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Gene. 2015 Apr 25;561(1):45-53. doi: 10.1016/j.gene.2015.02.053. Epub 2015 Feb 19.

Genomic and proteomic features of mycobacteriophage SWU1 isolated from China soil.

Author information

1
Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environment of Three Gorges Reservoir, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400715, China; School of Biological Science and Technology, University of Jinan, Shandong 250022, China. Electronic address: fxysnd@126.com.
2
Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environment of Three Gorges Reservoir, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400715, China. Electronic address: 519465867@qq.com.
3
Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environment of Three Gorges Reservoir, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400715, China. Electronic address: xielongxiang123@126.com.
4
Center for Phage Technology, Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843-2128, USA. Electronic address: lzeng@tamu.edu.
5
Center for Phage Technology, Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843-2128, USA. Electronic address: ryland@tamu.edu.
6
Institute of Modern Biopharmaceuticals, State Key Laboratory Breeding Base of Eco-Environment and Bio-Resource of the Three Gorges Area, Key Laboratory of Eco-environment of Three Gorges Reservoir, Ministry of Education, School of Life Sciences, Southwest University, Chongqing 400715, China. Electronic address: georgex@swu.edu.cn.

Abstract

Mycobacteriophage SWU1 is a newly isolated phage from soil sample collected in Sichuan province, China using Mycobacterium smegmatis mc(2)155 as host. Plaque, phage morphology and one-step growth curve were characterized. The complete genomic sequence of phage SWU1 was determined by shotgun sequencing. The ends of SWU1 were determined. Structural proteins of SWU1 were analyzed by NanoLC-ESI-MS/MS. Seven ORFs were identified as structural protein encoded by SWU1 genome. The genetic basis underlying the SWU1 plaque was explored using comparative genomics. Prophages homologous to SWU1 were identified in two pathogens, Segniliparus rugosus ATCC BAA-974 and Mycobacterium rhodesiae JS60. Genus Segniliparus is a member of the order Corynebacteriales. To our knowledge, this is the first report of Mycobacterium prophages in different genera.

KEYWORDS:

Electron microscopy; Genome; Mycobacteriophage; Plaque; Proteome

PMID:
25701596
PMCID:
PMC5066301
DOI:
10.1016/j.gene.2015.02.053
[Indexed for MEDLINE]
Free PMC Article

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