UCR biologists unravel the genetic secrets of black widow spider silk
...tthew Collin report their findings in the June 13 online edition of the journal PLoS ONE, published by the Public Library of Science (PLoS). In the article , they describe their work to identify the genes encoding the two key proteins, named MaSp1 and MaSp2, and determine the genes complete DNA sequences....Study shows lizard moms dress their children for success
...r as adults. In a paper published June 10 in the online early edition of the journal Ecology Letters (and in a later print issue), the researchers reported that female side-blotched lizards give an extra dose of the hormone estradiol to their eggs in certain social circumstances. The extra hormone affects...Scientists decode RNA mystery, will help aim drug therapies
... targets. As reported in the June 13 issue of the online journal PLoS ONE, the researchers, led by Jonathan Dinman, assistant professor of cell biology and molecular genetics at the University of Maryland, have found the difference between two closely related components in the messenger RNA (mRNA) near-co...Australian wins prestigious prize in biodiversity informatics
..., and in furthering his work in building tools for online biodiversity analysis. He said " I look forward to using the Prize to broaden GBIF's range of data contributors to include industry and natural resource management agencies, and in further developing its contribution to biodiversity conservation p...BRCA2 carriers at increased risk for deadly form of prostate cancer
...r than noncarriers, according to a study published online June 12 in the Journal of the National Cancer Institute . Mutations in the BRCA2 gene are associated with increased prostate cancer risk, but it has been unclear whether they are related to progression of the disease. Laufey Tryggvadttir of the ......sonic calls of mouse pups. Their work is published online this week in the open-access journal PLoS Biology. Earlier studies demonstrated that mothers, but not virgin females, recognize pup calls as behaviorally significant. In the current study, Liu and Schreiner show that the timing and strength of the ...U-M researchers discover gene switched off in cancer can be turned on
...ool. Results of the study appear in the advanced online publication of the journal Oncogene. The researchers sought to understand why BRM is not expressed in certain cancer cell lines. They found no mutations to the gene but rather that it was just silent essentially like a switch that had been turned ...Researchers shed light on mechanism of action used by anti-cancer drug
...1, and other proteins. The findings were published online in the journal Molecular and Cellular Biology on June 4. According to Grant, sorafenib, or Nexavar which is manufactured by Bayer Pharmaceuticals, has recently been approved for the treatment of patients with renal cell cancer, the most common form...Cell Press announces new partnership with the American Society of Human Genetics
...d publication of high-quality content and expanded online access. This notable partnership with ASHG marks the first society-owned publishing agreement for Cell Press. Emilie Marcus, Editor-in-Chief of Cell Press, states, ASHG and its journal share with Cell Press a commitment both to understanding th...Cancer stem cells can go it alone
... cells. In a study to be published in this weeks online edition of the Proceedings of the National Academy of Sciences an international group of researchers led by Nobel Laureate Renato Dulbecco, M.D., a distinguished research professor and president emeritus of the Salk Institute, demonstrates that injec...Researchers shed light on shrinking of chromosomes
...re course of cell division. In this weeks advanced online publication of Nature Cell Biology they report crucial new insights into timing, function and molecular basis of chromosome condensation. What happens when chromosomes are not correctly separated and distributed during cell division we know very well......on in the stem cell niche. Their work is published online this week in the open-access journal PLoS Biology. The researchers show that signals from the adjacent mesenchymal tissue regulate epithelial stem cells and form a complex regulatory network with epithelial signals. They also show that spatial diff...Identification of genetic risk factor for coeliac disease promises improved treatment
...ctor for coeliac disease. The findings, published online today (10 June 2007) in the science journal Nature Genetics, could pave the way towards improved diagnostics and treatments for the common, lifelong complaint. Led by David van Heel, Professor of Gastrointestinal Genetics at Queen Mary, University...Caribbean frog populations started with single, ancient voyage on South American raft
...al Academy of Sciences and posted in the journal's online early edition this week. The field work for the study required nearly three decades to complete because many of the species are restricted to remote and isolated mountain tops or other inaccessible areas. Some species included in the study are beli...Scientists propose the kind of chemistry that led to life
...own chemical and physical laws. The work appears online this week in The Proceedings of the National Academy of Sciences. ( http://www.pnas.org/cgi/content/abstract/0703522104v1 ) The basic idea is that simple principles of chemical interactions allow for a kind of natural selection on a micro scale: e...Competition, loss of selfishness mark shift to supersociety
...ives termed superorganisms. In a paper published online May 21 before print by the Proceedings of the National Academy of Sciences (PNAS), a pair of researchers from Cornell University and Arizona State University propose a model, based on tug-of-war theory, that may explain the selection pressures that m...Hormone that signals fullness also curbs fast food consumption and tendency to binge eat
...ontrol of eating in obese subjects, appears in the online edition of the American Journal of Physiology-Endocrinology and Metabolism. Pramlintide is the synthetic form of amylin, a satiety hormone produced by the beta cells of the pancreas, which also produce insulin. Satiety hormones are commonly thought......ute of Technology (MIT) report in the June 7 early online edition of Science that they have identified a neuronal mechanism that our brains may use to rapidly distinguish similar, yet distinct places. The work could lead to treatments for memory-related disorders, as well as for the confusion and disorie...New collaborative research reveals chimpanzees can sustain multiple-tradition cultures
...eir answer: Yes. The study, available in todays online edition of Current Biology, confirms captive chimpanzees have the capacity to sustain the same kind of multiple-tradition cultures many researchers believe exist in the wild, providing further evidence chimpanzees and humans shared a common ancestor ...Malaria and Epstein-Barr virus linked to pediatric cancer in Africa
...not been well understood. In a new study published online in the open-access journal PLoS Pathogens, researchers at the Karolinska Institutet in Stockholm explain how certain Plasmodium falciparum antigens directly induce Epstein-Barr virus (EBV) reactivation, increasing the risk of Burkitt lymphoma. EB...