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Sperm Cells of a Primitive Strepsipteran

The unusual life style of Strepsiptera has presented a long-standing puzzle in establishing its affinity to other insects. Although Strepsiptera share few structural similarities with other insect orders, all members of this order share a parasitic life style with members of two distinctive families...

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Autores principales: Nardi, James B., Delgado, Juan A., Collantes, Francisco, Miller, Lou Ann, Bee, Charles M., Kathirithamby, Jeyaraney
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4553476/
https://www.ncbi.nlm.nih.gov/pubmed/26462430
http://dx.doi.org/10.3390/insects4030463
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author Nardi, James B.
Delgado, Juan A.
Collantes, Francisco
Miller, Lou Ann
Bee, Charles M.
Kathirithamby, Jeyaraney
author_facet Nardi, James B.
Delgado, Juan A.
Collantes, Francisco
Miller, Lou Ann
Bee, Charles M.
Kathirithamby, Jeyaraney
author_sort Nardi, James B.
collection PubMed
description The unusual life style of Strepsiptera has presented a long-standing puzzle in establishing its affinity to other insects. Although Strepsiptera share few structural similarities with other insect orders, all members of this order share a parasitic life style with members of two distinctive families in the Coleoptera—the order now considered the most closely related to Strepsiptera based on recent genomic evidence. Among the structural features of several strepsipteran families and other insect families that have been surveyed are the organization of testes and ultrastructure of sperm cells. For comparison with existing information on insect sperm structure, this manuscript presents a description of testes and sperm of a representative of the most primitive extant strepsipteran family Mengenillidae, Eoxenos laboulbenei. We compare sperm structure of E. laboulbenei from this family with that of the three other families of Strepsiptera in the other strepsipteran suborder Stylopidia that have been studied as well as with members of the beetle families Meloidae and Rhipiphoridae that share similar life histories with Strepsiptera. Meloids, Rhipiphorids and Strepsipterans all begin larval life as active and viviparous first instar larvae. This study examines global features of these insects’ sperm cells along with specific ultrastructural features of their organelles.
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spelling pubmed-45534762015-10-08 Sperm Cells of a Primitive Strepsipteran Nardi, James B. Delgado, Juan A. Collantes, Francisco Miller, Lou Ann Bee, Charles M. Kathirithamby, Jeyaraney Insects Article The unusual life style of Strepsiptera has presented a long-standing puzzle in establishing its affinity to other insects. Although Strepsiptera share few structural similarities with other insect orders, all members of this order share a parasitic life style with members of two distinctive families in the Coleoptera—the order now considered the most closely related to Strepsiptera based on recent genomic evidence. Among the structural features of several strepsipteran families and other insect families that have been surveyed are the organization of testes and ultrastructure of sperm cells. For comparison with existing information on insect sperm structure, this manuscript presents a description of testes and sperm of a representative of the most primitive extant strepsipteran family Mengenillidae, Eoxenos laboulbenei. We compare sperm structure of E. laboulbenei from this family with that of the three other families of Strepsiptera in the other strepsipteran suborder Stylopidia that have been studied as well as with members of the beetle families Meloidae and Rhipiphoridae that share similar life histories with Strepsiptera. Meloids, Rhipiphorids and Strepsipterans all begin larval life as active and viviparous first instar larvae. This study examines global features of these insects’ sperm cells along with specific ultrastructural features of their organelles. MDPI 2013-09-04 /pmc/articles/PMC4553476/ /pubmed/26462430 http://dx.doi.org/10.3390/insects4030463 Text en © 2013 by the authors; licensee MDPI, Basel, Switzerland. http://creativecommons.org/licenses/by/3.0/ This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Nardi, James B.
Delgado, Juan A.
Collantes, Francisco
Miller, Lou Ann
Bee, Charles M.
Kathirithamby, Jeyaraney
Sperm Cells of a Primitive Strepsipteran
title Sperm Cells of a Primitive Strepsipteran
title_full Sperm Cells of a Primitive Strepsipteran
title_fullStr Sperm Cells of a Primitive Strepsipteran
title_full_unstemmed Sperm Cells of a Primitive Strepsipteran
title_short Sperm Cells of a Primitive Strepsipteran
title_sort sperm cells of a primitive strepsipteran
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4553476/
https://www.ncbi.nlm.nih.gov/pubmed/26462430
http://dx.doi.org/10.3390/insects4030463
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