genome, developmental biology, microbiology
Image of the Day: Stop Signals
Image of the Day: Stop Signals
The Scientist Staff | Apr 16, 2017
Transcytosis, suppression of vesicle traffic across cells, helps reduce permeability in the blood-retinal barrier during development.
Gut Microbes Contribute to Age-Associated Inflammation in Mice
Gut Microbes Contribute to Age-Associated Inflammation in Mice
Abby Olena | Apr 12, 2017
A mouse study reveals a causal link between changes in intestinal microbiota and increasing inflammation as the rodents age.
Behavioral Changes in Mice Given Antibiotics in Early Life
Behavioral Changes in Mice Given Antibiotics in Early Life
Jef Akst | Apr 10, 2017
Mice exposed to low doses of penicillin in utero or as young pups exhibited long-term behavioral differences not seen in their non-exposed counterparts, according to a study.
Study: Microbes from Young Fish Extend Older Fish’s Lives
Study: Microbes from Young Fish Extend Older Fish’s Lives
Kerry Grens | Apr 5, 2017
Recolonizing middle-aged animals with bacteria from younger ones kept killifish alive longer than usual, researchers report.
In Certain Social Bees, Gut Microbiomes Follow Phylogeny
In Certain Social Bees, Gut Microbiomes Follow Phylogeny
Ashley P. Taylor | Mar 29, 2017
Corbiculate bees and their gut-dwelling microbes have been coevolving since the social species evolved from their solitary ancestors around 80 million years ago, scientists suggest. 
Image of the Day: Tubular Origins
Image of the Day: Tubular Origins
The Scientist Staff | Mar 22, 2017
Murine neural tubes, with each image highlighting a different embryonic tissue type (blue). The neural tube itself (left) grows into the brain, spine, and nerves, while the mesoderm (middle) develops into other organs, and the ectoderm (right) forms skin, teeth, and hair.
Inflammation Drives Gut Bacteria Evolution
Inflammation Drives Gut Bacteria Evolution
Ruth Williams | Mar 16, 2017
Viruses within Salmonella rapidly spread genes throughout the bacterial population during a gut infection, scientists show.
Meet the First Artificial Embryo Made From Stem Cells
Meet the First Artificial Embryo Made From Stem Cells
Bob Grant | Mar 2, 2017
Researchers report growing a mouse embryo using two types of early stem cells.
Study: Most Long Noncoding RNAs Likely Functional
Study: Most Long Noncoding RNAs Likely Functional
Kerry Grens | Mar 2, 2017
Nearly 20,000 lncRNAs identified in human cells may play some role in cellular activities.
Human Gut Microbe Transplant Alters Mouse Behavior
Human Gut Microbe Transplant Alters Mouse Behavior
Anna Azvolinsky | Mar 1, 2017
Fecal transplants from humans with irritable bowel syndrome and anxiety into mice lead to similar symptoms and anxiety-like behavior in the rodents, researchers report.