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eukaryotes

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

Biologists Discover Unknown Powers in Mighty Mitochondria

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.

Abstractions blog

What a Newfound Kingdom Means for the Tree of Life

Neither animal, plant, fungus nor familiar protozoan, a strange microbe that sits in its own “supra-kingdom” of life foretells incredible biodiversity yet to be discovered by new sequencing technologies.

genetics

Tiny Genomes and the Origin of Complex Cells

Symbiotic bacteria that dwell within insect cells are intricately intertwined with their hosts, prompting scientists to question when these bacteria stop being bona fide organisms and become part of the cell.