Abstract
BECAUSE of the widespread use of Azotobacter vinelandii, Wisconsin strain O, in biochemical studies, recent observations concerning colonial types obtained from transfers of this strain are worthy of more general knowledge. As many investigators have noted (private communications), cultures of this strain at times become more ‘gummy’ than usual, and their further use for physiological or biochemical studies is difficult. Although we have attempted in the past to isolate a non-gummy strain by selection of colonies, such efforts have been only temporarily successful.
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BUSH, J., WILSON, P. A Non-Gummy Chromogenic Strain of Azotobacter vinelandii . Nature 184, 381 (1959). https://doi.org/10.1038/184381a0
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DOI: https://doi.org/10.1038/184381a0
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