Mycoplasma mycoides subspecies mycoides as a cause of polyarthritis in goats.
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Biomedical subjects
S Rosendal
Publications and source records attributed to S Rosendal.
Osteoma in the oral cavity of a pig (Sus scrofa).
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Animals↗
Canine mycoplasmas: pathogenicity of mycoplasmas associated with distemper pneumonia.
Mycoplasmas of the following species were isolated from the lungs of dog with distemper: Mycoplasma cynos, Mycoplasma bovigenitalium, Mycoplasma canis, Mycoplasma spumans, and Mycoplasma gateae. One-week-old dogs were inoculated endobronchially with cloned cultures of each species. M. cynos induced a focal pneumonia that were characterized histologically by severe inflammation of bronchi and adjacent respiratory tract tissue. The inflammatory response was initially neutrophilic and later was histiocytic with interstitial lymphoid hyperplasia. M. cynos was recovered from the lungs of inoculated dogs until three weeks after inoculation. A mild inflammatory response was observed in lung tissue of the dog inoculated with M. bovigenitalium, whereas M. canis, M. spumans, and, M. gateae did not induce any visible lesions.
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Isolation of mycoplasmas from the canine genital tract: a survey of 108 healthy dogs.
Cultivation of preputial or vaginal swab samples from 108 apparently healthy dogs gave presumptive mycoplasma growth in 72 cases. Specific identification of 58 mycoplasma isolates based on biochemical studies, indirect immunofluorescence and growth inhibition tests showed association with eight different species or groups, only four of which had previously yielded genital isolates. Fourteen strains were related to M bovigenitalium.
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Experimental mycoplasmal pneumonia in dogs: electron microscopy of infected tissue.
Thin sections of lung tissue from dogs with pneumonia induced by endobronchial inoculation of Mycoplasma cynos were examined by electron microscopy. Mycoplasmas were observed extracellularly in lumen of bronchus and in alveoli in the earlier stages of the infection. The infection also resulted in degenerative changes in the bronchial epithelial cells, including in particular destruction and loss of cilia.
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Canine mycoplasmas: cultural and biochemical studies of type and reference strains.
Media and conditions for cultivation of type and reference strains of the mycoplasmas presently known (except M. bovigenitalium, A. laidlawii and Ureaplasma strains) to occur in dogs are described. The colonial morphology, ultrastructure, filterability and absence of reversion confirmed that the strains belong to the order of Mycoplasmatales. All strains were cholesterol dependent and therefore of the family Mycoplasmataceae, genus Mycoplasma. Finally the most useful biochemical characteristics are specified.
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Canine mycoplasmas: serological studies of type and reference strains, with a proposal for the new species, Mycoplasma opalescens.
The type and reference strains of all Mycoplasma species or "serogroups" presently known to occur in dogs were compared serologically. Tests of growth inhibition and metabolism inhibition as well as indirect immunofluorescence tests did not disclose any cross reactions. Examination by double immunodiffusion revealed at least one antigen specific for each strain tested. In addition, the common antigens were found within the glucose fermenting group and within the arginine metabolizing group of Mycoplasma strains, respectively. No antigens were shared by these groups. The arginine positive strain MH5408, serogroup D was found to differ serologically from all other arginine positive Mycoplasma species. Serogroup D is therefore a new species for which the name Mycoplasma opalescens is proposed. The type strain is MH5408 (ATCC 27921 and NTCC 10149). Finally, serological data are presented which relate strain HRC689 to M. mycoides.
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