Two warbler species find the West isn't big enough for both of them
...erica, has been steadily displacing its more timid sister species, the hermit warbler, for thousands of years. New research suggests that substantially higher levels of androgens specifically the hormones testosterone and dihydrotestosterone have given male Townsend's warblers the upper hand in competiti...Alterations in vitamin D receptor gene increase prostate, breast cancer risk
...of Cancer Epidemiology, Biomarkers & Prevention, a sister publication to Clinical Cancer Research. Intriguingly, the F variant that increases the chance of developing breast cancer when associated with other VDR variants also contributes to increased risk and aggressiveness of prostate cancer in African-Am...Virginia Bioinformatics Institute researcher advances fight against sudden oak death disease
... of California and Oregon oak trees. P. sojae, the sister pathogen to P. ramorum, causes serious damage to soybean crops and cost growers $1 billion worldwide last year. The sequences of P. sojae will act as a "Rosetta Stone" to help researchers better understand P. ramorum's genome makeup and uncover valua...Small trial shows daclizumab add-on therapy improves MS outcome
...tudy was a collaboration between the NINDS and its sister agency, the National Cancer Institute (NCI). Thomas Waldmann, M.D., chief of the metabolism branch for NCI's Center for Cancer Research, developed the antibody used in the trial. Daclizumab (trade name Zenapax) received FDA approval in 1997 for use ...Genome-wide screen reveals new tricks of old genes
...king the DNA sequence are also involved in keeping sister chromosomes together, and it's a great starting point for understanding more."...UVa researchers describe method of protecting chromosomes during cell division
...xact copies of a long DNA strand packaged into two sister chromatids. When a cell divides, it forms a spind...uses these microtubule connections to pull the two sister chromatids to opposite sides of the cell, and the cell is then cleaved between the two DNA masses. ...Stanford study questions identity of alleged Romanov bones
...erved finger of the late Grand Duchess Elisabeth - sister of Tsarina Alexandra, one of the 1918 victims - which failed to match the tsarina's own DNA. The Stanford team's findings are reported in the January/February issue of the Annals of Human Biology. Flawed experiments? The original DNA analysis was a...Envisat concludes a busy second year in orbit
...sabel looming up on the United States coast, while sister satellite ERS-2 mapped the wind fields powering the storm. During Europe's long hot summer of 2003 Envisat's Advanced Along Track Scanning Radiometer (AATSR) showed the Mediterranean 'hot flush' that occurred as a result. In the aftermath of the wors...'Bat saliva' drug and new MRI techniques offer hope for acute stroke treatment
...nts knew which substance the patient received. The sister study, DEDAS, is ongoing in 17 centers and expects to recruit more than 100 patients in the United States, with the same study design. In both studies, MRI was used to identify patients who have the potential to benefit most from this therapy. By ima...Examining cardiac performance of tunas at the cellular level
...n, the same as that of its warm water (ecothermic) sister the mackerel? Why should it matter? A research team from Stanford University's Tuna Research and Conservation Center has investigated the intrinsic differences among these tunas. Their findings suggest that a key step in the evolution of the tuna's h...New Georgia Tech Biosciences Center assists life-science startup companies
...ms need to become high-growth companies. And, as a sister entity to ATDC, VentureLab assists Georgia Tech faculty in the tech-transfer process -- moving innovations out of the university lab and into commercial markets. VentureLab works with faculty to identify innovations that have commercialization potent...BRCA mutations do not increase risk of colorectal cancer
...her a family history of breast cancer in a parent, sister or daughter was associated with the development of colorectal cancer. "We found no association between a family history of breast cancer in a first-degree female relative and an increased risk of colorectal cancer," says Gruber, an assistant profess...Wright State biologist studies birds to learn how our stomachs convey thoughts of hunger
...birds. He visited Okayama University of Science, a sister university of Wright State, plus the University of Tokyo and Nagoya University. "We often think of our stomachs as having a clock," he said. "We anticipate food, and our gastrointestinal tract is prepared for food when it arrives. Our research inves...One fig, one wasp? Not always!
...n years. Some cryptic wasp species are actually sister species, i.e. they share the same ancestor and probably evolved within a single host fig species or very closely related species. However, genetically identical wasps may also be found on two different fig hosts, suggesting that new associations may ...Scientists debate meaning of 40-million-year-old primate fossils in Nature
...t lemurs, lorises and bushbabies, which comprise a sister group to higher primates, might have originated in Indo-Madagascar rather than in Africa. So says Robert D. Martin, Provost and Vice President of Academic Affairs at The Field Museum in Chicago, and author of a commentary about a paper by Seiffert an...Methane and mini-horses: Fossils reveal effects of global warming
...the larger species were simply replaced by smaller sister species, but Gingerich hopes to answer that question as he continues to work on the project. He and his coworkers, William C. Clyde of the University of New Hampshire and Scott L. Wing and Guy J. Harrington of the Smithsonian Institution, also hope t...Exercise and imaging tests predict heart events in high-risk families
... healthy adults ages 30 to 59 who had a brother or sister with heart disease, according to results published in the Feb. 11 issue of Circulation, an American Heart Association journal. "Although we already know the risk of siblings developing coronary artery disease is much higher than that of the genera...Facing extreme ice conditions, coast guard, NSF deploy second icebreaker to Antarctica
..., a single icebreaker, either the Polar Sea or its sister ship, the Polar Star, is sufficient to break a channel into the station and to escort the supply vessels in and out. Last year extensive sea ice conditions required that the Polar Sea and Polar Star be sent south together. The two ships were success...Clock cues: Cellular sensing, metabolism research wins Amersham Biosciences and Science Prize
...fy several previously unknown proteins involved in sister chromatid cohesion. Toth continues his work at the University of Cambridge, UK. NORTH AMERICA/RENT Control: The finale of cell division is another crucial but poorly understood phenomenon, but Wenying Shou's work at the California Institute of Techno...Twin sister mechanism prevents formation of genetic mutations
...ng cell.) According to this theory, if one of the sister chromosomes is damaged, the other can serve as a b...r mechanism based on a genetic "donation" from the sister chromosome is unusually common: it is responsible for 85% of last-resort repairs -- those performed ...