alexa Molecular Characterization Of Gut Microflora In Rhyzopertha Dominica (Fabricius) (Coleoptera: Bostrichidae) And Tribolium Castaneum (Herbst.) (Tenebrionidae: Coleopetera) Populations Of South India
ISSN: 2168-9881

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3rd International Conference on Agriculture & Horticulture
October 27-29, 2014 Hyderabad International Convention Centre, India

R Harischandra Naik, Mohankumar S, Balachandar D and Chandrasekaran S
ScientificTracks Abstracts: Agrotechnol
DOI: 10.4172/2168-9881.S1.011
The lesser grain borer, Rhyzopertha dominica (Fabricius.) and the red flour beetle, Tribolium castaneum (Herbst.) are major and cosmopolitan pests of stored grains and grain products in India. High level of resistance towards phosphine was recorded from samples colleted in South India. Studies were carried out to explore the relationship between the phosphine resistance and endosymbiots hosted by the R. Dominica and T. Castaneum if any. The molecular characterizations of endosymbionts present in 30 and 35 different geographical populations of R. dominica and T. castaneum with FD1 and RP2 (16S rDNA primers) endosymbiont specific primers. PCR amplification using the respective 16S rDNA primers and sequencing the respective amplicons revealed the presence of gammaproteobacteria in T. castaneum and Non-diaspididae associated bacteria in R. dominica samples. In the present study, there was no significant correlation between the phosphine resistance and the endosymbionts hosted by the test insects towards the contribution in the processes of degradation of xenobiotics. Keywords: Rhyzopertha dominica, Tribolium castaneum, endosymbiont, non-diaspididae, gammaproteobacteria.
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