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Summary: Concordant Evolution of a Symbiont with Its Host Insect Species: Molecular
Phylogeny of Genus Glossina and Its Bacteriome-Associated Endosymbiont,
Wigglesworthia glossinidia
Xiaoai Chen,1,2
Song Li,1,2
Serap Aksoy1
1
Department of Epidemiology and Public Health, Yale University School of Medicine, 60 College Street, New Haven, CT 06510, USA
2
Institute of Genetics, Fudan University, Shanghai, PR China
Received: 17 March 1998 / Accepted: 1 May 1998
Abstract. Many arthropods with restricted diets rely
on symbiotic associations for full nutrition and fecundity.
Tsetse flies (Diptera: Glossinidae) harbor three symbi-
otic organisms in addition to the parasitic African try-
panosomes they transmit. Two of these microorganisms
reside in different gut cells, while the third organism is
harbored in reproductive tissues and belongs to the genus
Wolbachia. The primary symbiont (genus Wiggleswor-
thia glossinidia) lives in differentiated epithelial cells
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