News tagged with plant cell biology

Ancestors of land plants revealed

It was previously thought that land plants evolved from stonewort-like algae. However, new research published in BioMed Central's open access journal BMC Evolutionary Biology shows that the closest relatives to land plants ...

Apr 18, 2011
4.9 / 5 (10) 12 | with audio podcast

Solving a traditional Chinese medicine mystery

Researchers at the Johns Hopkins School of Medicine have discovered that a natural product isolated from a traditional Chinese medicinal plant commonly known as thunder god vine, or lei gong teng, and used for hundreds of ...

Mar 03, 2011
4.6 / 5 (11) 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

Mastermind steroid found in plants

Scientists have known for some time how important plant steroids called brassinosteroids are for regulating plant growth and development. But until now, they did not know how extensive their reach is. Now researchers, including ...

Nov 15, 2010
1 / 5 (1) 0 | with audio podcast

Plants spice up their sex life with defensins

Since the beginning, plants and animals have deployed various mechanisms to fight pathogens. Proteins have always played an important part in this armoury, and a broad variety of defensin proteins have become part of the ...

Jun 01, 2010
5 / 5 (2) 0

How plants put down roots

In the beginning is the fertilized egg cell. Following numerous cell divisions, it then develops into a complex organism with different organs and tissues. The largely unexplained process whereby the cells ...

Mar 15, 2010
5 / 5 (2) 0

Green plant transport mystery solved

Contrary to prevailing wisdom, a new study from plant biologists at UC Davis shows that proteins of the Hsp70 family do indeed chaperone proteins across the membranes of chloroplasts, just as they do for other cellular structures.

Jan 26, 2010
4.5 / 5 (2) 0 | with audio podcast

Carnegie donates landmark clones to biology

With the information explosion, it's remarkable that so little is known about the interactions that proteins have with each other and the protective membrane that surrounds a cell. These interactive, so-called membrane proteins ...

Aug 06, 2009
5 / 5 (1) 0