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Evolutionary Biology
Biology
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Biotechnology and Bioengineering
Context Crucial When It Comes to Mutations in Genetic Evolution
June 13, 2013 — Evolutionary biologists have found that whether a given mutation is good or bad is often determined by other mutations associated with it. In other words, genetic evolution is ... > full story -
Medieval Leprosy Genomes Shed Light on Disease's History
June 13, 2013 — Scientists have reconstructed a dozen medieval and modern leprosy genomes -- suggesting a European origin for the North American leprosy strains found in armadillos and humans, and a common ancestor ... > full story -
Programming Blood Forming Stem Cells
June 13, 2013 — By transferring four genes into mouse fibroblast cells, researchers have produced cells that resemble hematopoietic stem cells, which produce millions of new blood cells in the human body every day. ... > full story -
Culprit Implicated in Neurodegenerative Diseases Also Critical for Normal Cells
June 13, 2013 — The propensity of proteins to stick together in large clumps -- termed "protein aggregation" -- is the culprit behind a variety of conditions including Huntington's and Alzheimer's. With this ... > full story -
New Fluorescent Protein from Eel Improves Key Clinical Assay
June 13, 2013 — Unagi, the sea-going Japanese freshwater eel, harbors a fluorescent protein that could serve as the basis for a new clinical test for bilirubin, a critical indicator of human liver function, ... > full story -
Protein Protects Against Breast Cancer Recurrence in Animal Model
June 13, 2013 — Precisely what causes breast cancer recurrence has been poorly understood. But now a piece of the puzzle has fallen into place: Researchers have identified a key molecular player in recurrent breast ... > full story -
DNA Brings Materials to Life: DNA-Coated Colloids Help Create Novel Self-Assembling Materials
June 13, 2013 — A colloid is a substance spread out evenly inside another substance. Everyday examples include milk, styrofoam, hair sprays, paints, shaving foam, gels and even dust, mud and fog. One of the most ... > full story -
Gene Variants May Predict Who Will Benefit from Breast Cancer Prevention Drugs
June 13, 2013 — In women at high risk for breast cancer, a long-term drug treatment can cut the risk of developing the disease in half. Researchers have identified two gene variants that may predict which women are ... > full story -
Jammed Molecular Motors May Play a Role in the Development of ALS
June 12, 2013 — Delays in the transport of nutrients, proteins and neurotransmitters along the nerve axon could be a major factor in the development of the neurodegenerative disease ... > full story -
Deep Biosphere Harbors Active, Growing Communities of Microorganisms
June 12, 2013 — The deep biosphere -- the realm of sediments far below the seafloor -- harbors a vast ecosystem of bacteria, archaea, and fungi that are actively metabolizing, proliferating, and moving, according a ... > full storyMore:
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