Tag: "capping" at biology news

Hultgren Receives Prestigious Eli Lilly Award

...ngbacteria. The resulting antibodies bind to FimH, capping the tips of the hairsand preventing them from sticking to receptors in the bladder. In the MedImmunetrials, mice infected with E. coli did not succumb to disease. "This basicprinciple should be applicable to many infections, including meningitis,mid...

Finding Reveals Broader Role Of Telomerase Enzyme, Suggesting New Target For Extending Life Span Of Cell

... away, youstart to see an effect. This is why the capping role of telomerase isn'trevealed until the chromosomes get fairly short. When the chromosomes' telomeresare still very long, they do just fine stabilizing themselves by other means." The question now, said Blackburn, is how the telomerase works in it...

Wisconsin lake study shows persistence of acid rain effects

...ts are in large part thanks to the Clean Air Act's capping of sulfur dioxide emissions. But that good news is tempered by the evidence from Little Rock that lakes recover slowly from biological changes driven by acidity. Frost says other studies of northeast U.S. lakes have found little improvement in pH l...

Mammalian telomere maintenance

...u mediates mammalian telomere capping. Telomere capping conceals and disguises the ends of chromosomal DNA...uish it from double stranded DNA breaks. Telomere capping thereby prevents the fusion of chromosome ends, an event associated with genetic instability and a h...

Discovery of chromosome-capping activator could aid cancer research

...o both the telomere and the enzyme, activating the capping process. Previously, scientists had thought that Est1 was a fixed part of the telomerase bundle and played only a minor role in its activity. "This is really a shift in the way we were thinking," said Zakian. "When we went into these experiments, ev...

Carnegie Mellon scientists reveal ways of studying, resolving PCB contamination in US rivers

...linary Science Program (ENVR 12, 203, 37, 38). The capping research (ENVR 68) is supported by a U.S. E.P.A.-F... Environmental Engineering, presenting) A sediment capping mat developed by Carnegie Mellon engineers soaks up PCBs and could prevent their long-term release i...

Carnegie Mellon researcher tests tools for protecting Anacostia River ecosystem from PCBs

...geofabric mesh. This is one of the three "active'' capping technologies currently being demonstrated side-by-side in the Anacostia. "This thin reactive core mat (RCM), which can be rolled out and placed within a conventional sand cap, could provide an economic alternative to costly dredging, which can run i...

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