guppies, developmental biology
Nailing Regeneration
Nailing Regeneration
Sabrina Richards | Jun 12, 2013
Researchers identify the signaling program that enables finger and toenail stem cells to direct digit regeneration after amputation.
Why Many Birds Don’t Have Penises
Why Many Birds Don’t Have Penises
Kate Yandell | Jun 7, 2013
In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.
Loss of Potential
Loss of Potential
Dan Cossins | Jun 1, 2013
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.
Epigenetics of Embryonic Stem Cells
Epigenetics of Embryonic Stem Cells
Kate Yandell | May 14, 2013
Researchers track DNA modifications and gene expression in stem cells as they differentiate.
Branching Out
Branching Out
Dan Cossins | Apr 1, 2013
Satellites of the Golgi apparatus generate the microtubules used to grow outer dendrite branches in Drosophila neurons.
Smurf-y Old Age
Smurf-y Old Age
Beth Marie Mole | Apr 1, 2013
Flies turning blue help researchers link the deterioration of the intestinal barrier to age-related death.
Pluripotent Until Needed
Pluripotent Until Needed
Beth Marie Mole | Apr 1, 2013
Microarrays help keep induced pluripotent stem cell lines in check, from start to finish.
All In Proportion
All In Proportion
Savraj S. Grewal | Mar 2, 2013
Drosophila insulin-like peptides (dILPs) regulate part of the signaling pathway that helps keep organs growing in proportion during development.
Contributors
Contributors
Beth Marie Mole | Mar 1, 2013
Meet some of the people featured in the March 2013 issue of The Scientist.
Instant Messaging
Instant Messaging
Savraj S. Grewal | Mar 1, 2013
During development, communication between organs determines their relative final size.