Genome-wide comparison of Carnobacterium maltaromaticum derived from diseased fish harbouring important virulence-related genes

© 2020 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 43(2020), 9 vom: 15. Sept., Seite 1029-1037
1. Verfasser: Roh, HyeongJin (VerfasserIn)
Weitere Verfasser: Kim, Bo Seong, Lee, Mu Kun, Park, Chan-Il, Kim, Do-Hyung
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Carnobacterium maltaromaticum wecC genome-wide comparison rainbow trout virulence
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520 |a Although Carnobacterium maltaromaticum has been used as a probiotic in fish, it was reported to cause disease for the first time in Korea. The objective of this study was to understand the differences between pathogenic and non-pathogenic strains. Pathogenicity was tested by challenging rainbow trout with C. maltaromaticum ATCC35586 and 18ISCm isolated from diseased fish, and DSM20342 isolated from a dairy product. We also compared 24 genomes of C. maltaromaticum strains plus the genome of our isolate 18ISCm sequenced in this study. Only the strains from diseased fish caused high mortality with severe histopathological changes. Although all strains shared more than 90% of Ko_id, wecC and xtmA were found only in strains from diseased fish. Interestingly, only strains from diseased fish harboured two wecC paralogs involved in the production of D-mannosaminuronic acid which is a major component of a well-known virulence factor, teichuronic acid. Two wecC paralogs of 18ISCm were increased when they were co-cultured with trout blood cells, suggesting that wecC genes might play a role in virulence. The results of this study show that strains isolated from diseased fish are different from strains derived from food in terms of pathogenicity to fish and the presence of virulence-related genes 
650 4 |a Journal Article 
650 4 |a Carnobacterium maltaromaticum 
650 4 |a wecC 
650 4 |a genome-wide comparison 
650 4 |a rainbow trout 
650 4 |a virulence 
700 1 |a Kim, Bo Seong  |e verfasserin  |4 aut 
700 1 |a Lee, Mu Kun  |e verfasserin  |4 aut 
700 1 |a Park, Chan-Il  |e verfasserin  |4 aut 
700 1 |a Kim, Do-Hyung  |e verfasserin  |4 aut 
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