Abstract
PREVIOUS attempts at studying the antigens of Azotobacter have met with only limited success. Azo and Yoshida in a brief report1 described complement-fixation by Azotobacter cells in the presence of specific antisera but gave few experimental details. Jensen and Petersen2 obtained an agglutinating antiserum for Azotobacter chroococcum. Recently, Petersen3 studied the agglutinogens of Az. chroococcum, Az. vinelandii, and Az. agilis. Az. chroococcum and Az. vinelandii had antigens in common and showed serological affinities to Beijerinckia sp. Az. agilis appeared to be antigenically distinct. Eisenstark et al., on the other hand, using apparently adequate technical methods, failed to produce antisera to Az. agilis or “numerous other azotobacter species”. Heidelberger (quoted in Lawson and Stacey5) showed Az. chroococcum polysaccharide to be antigenic.
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References
Azo, K., and Yoshida, R., Proc. First Int. Congr. Soil Sci., 3, 150 (1928).
Jensen, V., and Petersen, E. J., Roy. Vet. and Agric. Coll., Copenhagen, Den., Yearbook, 107 (1955).
Petersen, E. J., Roy. Vet. and Agric. Coll., Copenhagen, Den., Yearbook, 70 (1959).
Eisenstark, A., Ward, C. B., and Kyle, T. S., J. Bact., 60, 525 (1950).
Lawson, G. J., and Stacey, M., J. Chem. Soc., 1925 (1954).
Carr, L. B., and Varner, J. E., Bact. Proc., 53 (1958).
Jensen, V., Bot. Tidsskr., 52, 143 (1955).
Johnstone, D. B., App. Microbiol., 5, 103 (1957).
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NORRIS, J. Antigens of Azotobacter . Nature 185, 634–635 (1960). https://doi.org/10.1038/185634a0
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DOI: https://doi.org/10.1038/185634a0
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