alexa Characterization of the dszABC genes of Gordonia amicalis F.5.25.8 and identification of conserved protein and DNA sequences.
Engineering

Engineering

Industrial Engineering & Management

Author(s): Kilbane JJ nd, Robbins J

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Abstract Gordonia amicalis F.5.25.8 has the unique ability to desulfurize dibenzothiophene and to metabolize carbazole [Santos et al., Appl Microbiol Biotechnol 71:355-362, 2006]. Efforts to amplify the dsz genes from G. amicalis F.5.25.8 based on polymerase chain reaction (PCR) primers designed using the dsz gene sequences of Rhodococcus erythropolis IGTS8 were mostly unsuccessful. A comparison of the protein sequences of dissimilar desulfurization enzymes (DszABC, BdsABC, and TdsABC) revealed multiple conserved regions. PCR primers targeting some of the most highly conserved regions of the desulfurization genes allowed us to amplify dsz genes from G. amicalis F.5.25.8. DNA sequence data that include nearly the entirety of the desulfurization operon as well as the promoter region were obtained. The most closely related dsz genes are those of G. alkinovorans strain 1B at 85\% identity. The PCR primers reported here should be useful in microbial ecology studies and the amplification of desulfurization genes from previously uncharacterized microbial cultures. This article was published in Appl Microbiol Biotechnol and referenced in Industrial Engineering & Management

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