Posts Tagged ‘biophysics’
Protein’s arm controls iron-sulfur cluster
RICE (US) —Scientists have learned how a protein that plays a role in diabetes, cancer, and aging uses entwined arm movements to control a potentially toxic payload of iron and sulfur. Continue…
Wednesday, February 1, 2012 11:53 - 1 Comment
Health & Medicine - Jan 19, 2012 9:32 - 0 Comments
Protein folding lags in early Parkinson’s
MICHIGAN STATE (US) — According to a new study, the protein “clumping” that sets off Parkinson’s disease is the result of a slower folding rate. (more…)
Science & Technology - Oct 14, 2011 11:16 - 0 Comments
Brainy robot gets an ‘A’ in biology
VANDERBILT / CORNELL (US) — Engineers have demonstrated for the first time that a computer can take raw experimental data and solve a complex biological modeling problem from scratch. (more…)
Science & Technology - Sep 22, 2011 10:38 - 0 Comments
Cells chatter to overcome wimpy ‘dial-up’
EMORY (US) — For the first time, scientists have quantified the data capacity of a biochemical signaling pathway and found a surprise—it’s way lower than even an old-fashioned, dial-up modem. (more…)
Health & Medicine - Sep 13, 2011 10:08 - 0 Comments
Mouse mirrors severe form of autism
U. BUFFALO (US) — The first transgenic mouse model of a rare and severe type of autism is expected to improve understanding of the disorder and help researchers design more targeted treatments. (more…)
Science & Technology - Aug 4, 2011 15:48 - 0 Comments
Seventh, eighth bases of DNA identified
UNC CHAPEL HILL (US) — Researchers have discovered the seventh and eighth bases of DNA, adding to the original four basic units—adenine, guanine, thymine, and cytosine—and two more that were discovered later. (more…)
Health & Medicine - Jul 12, 2011 10:41 - 0 Comments
Zinc safety net missing in diabetes
U. MICHIGAN (US) — A protein that normally pitches in to help with blood sugar regulation shows its dark side in people with type 2 diabetes, forming dense clumps that shut down insulin-producing cells. (more…)
Health & Medicine - May 5, 2011 16:13 - 0 Comments
How stressed out cells remain stable
U. PENNSYLVANIA (US) — Studying how proteins respond to physical stress is helping scientists understand how normal and mutated red blood cells remain stable. (more…)
Health & Medicine - Mar 10, 2011 16:51 - 0 Comments
New muscular dystrophy mars cognition
U. IOWA (US) — Scientists have identified a new gene mutation that causes a type of muscular dystrophy that manifests itself in cognitive ways, not muscular ones. (more…)
Science & Technology - Feb 25, 2011 10:19 - 0 Comments
Bacteria use pump to resist drugs
IOWA STATE (US) — Researchers have uncovered two parts of the three-part crystal structures of pumps that recognize and remove heavy metal toxins from bacteria. (more…)
Health & Medicine - Feb 14, 2011 12:47 - 0 Comments
Heart health hinges on enzyme
UNC-CHAPEL HILL (US) —Chocolate may be critical to a happy Valentine’s Day, but a certain enzyme appears to be largely responsible for heart health all year round. (more…)
Science & Technology - Feb 10, 2011 15:45 - 2 Comments
Mechanism clarifies DNA puzzle
U. ROCHESTER (US) — Scientists have discovered the purpose of a long-known but little understood DNA element that is unique to primates, including humans and monkeys. The finding offers insight into how genes function. (more…)
Science & Technology - Nov 3, 2010 16:19 - 0 Comments
Cell membrane: Like cornstarch and water
U. OREGON (US) — It turns out that cell membranes behave a lot like water and cornstarch. At rest they are very fluid, but when quickly perturbed, they bounce back like rubber. (more…)
Science & Technology - Nov 1, 2010 10:59 - 0 Comments
Gene helps fish hide in plain sight
VANDERBILT (US) — Scientists have discovered a new member of a gene family that has powerful influences on pigmentation and the regulation of body weight. (more…)
Science & Technology - Oct 13, 2010 9:54 - 2 Comments
Microbes grow electrifying whiskers
USC (US) — Some bacteria grow electrical hairs, known as nanowires, that let them link up in big biological circuits. (more…)
Science & Technology - Sep 27, 2010 16:51 - 0 Comments
How bacteria resist antibiotics
IOWA STATE (US) — Researchers have discovered the crystal structures of pumps that remove heavy metal toxins from bacteria, making them resistant to antibiotics. (more…)
Health & Medicine - Aug 2, 2010 22:50 - 0 Comments
Tool gauges bone’s fracture risk
UC SANTA BARBARA (US)—Physicists have developed a new tool to measure the strength and quality of bone. (more…)
Science & Technology - Jul 7, 2010 9:58 - 0 Comments
Computer simulates super-fast protein fold
RICE (US)—A computer program is allowing researchers to accurately simulate protein folding dramatically faster than previous methods. (more…)
Science & Technology - Jun 30, 2010 11:29 - 0 Comments
Now hear this: How brain localizes sound
NYU (US)—Researchers have identified a mechanism the brain uses to help process sound localization by focusing on how the brain computes the different arrival times of sound into each ear. (more…)
