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Tag: "identifying" at biology news

Islands in the Genome Promote Speciation

... Drosophila, in which scientists have also started identifying “speciation genes,?should tell us if similar genes are employed repeatedly in different genera during the formation of new species. ...

Sperm stem cells closer to being like embryonic stem cells

...efects in humans ?cystic fibrosis, for example ?by identifying and eliminating in culture a man's sperm stem cells that carry the gene. Dr. Garbers said that a renewable source of cultured sperm stem cells, rat or human, also could be used to test for male-directed contraceptives, and a company is already inte...

Scientists pinpoint inflammation gene

...issues." Along with Blangero, lead researchers in identifying the SEPS1 (Selenoprotein S) gene's influence on in...PS program, sequencing their entire SEPS1 gene and identifying all the genetic variations among individuals. These molecular genetic analyses were performed at the...

Stem cell microenvironment reverses malignant melanoma

... approach to investigating the possible effects of identifying the microenvironmental factors produced by hESCs on reversing the metastatic properties of tumor cells," Hendrix said. ...

Role of microRNA identified in thyroid cancer

...his year. "This is just the beginning of our work identifying the role of miRNAs in thyroid cancer," says He. "But we are encouraged by these findings. We feel that they help point the way toward new options in diagnosis and treatment for this disease." ...

A new step towards an AIDS vaccine

... partially reverted by anti-retroviral therapy. By identifying the active component of HIV-1 which stimulates pDC function, and consequently other antigen presenting cell function, the authors have recognized an important pathway whereby DC function can be targeted in the design of efficient vaccines or immunoth...

Fruit fly research set to revolutionize study of birth defects

...ings), tufts of bristles and rough eyes." While identifying this gene array is significant in its own right, the successful use of fruit flies in this kind of study is a revelation to the researchers who view it as an efficient model for the initial testing of "rescue" therapies to try to prevent birth defect...

New insights into the software of life

...d the consortium has a made a massive step towards identifying all of those building blocks. But the genome must also contain the code to ensure that protein building blocks are made in the right place at the right time. "The new data provides several indications of the molecular basis of evolution and why we ...

Retinal scans eyed for New Mexico show cattle

... $2 tags contain a unique 15-digit electronic code identifying each animal like a Social Security number for life. Located on the cow's left ear, the tags are about the size of a bottle cap. With more than 900 RFID tags applied since May, only two have been lost. Using a panel tag reader located on a cattle ch...

Cornell finds natural selection in humans

...ltimately lead to disease. This is a first step in identifying the classes of genes that appear to be particularly vulnerable to these types of changes," said Bustamante. A team from Celera initiated the project and sequenced more than 20,000 genes in 39 humans and a chimpanzee. By comparing the DNA sequences ...

Plant genes identified that can form basis for crops better adapted to environmental conditions

... of Plant Systems Biology took on the challenge of identifying all the genes that are involved in the process of capillary root formation. They used a simple model plant for this study: the Mouse-ear Cress or Arabidopsis thaliana. Large-scale research identifies genes involved in capillary root formation Fir...

UT Southwestern researchers develop screening test for cells that activate immune system

... the immune response. It may also prove useful in identifying biothreat agents because it detects infectious pathogens with high sensitivity. Dr. Takashima said he hopes to garner additional funding to discover potent immuno-stimulatory drugs by screening high-quality libraries of compounds. Doing so may be...

UF study first to quantify validity of DNA I.D. tool using marine snails

...much about," he said. "That's where the problem in identifying different species is greatest, where the bulk of t...er said. One applied use already being employed is identifying the bird species responsible when a carcass damages an airplane engine, he said. "Engines are built ...

Study hints at role of stem cell genes in testicular, breast cancers

...om ongoing research in the Reijo Pera lab aimed at identifying the genes that lead human embryonic stem cells to evolve into early-stage germ cells, and ultimately to specialize as sperm-producing cells or eggs, or "ooctyes." The goal of this research is to identify the genetic missteps that lead to birth defect...

Study findings offer potential new targets for antibiotics

...ed within critical regions of the ribosome. After identifying dozens of deleterious mutations, the researchers were able to produce a composite map showing where these mutations were positioned on the ribosomes. Interestingly, the map indicated that there were four additional places on ribosomes where these mut...

Fighting malaria by manipulating mosquitoes' sense of smell

.... The researchers intend to set up a pipeline for identifying and testing non-toxic chemical odorants that attra...ractants and repellents for malaria mosquitoes and identifying effective methods for using them to reduce the spread of malaria," says Laurence J. Zwiebel, associa...

Techniques available to detect soil that inhibits destructive soybean pest

...Nematology, Westphal summarizes the techniques for identifying soil that specifically suppresses soybean cyst nematodes. He also discusses how to use nematode-suppressive soils to battle the root-dwelling pests and the limitations of the techniques. In previous research on a different cyst nematode, Westphal an...

Tiny avalanche photodiodes target bioterrorism agents

... create an inexpensive detection system capable of identifying the unique spectral fingerprints of a biological agent attack. The Northwestern team, led by center director Manijeh Razeghi, became the first to demonstrate 280 nanometer APDs. These devices, based on aluminum gallium nitride (AlGaN) compound semic...

Scientists discover genetic pathway responsible for breast cancer cell growth

...ound in the genome of breast cancer cells, thereby identifying a large number of genes that respond to this hormone in a single experiment. "This technology, first developed for the study of yeast, now offers the opportunity to rapidly identify, in a genome-wide manner, the genes involved in the response to natu...

NASA satellite data provides rapid analysis of Amazon deforestation

...estimating the total area of deforestation or when identifying small clearings, "the most exciting finding of this study is that it shows MODIS can permit regional analyses of land cover in a matter of days, a substantial reduction in effort in comparison to the months now required with Landsat," said Douglas Mo...

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