Scientists find lamprey a 'living fossil'
...erved fossil lamprey from the Devonian period that reveals today's lampreys as "living fossils" since they ha..., yet with highly specialized feeding habits." It reveals that the anatomical evolution of lampreys is more conservative than scientists thought, Coates added...Biodiversity controls ecological 'services,' report scientists in comprehenisive analysis
...e, one of the 111 studies included in the analysis reveals the role of species diversity in controlling agricultural pests. That experiment shows the critical importance of the ladybug beetle part of a synergistic "team" of three aphid predators. In this study, Cardinale presented evidence that together, a ...Honey bee chemoreceptors found for smell and taste
...hampaign. "The recently completed honey bee genome reveals a remarkable expansion of the insect odorant recep...nstitute for Genomic Biology. "The bee genome also reveals far fewer gustatoryreceptors those used for the sense of taste than we had anticipated." In work f...Viral marker of human migration suspect
...n size followed by a rapid increase, a closer look reveals that while human populations started to expand considerably about 50,000 years back, the viral population expanded only in the last few hundred years. "Besides, there are several instances of one population group harboring a subtype typically associ...Lupus Research Institute awards $4.5 million to explore new approaches to lupus
... research." A breakdown of the 2006 recipients reveals that: 8 are established investigators new to lupus research 6 are new investigators 9 are pursuing basic science 6 are pursuing clinical research 10 will be conducting studies in animals 5 will be conducting studies in humans "T...New MUHC study adds more evidence to clear measles mumps rubella vaccine as a risk factor for autism
...y, published in the scientific journal Pediatrics, reveals fundamental errors in previous molecular studies that falsely implicated the MMR vaccine as a risk factor for autism. This study arose from a cross-disciplinary collaboration between Dr Brian Ward, Chief of Infectious Diseases at the MUHC, and Dr Eri...ACS News Service Weekly PressPac -- October 11, 2006
...ivery vehicles for gene therapy New microscope reveals deadly secret life of malaria parasites inside hum... ARTICLE #2 FOR IMMEDIATE RELEASE New microscope reveals deadly secret life of malaria parasites inside human cells Bioinorganic Chemistry Scientists at G...18th EORTC -- NCI -- AACR Symposium
...n immunoconjugate anti-cancer drug; clinical trial reveals limited side effects and evidence that it can stabilise disease Apoptotic and anti-angiogenic therapies work better together than alone in tests on Ewing's sarcoma in mice patient trials planned...Gene involved in common birth defect also regulates skin biology
...h have been extensively investigated. The UI study reveals that IRF6 has a different function than the other known IRF genes, which are all primarily involved in the immune response. Its newly identified role in cell proliferation and differentiation may mean that IRF6 also is involved in other medically imp...Lennart Nilsson Award for outstanding photography of the world of insects
...thers the discipline of scientific photography and reveals what was previously unknown. The Award of SEK 100,000 (around 13,500 USD), will be presented in Berwaldhallen in Stockholm, Sweden on the second of November 2006. The occasion will also host the annual installation of Professors at the Karolinska In...Few clues about African ancestry to be found in mitochondrial DNA
...ished today in the open access journal BMC Biology reveals that fewer than 10% of African American mitochondrial DNA sequences analysed can be matched to mitochondrial DNA from one single African ethnic group. There has been a growing interest in the use of mitochondrial DNA to trace maternal ancestries, and...New technique boosts size of proteins that can be analyzed
... and identify the proteins. However, this approach reveals less information concerning modifications to proteins. Such important cellular processes as oxidation and acetylation of proteins add chemical groups and alter how a protein functions, such as modifying an enzymatic pathway. The bottom-up approach is...A means to an end: Telomere maintenance and bone marrow failure
...ins (UC Berkeley) in the October 15th issue of G&D reveals a molecular mechanism underlying bone marrow failure in the X-linked human disease, dyskeratosis congenita (DC). DC is a rare, progressive bone marrow failure syndrome that is fatal early on in life. Working with cells derived from DC patients, Drs. ...How did bilaterally symmetric flowers evolve from radially symmetric ones?
...ts with radially symmetric flowers. "This study reveals that natural selection can play a key role in the evolution of flower bilateral symmetry," says Camacho. "Our data also suggest that it is possible to understand the evolution of complex forms by means of microevolutionary analyses, as complementary ...How nature tinkers with the cellular clock
...lished in this week's online issue of Nature, also reveals that although most components of the cell cycle have been conserved over one billion years, the temporal regulation of this process has evolved remarkably fast. The cell cycle is so fundamental for a cell that its machinery has been almost entirely ...New target for cancer therapy identified
...human cells," Associate Professor Liu said. "This reveals an important mechanism for developing anti-cancer agents that mimic these proteins and thereby inhibit the production of telomerase. "...Study details structural changes of a key catalytic enzyme
...Research. "The importance of this study is that it reveals how dynamic structural fluctuations channel an enzyme through its reaction cycle-the thermal motions of the protein are harnessed to perform its biological function, in this case, catalysis. Knowledge of the excited-state conformations of proteins ma...Fatty acids and caveolin-1 are essential in liver regeneration
...s two important contributions: On the one hand, it reveals the main vital function of lipid bodies and caveolin. This is a protein linked to the storage of lipids and cell cycle, but a situation where its presence is indispensable for the survival of experimental animals has been described in this study for ...Flipping the angiogenic switch
A new paper in the September 15th issue of G&D reveals how pancreatic tumors get the blood supply they need to thrive and spread. "150 years ago, the German pathologist Rudolf Virchow first proposed the idea that cancers are wounds that never heal. Our data present a stark example of the remarkable mole...New breast cancer screening tool helps general practitioners
... journal of the American Cancer Society, the study reveals a newly developed, simple scoring tool called the "pedigree assessment tool" (PAT) was 100 percent sensitive in identifying women at high risk for the hereditary breast cancer syndrome. The PAT outperformed another commonly used tool, the modified Ga...