Intron insertion as a phylogenetic character: the engrailed homeobox of Strepsiptera does not indicate affinity with Diptera.

The phylogenetic relationships of the order Strepsiptera are unclear. Affiliation to Coleoptera has been proposed, however this implies that dipteran halteres and strep-sipteran haltere-like organs evolved convergently. An alternative is a sister group relationship with Diptera. In this case, halter...

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Main Authors: Rokas, A, Kathirithamby, J, Holland, P
Format: Journal article
Language:English
Published: 1999
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author Rokas, A
Kathirithamby, J
Holland, P
author_facet Rokas, A
Kathirithamby, J
Holland, P
author_sort Rokas, A
collection OXFORD
description The phylogenetic relationships of the order Strepsiptera are unclear. Affiliation to Coleoptera has been proposed, however this implies that dipteran halteres and strep-sipteran haltere-like organs evolved convergently. An alternative is a sister group relationship with Diptera. In this case, halteres could be homologous but a radical homeotic mutation may have switched their position to the Strepsipteran mesothorax. Ribosomal DNA sequence analysis has been used to support Dipteran affiliation, although this is controversial. Here we investigate the potential of an intron insertion site as a phylogenetic character. We find that the en homeobox gene of the strepsipteran Stichotrema dallatorreanum lacks a derived intron insertion shared by representatives of Diptera and Lepidoptera. We argue against a close affiliation between Strepsiptera and Diptera.
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spelling oxford-uuid:59fba41b-745b-4d40-80da-9dde5c8b11c02022-03-26T17:12:57ZIntron insertion as a phylogenetic character: the engrailed homeobox of Strepsiptera does not indicate affinity with Diptera.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:59fba41b-745b-4d40-80da-9dde5c8b11c0EnglishSymplectic Elements at Oxford1999Rokas, AKathirithamby, JHolland, PThe phylogenetic relationships of the order Strepsiptera are unclear. Affiliation to Coleoptera has been proposed, however this implies that dipteran halteres and strep-sipteran haltere-like organs evolved convergently. An alternative is a sister group relationship with Diptera. In this case, halteres could be homologous but a radical homeotic mutation may have switched their position to the Strepsipteran mesothorax. Ribosomal DNA sequence analysis has been used to support Dipteran affiliation, although this is controversial. Here we investigate the potential of an intron insertion site as a phylogenetic character. We find that the en homeobox gene of the strepsipteran Stichotrema dallatorreanum lacks a derived intron insertion shared by representatives of Diptera and Lepidoptera. We argue against a close affiliation between Strepsiptera and Diptera.
spellingShingle Rokas, A
Kathirithamby, J
Holland, P
Intron insertion as a phylogenetic character: the engrailed homeobox of Strepsiptera does not indicate affinity with Diptera.
title Intron insertion as a phylogenetic character: the engrailed homeobox of Strepsiptera does not indicate affinity with Diptera.
title_full Intron insertion as a phylogenetic character: the engrailed homeobox of Strepsiptera does not indicate affinity with Diptera.
title_fullStr Intron insertion as a phylogenetic character: the engrailed homeobox of Strepsiptera does not indicate affinity with Diptera.
title_full_unstemmed Intron insertion as a phylogenetic character: the engrailed homeobox of Strepsiptera does not indicate affinity with Diptera.
title_short Intron insertion as a phylogenetic character: the engrailed homeobox of Strepsiptera does not indicate affinity with Diptera.
title_sort intron insertion as a phylogenetic character the engrailed homeobox of strepsiptera does not indicate affinity with diptera
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AT kathirithambyj introninsertionasaphylogeneticcharactertheengrailedhomeoboxofstrepsipteradoesnotindicateaffinitywithdiptera
AT hollandp introninsertionasaphylogeneticcharactertheengrailedhomeoboxofstrepsipteradoesnotindicateaffinitywithdiptera