Novel biphenyl-oxidizing bacteria and dioxygenase genes from a korean tidal mudflat |
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| Authors: | Lee Tae Kwon Lee Jaejin Sul Woo Jun Iwai Shoko Chai Benli Tiedje James M Park Joonhong |
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| Affiliation: | 1School of Civil and Environmental Engineering, Yonsei University, Seoul, Republic of Korea;2WCU the Center for Green Metagenomics, Yonsei University, Seoul, Republic of Korea;3Center for Microbial Ecology, Michigan State University, East Lansing, Michigan |
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| Abstract: | Gene-targeted FLX titanium pyrosequencing integrated with stable isotope probing (SIP) using [(13)C]biphenyl substrate revealed that tidal mudflat sediments harbor novel aromatic ring hydroxylating dioxygenases (ARHD). More than 80% of the detected ARHD genes comprise four clades (0.5 distance) with 49 to 70% amino acid identity to sequences in public databases. The 16S rRNA sequences enriched in the (13)C fraction were from the Betaproteobacteria, bacilli (primarily Paenibacillus-like), and unclassified phyla. |
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