DNA-DNA homology study in a solid-phase hybridization analysis. Whole-cell genomic DNA was used to prepare the probe and target DNA. Probes: A, M. simiae; B, M. triplex; C, isolate 4773. Target DNA: 1, M. simiae; 2, M. triplex; 3, isolate 283416; 4, isolate 4773; 5, isolate W55; 6, isolate W58.