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Membrane fusion a mystery no more
Date:1/24/2012

r complex," Peters said. "This new acceptor SNARE-complex incorporates the single SNARE that has separated from another vesicle and the two vesicles are in position to fuse."

Researchers found that when this tethering factor was removed, the SNARE proteins were unstable and there was no fusion.

"This finding deals with one of the most fundamental reactions in a cell, how membranes fuse with each other. It is important to understand how this works, because when these events go wrong, either accelerating or slowing down, then it can affect certain disorders such as tumor formation," Peters said. "By using our physiological yeast fusion model, the impact of these tethering factors on the SNARE topology can be investigated, along with the many other factors that come into play. This was not the case in the artificial liposome models used in the past."


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Contact: Graciela Gutierrez
ggutierr@bcm.edu
713-798-4710
Baylor College of Medicine
Source:Eurekalert

Page: 1 2

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