Tag: "resolve" at biology news

US investment firm gives away Rhode Island-sized lands in Chile

...serves tremendous credit for their imagination and resolve that these lands and their wildlife should be protected now and forever." Lands That Awed Darwin The Chilean lands transferred in the gift contain large stands of old-growth lenga forests, a native species of southern beech tree, as well as peat b...

Stuck on you: Scientists lay bare secrets of bacterial attachment proteins

...o nanometre-wide Dr Adhesins. Their work helps to resolve a long-standing debate amongst microbiologists; it leads to the reclassifying of the Dr Adhesins into a group of bacterial protein appendages known as 'fimbriae'. These appendages are very difficult to see using the available electron microscopy tec...

Fundamental change to Immunology 101

...early progenitor cell populations. The only way to resolve the exact cell type was to correctly identify progenitors present in the blood, which is a tall order. "It's known that they must be there, but at very low frequencies," explains Bhandoola. "Our lab has previously shown that the early T-cel...

Researchers review evolutionary history of modern algae

...se a lot of carbon-dioxide, then we may be able to resolve the problem of green house effect," Quigg says. "But if you have an ocean full of algae that do not like to use carbon-dioxide, then you are in big trouble. Carbon-dioxide will keep increasing." ...

Mouse brain stem cells capable of converting into blood vessel cells

...ional Institutes of Health. The finding could help resolve a critical question about these promising, but still mystifying cells. The report by Fred H. Gage, Ph.D., and colleagues at the Salk Institute in La Jolla, CA, and Kumamoto University in Japan, appears in the July 15, 2004, issue of Nature. Adult ste...

Stem-cell research and reproductive cloning laws should be separate

...last year two international bodies were unable to resolve disagreements that involved bioethical issues. First, the United Nations General Assembly failed to pass a treaty on reproductive cloning because of insistence by some countries that the treaty include a ban on cloning for research. She argues that i...

UNC research accelerates discovery of novel gene function

...of the UNC Gene Therapy Center. The study helps to resolve two bottlenecks in determining gene functions, he said. "It offers a quick and efficient way to transfer cDNA into a viral vector library, and it also helps isolate altered cells, ensuring that the changes in them are due to the introduced gene. The ...

Origin of West Indian insect eater much older than previously thought

...Africa. Recent genetic testing does not completely resolve this issue, but rules out the possibility that the solenodons are related to African insectivores and makes a North American origin more likely. The latest discoveries about solenodons suggest that scientists rethink their interpretations of ...

Newly grown kidneys can sustain life in rats

...l kidney in control and experimental rats. To help resolve uncertainty about which kidney functions are critical to sustaining life, scientists cut the connections between the bladder and the new kidneys in a subset of the experimental rats. Rats with no new kidneys lived for two to three days, and rats whos...

Vision: how perceptions survive in the face of ambiguity

...plex world, one of the major tasks of vision is to resolve ambiguous information into a stable image of our surroundings. By presenting subjects with differing versions of visually ambiguous images, researchers have identified the factors that are important for perceptual stabilization, a process that allows...

Whales, seals or men? Who stole all the fish?

...sults suggest that international policies will not resolve the conflicts over who is taking all the fish. "If there are going to be problems, they are not at a global level. They are at a local level, of local fisheries affecting local populations of marine mammals," says Phil Hammond, a marine mammal biolog...

2004 Max Planck Research Prize for Martin Vingron and Eugene W. Myers

...to their length. Using simulations, he was able to resolve the sequence overlaps for the entire human genome using only clones of defined length. This proved to be the key to the assembly of the complete genome. This year, the focus of the Max Planck Research Prize was modified to take particular account of ...

Discovery could improve anemia treatment in patients

...l not to encourage infection while we're trying to resolve the anemia. The ideal would be to control infection while allowing enough iron for red blood cell production." HFE has long been known to control iron absorption. Andrews' lab has previously shown that a lack or a defect in HFE causes an opposite c...

Researchers caution against linking strep, neuropsychiatric disorders

...andable. At this point, there's not enough data to resolve the issue," says neurologist Roger Kurlan, M.D., chief of the Cognitive and Behavioral Neurology Unit at the University of Rochester's Strong Memorial Hospital. In the Pediatrics paper, Kurlan and Edward L. Kaplan, M.D., of the University of Minneso...

UC San Diego bioinformatics experts help reconstruct the genomic makeup of our ancestors

...sons with the human and mouse genomes will help to resolve details of mammalian evolution. "The sequencing of the rat genome constitutes another major milestone in our effort to expand our knowledge of the human genome," said NHGRI Director Francis S. Collins, M.D. "As we build upon the foundation laid by th...

East African artifacts support evolution of symbolic thinking in Middle Stone Age

...Ultimately it is going to take wider excavation to resolve the questions."...

Scientists compare rat genome with human, mouse

...ientists the ability to triangulate data to better resolve details of human biology, as well as mammalian evolution. "The sequencing of the rat genome constitutes another major milestone in our effort to expand our knowledge of the human genome," said NHGRI Director Francis S. Collins, M.D., Ph.D. "As we b...

Laboratory rat gene sequencing completed

...sons with the human and mouse genomes will help to resolve details of mammalian evolution. "The sequencing of the rat genome constitutes another major milestone in our effort to expand our knowledge of the human genome," said NHGRI Director Francis S. Collins, M.D., Ph.D. "As we build upon the foundation l...

Ethanol to power the future of hydrogen fuel cells

...uding ethanol. Research should also be extended to resolve technical problems so that systems that can handle the explosive gas are developed. Safety is a non-issue while considering ethanol in fuel cells. The challenge will be to reduce the cost of producing ethanol from corn and increase tax advantages in ...

NIST-led research de-mystifies origins of 'junk' DNA

...ranscript. Research from the CARB group appears to resolve a debate over the "early versus late" timing of the appearance of introns. Since introns were discovered in 1978, scientists have debated whether genes were born split (the "introns-early" view), or whether they became split after eukaryotic cells (t...

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