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organelles

Art for "Researchers Rethink Ancestry of Complex Cells"
evolution

Researchers Rethink the Ancestry of Complex Cells

By Christie Wilcox
April 9, 2019
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New studies revise ideas about the symbiosis that gave mitochondria to cells and about whether the last common ancestor of all eukaryotes was one cell or many.

Art for "Mitochondria Direct the Fate of Stem Cells by Shape-Shifting"
developmental biology

Biologists Discover Unknown Powers in Mighty Mitochondria

By Diana Kwon
March 18, 2019
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Mitochondria are most famous as sources of metabolic energy. But by splitting and combining, they can also release chemical signals to regulate cell activities, including the generation of neurons.

cell biology

The Secret Power of the Cell’s Waste Bin

By Esther Landhuis
April 25, 2017
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Trash collectors in the cell moonlight at the controls of the genetic machinery.


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