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Tau-tally Microtubular!

Structural model of physiological tau-microtubule interactions sheds light on neurological diseases that correlate with their disruption

Researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California, Berkeley have combined cutting-edge cryo-electron microscopy (cryo-EM) with computational molecular modeling to produce a near-atomic-resolution model of the interaction between microtubules – crucial components of eukaryotic cell ultrastructure – and microtubule-associated proteins called tau. (more…)

Revealing the Secrets of Motility in Archaea

By Guest PostFebruary 24, 2013Scienceabrahjyoti ghosh, adenosine triphosphate, archaea, assembling archaella, atomic resolution, atp, atp in solution, atpase, bacterial flagellum, bacterial type, berkeley lab, c terminal domain, crystallography, ctd, domain of life, dynamic play, e coli, energy, enzyme, established model systems, filamentary grappling hook, flab filament, flah eye, flai, flai genes, flai protein structure, gareth williams, generate energy, Germany, glue, human cells, human gut, hyper flagellated, hyper motile mutants, iv pilus, john tainer, max planck institute, microbiota, microorganisms, motility, motor, mpi, n terminal domain, ntd, phosphate, protein structure, release, saxs, secretion of proteins, sonja verena albers, sulfolobus acidocaldarius, terrestrial microbiology, xray diffraction

Scientists from Berkeley Lab and the Max Planck Institute for Terrestrial Microbiology analyze a unique microbial motor

The protein structure of the motor that propels archaea has been characterized for the first time by a team of scientists from the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) and Germany’s Max Planck Institute (MPI) for Terrestrial Microbiology.

The motility structure of this third domain of life has long been called a flagellum, a whip-like filament that, like the well-studied bacterial flagellum, rotates like a propeller. But although the archaeal structure has a similar function, it is so profoundly different in structure, genetics, and evolution that the researchers argue it deserves its own name: archaellum. (more…)

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Tau-tally Microtubular!

Revealing the Secrets of Motility in Archaea