Antibiotic sensitivities in vitro of diverse spiroplasma strains associated with plants and insects.
Fifteen spiroplasma strains, representing five serological subgroups classified in three distinct serogroups, and four strains unassigned to serogroups were examined for sensitivity to antibiotics. The data contribute to the characterization of spiroplasmas and enlarge comparisons between plant pathogenic strains and strains that are evidently a part of the normal epiphytic microflora.
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Plant Virology Laboratory, Plant Protection Institute, Agricultural Research, Science and Education Administration, U.S. Department of Agriculture, Beltsville Agricultural Research Center, Beltsville, Maryland 20705.