- International Journal of Systematic and Evolutionary Microbiology
- Volume 46, Issue 2
f Reclassification of a Polycyclic Aromatic Hydrocarbon-Metabolizing Bacterium, Beijerinckia sp. Strain B1, as Sphingomonas yanoikuyae by Fatty Acid Analysis, Protein Pattern Analysis, DNA-DNA Hybridization, and 16S Ribosomal DNA Sequencing
- Authors: ASHRAF A. KHAN, RONG-FU WANG, WEI-WEN CAO, WIRT FRANKLIN, CARL E. CERNIGLIA*
- * Corresponding author. Phone: (501) 543-7341. Fax: (501) 543-7307. Electronic mail address: CCERNIGLIA@FDANT.NCTR.FDA.GOV.
- Int J Syst Evol Microbiol, April 1996 46: 466-469, doi: 10.1099/00207713-46-2-466
- Subject: Original Papers Relating To Systematic Bacteriology
- Published Online:
Reclassification of a Polycyclic Aromatic Hydrocarbon-Metabolizing Bacterium, Beijerinckia sp. Strain B1, as Sphingomonas yanoikuyae by Fatty Acid Analysis, Protein Pattern Analysis, DNA-DNA Hybridization, and 16S Ribosomal DNA Sequencing, Page 1 of 1< Previous page | Next page > /docserver/preview/fulltext/ijsem/46/2/ijs-46-2-466-1.gif
A bacterium isolated from a polluted stream, capable of metabolizing biphenyl, naphthalene, phenanthrene, and higher-molecular-weight polycyclic aromatic hydrocarbons (D. Gibson, V. Mahadevan, D. Jerina, H. Yagi, and H. Yeh, Science 189:295–297, 1975), was previously identified as Beijerinckia sp. strain B1. In this investigation, 16S rRNA gene sequencing, biochemical tests, fatty acid methyl ester analysis, polyacrylamide gel electrophoresis of protein, and DNA-DNA hybridization were used to determine the taxonomic relationship of Beijerinckia sp. strain B1. The sequence of the 16S rRNA gene of B1 was identical to that of Sphingomonas yanoikuyae ATCC 51230T. The biochemical tests, fatty acid analysis, and sodium dodecyl sulfate-polyacrylamide gel electrophoresis profile of soluble proteins of strain B1 showed results similar to those of S. yanoikuyae. DNA-DNA hybridization indicated that B1 and S. yanoikuyae ATCC 51230T are 75% homologous at the DNA level. We propose that Beijerinckia sp. strain B1 be reclassified as S. yanoikuyae.
Copyright © 1996 International Union of Microbiological Societies | Published by the International Union of Microbiological Societies
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