Snowdrift game dynamics and facultative cheating in yeast [Nature]


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送交者: Wood 于 2009-05-13, 13:27:57:

Yeast secrete invertase to break down sucrose into monosaccharides that they can metabolize. However, 99% of the monosaccharides diffuse away where they can be used by other yeast cells, making this a cooperative behaviour that is susceptible to cheating by cells that do not secrete invertase. Here this is shown to be a snowdrift game, in which cheating can be profitable, but is not necessarily the best strategy if others are cheating too.

Jeff Gore, Hyun Youk & Alexander van Oudenaarden

doi:10.1038/nature07921




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