Adult rhesus macaque monkeys' previous status in their community's social hierarchy has a lingering effect on how their genes behave.
Geneticist Luis Barreiro finds that adult monkeys' previous status in their community's social hierarchy had a lingering effect on how their genes behaved.
Some cod species have a newly minted gene involved in preventing freezing.
Scientists long assumed that new genes appear when evolution tinkers with old ones. It turns out that natural selection is much more creative.
A macrophage (in white) engulfs a cancer cell. When these immune cells respond to infection or tumors, they produce a substance call lactate, which can actually fuel cancer growth.
A new study, led by researchers at the University of Chicago, provides an answer to why cancer cells consume and use nutrients differently than their healthy counterparts and how that difference contributes to their survival and growth.
Xiaochang Zhang, PhD, an assistant professor of human genetics at the University of Chicago, has received a National Institutes of Health (NIH) Director’s New Innovator Award for 2019.
Software identified the METTL3 gene (left) as a potential "driver gene" for bladder cancer. The closeups below show areas with genetic mutations.
Identifying which gene mutations are most likely to propel cancer forward can help doctors treat cancer patients more effectively and help researchers better understand the biology of cancer. But finding these “driver” genes isn’t easy. Any cell can and will acquire gene mutations, but only a fraction of those aberrations have the potential to survive, proliferate and create tumors.
Surface view of a Drosophila egg chamber, the multicellular precursor to the egg. The follicular epithelial cells that form the egg chamber’s outer layer collectively migrate along the extracellular matrix (ECM) that surrounds the organ. This collective migration, in turn, causes the entire egg chamber to rotate within the ECM to create the elongated shape of the egg.
Sally Horne-Badovinac, PhD, was studying zebrafish to gain insight into how human intestines develop when she had ascientific epiphany. While staring through a high-powered microscope at a section of the fish’s gut tube—their version of intestines—she happened to glance at some neighboring tissue.
One of the most important questions in biology is how rapidly new proteins evolve in organisms. Proteins are the building blocks that carry out the basic functions of life. As the genes that produce them change, the proteins change as well, introducing new functionality or traits that can eventually lead to the evolution of new species.