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Tag: "diverse" at biology news

Bioartificial kidney under study at MCG

... of the work of the kidneys, which are involved in diverse functions ranging from regulating vitamin D to modulating the immune response. "Existing forms of dialysis have only replaced the ability of the kidneys to rid the body of waste products and correct abnormalities in blood chemistry; they don't replac...

Molecular biology fills gaps in knowledge of bat evolution

...aps in the evolutionary history of one of the most diverse group of mammals on earth and the only mammals capable of powered flight. The fossil record alone left bat evolutionary history about 61 percent incomplete, according to Springer. Bats play a major ecological role as plant pollinators and insect pred...

Spleen may be source of versatile stem cells

...ed by the bone marrow, but potentially toform such diverse organs as the small intestine, uterus, vascularsystem and lung. They theorize that a pocket of these uncommitted cellsmight remain in the spleen though adulthood. In addition toregeneration of islets, these cells might also produce bone cells -sugges...

Growth in the sea comes down to a struggle for iron

...nces as well. Their results will contribute to the diverse oceanographic understanding needed to determine whether or not adding iron to ocean waters is a wise tool in any attempts to manage a changing climate. ...

Research advances quest for HIV-1 vaccine

...g broadly neutralizing antibodies against globally diverse HIV. According to Dr. Wayne Koff, IAVI Sr. VP for Vaccine Research, "Elucidation of the critical features of 4E10 recognition of HIV-1 helps to define potential immunogens able to elicit 4E10-like antibodies. This is an excellent example of the treme...

Spider Venom Could Yield Eco-Friendly Insecticides

...t to be studied represent an untapped reservoir of diverse insecticidal compounds that could do more than control agricultural pests. As researchers inventory more kinds of venom and uncover insecticide leads, they may be able to target insects that transmit new and emerging human diseases, such as Lyme dise...

Purdue proves concept of using nano-materials for drug discovery

...nter for Membrane Protein Biotechnology combines a diverse range of researchers, from engineers to chemists, and pharmaceutical scientists to physicists. The research is supported by the Bindley Bioscience Center, which is part of Discovery Park, Purdue's hub for interdisciplinary research. ...

Researchers identify target for cancer drugs

... fly. Finding this complex conserved in species as diverse as flies and humans supports the claim that the mTOR/rictor complex is indeed a missing piece of the puzzle. According to Sarbassov, "If we find a molecule that can block the mTOR/rictor complex, then we may be able to prevent Akt from becoming acti...

Essential mangrove forest threatened by cryptic ecological degradation

...and Atmospheric Administration (NOAA). Drawing on diverse data sources, including assessment of contemporary mangrove assemblages in southern Sri Lanka, changing water runoff patterns, and archival material from the Dutch East-India company, the researchers show that over the past few decades contemporary i...

New Study from Affymetrix Laboratories Points to Changing View of How Genome Works

...ed with protein-coding genes. The team found many diverse kinds of RNAs transcribed from distinct regions of the genome, creating a complex pool of overlapping transcription. While the team validated many known protein-coding transcripts that contribute to this complex pool, they also discovered that: Sev...

Same mutation aided evolution in many fish species, Stanford study finds

...re predictable than lab experiments suggest. In a diverse group of fish called the stickleback, nature took advantage of the same genetic trick time and again to allow freshwater species to shed their burdensome body armor and transform into a lighter, spryer fish. This is among the first times scientists h...

Implanted Devices Detect High-Risk Heart Failure Patients

...in in a typical clinical setting in this medically diverse group of patients, the researchers said. The results of the study were presented by Duke cardiologist Roosevelt Gilliam, M.D., March 7, 2005, at the annual scientific session of the American College of Cardiology in Orlando. "When you talk to heart...

Wiley announces publication of Databasing the Brain

...t computational science and modeling issues to its diverse applications. Expertly edited by two pioneers in this growing discipline, the text covers the basic principles and specific applications across a range of problems in brain research. Extensively illustrated throughout, this book discusses the state...

LUCA technologies confirms real-time methane generation

...dia form a broad genus of bacteria known for their diverse metabolic pathways. Clostridia frequently thrive in anaerobic environments and many species are known for their heat tolerance. Thermatoga microorganisms are known to play a role in the anaerobic oxidation of hydrocarbons to alcohols, organic acids a...

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

... research Drawing together experts from fields as diverse as engineering to molecular biology, UCLA officials announced March 16 the formation of the Institute for Stem Cell Biology and Medicine to conduct embryonic and adult stem cell research that may lead to better treatments for HIV, cancer and neurolog...

HIV vaccine trial breaks ground for future research

... be studied in a wide range of racial, ethnic, and diverse risk-level groups. They concluded that the landmark study will inform future studies, and an HIV vaccine will be found only through robust public and private investment as well as a well-informed public and scientific community. ...

A human parasite with a streamlined mitochondrion

...y different specialized versions. In humans, these diverse carriers are needed to import and export the varied chemicals required, or produced, by our complex mitochondria. The presence of a single carrier in the Entamoeba mitosome means that it must be able to do far fewer jobs than our own mitochondria. Fu...

New insight into regulation of blood stem cells

...le that a single transcription factor controls the diverse processes of self-renewal, proliferation, and differentiation" says Dr. Cooke. "The next challenge is to understand how c-Myb controls HSC numbers and use this information to develop compounds that can regulate stem cell proliferation and differentia...

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

...roscientists," she said, "these findings about the diverse regional functions of the basal ganglia in humans have remarkable implications." "Our data even may be relevant to some forms of autism," Brown added. "Some people with autism don't understand or experience any sort of emotional attachment or romant...

Researchers uncover sequence of major rice pathogen

...s to cause disease. The genome encodes a large and diverse set of secreted proteins, including those defined by unusual carbohydrate-binding domains. This fungus also possesses an expanded family of G-protein-coupled receptors, several new virulence-associated genes, and large suites of enzymes involved in s...

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