SUMMARY: Chemotaxonomic data for strains of and spp. were analysed using three multivariate statistical strategies; principal components, partial least squares discriminant, and soft independent modelling of class analogy. The species comprised and . Strains were characterized by cell sugar and fatty acid composition, lysis kinetics during EDTA and EDTA plus lysozyme treatment, and methylene blue reduction. In total 23 quantitative variables were compiled from chemotaxonomic analyses of 25 strains. and formed distinct classes which differed from those of and spp. All characterization variables, except those describing fatty acid content, contributed significantly to inter-species discrimination.


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