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Title: Molecular phylogenetic affiliation of Wolbachia and phage WO in storage pests from India
Authors: Gowda, Ravikumar Hemagiri
Abdel-Razek, Atef Sayed
Marappa, Prakash Bandekogenahalli
Shankaranarayana, Sampath Kumar
Hoolageri, Huchesh Chanabasappa
Puttegowda, Puttaraju Hosagavi
Keywords: Storage pest;Wolbachia;Phage WO;Phylogeny
Issue Date: Jul-2018
Publisher: NISCAIR-CSIR, India
Abstract: The rich distribution and diversity of Wolbachia has been well investigated. The array of reproductive alterations induced by this cytoplasmically inherited α- proteobacteria has made it a successful ‘reproductive parasite’. Despite their obligate intracellular lifestyle which usually protects bacteria from phage infection, Wolbachia harbors a widespread temperate phage called WO. Recent studies implicate the rapid phase of evolutionary changes in Wolbachia genome due to the horizontal phage transfer. These changes directly reflect the varied reproductive phenotypes induced by Wolbachia in their hosts. The distribution and diversity of Wolbachia in same host species across different geographical locations in itself is interesting. Previous studies have demonstrated the absence of Wolbachia in storage pests, Tribolium castaneum and Rhyzopertha dominica in laboratory stocks of Japan. Contrary to their studies, natural infections of Wolbachia and Phage WO in Tribolium castaneum, Rhyzopertha dominica and Sitophilus zeamais have been reported in the current study. Of the above screened three storage pests, the first two harbours A super group and remaining one with B super group. Further, a phage WO infection was common across all the three storage pests. The analysis of the endosymbiont and its phage provides basic information which could be further exploited for biocontrol programs.
Page(s): 514-519
ISSN: 0975-0967 (Online); 0972-5849 (Print)
Appears in Collections:IJBT Vol.17(3) [July 2018]

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