ULTRASTRUCTURE OF HEMOPHILUS-EQUIGENITALIS, CAUSATIVE AGENT OF CONTAGIOUS EQUINE METRITIS

  • 1 January 1980
    • journal article
    • research article
    • Vol. 41  (1) , 127-132
Abstract
H. equigenitalis, a proposed new species of Haemophilus and the causative agent of contagious equine metritis, a veneral disease of the horse, had ultrastructural characteristics of gram-negative bacteria. The organism had a small, threadlike capsule that was removed by heating in phosphate-buffered saline solution. Heating detached the outer membrane from the cytoplasmic membrane. The capsule could only be demonstrated when bacteria were stained with Ru red during preparation of ultra-thin sections. Gross morphology of newly isolated organisms (rod-like or coccal) depended upon the medium on which they were grown.

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