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Tag: "expansion" at biology news

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

... time, scientists also cataloged the retention and expansion of some gene families characteristic of more complex organisms. Detailing the first systematic study of relatively recent horizontal gene transfer into a protist, scientists report evidence in the DNA sequence that E. histolytica likely picked up a ...

Essential mangrove forest threatened by cryptic ecological degradation

...ortant and most aesthetic species is masked by the expansion of less important species. The authors emphasize that such cryptic ecological degradation must be acknowledged by policy and decision makers if mangrove protection is an aim. The research team argues that early detection of such changes should be ado...

Genetically modified natural killer immune cells attack, kill leukemia cells

...tically modified K562 cells quickly stimulated the expansion of the NK cell population to more than10,000 times their original number. The technique triggered growth of NK cells specifically, which greatly simplified the ability of the researchers to collect a pure population of these immune cells. The resear...

The BIOS Initiative - open source biotechnology is born

...plications and patents in over 40 countries. "This expansion is part of our ongoing effort to restore transparency and trust in patent systems that are often perceived as misaligned with public interest", says Greg Quinn, Senior Informatics Specialist at CAMBIA. "BIOS is a model for a new innovation system fo...

Boosting HIV screening can increase survival and is cost effective

... represents a golden opportunity to jump-start the expansion of HIV testing services in the U.S.," said Yale lead author A. David Paltiel, associate professor of health and policy administration in the Department of Epidemiology and Public Health at Yale School of Medicine. "Our findings, coupled with those of...

Affymetrix and Stratagene Announce Strategic Software Alliance

...alidation." "We are very pleased to announce this expansion of our longstanding relationship with Stratagene," said Steve Lincoln, Vice-President of Informatics at Affymetrix. "The combination of our GeneChip platform and the ArrayAssist software makes the industry-leading methods for measuring gene expressio...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...s is located in Naperville, Illinois. "This is an expansion of the study of the first 10 patients completed in... to read letters, improvement in color vision, and expansion of their visual field. Some patients gained new ability to recognize facial features -- something th...

Ophthalmologists implant five patients with artificial silicon retina microchip

...s is located in Naperville, Illinois. "This is an expansion of the study of the first 10 patients completed in... to read letters, improvement in color vision, and expansion of their visual field. Some patients gained new ability to recognize facial features -- something th...

UCLA launches $20 million stem cell institute to investigate HIV, cancer and neurological disorders

...nt for a dozen new faculty positions, salaries and expansion of highly sophisticated laboratory space, infrastructure, and supplies. Dr. Owen Witte, a renowned scientist whose laboratory research laid the groundwork for development of the targeted leukemia therapy Gleevec, is director of the new institute. He...

Small species back-up giant marsupial climate change extinction claim

...to the disappearance of woodland and scrubland and expansion of grassland. To verify their results carbon dating was performed on samples. And further work, due to be published later in the year, on other sites in the region confirm the stratification of fossils in the creek bed. The dig also failed to unear...

Genetically Modified Natural Killer Immune Cells Attack, Kill Leukemia Cells

...tically modified K562 cells quickly stimulated the expansion of the NK cell population to more than10,000 times their original number. The technique triggered growth of NK cells specifically, which greatly simplified the ability of the researchers to collect a pure population of these immune cells. The resear...

Oceans more vulnerable to agricultural runoff than previously thought, study finds

...despread and severe as a consequence of the global expansion of industrialized agriculture and the intensification of certain practices," the authors wrote. "Nitrogen-based fertilizers are the primary source of nitrogen pollution, and their use is predicted to double or triple over the next 50 years." ...

AIDS Public Awareness Campaign Expands Following Report Of Rapidly Progressive HIV

...ovello, M.D., M.P.H., Dr.P.H., today announced the expansion of New York State's HIV/AIDS Public Awareness and Education campaign to help combat the potential spread of HIV and further protect New Yorkers from the virus that causes AIDS. Dr. Novello said, "In light of recent reports of a drug-resistant, rapid...

Amazon symposium to address large-scale conservation

...diminish the environmental destruction of frontier expansion along emerging highway corridors, and (3) the transformation of grain and beef production industries into proponents of Amazon conservation using a combination of market-based instruments and improved government regulation. This symposium will provi...

Evolution of taste receptor may have shaped human sensitivity to toxic compounds

...d versions of the receptor gene arose prior to the expansion of humans out of Africa. The researchers went on ...d have come into particular play during periods of expansion into new environments. More broadly, the work contributes to the debate on the mechanisms governing ...

Scientists find microRNAs regulate plant development

...at control the processes of cell division and cell expansion in specific plant tissues at specific stages during the plant life cycle - e.g. for leaves, roots, and floral organs to develop in the correct patterns and correct time sequence. Research reported in The Plant Cell shows that microRNAs control the ac...

Scientists track stealth DNA elements in primate evolution

...AluYb subfamily underwent a major species-specific expansion in the human genome during the past 3-4 million ye...ctive progeny that contribute to the formation and expansion of Alu elements in the human genome. To date, the most widely accepted theory of Alu retrotransposi...

Pinpointing the cause of a neurodegenerative disorder

... no longer eat or breathe. "We had known that the expansion of the glutamine tract within Ataxin-1 probably in...d been accumulating clues that the glutamine tract expansion is clearly what is important for disease because that's the mutation," said Zoghbi. "But we also con...

OHSU research shows vitamin C counteracts some negative impacts of smoking on unborn babies

... be significant as elastin plays a key role in the expansion and contraction of lung during breathing." "Smoking remains a very significant problem during pregnancy and also during infancy," explained Michael Gravett, M.D., chief of maternal-fetal medicine in the Department of Obstetrics and Gynecology, OHSU ...

Crisis in African fish supplies looms, experts warn Africa leaders

...ently so sparsely developed that an estimated 260% expansion in fish production from aquaculture there is needed by 2020 to maintain per capita consumption levels. Fish and HIV/AIDS in Africa The WorldFish Center says small fish farms require little financial investment, physical strength or education ?a l...

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