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Deterring signals: Tobacco plants advertise their defensive readiness to attacking leafhoppers

Following herbivory, plants produce jasmonic acid, a hormone which activates several plant defense reactions. Scientists found that leafhoppers can evaluate whether tobacco plants are ready for defense when attacked. If jasmonate-signaling ...

Biology / Biotechnology

created May 23, 2012 | popularity 5 / 5 (1) | comments 0

Plant enzyme's origins traced to non-enzyme ancestors

(Phys.org) -- As plants began to transition from aquatic habitats to dry land some 500 million years ago, their needs changed. Those primitive ancestors of modern plants were ill-equipped to survive in a dry, sunlight-blasted ...

Biology / Biotechnology

created May 13, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

New synthetic biology technique boosts microbial production of diesel fuel

(PhysOrg.com) -- Significant boosts in the microbial production of clean, green and renewable biodiesel fuel has been achieved with the development of a new technique in synthetic biology by researchers with ...

Biology / Biotechnology

created Mar 26, 2012 | popularity 4.2 / 5 (11) | comments 8 | with audio podcast

Possible new route to fight dengue virus pointed

Researchers have identified enzymes and biochemical compounds called lipids that are targeted and modified by the dengue virus during infection, suggesting a potential new approach to control the aggressive ...

Biology / Cell & Microbiology

created Mar 22, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Researchers develop a new candidate for a cleaner, greener and renewable diesel fuel

(PhysOrg.com) -- A class of chemical compounds best known today for fragrance and flavor may one day provide the clean, green and renewable fuel with which truck and auto drivers fill their tanks. Researchers ...

Biology / Biotechnology

created Mar 14, 2012 | popularity 4.4 / 5 (5) | comments 4 | with audio podcast

The search for life's stirrings

Scientists studying how life arose on Earth are stumped by several key steps in that eventual process, but a Harvard scientist studying the earliest cells says that seemingly intractable problems in this field ...

Biology / Cell & Microbiology

created Feb 07, 2012 | popularity 5 / 5 (2) | comments 2

Scientists map one of life's molecular mysteries

All living organisms are made up of cells, behind these intricate life forms lie complex cellular processes that allow our bodies to function. Researchers working on protein secretion — a fundamental process in biology ...

Biology / Cell & Microbiology

created Jan 26, 2012 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast

A salt-free primordial soup?

Most scientists who study the origin of life assume that it occurred in the ocean. But a minority view is that ions in seawater may interfere with prebiotic chemistry, making a freshwater environment more ...

Chemistry / Biochemistry

created Jan 19, 2012 | popularity 3.4 / 5 (5) | comments 0 | with audio podcast

Knocking out key protein in mice boosts insulin sensitivity

By knocking out a key regulatory protein, scientists at the University of California, San Diego School of Medicine and the Ecole Polytechnique Federale de Lausanne (EPFL) in Switzerland dramatically boosted ...

Biology / Cell & Microbiology

created Nov 10, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

How biological capsules respond under stress

Cosmetics and pharmaceutical drug delivery systems could be improved thanks to a new method developed to precisely measure the capability of capsule-like biological membranes to change shape under external stress. This work ...

Physics / General Physics

created Oct 28, 2011 | popularity not rated yet | comments 0


List of search results for specific fatty