Affiliation:
1. Department of Zoology, University of California, Berkeley, California 94720, USA
Abstract
Centrioles induced via a number of parthenogenetic agents regularly reveal the presence of one or more granules within their central cores. Though not a new discovery, these centriolar granules have carefully been re-evaluated here. Considering various criteria, it is proposed that these granules are intra-centriolar ribosomes. More specifically, they are more comparable to 705 ribosomes than to 805 cytoribosomes. The data suggest that within the lumen of centrioles, certain centriolar proteins are synthesized on ribosomes that may be uniquely centriolar.
Subject
Cell Biology,Molecular Biology,Biochemistry,Biophysics
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