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Tag: "millions" at biology news

Researchers publish first marsupial genome sequence

...lian genomes, including our own, have evolved over millions of years," said NHGRI Director Francis S. Collins, M.D., Ph.D. "These new findings illustrate how important it is to understand all of the human genome, not just the fraction that contains genes that code for proteins. We must identify all functional...

DOE JGI sets 'gold standard' for metagenomic data analysis

...A from the microbial genomes is first sheared into millions of small fragments to enable the amplification, labeling, and ultimately sequencing. Genome assembly is the process of putting the sequenced fragments back in order, in effect, putting Humpty Dumpty back together again, to recreate the identity of a...

Herpes infection may be symbiotic, help beat back some bacteria

...mune research. Humans and other mammals have spent millions of years living and evolving with latent viral inf...been with us," he says. "In that respect—given the millions and millions of years that mammalian immune systems have had to adapt to these viruses—perhaps these...

Cornell lab confirms deadly fish virus spreading to new species

...Bay on Lake Michigan; confirmation is pending. And millions of dead freshwater drum formed windrows of carcasses along the beaches of Lake Erie in 2006, all victims of VHSV. Other species from the Great Lakes Basin area that have tested positive by Cornell include bluegill, rock bass, black crappie, pumpkin...

MIT's ocean model captures diversity of underwater forests

...ith how biologists think of them-water filled with millions of diverse microbes that wax and wane in relative abundance through interactions with each other, and the environment, as dictated by natural selection," said Chisholm. Indeed the guiding principle of the new model is natural selection. It simulat...

Genome sequencing reveals key to viable ethanol production

...ocellum uses more than 100 enzymes, and any of the millions of combinations of them may be the magic mixture to break down a particular biomass. So, Wu decided to make the bacterium do the work for him. "The bacteria know how to express just the right genes to break down any particular biomass substrate,...

Cloning the smell of the seaside

...cross the world's oceans, seas and coasts, tens of millions of tonnes of it are released by microbes that live near plankton and marine plants, including seaweeds and some salt-marsh plants. The gas plays an important role in the formation of cloud cover over the oceans, with major effects on climate. Indeed,...

Scientists identify pancreatic cancer stem cells

...solated are quite different from 99 percent of the millions of other cells in a human pancreatic tumor, and we...rs removed tumors after they grew, and then sorted millions of cancer cells to isolate those that had one or more of three surface protein markers -- CD44, CD24...

Transfusion expert urges wider use of filtered blood

...uch scientific evidence that supports this notion, millions of people today are still receiving transfusions that might needlessly be harmful to them. The single most effective and overdue safety measure the FDA could take at this time is to mandate leukoreduction of all transfusions through its regulatory po...

Paper challenges 1491 Amazonian population theories

...anking the Amazon Channel -- there could have been millions of people living there," says Mark Bush, a British...nfluence conservation policy in the Americas. That millions of people once populated the Americas, and that in Amazonia, at least, the rainforest is the product...

Despite their heft, many dinosaurs had surprisingly tiny genomes

...od genomes then stabilized in size for hundreds of millions of years, a process that continues in modern birds. "Our work debunks the theory that the small, repeat-poor genomes typical of birds may have co-evolved with flight as a means of conserving energy," says Edwards, professor of organismic and evolu...

Bypassing eggs, flu vaccine grown in insect cells shows promise

...eople reported in JAMA. “When you need hundreds of millions of fertilized eggs, you’re dealing with a whole ho... have centered on growing flu virus in hundreds of millions of fertilized eggs, with each egg containing less than a teaspoonful of material that will ultimatel...

Soft-cell approach cuts animal tests

...sity of New South Wales. "Worldwide, there are millions of known chemicals, of which more than 100,000 chemical compounds are in commercial use in an unknown but extremely large number of chemical mixtures. "Continued conventional animal toxicity testing of this large number of chemicals is simply una...

Are one-third of costly implanted heart devices unnecessary? New study suggests yes

...monstrated how MTWA testing could reap hundreds of millions of dollars in savings for the Medicare system, and the taxpayers who support it. That analysis was based on assumptions about MTWA testing's ability to predict risk ?assumptions that can now be adjusted based on the new study results. This resear...

Synthetic peptide targets latent papilloma virus infections

...nia, Berkeley, researchers could some day help the millions of people already infected and at constant risk of genital warts and cancer. One study found that 75 percent of sexually active men and women under 50 have, or have had, an HPV infection, while 10,000 women annually develop cervical cancer, more tha...

In-shell vaccine for chick disease

...has the potential to save UK farmers and consumers millions of pounds each year. IBV is one of the severe animal diseases that BBSRC supports research into, and the work at the Institute for Animal Health shows real promise in delivering tangible improvements on the farm." ...

Why doesn't the immune system attack the small intestine?

... attack tissues in the small intestine that harbor millions of bacteria cells. In a study in the February iss...he conditions in the small intestine, with so many millions of bacteria cells and so much opportunity for dendritic cells to stimulate an immune attack, it's re...

MU researcher placing eye implants in cats to help humans see

...potential to create improved vision in some of the millions of people affected worldwide with retinal blindness," Narfstrom said. "This technology also may be beneficial for pets that have similar diseases because this technology can benefit both animals and humans."...

Darwin's famous finches and Venter's marine microbes

...entists shredded the collected genetic material in millions of random snippets and then determined their sequence. Based on overlapping sequences, computer programs can then assemble longer stretches and merge them into longer pieces of a genome. These so-called "scaffolds" are a treasure trove for a diverse ...

Homing pigeons get their bearings from their beaks

...ough birds have been producing these particles for millions of years, the main problem for scientists who want to find benefits from their use will be the technical production of these particles"....

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