News tagged with plant hormone

Related topics: plants

At Long Last, How Plants Make Eggs

(PhysOrg.com) -- A long-standing mystery surrounding a fundamental process in plant biology has been solved by a team of scientists at the University of California, Davis.

Biology / Plants & Animals

created Jun 04, 2009 | popularity 4.9 / 5 (9) | comments 3

Success with 'cisgenics' in forestry offers new tools for biotechnology

Forestry scientists at Oregon State University have demonstrated for the first time that the growth rate and other characteristics of trees can be changed through "cisgenics" - a type of genetic engineering ...

Biology / Biotechnology

created Jun 08, 2010 | popularity 4.9 / 5 (9) | comments 10 | with audio podcast

Scientists reveal secrets of drought resistance

A team of biologists in California led by researchers at The Scripps Research Institute and the University of California, San Diego has solved the structure of a critical molecule that helps plants survive during droughts. ...

Biology / Plants & Animals

created Oct 22, 2009 | popularity 5 / 5 (8) | comments 0

Moss helps chart the conquest of land by plants (w/ Video)

(PhysOrg.com) -- Recent work at Washington University in St. Louis sheds light on one of the most important events in earth-history, the conquest of land by plants 480 million years ago.

Biology / Biotechnology

created Feb 04, 2010 | popularity 4.7 / 5 (7) | comments 0 | with audio podcast

Discovery: Yeast make plant hormone that speeds infection

In their ongoing studies of how yeast (fungi) can infect a host and cause disease, a research team at the Life Sciences and Bioengineering Center at Worcester Polytechnic Institute (WPI) has made an unexpected ...

Biology / Cell & Microbiology

created May 26, 2010 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Stronger corn? Take it off steroids, make it all female

A Purdue University researcher has taken corn off steroids and found that the results might lead to improvements in that and other crops.

Biology / Biotechnology

created Nov 30, 2011 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Is it ripe? Carbon nanotube-based ethylene sensor establishes fruit ripeness

(Phys.org) -- The term ethylene (ethene) generally brings to mind polyethylene plastics, not fruit. However, ethylene is more than just a feedstock for chemical industry, it is also the smallest plant hormone, ...

Chemistry / Analytical Chemistry

created May 19, 2012 | popularity 4.8 / 5 (5) | comments 6 | with audio podcast

First discovery of the female sex hormone progesterone in a plant

In a finding that overturns conventional wisdom, scientists are reporting the first discovery of the female sex hormone progesterone in a plant. Until now, scientists thought that only animals could make progesterone. ...

Chemistry / Biochemistry

created Feb 04, 2010 | popularity 4.6 / 5 (5) | comments 1 | with audio podcast

Plant branching hormone discovered

(PhysOrg.com) -- In an important breakthrough, plant biologists at The University of Queensland have identified a hormone that plays a key role in determining the size and shape of plants.

Biology / Biotechnology

created Jul 08, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Discovery offers hope of saving sub-Saharan crops from devastating parasites

Each year, thousands of acres of crops are planted throughout Africa, Asia and Australia only to be laid to waste by a parasitic plant called Striga, also known as witchweed. It is one of the largest challenges ...

Biology / Biotechnology

created Sep 10, 2010 | popularity 5 / 5 (3) | comments 2 | with audio podcast

Hormone acting as 'molecular glue' could boost plant immune systems

(PhysOrg.com) -- The discovery of a hormone acting like molecular glue could hold a key to bolstering plant immune systems and understanding how plants cope with environmental stress.

Chemistry / Biochemistry

created Oct 06, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

A major step forward towards drought tolerance in crops

When a plant encounters drought, it does its best to cope with this stress by activating a set of protein molecules called receptors. These receptors, once activated, turn on processes that help the plant ...

Biology / Biotechnology

created Dec 19, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

A bit touchy: Plants' insect defenses activated by touch

A new study by Rice University scientists reveals that plants can use the sense of touch to fight off fungal infections and insects. The study, which will be published in the April 24 issue of Current Biology, finds ...

Biology / Plants & Animals

created Apr 09, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Gender-bending fish problem in Colorado creek mitigated by treatment plant upgrade

Male fish are taking longer to be "feminized" by chemical contaminants that act as hormone disrupters in Colorado's Boulder Creek following the upgrade of a wastewater treatment plant in Boulder in 2008, according ...

Biology / Ecology

created Jun 21, 2010 | popularity 3.7 / 5 (3) | comments 4 | with audio podcast

Steroids control gas exchange in plants

Plants leaves are sealed with a gas-tight wax layer to prevent water loss. Plants breathe through microscopic pores called stomata (Greek for mouths) on the surfaces of leaves. Over 40% of the carbon dioxide, CO2, in the ...

Biology / Biotechnology

created Feb 05, 2012 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast