Multicellular Animals Evolution Revealed

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multicellularity

Phys Org

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Science

From single cells to complex creatures: New study points to origins of animal multicellularity

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90% Informative

University of Chicago study provides new view into key innovations that allowed modern, multicellular animals to emerge.

Researchers found that animals evolved a more sophisticated mechanism for cell division that also contributes to developing multi-tissue tissues and the germline.

Scientists already know that the proteins that serve these functions evolved in single-celled organisms, well before animal life emerged.

"Maybe multicellular life evolved because of a genetic change that prevented cells from fully separating," Glotzer said.

"A mutation that disrupted the assembly of centralspindlin is what allowed my colleagues and me to find these proteins in the first place," he said.

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