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Tag: "gives" at biology news

Diabetes hits 275 Australians each day as pandemic spreads

...at possessed by almost any other nation. "It also gives every Australian a clear indication of the increased risk they face of developing diabetes and its appalling complications if they do not make lifestyle changes," he said. The first stage of the AusDiab study - which was conducted in 1999/2000 and i...

Mapping the protein world

...ntific development," Lamzin says. "The new funding gives us a push to advance the software's ability to recognise and distinguish different types of macromolecular objects, for example DNA, and to improve the automated generation of structural models. ARP/wARP has made the life of structural biologists wor...

Study shows frogs can play key role in stem cell research

...cells to divide without limit. This process, which gives embryonic stem cells the capacity to become any of the 200 cell types in the body, is fundamental to all research in the discipline. Until now, stem cells have been obtained from mice, primates and humans, but never from amphibians. But, because the...

UCSD researchers develop 'smart petri dish'

...patient exposure." "Because the Smart Petri Dish gives a continuous readout of cell damage," she adds, "this type of sensor could also be very useful for understanding more about the way environmental toxicants such as water contaminants or viruses like hepatitis cause long-term liver damage." Others i...

New research finds surveys of larval-stage organisms effective for measuring marine biodiversity

...be totally unreachable," said Barber. "This method gives us a better idea of how well we know a particular area. There may be parts of the world that we think we know a lot about, like the Caribbean for example, but the sequencing of larva there may uncover countless more species that we never knew existed...

Proteins as parents

... tensile than that found in skeletal muscle 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. Bot...

AIDS vaccine research offers new insights on survival

...ne provides in the early weeks following infection gives the monkeys a long-term survival advantage, and that this protection is associated with a significantly higher level of memory CD4+ cells." In another aspect of the study, Letvin and his colleagues at the VRC found that measurements of a subset of m...

Massive duplication of genes may solve Darwin's 'abominable mystery' about flowering plants

...ication may have disappeared. Any duplicated gene gives rise to two "paralogs," which are each subject to random, independent mutation. Most mutations in a gene's DNA sequence cause a change in the corresponding gene product. But "synonymous" mutations in DNA do not lead to a change in gene product, so ...

Smokers invite to test vaccine against nicotine addiction

...aching the brain, smoking is less rewarding. That gives the smoker a chance to change the behavioral and social factors that also influence smoking," said Victor Reus, MD, principal investigator for the study at UCSF. Because immune antibodies remain in the body for some time, Reus said it is hoped that...

Bone marrow may restore cells lost in vision diseases

...ured, it can be replaced in certain situations. It gives us growth factors, cell pathways and other different places to look at to find reasons why the disease is occurring." Researchers want to discover ways to mobilize an elderly patient's own cells to travel to the injury site to make repairs. "The do...

Bacteria have their own immune system protecting against outside DNA

...UW and primary author of the study. "This research gives us an explanation of how pathogenic bacteria have evolved over millions of years." The researchers also learned that the H-NS protein is able to recognize foreign DNA on the basis of its increased content of adenine and thymine, the building blocks ...

New understanding of parasite cell structures may provide treatments for serious tropical diseases

...to cleave free GPIs," said Mensa-Wilmot, "and that gives us important information about how the trypanosome cell functions." The new tools aren't just helpful in understanding GPIs in T. brucei, either. The team found that it works just as well in understanding the parasite Leishmania, which causes anoth...

Fertility hope as study shows eggs survive in older ovaries

... However, Professor Findlay and Dr Kerr's research gives support to the theory. Their findings have been published in the July issue of Reproduction. In the mammalian ovary, reproductive cells called oocytes (eggs) develop within ovarian follicles. In humans, the eggs are believed to die off from late in...

What controls stickiness of 'smart' chromosomal glue

...centromere. Only in a second stage of meiosis that gives rise to haploid sperm or egg cells do centromeric cohesins become cleaved. This precisely controlled centromeric "stickiness" is essential for the accurate segregation of sister chromatids into separate cells. "The key question we wanted to explore...

No-mow grass may be coming to your yard soon

...s that govern development at the cellular level -- gives scientists a way to reshape the steroid pathway to develop plants that grow in specified ways. "We might be able to dwarf grass and keep it green by limiting brassinosteroids or increase the yield of rice by having more brassinosteroids in seeds," ...

The secret lives of sea slugs

...ield work with this organism is helpful because it gives you a good idea of how to set things up in the lab." Observations of the slug's natural behaviors and the sensory cues that trigger them also add exciting new context for scientists studying them under experimental conditions and provide information...

Electric fish in Africa could be example of evolution in action

...municate with other fish. Each species of mormyrid gives off a single characteristic electric impulse resulting in the flash of signals, indicating, for example, aggression, courtship and fear. While the fish may be able to understand other species' impulses, said Arnegard, "They seem to only choose to mat...

Mouse study reveals new clues about virulence of 1918 influenza virus

... Elias A. Zerhouni, M.D. "This elegant research gives a detailed picture of the overzealous host reaction to infection by a fully reconstructed 1918 influenza virus," says NIAID Director Anthony S. Fauci, M.D. "The research provides clues as to why the flu of 1918 was so deadly, and may also help us bet...

Nice guys do finish first in lizards' evolutionary race

...e, but it not only works for some lizards, it also gives a fascinating peek into hard-wired altruism in evolutionary biology. Side-blotched lizards spend their year on earth looking to reproduce, and their strategies have lessons about evolution. An article in the May 9 edition of the Proceedings of the N...

Tastes great! Study shows brain's response to pleasing -- and changing -- tastes

...d thing. Now, a new University of Michigan study gives new evidence about what's going on in the brain when we taste something we like, or develop a liking for something we once hated. And although the study used rats instead of people, it has direct implications for understanding the way we perceive p...

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