Giant Centriole Formation in Sciara

Abstract

Although somatic tissues of Sciara contain 9-membered centrioles, germ line tissues develop giant centrioles with 60-90 singlet tubules disposed in an oval array. Some 9-membered centrioles still may be seen in second instar spermatogonia. Each of these centrioles is associated with a larger "daughter" or secondary centriole at right angles to it. Most… (More)

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