Biodesulfurization of benzothiophene and dibenzothiophene by a newly isolated Rhodococcus strain |
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Authors: | Tanaka Y Matsui T Konishi J Maruhashi K Kurane R |
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Affiliation: | Microbial Community Analysis and Application Research Group, Research Institute of Biological Resources, National Institute of Advanced Industrial Science and Technology, Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan. tanaka-yasu@aist.go.jp |
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Abstract: | Rhodococcus sp. KT462, which can grow on either benzothiophene (BT) or dibenzothiophene (DBT) as the sole source of sulfur, was newly isolated and characterized. GC and GC-MS analyses revealed that strain KT462 has the same BT desulfurization pathway as that reported for Paenibacillus sp. A11-2 and Sinorhizobium sp. KT55. The desulfurized product of DBT produced by this strain, as well as other DBT-desulfurizing bacteria such as R. erythropolis KA2-5-1 and R. erythropolis IGTS8, was 2-hydroxybiphenyl. A resting cells study indicated that this strain was also able to degrade various alkyl derivatives of BT and DBT. |
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