Characteristics of Nonylphenol Polyethoxylate-Degrading Bacteria Isolated from Coastal Sediments

Toshimichi Maeda; Kazuhide Hayakawa; Mu You; Makoto Sasaki; Yasuhiro Yamaji; Manabu Furushita; Tsuneo Shiba

doi:10.1264/jsme2.20.253

Short Communication

Characteristics of Nonylphenol Polyethoxylate-Degrading Bacteria Isolated from Coastal Sediments

Toshimichi Maeda, Kazuhide Hayakawa, Mu You, Makoto Sasaki, Yasuhiro Yamaji, Manabu Furushita, Tsuneo Shiba

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Keywords: nonylphenol polyethoxylates, octylphenol polyethoxylates, degradation, coastal sediment

JOURNAL FREE ACCESS

2005 Volume 20 Issue 4 Pages 253-257

DOI https://doi.org/10.1264/jsme2.20.253

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Abstract

Twenty-six bacterial strains, which degrade nonylphenol (and octylphenol) polyethoxylates and accumulate mono-, di-, and/or tri-ethoxylated homologues, were isolated from coastal sea sediments of Japan. According to restriction-fragment polymorphisms of the PCR-amplified 16S rRNA gene, the strains were divided into 7 genotypes. Phylogenetic analyses of the16S rRNA gene indicated that the isolates were included in Gammaproteobacteria, and distinct from those of nonylphenol polyethoxylate-degrading bacteria isolated from active sludge and paddy fields.

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