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Tag: "chooses" at biology news

St. Jude study shows genes play an unexpected role in their own activation

...e team showed that each gene that responds to CREB chooses which co-factors, or helper molecules, CREB uses to activate that gene. This finding adds an important piece to the puzzle of how cells use CREB to activate specific genes in response to cAMP signals. It also suggests that the current model scien...

Genome sequencing reveals key to viable ethanol production

... "This is the first revelation of how a bacterium chooses from its more than 100 enzymes to break down a particular biomass," says David H. Wu, professor in the Department of Chemical Engineering at the University of Rochester. "Once we know how a bacterium targets a particular type of biomass, we should be...

HIV exploits competition among T-cells

...t still deadly, strains. "Once the immune system chooses a winning set of T cells, it has a natural tendency to go with those cells when it's confronted by new strains of the same disease in the future," Deem said. "For HIV, which mutates rapidly, this is an Achilles' heel. We found a direct correlation be...

Attractive birds more immune against bird flu

... the forehead spot as a health indicator. When she chooses males with a large forehead spots, she takes not only the healthiest males but also the ones with the best immune defence against future virus infections." The study also shows that the male collared flycatcher can change the size of the forehead sp...

Ticks, flukes, and genomics: Emerging pathogens revealed

... transfers to a human, say, or horse, the bacteria chooses the protein variation needed to stay hidden from that particular host. "These genome sequences have revolutionized the types of experiments [scientists] can perform to understand these diseases," says microbiologist Yasuko Rikihisa of OSU's College ...

Attention shoppers: Researchers find neurons that encode the value of different goods

...rocess of decision-making that occurs when someone chooses between different goods. "We have long known that different neurons in various parts of the brain respond to separate attributes, such as quantity, color, and taste. But when we make a choice, for example: between different foods, we combine all the...

Confirmation of human protein interaction data by human expression data

...y a small number of which take hold. How the brain chooses which connections to keep and which to prune back appears to be governed by which branches have the most electrical activity—a finding that could help to explain how early experiences guide brain development. The work, published in the April 21 issu...

Speak up: Louder neurons form more connections

...y a small number of which take hold. How the brain chooses which connections to keep and which to prune back appears to be governed by which branches have the most electrical activity—a finding that could help to explain how early experiences guide brain development. The work, published in the April 21 issu...

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Breaking Biology News(10 mins):Scientists identify which genes are active in muscles of men and women 2Risky metabolism 2Smithsonian scientists discover coral's best defender against an army of sea stars 2
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