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  • Title: Phylogenetic analysis of Nosema ceranae isolated from European and Asian honeybees in Northern Thailand.
    Author: Chaimanee V, Chen Y, Pettis JS, Scott Cornman R, Chantawannakul P.
    Journal: J Invertebr Pathol; 2011 Jul; 107(3):229-33. PubMed ID: 21600213.
    Abstract:
    Nosema ceranae was found to infect four different host species including the European honeybee (A. mellifera) and the Asian honeybees (Apis florea, A. cerana and Apis dorsata) collected from apiaries and forests in Northern Thailand. Significant sequence variation in the polar tube protein (PTP1) gene of N. ceranae was observed with N. ceranae isolates from A. mellifera and A. cerana, they clustered into the same phylogenetic lineage. N. ceranae isolates from A. dorsata and A. florea were grouped into two other distinct clades. This study provides the first elucidation of a genetic relationship among N. ceranae strains isolated from different host species and demonstrates that the N. ceranae PTP gene was shown to be a suitable and reliable marker in revealing genetic relationships within species.
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