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Physics Colloquium, "Building a Proportional Cell: Lessons from Physics"
Start Date: 4/26/2017Start Time: 4:00 PM
End Date: 4/26/2017End Time: 5:00 PM
This event recurs on a custom schedule.   Click here to see the series dates.
Event Description:
Presented by: Jané Kondev, Brandeis University

Abstract: The inside of a living cell is spatially organized into different functional structures called organelles. For example, the nucleus is a membrane bound compartment that contains the cell's DNA, while the cytoskeleton is made up of dynamic protein fibers which allow cells to move and change shape.
Gulliver noticed 140 years ago that the size of the cell's nucleus is proportional to the size of the cell. Similar observations have been made about other micron-sale structures within the cell. These experiments suggest that cells measure and control the size of their organelles, and they raise a simple question: How does the cell establish a micron-scale ruler with nothing more at its disposal than nanometer-sized molecules that diffuse around the cell and on occasion bump into each other? In this talk I will describe quantitative experiments and related theory that are beginning to reveal general principles of how cells control the size of their organelles.

Coffee, tea and cookies will be available in DUAN G1B31 beginning at 3:45 p.m.
Contact Information:
Name: Department of Physics
Phone: 303-492-6952
Email: physics@colorado.edu
This event is open to
  • Students
  • Faculty
  • Staff
  • Graduate Students
  • Alumni

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