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