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Tag: "learn" at biology news

A gene's first 'kiss' sets off that affair known as puberty

...R54 plays in the initiation of puberty, as well as learn about KiSS-1, which in earlier rodent studies had been identified as a molecule that activates a signal receptor of GPR54, the researchers looked to the nonhuman primate, the only animal with a reproductive system in common with the human's. The ons...

Man and mouse share genome structures

...he human genome has been sequenced, it is vital to learn how the genome is translated to make living cells and organisms, and how we can use that information to improve human health," said Bernstein, who is an instructor of pathology at Brigham & Women's Hospital and Harvard Medical School. "Every one ...

Growth in the sea comes down to a struggle for iron

...2-day period. They also ran experiments on deck to learn how available the iron was in the patch, how diatoms were growing and coming together in multi-cellular aggregations. They studied the sinking rate, the slow process through which aggregations of diatoms sink into the deep sea, taking their carbon wi...

Plants, animals share molecular growth mechanisms

...owth machinery, has opened a scientific toolbox to learn about both plant and animal development, according...ski's research team developed will help scientists learn more about these functions in both plants and animals. The other researchers on this study were Dip...

New Technique for Tracking Gene Regulators

...giant book of life, but we are barely beginning to learn how to readit.?“Our technique gives us a new way to index the code, to find the placeswhere regulators act ?where the on/off switches are that determinewhich genes are at work in different types of cells under differentconditions,?he said.Previous, i...

Antibiotic Resistant Bacterium Uses Sonar-like Strategy to “See?Enemies or Prey

...information, respond accordingly. We maybe able to learn from nature and adapt a similar strategy to help theaging population cope with loss of vision,?says Gilmore.“Secondly, this discovery will help us to develop new ways to treatinfections that are resistant to antibiotics, making them less severe.Based...

Molecular machine may lead to new drugs to combat human diseases

...mine and study its three-dimensional structure and learn how it is able to carry out its biochemical work. The Group I intron at its work cycle's mid-point, which Golden crystallized, is unreactive but reveals many of the interactions between the RNA and the molecules that it activates, she said. "Knowin...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...igins of BCE toxicity atthe single-neuron level to learn what genes are turned on and off bythe exposure to the chemical mixture. The research is focused on afamily of genes known as P53, which helps to regulate the cell cycle.They have also moved their studies to a new model system: thezebrafish, a verteb...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...igins of BCE toxicity atthe single-neuron level to learn what genes are turned on and off bythe exposure to the chemical mixture. The research is focused on afamily of genes known as P53, which helps to regulate the cell cycle.They have also moved their studies to a new model system: thezebrafish, a verteb...

Experiments provide proof of how traveling in groups protects insects

...by the USDA, is part of a larger study designed to learn whether scientists can predict and possibly change the path of massive insect bands, he said. "In the United States nowadays, Mormon crickets just cost farmers and others a lot of money, but in parts of Africa and elsewhere, locusts can cause widesp...

Protein Packages Found To Activate Genes; May Be What Regulates Development And Disease

...ng now is very fundamental," he says. "But what we learn about the interactions between chromatin, its tags, and various proteins that interact with them may one day be useful for understanding, diagnosing, and even developing new treatments for some cancers." ...

Experiments provide proof of how traveling in groups protects insects

...by the USDA, is part of a larger study designed to learn whether scientists can predict and possibly change the path of massive insect bands, he said. "In the United States nowadays, Mormon crickets just cost farmers and others a lot of money, but in parts of Africa and elsewhere, locusts can cause widesp...

ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors

...sea of colors in birds," he added. "Our goal is to learn why there is such a diversity from an evolutionary standpoint." ### To access a selection of print quality photographs of several parrots species, go to: http://www.asu.edu/news/newsroom/PhotoGallery-Parrots.htm ...

Elephants imitate truck noises, other animals

Elephants learn to imitate sounds that are not typical of their species, the first known example after humans of vocal learning in a non-primate terrestrial mammal. The discovery, reported in today's Nature, further supports the idea that vocal learning is important...

Transport System Smuggles Medicines Into Brain

...sea of colors in birds," he added. "Our goal is to learn why there is such a diversity from an evolutionary standpoint." ### To access a selection of print quality photographs of several parrots species, go to: http://www.asu.edu/news/newsroom/PhotoGallery-Parrots.htm ...

Placenta Is A Rich Source Of Blood Stem Cells

...'s special about the placental environment, we may learn how to grow blood stem cells in large numbers for clinical application.'' Blood stem cells are used in treating blood cancers like leukemia and other blood diseases, and in patients receiving transplants, but growing them in quantity is difficult. T...

Probing The Promise And Perils Of Nanoparticles

...he membranes more permeable. Hong is now trying to learn more about the biological mechanisms involved. The usual explanation for how polycationic polymers and similar nanoparticles get into cells involves a process called polycation-mediated endocytosis. But Hong's experiments suggest that nanoscale hole ...

Elephants imitate sounds as a form of social communication

Elephants learn to imitate sounds that are not typical of their species, the first known example after humans of vocal learning in a non-primate terrestrial mammal. The discovery, reported in today's Nature, further supports the idea that vocal learning is important...

Same mutation aided evolution in many fish species, Stanford study finds

...on the hip waders, pull out the fishing net and go learn how their theory compares to the real world. Accor...eir more burdened marine cousins. In an effort to learn more about how the armor trait evolves so quickly, Kingsley and his colleagues sequenced that geneti...

New SARS Protein Linked To Important Cell Doorway

...etically knocked out. Scientists hope to use it to learn what orf7a does for the virus and how important it is to the virus' ability to survive and reproduce. "If knocking out orf7a significantly attenuates the virus, we may able to look at the possibility of using it to make a SARS vaccine," Pekosz specu...

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