News tagged with host signal
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 ...
May 23, 2012 |
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Giant optical gain in a rare-earth-ion-doped microstructure
Prof. Markus Pollnau and co-workers at the MESA+ Institute for Nanotechnology at the University of Twente (The Netherlands) have developed a rare-earth-ion-doped optical amplifier with performance comparable to semiconductor ...
Jan 12, 2012 |
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Biologists identify new strategy used by bacteria during infection
Purdue University biologists identified a new way in which bacteria hijack healthy cells during infection, which could provide a target for new antibiotics.
Jul 12, 2011 |
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How ants tame the wilderness: Rainforest species use chemicals to identify which plants to prune
Survival in the depths of the tropical rainforest not only depends on a species' ability to defend itself, but can be reliant on the type of cooperation researchers discovered between ants and tropical trees. ...
May 12, 2011 |
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Researchers identify factor boosting leukemia's aggressiveness
Chronic lymphocytic leukemia (CLL) cells survive and thrive not just by their own innate wiles, but by also acquiring aid and support from host cells in their surrounding environment. In a paper published online this week ...
Oct 22, 2010 |
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Bioelectrical signals turn stem cells' progeny cancerous
Biologists at Tufts University School of Arts and Sciences have discovered that a change in membrane voltage in newly identified "instructor cells" can cause stem cells' descendants to trigger melanoma-like ...
Medicine & Health / Medical research
Oct 19, 2010 |
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Scientists sever molecular signals that prolific parasite uses to puppeteer cells
Scientists studying a cunning parasite that has commandeered the cells of almost half the world's human population have begun to zero in on the molecular signals that must be severed to free the organism's cellular hostages.
Apr 20, 2010 |
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New insight into an old reaction: Adenylylation regulates cell signaling
A new study reveals the importance of adenylylation in the regulation of cell signaling from bacteria to higher organisms. The research, published by Cell Press in the April 10th issue of the journal Molecular Cell, provid ...
Apr 09, 2009 |
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When intestinal bacteria go surfing
The bacterium Escherichia coli is part of the healthy human intestinal flora. However, E. coli also has pathogenic relatives that trigger diarrhea illnesses: enterohemorrhagic E.coli bacteria. During the course of an inf ...
Mar 19, 2009 |
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Audio Watermarking Technique Could Locate Movie Pirates
(PhysOrg.com) -- Camcorder piracy - which occurs when moviegoers bring a camcorder into a theater to record a movie from the screen - is a rapidly growing illegal activity. In the US, camcorder piracy has ...
Technology / Hi Tech & Innovation
Feb 26, 2009 |
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