Researchers have discovered a mechanism steering the evolution of multicellular life. They identified how altered protein folding drives multicellular evolution.
In a new study led by researchers from the University of Helsinki and the Georgia Institute of Technology, scientists turned to a tool called. In the ongoing Multicellularity Long Term Evolution Experiment , laboratory yeast are evolving novel multicellular functions, enabling researchers to investigate how they arise.
"Hsp90 has long been known to stabilize proteins and help them fold properly," explains lead author Kristopher Montrose, from the Helsinki Institute of Life Science, Finland."What we've found is that slight alterations in how Hsp90 operates can have profound effects not just on single cells, but on the very nature of multicellular organisms."From an evolutionary perspective, this work highlights the power of non-genetic mechanisms in rapid evolutionary change.
Researchers find that oxygenation of Earth's surface is key to the evolution of large, complex multicellular organisms. If cells can access oxygen, they get a big metabolic benefit. However, when ...
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