Articles with the keyword: 
Antarctic plants and animal life survived ice ages
franklin submitted, created time 1 year 2 months (www.biologynews.net)
Springtails, mites, worms and plant life could help solve the mystery of Antarctica’s glacial history according to new research published in the journal Science this week. 
Plants can be used to study how and why people respond differently to drugs
carly submitted, created time 1 year 2 months (www.eurekalert.org)
While prescription medications work successfully to cure an ailment in some people, in others the same dose of the same drug can cause an adverse reaction or no response at all. According to a research team led by UC Riverside's Sean Cutler, such variation in drug responses can be analyzed by studying much simpler organisms -- like plants.
A protein phosphorylation/dephosphorylation network regulates a plant potassium channel
benjiamin submitted, created time 1 year 2 months (www.pnas.org)
Potassium (K+) is an essential nutrient for plant growth and development. Plants often adapt to low K+ conditions by increasing their K+ uptake capability. Recent studies have led to the identification of a calcium signaling pathway that enables plants to act in this capacity.
Clever plants chat over their own network
kitty submitted, created time 1 year 2 months (www.nwo.nl)
Recent research from Vidi researcher Josef Stuefer at the Radboud University Nijmegen reveals that plants have their own chat systems that they can use to warn each other. Therefore plants are not boring and passive organisms that just stand there waiting to be cut off or eaten up. Many plants form internal communications networks and are able to exchange information efficiently.
Allometric scaling of plant life history
richard submitted, created time 1 year 2 months (www.pnas.org)
Plant mortality and birth rates are critical components of plant life history affecting the stability of plant populations and the ecosystems they form. Although allometric theory predicts that both plant birth and mortality rates should be size-dependent, this prediction has not yet been tested across plants ranging the full size spectrum.
Acid rain has a disproportionate impact on coastal waters
franklin submitted, created time 1 year 2 months (www.whoi.edu)
The release of sulfur and nitrogen into the atmosphere by power plants and agricultural activities plays a minor role in making the ocean more acidic on a global scale, but the impact is greatly amplified in the shallower waters of the coastal ocean, according to new research by atmospheric and marine chemists.
How the plant immune system can drive the formation of new species
doris submitted, created time 1 year 2 months (biology.plosjournals.org)
Sometimes, genes that are innocuous in the parents are deleterious when combined in the offspring. Here, some genes involved in hybrid necrosis in plants have been identified.
Plants And Stress: Key Players On The Thin Line Between Life And Death Revealed
claudia submitted, created time 1 year 3 months (www.sciencedaily.com)
Our crops are not doing well these days: too much water, too little sunlight... In short, they are suffering from stress. How does the plant safeguard itself from stress?
Study explains how pathogens evolve to escape detection
bianjie submitted, created time 1 year 4 months (www.news.cornell.edu)
In the evolutionary battle in which plants are trying to beef up their defenses against pathogens, Cornell researchers have discovered a bacterium that infects tomatoes by injecting a special protein into the plant's cells and undermines the plant's defense system.
How plants learned to respond to changing environments
bianjie submitted, created time 1 year 4 months (www.eurekalert.org)
A team of John Innes Center scientists lead by Professor Nick Harberd have discovered how plants evolved the ability to adapt to changes in climate and environment. Plants adapt their growth, including key steps in their life cycle such as germination and flowering, to take advantage of environmental conditions. They can also repress growth when their environment is not favorable. This involves many complex signalling pathways which are integrated by the plant growth hormone gibberellin.
Illinois-based study of energy crops finds miscanthus more productive than switchgrass
bianjie submitted, created time 1 year 4 months (www.eurekalert.org)
At the annual meeting of the American Society of Plant Biologists in Chicago (July 7-11, 2007), scientists will present findings on how to economically and efficiently produce plant crops suitable for sustainable bioenergy. Improving the production of such biomass is important because it should significantly ease and eventually replace dependence on petroleum-based fuels. Biomass is plant material, vegetation or agricultural waste used as fuel.
Iowa State scientists demonstrate first use of nanotechnology to enter plant cells
claudia submitted, created time 1 year 6 months (www.iastate.edu)
A team of Iowa State University plant scientists and materials chemists have successfully used nanotechnology to penetrate plant cell walls and simultaneously deliver a gene and a chemical that triggers its expression with controlled precision. Their breakthrough brings nanotechnology to plant biology and agricultural biotechnology, creating a powerful new tool for targeted delivery into plant cells.
BIOBOSS submitted, created time 1 year 7 months (www.blackwellpublishing.com)
A recent study in Nature suggested that terrestrial plants may be a global source of the potent greenhouse gas methane, making plants substantial contributors to the annual global methane budget. This controversial finding and the resulting commotion triggered a consortium of Dutch scientists to re-examine this in an independent study. Reporting in New Phytologist, Tom Dueck and colleagues present their results and conclude that methane emissions from plants are negligible and do not contribute to global climate change.
Scientists Find Missing Link to Understand How Plants Make Vitamin C
BIOBOSS submitted, created time 1 year 7 months (dms.dartmouth.edu)
Vitamin C is possibly the most important small molecule whose biosynthetic pathway remained a mystery. That is until now. A group of Dartmouth and UCLA researchers, who normally work on genes involved in aging and cancer in animals, discovered the last piece of the puzzle, they report in a study published online April 26 in the Journal of Biological Chemistry.
addict submitted, created time 1 year 7 months (www.pnas.org)
"When expressed in Escherichia coli, cytosolic poplar glutaredoxin C1 (CGYC active site) exists as a dimeric iron-sulfur-containing holoprotein or as a monomeric apoprotein in solution. Analytical and spectroscopic studies of wild-type protein and site-directed variants and structural characterization of the holoprotein by using x-ray crystallography indicate that the holoprotein contains a subunit-bridging [2Fe-2S] cluster that is ligated by the catalytic cysteines of two glutaredoxins and the cysteines of two glutathiones
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