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The sperm ultrastructure and spermiogenesis of Tribolium castaneum (Coleoptera: Tenebrionidae) with evidence of cyst degeneration.

Micron (Oxford, England : 1993) - 1 Jun 2015

Dias Glenda, Lino-Neto José, Mercati David, Dallai Romano

Abstract excerpt

Previous studies on the spermatogenesis of tenebrionid beetles showed the unusual formation of two antiparallel sperm bundles per cyst. In this work we reported this feature also in Tribolium castaneum using light and transmission electron microscopy. The sperm structure of T. castaneum, similar to other tenebrionids, consists of a three-layered acrosome, an elongated nucleus and a flagellum with a 9+9+2 axoneme,...

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PMID: 25867758
DOI: 10.1016/j.micron.2015.03.003

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