Embryos need Mom's nucleolus
نویسندگان
چکیده
منابع مشابه
Embryos need a cozy house
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Our current view of the nucleolus has been shaped by the concept that the organization of this prominent compartment within the nucleus is primarily dictated by its function, the making of ribosome subunits. Whether ribosome biogenesis is framed by a dedicated nucleolar scaffold has remained unclear. In this issue of The EMBO Journal, Caudron-Herger and colleagues present evidence for a nucleol...
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Mutant and normal Xenopus laevis embryos (o-nu, i-nu, 2-nu) were examined in the electron microscope after glutaraldehyde and/or osmium-tetroxide fixation. During cleavage both o-nu and wild-type embryos contain multiple small nucleolar bodies, less than 1 ft in diameter, composed mainly of a fibrous material. By the end of cleavage or beginning of gastrulation, granular caps develop on the fib...
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We consider the problem of interpolating a signal using a linear combination of shifted versions of a compactly-supported basis function phi(x). We first give the expression for the cases of phi's that have minimal support for a given accuracy (also known as "approximation order"). This class of functions, which we call maximal-order-minimal-support functions (MOMS) is made of linear combinatio...
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 2008
ISSN: 1540-8140,0021-9525
DOI: 10.1083/jcb.1804rr2