Scientists prove that disputed Korean stem cell line comes from an unfertilized egg and not cloning
...ion of SCNT-hES-1 represented the first successful isolation of human pES cells, offers Dr. Daley. The authors conclude that, although there are still significant obstacles to overcome in the generation of pES cells, parthenogenesis is an efficient way of generating embryos and that it may someday be feasibl...Discredited Korean embryonic stem cells' true origins revealed
...usively determine what they had created. The first isolation of parthenogenetic stem cells from humans would have been an important contribution, but the Hwang group's attempt to pass off the cells as made by nuclear transfer was instead "a woeful case of misconduct," he says. Parthenogenesis is a method of ...Learning a second language -- Is it all in your head?
...ts ability to identify individual speech sounds in isolation rather than learning speech sounds in a linguistic context. Others have looked at the connection between existing language proficiency and brain structure. While our study demonstrates a link between biology and linguistics, we do not argue that biol...The Cancer Genome Atlas awards funds for technology development
...s project will develop methods for high-throughput isolation of genomic regions for DNA sequence analysis. University of California-Davis; Peggy Farnham, Ph.D.; $418,000. Scaling the ChIP-chip Assay to Improve Analysis of Clinical Biospecimens. These researchers will work on methods that can be used to ...Major study predicts grim future for Europe's seas
...e study illustrates how management of fisheries in isolation from the other environmental issues is unlikely to lead to overall sustainability....Ancient DNA traces the woolly mammoth's disappearance
...tic groups, implying that mammoths had diverged in isolation for some time before merging back into a single population. The DNA further suggests that no later than forty thousand years ago, one of the groups died out, leaving only the second alive at the time of the mammoths last gasp. At a time when we sho...Existence of muscle-building stem cells points to regenerative therapies for muscular disease
...entification of markers enabling their prospective isolation from human muscle tissue. "Alternatively," they added, "understanding the molecular regulation of satellite stem cell symmetric versus asymmetric cell division will lead to identification of biologics or small drugs that specifically target the rel...When lava flows and glaciers recede, predicting how species take over
... also found that certain adverse conditionssuch as isolation of the new community or an unfavorable climatemay hinder the arrival of new species, thereby slowing the rate at which the community fills with species and sometimes causing peak rates of change to occur later in succession. Anderson's study provid...ACS News Service Weekly PressPac -- May 16, 2007
...ort from scientists in New York, who are reporting isolation of chemical compounds from apple peel that may be involved in the apples beneficial health effects. Their report is scheduled for publication in the May 30 issue of ACSs Journal of Agricultural and Food Chemistry . In the study, Rui Hai Liu and Xi...Global survey of lizards reveals greater abundance of animals on islands than on mainland ecosystems
...f islands had found that islands limited areas and isolation can reduce predation and competition pressures. As a result, island animals were able to reach exceptionally high densities. In their study, Jetz and Buckley confirmed that reduced numbers of predators and competitors accompany high lizard densiti...Stem cell identity in culture may strongly depend on the cellular microenvironment
Identification, isolation and large scale culture of stem cells for potential medical applications is a major challenge in cell biology. In an upcoming PLoS ONE paper, researchers, including Andras Paldi, in Genethon (Evry, France) report, on the basis of experimental observa...New network launches to keep UK at forefront of stem cell science
...rong historical foundation going back to the first isolation of embryonic stem cells in Cambridge over a quarter of a century ago by Professor Sir Martin Evans. Since this seminal advance, the UK has continued to be world leading in stem cell research, establishing centres of excellence across the country incl...Life-long learning -- nature provides natural inspiration for education
...hing science, rather than teaching each subject in isolation and to increase their understanding of interdisciplinary research and knowledge transfer. Dr Thomas Speck (University of Freiburg, Germany) will show how his research on the Technical Plant Stem* and the theoretical background in its development may ...Gene hunters, patent prospectors leave indigenous communities in Pacific feeling besieged, betrayed
... key resource of the new world bio-economy and our isolation and diversity makes the Pacific Islands particularly attractive." The modern bio-economy crashes head on with traditional cultural and spiritual values in the South Pacific, she adds. "Plants and animals are not seen as mere physical or biologica...New bird species found in Idaho
...bill). "This indicates that levels of reproductive isolation characteristic of recognized species can evolve rapidly even in the continued face of potential gene flow" says Benkman. It also shows that coevolution can be a potent force for rapidly generating biodiversity....Potential genetic testing for substance abuse raises hope, concern
...e behavioral problems, as genes do not function in isolation but are influenced by other genes and environmental factors, said the study's lead author Robert Philibert, M.D., Ph.D., professor of psychiatry in the UI Roy J. and Lucille A. Carver College of Medicine. "Our study suggests that analyzing the exp...New genetic mutations found that may cause cleft lip/palate
...te is also known as non-syndromic, as it occurs in isolation and not in association with any known syndrome. The team compared the DNA from 184 people from Iowa and the Philippines had non-syndromic cleft lip and palate with DNA from people without the condition. Riley led the effort that found the mutations i...Discovery of chemical profiles for infectious diarrhea
...ives and reduce the cost burden to the NHS. Early isolation of infectious patients would reduce hospital outbreaks leading to fewer ward/hospital closures. " "Rapid diagnosis of intestinal illnesses is as useful a contribution to public health as one could imagine," said Gerald Weissman, M.D., editor-in-ch...Neuroscientist Robert Sapolsky will discuss stress, health, Feb. 17 at AAAS meeting
...t when it comes to stress-related diseases, social isolation may play an even more significant role than social...s, humans can overcome their low social status and isolation by belonging to multiple hierarchies. "We are capable of social supports that no other primate can......ulations, the scientists employed the principle of isolation by distance. According to this principle, the genetic distance between two populations has a linear correlation with the length of the migration paths taken since they were separated. "It's actually quite logical," explains Dr. Mark Achtman, "because...