Maternal transmission efficiency of Wolbachia superinfections in Aedes albopictus populations in Thailand.

Pattamaporn Kittayapong Department of Biology, Faculty of Science, Mahidol University, Bangkok, Thailand. grpkt@mahidol.ac.th

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Kathy J Baisley Department of Biology, Faculty of Science, Mahidol University, Bangkok, Thailand. grpkt@mahidol.ac.th

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Rosie G Sharpe Department of Biology, Faculty of Science, Mahidol University, Bangkok, Thailand. grpkt@mahidol.ac.th

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Visut Baimai Department of Biology, Faculty of Science, Mahidol University, Bangkok, Thailand. grpkt@mahidol.ac.th

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Scott L O'Neill Department of Biology, Faculty of Science, Mahidol University, Bangkok, Thailand. grpkt@mahidol.ac.th

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DOI:
https://doi.org/10.4269/ajtmh.2002.66.103
Volume/Issue:
Volume 66: Issue 1
Page(s):
103–107
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We examined the transmission efficiency of 2 strains of Wolbachia bacteria that cause cytoplasmic incompatibility in field populations of Aedes albopictus by polymerase chain reaction assay. We found mainland and island populations throughout Thailand to be superinfected with group A and B bacteria. Of 320 Wolbachia-positive adult mosquitoes, 97.5% were infected with both groups. Single infected individuals of each Wolbachia group were encountered in nearly equal numbers. We screened 550 offspring from 80 field-collected mothers and found the transmission efficiency of group A Wolbachia to be 96.7% and that of group B Wolbachia to be 99.6%. Mothers that did not transmit both Wolbachia infections to all of their offspring were significantly larger in size than those with perfect transmission fidelity. We discuss our findings in relation to the prospects of the use of Wolbachia as a gene-driving mechanism.

Author Notes

Published Online:
Jan 2002
Cover The American Journal of Tropical Medicine and Hygiene
The American Journal of Tropical Medicine and Hygiene
Print ISSN:
0002-9637
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