Demonstration of synonymy between the plant pathogens Pseudomonas avenae and Pseudomonas rubrilineans

Abstract

Strains of Pseudomonas avenae Manns 1909 and Pseudomonas rubrilineans ( Lee et al., 1925 ) Stapp 1928 were compared using physiological, biochemical and serological tests together with an examination of plant host range. Minor differences were found between the physiological and biochemical characteristics of the two pathogens, while no differences were detected in pathogenicity, host range, cellular protein profiles, direct fluorescent straining, and dot-immunobinding assays. P. avenae and P. rubrilineans were distinctly different from other non-fluorescent pseudomonads. We were unable to differentiate P. avenae strains from those of P. rubrilineans, and we propose that they be regarded as a single species, retaining the name Pseudomonas avenae.