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Tag: "resist" at biology news

Biologists discover new pathway into plant cells

...r behavior in some beneficial way ?to grow faster, resist disease or increase yields. The findings were published today in two articles in The Plant Cell, a professional journal. Also of considerable interest is that the biological mechanism discovered here bears striking similarity to the way proteins ca...

Infant transplant patients resist infections that kill adult AIDS patients

...hought. Something other than T cells is working to resist viruses in the post-transplant patients. The findings also suggest an intriguing strategy for developing new treatments for AIDS, cancers and diseases of impaired immune function related to aging. If this ability of infant-transplant patients' immun...

York researchers develop pollution-busting plants to clean up contaminated land

...The technique can also be used to modify plants to resist other organic pollutants. ...

Evolutionary biology research techniques predict cancer

...n of cells, some of those cells are more likely to resist treatment, Maley says. Adapting to and surviving chemotherapy, these resistant cells could breed, leading to a cancer relapse. He hopes to pursue this hypothesis in the future. "More immediately," he adds, "we intend to validate the new study with ot...

Researchers create pigs that produce heart-healthy omega-3 fatty acids

...n of cells, some of those cells are more likely to resist treatment, Maley says. Adapting to and surviving chemotherapy, these resistant cells could breed, leading to a cancer relapse. He hopes to pursue this hypothesis in the future. "More immediately," he adds, "we intend to validate the new study with ot...

Researchers use dirt to stay one step ahead of antibiotic resistance

...t bacteria must develop diverse ways to survive or resist the toxic antimicrobial compounds produced by their neighbors," said Wright. "Their coping tactics may be able to give us a glimpse into the future of clinical resistance to antibiotics." "This research suggests that not only can the study of resi...

Mayo Clinic collaboration discovers protein amplifies DNA injury signals

...hat help this repair system recover from injury or resist injury." Dysfunction of the DNA damage response pathway makes the gene unstable. Genomic instability is the driving force in tumor formation, which is why cancer researchers around the world are focusing on understanding the DNA damage response path...

Animals can change genes quickly to keep up with viral ingenuity

... to rapidly evolve countermeasures of their own to resist new viral strategies. The new research provides evidence for such rapid evolution of some RNAi genes: The researchers found that some RNAi components evolve far faster than 97% of all other fruit fly genes. This rapid evolution illustrates the vital ...

Less is more, gene study shows

...ingly, people who lack the gene are better able to resist sepsis than those who have a working copy. "This is another indication that loss of the gene would be good for the individual, but it doesn't show that the gene became a pseudogene because of that advantage." However, using population genetics techn...

A clue from macaques yields evidence for impaired retroviral defense genes in humans

... TRIM5 possessed by rhesus macaques allows them to resist HIV infection, whereas the human version does not....ly altered versions of TRIM5 that might be able to resist HIV infection. Unexpectedly, the researchers found a single mutation in TRIM5 that impairs its abi...

Invasive exotic plants helped by natural enemies

...ially freeing resources for exotic plants that can resist these herbivores," said John Parker, graduate researcher in the School of Biology at the Georgia Institute of Technology. Parker, along with Professor Mark Hay and fellow graduate student Deron Burkepile, analyzed 63 published studies of more than 1...

Researchers discover way to transport environmental arsenic to plant leaves in new clean-up strategy

... of the mustard family. This allowed the plants to resist the toxic effects of arsenic and sequester three-fold more arsenic in their shoots than normal plants. Still this was too ineffective to allow planting of the transgenic plants on arsenic-polluted sites, since far more arsenic needed to be moved into...

'Shuttling' protein possibly key to resilience of cancer cells

...hat may play a crucial role in cancer's ability to resist chemotherapy and radiation treatment and that also... play a key role in the ability of cancer cells to resist cancer treatments, and preventing the ATF2 from moving into the cytoplasm might improve the effectiv...

Molecular force field helps cancer cells defend against attack

...'ve shown you can knock it out and cells can still resist the loss of expression of focal adhesion kinase, whereas the tumor cells use it as one of their major proteins for survival." UF surgical resident Christopher Garces, M.D., and UF research assistant professors Elena Kurenova, Ph.D., and Vita Golubov...

It's not fair! We are programmed to resist weight loss

... confirming the human body is designed to strongly resist attempts to lose weight will be presented at an international gathering of obesity experts hosted by QUT this week. Queensland University of Technology appetite regulation and energy balance researcher Dr Neil King, from the Institute of Health and...

Survival of the selfless - scientists find cheats don't always prosper

...says: "This evidence that a cooperative group can resist invasion by exploitative cheats is unexpected and gives us greater insight into how cooperation evolves. This is important because we live in a world in which cooperations exists at every level, from genes working together to build functioning indivi...

Bt cotton in China fails to reap profit after seven years

...dwide to plant genetically modified (GM) cotton to resist bollworms, the substantial profits they have reaped for several years by saving on pesticides have now been eroded. The reason, as reported by Cornell University researchers at the American Agricultural Economics Association (AAEA) Annual Meeting in...

Study details hepatitis C ability to block immune system response

...ight on one strategy the hepatitis C virus uses to resist the immune system. The findings suggest that the h...liver produce the interferon and how the virus can resist the broad spectrum of these antiviral effects." The knowledge gained from fundamental studies such...

Federal testing for mad cow disease a failure, law review editor says

...eef has been to deny that there's a problem and to resist comprehensive BSE testing, Gregory L. Berlowitz, an editor at the University of Illinois Law Review, wrote. The net result is that the USDA has placed the welfare and promotional concerns of the beef industry ahead of public welfare. The first case...

Proteins as parents

... and it gives the heart the necessary stability to resist the pressure of the inflowing blood. As the parent generation, the scientists chose two globular titin domains called I27 and I32, whose mechanical properties have already been intensively researched. Both are similarly built and are composed of th...

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