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Analysis of fluorescent pseudomonads based on 23S ribosomal DNA sequences.

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  • Research Article


The regions from positions 1391 to 1545 and 1620 to 1865 (Escherichia coli numbers) of the 23S ribosomal DNA sequences have been analyzed for a number of Pseudomonas fluorescens and P. putida isolates. Variability was observed only in three smaller regions from positions 1484 to 1508, 1531 to 1542, and 1714 to 1748, corresponding to helices 58, 59, and 63, respectively, where up to 53% dissimilarity was found. Sequence analysis did not allow clear distinctions among P. fluorescens biovars, P. chlororaphis, and P. putida biovar B.

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