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Title: Wolbachia and bacteriophage WO-B density of Wolbachia a-infected Aedes albopictus mosquito
Authors: A. Ahantarig
W. Trinachartvanit
N. Chauvatcharin
P. Kittayapong
V. Baimai
Mahidol University
Keywords: Immunology and Microbiology
Issue Date: 1-Nov-2008
Citation: Folia Microbiologica. Vol.53, No.6 (2008), 547-550
Abstract: Wolbachia are maternally inherited symbiotic bacteria capable of inducing an extensive range of reproductive abnormalities in their hosts, including cytoplasmic incompatibility (CI). Its density (concentration) is likely to influence the penetrance of CI in incompatible crosses. The variations of Wolbachia density could also be linked with phage WO density. We determined the relative density (relative concentration) of prophage WO orf7 and Wolbachia (phage-to-bacteria ratio) during early developmental and adult stages of singly infected Aedes albopictus mosquito (Wolbachia A-infected) by using real-time quantitative PCR. Phage WO and Wolbachia did not develop at the same rate. Relative Wolbachia density (bacteria-to-host ratio) was high later in development (adult stages) whilst relative prophage WO density (phage-to-bacteria ratio) was low in the adult stages. Furthermore, 12-d-old adults of singly infected female mosquito had the highest Wolbachia density. In contrast, the larval stage 4 (L4) contained the highest prophage WO-B orf7 density. The association of hosts-Wolbachia-phage among diverse species is different. Thus, if phage and Wolbachia are involved in CI mechanism, the information of this association should be acquired for each specific type of organism for future use of population replacement or gene drive system.
ISSN: 00155632
Appears in Collections:Scopus 2006-2010

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