Opinion: Birds of a Feather?
Taking into account the interaction of nuclear and mitochondrial genes in birds holds the promise of more objectively defining what constitutes a species.
Phosphorylation at the Flick of a Switch
Incorporating light-controlled dimerization domains into kinases provides tight regulation of these enzymes.
Macrophages Physically Relay Signals Between Cell Types
Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.
Noncoding RNA Helps Cells Recover from DNA Damage
Scientists discover transcripts from the same gene that can express both proteins and noncoding RNA.
Rare T Cells Fight Cancer
A new approach to immunotherapy finds that the immune-cell clonotypes that come to the rescue start out at very low frequencies.
Ben Barres recast glial cells from supporting actors to star performers, crucial for synaptic plasticity in the brain and for preventing neurodegenerative disorders.
Valerie Horsley Gets Under Skin
The Yale University cell and molecular biologist is probing the deep mysteries of epidermal cells.