Disruption of the Wolbachia surface protein gene wspB by a transposable element in mosquitoes of the Culex pipiens complex (Diptera, Culicidae).

Disruption of the Wolbachia surface protein gene wspB by a transposable element in mosquitoes of the Culex pipiens complex (Diptera, Culicidae). Research Abstract Details 

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Disruption of the Wolbachia surface protein gene wspB by a transposable element in mosquitoes of the Culex pipiens complex (Diptera, Culicidae). Abstract Text:

Y O Sanogo,S L Dobson,S R Bordenstein,R J Novak,

Culex pipiens quinquefasciatus Say and Culex pipiens pipiens Linnaeus are sibling species incriminated as important vectors of emerging and re-emerging infectious diseases worldwide. The two forms differ little morphologically and are differentiated mainly based upon ecological, behavioural, physiological and genetic traits. Within the North American zone of sympatry, populations of Cx. p. quinquefasciatus and Cx. p. pipiens undergo extensive introgression and hybrid forms have been reported in nature. Both Cx. p. quinquefasciatus and Cx. p. pipiens are infected with the endosymbiotic bacteria Wolbachia pipientis. Here, we report the presence of a transposable element belonging to the IS256 family (IS256wPip) associated with Wolbachia in both Cx. p. quinquefasciatus and Cx. p. pipiens populations. Using reverse transcriptase PCR and sequence analysis, we show that IS256wPip has disrupted the wspB locus, a paralogue of the Wolbachia outer membrane protein (wspA) gene. The inactivation of the wspB appears to be specific to Cx. p. quinquefasciatus and to hybrids of the two forms, and was not observed in the surveyed Cx. p. pipiens mosquitoes. Our results support the hypothesis of a different origin of North American Cx. p. quinquefasciatus and Cx. p. pipiens populations. The flux of mobile genetic elements in the Wolbachia wPip genome could explain the high level of crossing types observed among different Culex populations. The insertion of IS256wPip into wspB may comprise a genetic candidate for discriminating Wolbachia symbionts in Culex.

Disruption of the Wolbachia surface protein gene wspB by a transposable element in mosquitoes of the Culex pipiens complex (Diptera, Culicidae). Publishing Authors By Initials

YO Sanogo,SL Dobson,SR Bordenstein,RJ Novak,

For similar bacteria: gram-negative bacteria: rickettsiaceae: wolbachia research abstracts see: bacteria: gram-negative bacteria: rickettsiaceae: wolbachia research

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Disruption of the Wolbachia surface protein gene wspB by a transposable element in mosquitoes of the Culex pipiens complex (Diptera, Culicidae). Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Insect molecular biology

VOLUME: 16

Page Numbers: 143-54

Journal Abbreviation: Insect Mol. Biol.

ISSN: 0962-1075

DAY: 6

MONTH: 02

YEAR: 2007

Disruption of the Wolbachia surface protein gene wspB by a transposable element in mosquitoes of the Culex pipiens complex (Diptera, Culicidae). Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 9303579

Disruption of the Wolbachia surface protein gene wspB by a transposable element in mosquitoes of the Culex pipiens complex (Diptera, Culicidae). Keywords Mesh Terms:

KEYWORDS: Wolbachia

MESH TERMS: genetics

Chemical & Substance for Abstract: Disruption of the Wolbachia surface protein gene wspB by a transposable element in mosquitoes of the Culex pipiens complex (Diptera, Culicidae). Information

Substance Name: Wsp protein, Wolbachia

Registry Number: 0

Grant and Affiliation Information for Disruption of the Wolbachia surface protein gene wspB by a transposable element in mosquitoes of the Culex pipiens complex (Diptera, Culicidae).

AFFILIATION: Illinois Natural History Survey, Champaign, IL 61820, USA. sanogo@uiuc.edu

Country: England

AGENCY: United States NIAID

GRANT: R01 AI051533

ACRONYM: AI

MEDLINETA: Insect Mol Biol

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