News tagged with gene activity

Scientists discover mobile small RNAs that set up leaf patterning in plants

Mar 01, 2009 | 4.5 / 5 (2) | 1

A key item in the developmental agenda of a plant leaf is the establishment of an axis that makes a leaf's top half distinct from its bottom half. This asymmetry is crucial for the leaf's function: it ensures that the leaf ...

Where does the gene activity of youth go? New findings may hold the key

Biology /

Nov 26, 2008 | 4.8 / 5 (19) | 5

New evidence may explain why it is that we lose not only our youthful looks, but also our youthful pattern of gene activity with age. A report in the November 26th issue of the journal Cell, a Cell Press publication, reveal ...

Scientists Shed Light on Evolution of Gene Regulation

Biology /

Nov 25, 2008 | 5 / 5 (1) | 0

Scientists at Penn State have shed light on some of the processes that regulate genes -- such as the processes that ensure that proteins are produced at the correct time, place, and amount in an organism -- ...

Researchers Shed Light on Evolution of Gene Regulation

Biology /

Nov 18, 2008 | 4.8 / 5 (4) | 0

(PhysOrg.com) -- Scientists at Penn State have shed light on some of the processes that regulate genes -- such as the processes that ensure that proteins are produced at the correct time, place, and amount ...

Scientists identify gene that may contribute to improved rice yield

Biology /

Sep 28, 2008 | 5 / 5 (2) | 0

A team of scientists, including Penn State Distinguished Professor of Biology Hong Ma, has identified a gene in rice that controls the size and weight of rice grains. The gene may prove to be useful for breeding ...