Wrapping up Stereocilia Rootlets
نویسندگان
چکیده
منابع مشابه
Wrapping up Stereocilia Rootlets
The actin-filled stereocilia of cochlear hair cells deflect in response to sound by pivoting around rootlets at their insertion points at the sensory cell surface. Kitajiri et al. (2010) now show that the actin-binding protein TRIOBP tightly bundles the actin filaments into rootlets, endowing these stereocilia "pivots" with unique elasticity and robustness.
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Inner ear hair cells detect sound through deflection of mechanosensory stereocilia. Each stereocilium is supported by a paracrystalline array of parallel actin filaments that are packed more densely at the base, forming a rootlet extending into the cell body. The function of rootlets and the molecules responsible for their formation are unknown. We found that TRIOBP, a cytoskeleton-associated p...
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ژورنال
عنوان ژورنال: Cell
سال: 2010
ISSN: 0092-8674
DOI: 10.1016/j.cell.2010.05.022