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Press Release 12-009
Biologists Replicate Key Evolutionary Step in Life on Earth
Follow how single-celled organisms began forming multi-cellular clusters
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Green cells are undergoing cell death, a cellular division-of-labor--fostering new life.
Credit: Will Ratcliff and Mike Travisano |
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Multi-cellular 'snowflake' yeast images with a blue cell-wall stain and red dead-cell stain.
Credit: Will Ratcliff and Mike Travisano |
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First steps in the transition to multi-cellularity: 'snowflake' yeast with dead cells stained red.
Credit: Will Ratcliff and Mike Travisano |
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A multi-cellular yeast consisting of hundreds of cells.
Credit: Will Ratcliff and Mike Travisano |
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Multi-cellular yeast individuals containing central dead cells, which promote reproduction.
Credit: Will Ratcliff and Mike Travisano |
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Aberrant shapes of multi-cellular yeast's dead cells: break points for reproduction.
Credit: Will Ratcliff and Mike Travisano |
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