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Tag: "escape" at biology news

New Insights Into HIV Immunity Suggest Alternative Approach to Vaccines

...ing the initial infection stage in humans, HIV may escape destruction by the immune system because these seemingly vulnerable outer coat proteins activate self-reactive antibodies. "The fundamental problem in all of HIV vaccine research has been that when you inject the envelope of the HIV virus into peopl...

Variation in women's X chromosomes may explain differences among individuals, between sexes

...out 15 percent of genes on the second X chromosome escape inactivation to some degree, they found. The propo...he added. However, the large number of genes that escape inactivation and their concentration in certain portions of the X chromosome has immediate implicati...

McGill researchers shed light on formation of carcinogen in food

...ends to quickly evaporate. However, when it cannot escape for some reason, for example if it is in sealed cans or jars, then it remains present in the food for some time." While traces of furan and furan-containing products have been found in some processed and cooked products, especially canned and bottle...

Solutions that reduce death of marine life reeled in by International Smart Gear Competition

...g into contact with them, as well as allow them to escape unharmed if they still become entangled. To create avoidable, detectable, safer gear, the team tinkered with the chemical properties of the ropes. A group of scientists from the Central Institute of Fisheries Technology in India--Dr. M.R. Boopendran...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

... spontaneous mutations will occur -- mistakes that escape repair and become part of the DNA of the cell in which they occur. Scientists have generally thought that slowly over time, these mutations accumulate and species diverge. However, Romesberg and his colleagues believe that cells are not just the pas...

How A Latent Virus Eludes Immune Defenses

...t immune sentinels of its host. A latent virus can escape immune detection if it resides in nondividing cells and doesn’t produce any proteins. No viral proteins means no red flags for immune cells. If the virus targets one of the many cell types that rarely divide, it’s relatively safe while latent. But so...

Touching Molecules With Your Bare Hands

...t immune sentinels of its host. A latent virus can escape immune detection if it resides in nondividing cells and doesn’t produce any proteins. No viral proteins means no red flags for immune cells. If the virus targets one of the many cell types that rarely divide, it’s relatively safe while latent. But so...

Remote control flies? Fly behavior controlled by laser light

...ols very specific, stereotypical movements such as escape movements, jumping, and the beginnings of flight. ...med arena. On command, the flies began a series of escape movements--extending their legs, jumping, and opening and rapidly flapping their wings. The laser-t...

Mice brains shrink during winter, impairing some learning and memory

...maze test in which the mice had to swim to find an escape platform hidden just below the surface of opaque water. They were tested for several days to determine how long it would take them to find the platform, and whether they remembered where the platform was from day to day. Results showed that mice tha...

Immune system's distress signal tells bacteria when to strike back

...omonas, however, has the tools to engineer its own escape ?by killing off the host. This wily pathogen can evade a host's immune system. It can repel antibiotics, secrete toxins similar to those used by anthrax, latch onto the bowel wall, bore its way through, and flow into the blood stream. As a consequen...

Motor transport in bio-nano systems

...lar motors can unbind from the filament and, thus, escape into the third dimension. In order to study these complex patterns of movements, the Max Planck researchers have developed new theoretical models which are based on the known properties of single motors and which enable them to study the cooperative...

Woods Hole Research Center plans controlled burn in Amazon rainforest

...ly felled forest in preparation for planting often escape beyond their intended boundaries. Undisturbed forests are resistant to burning because their dense leaf canopy prevents all but a tiny portion of incoming solar radiation from reaching the forest interior, keeping the litter layer too moist to sustai...

A molecule impedes the destruction of the 'Brucella' bacteria

...ule helps an important pathogen, Brucella abortus, escape destruction within the cells charged with eliminating infectious agents (macrophages). This research has been published in Nature Immunology scientific magazine. Brucella is a model of an intracellular parasite, a category that includes other import...

Leading scientists rank endangered dolphins, porpoises most in need of immediate action

...taceans see gillnets in order to avoid them and to escape if they do accidentally swim into the net. Species and populations designated in the report as among the top priorities for investment of resources are: * Irrawaddy dolphins in the crab net/trap fishery in Malampaya Sound, Philippines * Irr...

Canada's first embryonic stem cell lines

...taceans see gillnets in order to avoid them and to escape if they do accidentally swim into the net. Species and populations designated in the report as among the top priorities for investment of resources are: * Irrawaddy dolphins in the crab net/trap fishery in Malampaya Sound, Philippines * Irr...

Novel targets found for the development of drugs to complement, or replace, statins

...taceans see gillnets in order to avoid them and to escape if they do accidentally swim into the net. Species and populations designated in the report as among the top priorities for investment of resources are: * Irrawaddy dolphins in the crab net/trap fishery in Malampaya Sound, Philippines * Irr...

Virulizin granted orphan drug status in Europe

...taceans see gillnets in order to avoid them and to escape if they do accidentally swim into the net. Species and populations designated in the report as among the top priorities for investment of resources are: * Irrawaddy dolphins in the crab net/trap fishery in Malampaya Sound, Philippines * Irr...

Taking a flying jump

...logy, who will be presenting her work on triggered escape response at the Society for Experimental Biology Annual Main Meeting in Barcelona, on Wednesday 13th July [session A7.15]. To investigate responses in Drosophila melanogaster, she performed experiments dropping black discs from different angles, on ...

Results of world's first gene therapy trial for arthritis show approach safe, feasible

...ed that a small percentage of injected cells could escape to other tissues within one week. But with five years follow-up, the authors have seen no evidence that these genetically modified cells have caused any adverse events in their nine patients. Although the ex vivo approach did prove safe and was able...

Virus uses tiny RNA to evade the immune system

...induced reductions in T antigen expression promote escape from antiviral T cells without affecting virus growth. "Viruses can use the host RNA inference machinery, which is often speculated to have evolved as an antiviral mechanism, to generate small RNAs that serve their own purposes -- the latest chapter...

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