Publication Type

Journal Article

Journal Name

Current Microbiology

Publication Date

12-1-1989

Abstract

Specimens of mycetome, a portion of anterior midgut harboring intracellular bacterioids (endocytobionts), obtained from both untreated control female tsetse, Glossina morsitans morsitans, and those inoculated twice with strain D31 of Escherichia coli, were processed for routine electron microscopy, and the endocytobionts were examined for structural alterations. In the controls, mycetocytes contained intact bacterioids with numerous, electron-dense ribosomal particles in the cytoplasm. Female G. m. morsitans subjected to two hemocoelic inoculations with the live E. coli showed severe degeneration of the subcellular components of the endocytobionts characterized by advanced lysis and rarefaction. The observed endocytobiotic degeneration is attributed to effects of induced humoral antibacterial factors. © 1989 Springer-Verlag New York Inc.

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