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EVENT DESCRIPTION  
 
Event Type:  Lecture (This is an NIH Science event)
 
Title:  Cell and genome organization in mitosis, development, and homeostasis
 
Description:  I began my research career studying how microtubules regulate various cellular processes, especially microtubule assembly, mitotic spindle assembly, and chromosome segregation. As a PhD student in Dr. Berl Oakley’s lab, my study of g-tubulin has inspired me to use biochemical approaches to investigate the mechanism of microtubule nucleation as a postdoctoral fellow in Drs. Bruce Alberts and Tim Mitchison’s labs at UCSF. This has led to the discovery of the g-tubulin ring complex (gTuRC) and the demonstration of its microtubule-nucleating activity from purified tubulins. After establishing my lab, we discovered the role of RanGTPase in regulating spindle assembly in mitosis. Our more recent study of the mitotic spindle matrix has led to the finding that the nuclear lamin-B is part of the spindle matrix. We show that lamin-B plays a role in mitotic spindle morphogenesis and spindle orientation. In recent years, our research has expanded into studying the role of lamins in the interphase nucleus. By analyzing lamin deletions in mice, mouse ES cells, and various Drosophila stem cells, we have shown that lamins play important roles in organogenesis during development. Additionally, we show that lamin-B prevents immunosenescence and system inflammation upon organismal aging by maintaining the heterochromatin in immune organs.
 
Series Name:  Wednesday Afternoon Lecture Series
 
Event URL:  https://oir.nih.gov/wals
 
Videocast:  Event will be videocast LIVE on the Web
 
Videocast URL:  http://videocast.nih.gov
  Event will be available in the videocast ARCHIVE
 
Special Instructions:  Continuing Medical Education (CME) event
 
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EVENT DATE/TIME  
 
Date/Time: 
Wednesday, June 20, 2018   3:00pm - 4:00pm Add To Outlook Calendar     Add To iCal Calendar     Add To Entourage Calendar
 
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EVENT SPEAKER(S)  
 
Name:   Yixian Zheng, Ph.D.
Title:   Investigator
Organization:   Carnegie Institution for Science
 

EVENT SPONSOR(S)  
 
Organization(s):  [NIH] Office of the Director (OD)
 

EVENT LOCATION  
 
Location:  On the main NIH Campus
Building:  10
Room:  Masur Auditorium
 
 

EVENT CONTACT(S)  
 
Name:   Jacqueline Roberts
E-mail:   robertsjm@od.nih.gov
Phone:   301-594-6747
 
 
 
 
 
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