News tagged with chemical signal

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 ...

Dec 03, 2012
not rated yet 0 | with audio podcast

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 ...

Aug 08, 2011
4.5 / 5 (4) 1 | with audio podcast

Dynamics of crucial protein 'switch' revealed

Researchers at the University of Texas Medical Branch at Galveston and the University of California-San Diego School of Medicine have published a study that offers a new understanding of a protein critical to physiological ...

May 17, 2011
4 / 5 (2) 0 | with audio podcast

Nailing down a crucial plant signaling system

Plant biologists have discovered the last major element of the series of chemical signals that one class of plant hormones, called brassinosteroids, send from a protein on the surface of a plant cell to the cell's nucleus. ...

Jan 23, 2011
5 / 5 (1) 0 | with audio podcast

Adjustable valves gave ancient plants the edge

Controlling water loss is an important ability for modern land plants as it helps them thrive in changing environments. New research from the University of Bristol, published today in the journal Current Biology, shows ...

Jun 09, 2011
4 / 5 (1) 0 | with audio podcast