Dataset Information

Genome Sequence of the Vancomycin-Producing Amycolatopsis orientalis subsp. orientalis Strain KCTC 9412T.

ABSTRACT: Amycolatopsis orientalis is the producer of vancomycin, a glycopeptide antibiotic that is used for the treatment of serious infections with Gram-positive bacteria. Here we present the next-generation sequencing (NGS)-based 9.06-Mb draft genome sequence of the type strain Amycolatopsis orientalis subsp. orientalis KCTC 9412 (DSM 40040; ATCC 19795).

SUBMITTER: Jeong H

PROVIDER: S-EPMC3695432 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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Genome Sequence of the Vancomycin-Producing Amycolatopsis orientalis subsp. orientalis Strain KCTC 9412T.

Jeong Haeyoung H Sim Young Mi YM Kim Hyun Ju HJ Lee Dong-Woo DW Lim Si-Kyu SK Lee Sang Jun SJ

Genome announcements 20130627 3

Amycolatopsis orientalis is the producer of vancomycin, a glycopeptide antibiotic that is used for the treatment of serious infections with Gram-positive bacteria. Here we present the next-generation sequencing (NGS)-based 9.06-Mb draft genome sequence of the type strain Amycolatopsis orientalis subsp. orientalis KCTC 9412 (DSM 40040; ATCC 19795). ...[more]

PMID: 23814036

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Project description:BACKGROUND: Amycolatopsis orientalis is the type species of the genus and its industrial strain HCCB10007, derived from ATCC 43491, has been used for large-scale production of the vital antibiotic vancomycin. However, to date, neither the complete genomic sequence of this species nor a systemic characterization of the vancomycin biosynthesis cluster (vcm) has been reported. With only the whole genome sequence of Amycolatopsis mediterranei available, additional complete genomes of other species may facilitate intra-generic comparative analysis of the genus. RESULTS: The complete genome of A. orientalis HCCB10007 comprises an 8,948,591-bp circular chromosome and a 33,499-bp dissociated plasmid. In total, 8,121 protein-coding sequences were predicted, and the species-specific genomic features of A. orientalis were analyzed in comparison with that of A. mediterranei. The common characteristics of Amycolatopsis genomes were revealed via intra- and inter-generic comparative genomic analyses within the domain of actinomycetes, and led directly to the development of sequence-based Amycolatopsis molecular chemotaxonomic characteristics (MCCs). The chromosomal core/quasi-core and non-core configurations of the A. orientalis and the A. mediterranei genome were analyzed reciprocally, with respect to further understanding both the discriminable criteria and the evolutionary implementation. In addition, 26 gene clusters related to secondary metabolism, including the 64-kb vcm cluster, were identified in the genome. Employing a customized PCR-targeting-based mutagenesis system along with the biochemical identification of vancomycin variants produced by the mutants, we were able to experimentally characterize a halogenase, a methyltransferase and two glycosyltransferases encoded in the vcm cluster. The broad substrate spectra characteristics of these modification enzymes were inferred. CONCLUSIONS: This study not only extended the genetic knowledge of the genus Amycolatopsis and the biochemical knowledge of vcm-related post-assembly tailoring enzymes, but also developed methodology useful for in vivo studies in A. orientalis, which has been widely considered as a barrier in this field.

Dataset Information

Genome Sequence of the Vancomycin-Producing Amycolatopsis orientalis subsp. orientalis Strain KCTC 9412T.

Publications

Genome Sequence of the Vancomycin-Producing Amycolatopsis orientalis subsp. orientalis Strain KCTC 9412T.

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