Research Focus

Cytoskeletal motor proteins generate the mechanical forces that are required for a vast array of critical biological processes. Research in our laboratory is focused on understanding actin-based motor proteins, collectively referred to as myosins. Present in all cells, these molecular machines transduce the energy derived from ATP hydrolysis into force and motion directed along actin filaments.


Work in our laboratory is guided by two general questions: (1) what are the specific cellular functions performed by a given myosin? and (2) how are these functions governed by that myosin’s biophysical properties? To answer these questions, our laboratory employs a unique combination of cell biological and biophysical approaches.  Our current studies are focusing on polarized cell types that are found throughout the body, including the enterocytes found in the intestinal mucosa and the hair cells that reside in the inner ear.  These cells possess specialized actin-rich domains that are home to a number of structurally and functionally distinct myosins.  The long term goal is to understand how myosin motors contribute to the critical physiological functions carried out by these unique cell types.


Click here to meet current Tyska Lab members.


Click here for directions to the lab.


Click here to see a listing of publications in NCBI’s PubMed.


Graduate students can enter the Tyska Laboratory through the Vanderbilt Interdisciplinary Graduate Program or the Vanderbilt Chemical and Physical Biology Program.  To learn about the availability of postdoctoral positions, contact Dr. Tyska directly.


Our laboratory is also affiliated with the Vanderbilt Cytoskeletal Dynamics Group, the VUMC Digestive Diseases Research Center, and the VUMC Epithelial Biology Center.

Contact

Tyska Lab, Rm. 3154 MRB III

Dept. of Cell and Developmental Biology

Vanderbilt University Medical Center

465 21st Ave. South, Nashville, TN 37232-8240

Lab phone: (615) 936-5504, Fax: (615) 936-5673

Email: Dr. Tyska

Lab News

Sept. 2, 2009

Congratulations to graduate student Jessica Mazerik for passing her qualifying exam!


August 18, 2009

Congratulations to graduate student David Shifrin for passing his qualifying exam!


August 15, 2009

The Tyska Lab moves into fantastic new space.  Check out these picts to see how clean and spacious our new home is...


June 11, 2009

Matt Tyska is awarded a Grant-in-Aid from the American Heart Association!


May 29, 2009

Dr. Raj Nambiar has a new P.N.A.S. paper in press: “Control of cell membrane tension by myosin-I”.


May 14, 2009

Russell McConnell has a new Journal of Cell Biology paper in press: “The enterocyte microvillus is a vesicle generating organelle”.  Check out the cover below, bottom right...


May 27, 2008

Andrew Benesh, Russell McConnell, and Dr. Raj Nambiar were each awarded fellowships from the American Heart Association...Thanks AHA!!


Feb 1, 2008

Dr. Raj Nambiar presents a platform talk on her studies at the Biophysical Society annual meeting.


Nov 2, 2007

Check out our new Biophysical J paper:

Human deafness mutation E385D disrupts...