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INTERNATIONALJOURNALOF SYSTEMATICBACTERIOLOGY,Oct. 1995, p. 848-851 Copyright 0 1995, International Union of MicrobiologicalSocieties
 

Summary: INTERNATIONALJOURNALOF SYSTEMATICBACTERIOLOGY,Oct. 1995, p. 848-851
Copyright 0 1995, International Union of MicrobiologicalSocieties
0020-7713/95/$04.00+0
Vol. 45,No. 4
Wigglesworthia gen. nov. and Wigglesworthiaglossinidia sp. nov.,
Taxa Consisting of the Mycetocyte-Associated, Primary
Endosymbionts of Tsetse Flies
SERAP AKSOY
Department of Internal Medicine, Yale University School of Medicine,
New Haven, Connecticut 06510
The primary endosymbionts (P-endosymbionts)of tsetse flies (Diptera: Glossinidae) are harbored inside
specialized cells (mycetocytes) in the anterior region of the gut, and these specialized cells form a white,
U-shaped organellecalled mycetome.The P-endosymbiontsof five tsetse fly species belonging to the Glossini-
dae have been characterized morphologically, and their 16s ribosomal DNA sequences have been determined
for phylogenetic analysis. These organisms were found to belong to a distinct lineage related to the family
Enterobucferiaceuein the y subdivision of Profeobucferiu,which includes the secondary endosymbionts of
various insects andEscherichiacoli. Thesebacteriaare also relatedto the P-endosymbiontsof aphids,Buchneru
uphidicola. Signature sequences in the 16s ribosomal DNA and genomic organizational differences which
distinguish the tsetse fly P-endosymbionts from members of the Enferobucferiaceueand from the genus
Buchnera are described in this paper. I propose that the P-endosymbiontsof tsetse flies should be classified in

  

Source: Aksoy, Serap - School of Public Health, Yale University

 

Collections: Biology and Medicine