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KMID : 0364820200560020190
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Korean Journal of Microbiology
2020 Volume.56 No. 2 p.190 ~ p.192
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Complete genome sequence of Streptococcus equinus CNU_G6, isolated from the rumen of native Korean cattle
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Park Seon-Young
Lee Min-Gyung
Lim Se-Ra
Kim Jun-Seob
Kim Seon-Yeong
Han Jee-Eun
Seo Seong-Won
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Abstract
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Streptococcus bovis/Streptococcus equinus complex (SBSEC) is a major lactic acid-producing bacteria commonly found in ruminants and known to cause acute ruminal acidosis. However, the genetic (or genomic) characteristics of the SBSEC in ruminants have not been well investigated until yet in Korea. Here, we report the complete genome sequence of S. equinus strain CNU_G6, isolated from a native Korean cattle (Hanwoo). The sequenced genome of strain CNU_G6 was 1,997,064 bp long with a G + C content of 37.4%, and possessed a plasmid (p1_CNU_G6) different from other sequenced S. equinus strains. The L-lactate dehydrogenase, which is responsible for the production of lactic acid, was detected in the genome, thus suggesting that the isolate might have a potential to cause ruminal acidosis in Hanwoo. The genome of S. equinus CNU_ G6 will provide important insights into the understanding of the biodiversity of the SBSEC in Hanwoo and the development of control strategies against ruminal acidosis in Korea.
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KEYWORD
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Streptococcus equinus, Streptococcus bovis/Streptococcus equinus complex, Hanwoo, ruminal acidosis, South Korea
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