Researchers identify the signaling program that enables finger and toenail stem cells to direct digit regeneration after amputation.
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In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.
In the fruit fly, the ability of neural stem cells to make the full repertoire of neurons is regulated by the movement of key genes to the nuclear periphery.
Researchers use DNA from ancient tooth tartar to chart changes in the bacterial communities that have lived in human mouths for 8,000 years.
The essential nutrient can kill drug-resistant Mycobacterium tuberculosis by producing oxidative radicals that damage DNA.
A new technique could soon spur unprecedented insight into the role of bacterial epigenetics in the evolution of pathogen virulence.
Researchers track DNA modifications and gene expression in stem cells as they differentiate.
Desulfobulbaceae bacteria were recently discovered to form centimeter-long cables, containing thousands of cells that share an outer membrane.
USC researcher Mohamed El-Naggar demonstrates how some bacteria grow electrical wires that allow them to link up in big biological circuits.
Shewanella bacteria generate energy for survival by transporting electrons to nearby mineral surfaces.
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