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Tag: "recruit" at biology news

CHAVI announces international search for genes affecting HIV response

... The newly organized group, called EuroCHAVI, will recruit 600 patients from nine cohorts. "This will be is the largest cohort assembled for large-scale analysis of genetic differences among HIV-infected patients," said Amalio Telenti, M.D., Ph.D., a key organizer of the collaboration. Telenti is professor o...

Researchers seek to solve mystery of natural HIV control

...eed to work with collaborators around the world to recruit the number of participants we will need to determine what is going on. "We expect to need data from at least 1,000 such individuals in order to define the genetic factors associated with this extraordinary outcome," she adds. "This effort will on...

Salk scientists get to the root of plant cell fate

...cent to a gene, but they are deactivated when they recruit and interact with co-repressors. Long explains that the normal function of TOPLESS protein is to silence genes required for root development in the top or shoot half of a plant embryo. "In plants with a mutant TOPLESS, genes that should be kept off ...

Bacteria have their own immune system protecting against outside DNA

... know this is because such sequences are easier to recruit and regulate than other DNA." This research could also have major implications for the biotech industry, which uses bacteria for the production of recombinant proteins for medicine and research. These proteins, such as insulin or human growth hormon...

Researchers find protein that silences genes

...difying the histones a pathway is set in motion to recruit enzymes to perform DNA methylation. Likewise, changing DNA methylation leads to changes in histone modification". Pikaard's other collaborators, all experts in microscopy, are researchers from the Instituto Superior de Agronomia, Tapada da Ajuda, i...

Solved: The mystery of flesh-eating bacteria's relentless attack

...y senses an infection, it creates interleukin-8 to recruit white blood cells to the infection," said Hanski. In a laboratory culture, the M14 strain of Streptococcus destroyed interleukin-8. But when the team added the SilCR protein to the growing bacteria, the interleukin-8 survived. "The amount of int...

A giant among minnows: Giant danio can keep growing

...usin the zebrafish, appears to have the ability to recruit new muscle throughout its life. Humans have the same ability before birth, but mostly lose it after birth. Because the zebrafish and giant danio are closely related, and the zebrafish’s genome has already been mapped, scientists hope they can more...

Key to lung cancer chemo resistance revealed

...s. "What we're seeing is that lung cancer cells recruit and distort NRF2 and KEAP1 expression to help tumor cells evade the toxic effects of chemotherapy," says Shyam Biswal, Ph.D., associate professor at the Johns Hopkins Bloomberg School of Public Health and Kimmel Cancer Center, who published results o...

Fishy cooperation

... by chance. They also found that groupers actively recruit moray eels through a curious head shake made close to the moray eel's head to which the eel responds by leaving its crevice and joining the grouper. Groupers showed such recruitment more often when hungry. The observed role division comes "natural...

'Empty nester' parent birds use recruitment calls to extend offspring care

...d that babbler adults use a special "purr" call to recruit inexperienced fledglings to rich, divisible food sources (adults responding to the calls often met with aggression from the caller). The researchers found that fledglings that responded to this call were much more successful than those sticking to ar...

NIH announces phase III clinical trial of creatine for Parkinson's disease

...e a broad range of people, with special efforts to recruit a diverse population that is similar to the makeup of the population with PD in the United States. The investigators will measure disease progression using standard rating scales that measure quality of life, ability to walk, cognitive function, a...

Scientists identify prion's infectious secret

...racteristic that enables them to wreak havoc. They recruit other, properly folded proteins into misforming al...species barrier. The baker’s yeast prion could not recruit peptides from the pathogenic fungi cells, and vice versa. To further verify these results, Tessi...

Molecule that destroys bone also protects it, new research shows

...trophils by causing other cells in the vicinity to recruit these infection fighters to the infection site," Gaffen said. IL-17 is a cytokine, a protein hormone made by "T helper" cells of the immune system that stimulate immunity. Gaffen noted that until recently, immunologists believed there were only tw...

Pesticides choke pathway for nature to produce nitrogen for crops

...esticides interfere with the ability of legumes to recruit soil bacteria needed to provide a natural fertiliz..._2 Legume plants secrete chemical signals that recruit the friendly bacteria, which work with the plants to convert atmospheric nitrogen into ammonia that,...

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