News tagged with chemical signal

Unraveling bacterial behavior

Bacteria encounter a constant barrage of ever-changing temperature, acidity and chemical stimuli from their environment. The cells must absorb all of this information and choose the correct response—whether boosting their ...

dateJul 18, 2013 in Cell & Microbiology
shares0 comments 0

Plant organ development breakthrough

Plants grow upward from a tip of undifferentiated tissue called the shoot apical meristem. As the tip extends, stem cells at the center of the meristem divide and increase in numbers. But the cells on the periphery differentiate ...

dateDec 03, 2012 in Biotechnology
shares0 comments 0

Surviving sex with black widows

Scientists have discovered that male black widow spiders, famous for ending up as their mates' post-coital supper, are not as clueless as you might think. In a series of careful experiments, a team of researchers ...

dateAug 08, 2011 in Plants & Animals
shares0 comments 1