Prospects for Rapid Identification of Spiroplasmas in Plants and Animals
Mycoplasmas are cell wall-less prokaryotic organisms. Placed in the class Mollicutes (soft skinned), mycoplasmas represent a diverse collection of microbes (Tully and Razin, 1977). These organisms are unique in that they each are surrounded solely by a single biological membrane. A complete taxonomie scheme exists for mycoplasmas (Ghosh and Raychaudhuri, 1972). The plant pathogenic mycoplasmas primarily belong to the taxonomic family, Spiroplasmataceae (commonly called spiroplasmas) (Maramorosch, 1980). Members of the family Mycoplasmataceae are generally known for being etiologic agents of animal disease (e.g. Mycoplasma pneumoniae causes primary atypical pneumonia in man). Members of the family Acholeplasmataceae are generally considered saprophyted (e.g. Acholeplasma laidlawii). However, as shall be noted later, all 3 taxonomic families may have members capable of causing plant disease.
KeywordsAster Yellow Taxonomic Family Spiroplasma Species Electron Microscope Survey Isolation Success Rate
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