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HOME > J. Microbiol > Volume 55(6); 2017 > Article
Journal Article
Nocardioides suum sp. nov. isolated from the air environment in an indoor pig farm
Siwon Lee 1, Wonseok Lee 1, Hyen-Mi Chung 2, Sangjung Park 1
Journal of Microbiology 2017;55(6):417-420.
DOI: https://doi.org/10.1007/s12275-017-6313-y
Published online: April 20, 2017
1Water Supply and Sewerage Research Division, National Institute of Environmental Research, Incheon 22689, Republic of Korea, 2Environmental Infrastructure Research Department, National Institute of Environmental Research, Incheon 22689, Republic of Korea1Water Supply and Sewerage Research Division, National Institute of Environmental Research, Incheon 22689, Republic of Korea, 2Environmental Infrastructure Research Department, National Institute of Environmental Research, Incheon 22689, Republic of Korea
Corresponding author:  Sangjung Park , Tel: +82-42-560-8353, 
Received: 1 July 2016   • Revised: 11 January 2017   • Accepted: 16 January 2017
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Abstract

A bacterial strain PBT33-2T was isolated from the air environ-ment in an indoor pig farm. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain PBT33-2T be-longed to the genus Nocardioides in the phylum Actinobac-teria, and was most closely related to Nocardioides daphnia D287T in a maximum-likelihood and neighbor-joining phy-logenetic trees. Strain PBT33-2T shared 95.3% sequence iden-tity with N. daphnia D287T. However, the highest sequence similarity was shown with N. sediminis MSL-01T (96.0%). It had less than 96.0% sequence identities with other type spe-cies of the genus Nocardioides. Strain PBT-33-2T grew at 15–45°C (optimum 20–35°C), pH 5.0–11.0 (optimum pH 7.0) and 0–4.0% (w/v) NaCl (optimum 0%). The major fatty acid and quinone were iso-C16:0 and MK-8, and the DNA G+C content of strain PBT33-2T was 69.3 mol%. On the basis of poly-phasic results, strain PBT33-2T represents a novel spe-cies of the genus Nocardioides, for which the name Nocar-dioides suum sp. nov. is proposed. Its type strain is PBT33-2T (=KCTC 39558T =DSM 102833T).

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    Nocardioides suum sp. nov. isolated from the air environment in an indoor pig farm
    J. Microbiol. 2017;55(6):417-420.   Published online April 20, 2017
    DOI: https://doi.org/10.1007/s12275-017-6313-y
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