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Tag: "working" at biology news

U-M scientists discover identifying markers for primitive blood-forming stem cells

...ell. The discovery will be valuable to scientists working in the rapidly advancing field of stem cell science. Currently, scientists must search for many different markers and use complex procedures to separate rare hematopoietic stem cells, or HSCs, from other cells in a blood sample. Using SLAM markers wi...

Researchers discover key to human embryonic stem-cell potential

...ers at Whitehead Institute for Biomedical Research working with human embryonic stem cells have uncovered the process responsible for the single-most tantalizing characteristic of these cells: their ability to become just about any type of cell in the body, a trait known as pluripotency. "This is precisely...

Color perception is not in the eye of the beholder: It's in the brain

...illiams and a postdoctoral fellow Yasuki Yamauchi, working with other collaborators from the Medical College of Wisconsin, gave several people colored contacts to wear for four hours a day. While wearing the contacts, people tended to eventually feel as if they were not wearing the contacts, just as people w...

Purdue researchers find key to rice blast fungus

...the beginning of the penetration pathway. "We are working on the basic infection process," Xu said. "We want to know what genetic mechanisms regulate this process, how the fungus spores recognize the plant surface, and how they know to penetrate it." Once the fungus enters the rice leaf cells, the infected...

Human brain is still evolving

... lot more genes." Lahn and his colleagues are now working to understand how subtle changes in the sequences of these two genes can alter their function in such a way that would result in favorable selection. While there is some evidence from earlier studies that Microcephalin and ASPM code for proteins that...

UF scientist finds unexpected link between cat and human AIDS viruses

... led to the current commercial vaccine. Now she is working on an HIV vaccine consisting of HIV virus from lon...cess to date," said Landay, whose research team is working to develop novel immune strategies to treat HIV infection. "We need to explore all the potential opt...

California computer scientists double volume of data in NIH biotech repository

...et been made public. ICSI's Halperin notes that working with the entire dbSNP database showed that HAP works well on diverse data sets. "The challenge of analyzing such a large dataset is enormous, since the integration of the different datasets is not a simple task," explained the research scientist. "In...

U-M scientists say fused genes trigger the development of prostate cancer

...et been made public. ICSI's Halperin notes that working with the entire dbSNP database showed that HAP works well on diverse data sets. "The challenge of analyzing such a large dataset is enormous, since the integration of the different datasets is not a simple task," explained the research scientist. "In...

Research casts doubt on circulating stem cells

...eeded to combat the disease. But we shall continue working on this and try to awaken those 'sleeping beauties', the nuclei." The Bonn physiologist believes that it is necessary to dampen the very high expectations held by some colleagues: "In my view, many of the studies using bone marrow-derived stem cells...

DNA size a crucial factor in genetic mutations, study finds

...example of an efficient, human-designed nucleotide working in a live cell,'' he says. Kool and the gang are now exploring ''the funny finding that the bugs prefer DNA that's larger than natural DNA'' by making larger nucleotides. ''Size and shape are related issues, so we're interested now in keeping the si...

Bronx Zoo bears are new Samsonite gorillas

...In the Adirondack State Park, conservationists are working to minimize conflicts between black bears and campers. For the past four years, WCS has worked with the New York Department of Environmental Conservation and outdoor retail stores to promote the use of bear canisters--manufactured by Garcia Machine--...

Researchers find Amchitka seafood safe for now

...y 30 years of marine research to have the honor of working with Aleut fishermen and other colleagues in the e...y 30 years of marine research to have the honor of working with Aleut fishermen and other colleagues on this important project to determine that our commercial...

Scientists crack 40-year-old DNA puzzle and point to 'hot soup' at the origin of life

...orana and Robert Holley received a Nobel Prize for working out how proteins are produced from the genetic code. They discovered that three letter 'words' - known as codons - are read from the DNA code and then translated into one of 20 amino acids. These amino acids are then strung together in the order dict...

Genomatix Microarray Analysis Pipeline achieves Affymetrix GeneChip compatible?status

...riptome regulation." "Affymetrix is pleased to be working with Genomatix in their efforts to develop advanced tools for analyzing GeneChip data," said Steve Lincoln, vice president of Informatics at Affymetrix. "We are particularly excited to see the emergence of next-generation commercial software which ca...

NC State researchers redesign life for Mars and beyond

... into a plant has been proven, the researchers are working to insert associated genes in hopes of providing evenmore extreme-temperature protection to plants. And, they're involving more great minds tocome up with more answers - they've team-taught an honors undergraduate class called "Redesigning Living Org...

Oldest dated evidence of cattle in southern Africa found

A team of researchers working with colleagues from the Botswana National Museum shed new light on the questions of when cattle were brought to southern Africa and from where. A domestic cow bone, dated to about 2000 years ago was excavated from a site at Toteng, located in the Ka...

Biotechnology's newest chemical tool

...thyltrasferases. Klimasauskas's group is currently working to append useful functional groups to extended chains. For example, researchers often label cellular components with a molecule called biotin, because it binds tightly to another molecule, streptavidin, and thus streptavadin can be used to retrieve t...

Prenatal exposure to marine toxin causes lasting damage

...e the effects of early domoic acid on movement and working memory. Rats with a history of domoic acid exposure showed greater initial activity in a maze test than control rats, followed by a rapid decline. Moreover, domoic acid exposure affected cognitive function in complex ways, the researchers reported....

Retinal scans eyed for New Mexico show cattle

...However, the eye-scans might not be practical on a working ranch due to cost and technical skill required. S.... It's not 100 percent, and that's something we're working on." The animal ID projects, which were conducted in cooperation with the state veterinarian's offi...

Research Permits First-Ever Visualization of Psychological Stress in the Human Brain

... ability to perform executive functions -- such as working memory and goal-oriented behavior -- that permit humans to adapt to environmental challenges and threats. "The message from this study is that while stress may be useful in increasing focus, chronic stress could also be detrimental to mental health,"...

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