Multicellular Yeast

Yeast selected to settle more quickly through a test tube evolved into multicellular, snowflake-like clusters in just 2 weeks, or about 100 generations. 

Jef Akst
Jef Akst

Jef Akst is managing editor of The Scientist, where she started as an intern in 2009 after receiving a master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses.

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Jan 16, 2012

Yeast selected to settle more quickly through a test tube evolved into multicellular, snowflake-like clusters in just 2 weeks, or about 100 generations. The clusters evolved to be larger, produce multicellular progeny, and even show differentiation of the cells within the cluster—all key characteristics of multicellular organisms.

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