News tagged with host
Scientists uncover process enabling toxoplasmosis parasite to survive homelessness
The parasite responsible for toxoplasmosis requires a stress response system that helps it survive the move to infect new cells, Indiana University School of Medicine scientists have reported, a discovery ...
Medicine & Health / Medical research
Sep 20, 2010 |
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Risk of beetle outbreaks rise, along with temperature, in the warming West
The potential for outbreaks of spruce and mountain pine beetles in western North America's forests is likely to increase significantly in the coming decades, according to a study conducted by USDA Forest Service researchers ...
Sep 08, 2010 |
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Chopping and changing in the microbial world: How mycoplasmas stay alive
Mycoplasmas regularly change their surface proteins to confuse the immune systems of the humans and animals they invade. Recent work in the group of Renate Rosengarten and Rohini Chopra-Dewasthaly at the University of Veterinary ...
Sep 08, 2010 |
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Six times more insects in tropical mountains
How many species of insects exist? Umea University researcher, Genoveva Rodriguez-Castaneda, found that in tropical mountains there are six times more insects than shown in global calculations. The insects ...
Sep 06, 2010 |
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Hubble observations of supernova reveal composition of 'star guts' pouring out
Observations made with NASA's newly refurbished Hubble Space Telescope of a nearby supernova are allowing astronomers to measure the velocity and composition of "star guts" being ejected into space following ...
Sep 02, 2010 |
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Species cooperate out of self-interest rather than to be mutually beneficial, study says
(PhysOrg.com) -- Applying employment contract theory to symbiosis, a new paper suggests that the mutually beneficial relationships that species create are maintained because of simple self-interest, with partners ...
Aug 31, 2010 |
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NETs catch platelets and induce clots, linking inflammation with thrombosis
(PhysOrg.com) -- Neutrophils are the innate immune system's 'first responders,' fighting infection in several distinct ways. These white blood cells can engulf foreign particles via phagocytosis, or they may release antimicrobial ...
Medicine & Health / Medical research
Aug 25, 2010 |
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Waiting for the right moment: Bacterial pathogens delay their entry into cells
(PhysOrg.com) -- Pathogens make themselves feel at home in the human body, invading cells and living off the plentiful amenities on offer. However, researchers at the Max Planck Institute for Infection Biology, ...
Aug 24, 2010 |
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Scientists pry new information from disease-causing, shellfish-borne bacterium
Researchers at UT Southwestern Medical Center have uncovered a key weapon in the molecular arsenal the infectious bacterium Vibrio parahaemolyticus (V. para) uses to kill cells and cause food poisoning in its human host. ...
Aug 19, 2010 |
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A cure for HIV could be all in the 'mix'
Current HIV treatments do not eradicate HIV from host cells but rather inhibit virus replication and delay the onset of AIDS. However, a new research published in BioMed Central's open access journal, AIDS Research & Therapy descri ...
Medicine & Health / HIV & AIDS
Aug 18, 2010 |
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Researchers unlocking the secrets of cross-species rabies transmission
Like most infectious diseases, rabies can attack several species. However, which species are going to be infected and why turns out to be a difficult problem that represents a major gap in our knowledge of ...
Aug 05, 2010 |
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H1N1 flu virus used new biochemical trick to cause pandemic
(PhysOrg.com) -- The influenza virus, scientists well know, is a crafty, shape-shifting organism, constantly changing form to evade host immune systems and jump from one species, like birds, to another, mammals.
Medicine & Health / Diseases, Conditions, Syndromes
Aug 05, 2010 |
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Researcher Studies How Flowers Fight Back Against Damaging Insect Visitors
Though summer's flowers appear delicate and carefree to us, in fact plants must be tough enough to defend their blossoms against antagonists including florivores and nectar robbers, that is, insects who eat, ...
Aug 03, 2010 |
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Unexpected viral 'fossils' found in vertebrate genomes
Over millions of years, retroviruses, which insert their genetic material into the host genome as part of their replication, have left behind bits of their genetic material in vertebrate genomes. In a recent study, published ...
Jul 29, 2010 |
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Mechanism uncovered behind Salmonella virulence and drug susceptibility
Researchers have discovered a novel mechanism in Salmonella that affects its virulence and its susceptibility to antibiotics by changing its production of proteins in a previously unheard of manner. This a ...
Jul 29, 2010 |
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