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Draft Genome Sequence of Streptococcus agalactiae Serotype Ia Strain M19, a Multidrug-Resistant Isolate from a Cow

Feng Yang1, Hongsheng Li1, Shidong Zhang1

  • 1Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Sciences, Lanzhou, Gansu, People's Republic of China.

Genome Announcements
|November 5, 2016
PubMed

Insights

Streptococcus agalactiae causes bovine mastitis globally. This study presents the draft genome sequence of a multidrug-resistant S. agalactiae Ia strain M19, isolated from a dairy cow in China.

Area of Science:

  • Veterinary microbiology
  • Bacterial genomics
  • Animal infectious diseases

Background:

  • Streptococcus agalactiae is a significant cause of contagious bovine mastitis.
  • Antimicrobial resistance in S. agalactiae poses a threat to animal health and food safety.
  • Bovine mastitis results in substantial economic losses in the dairy industry worldwide.

Purpose of the Study:

  • To report the draft genome sequence of Streptococcus agalactiae Ia strain M19.
  • To characterize a multidrug-resistant isolate from a bovine mastitis case.
  • To provide genomic data for understanding S. agalactiae Ia epidemiology and resistance.

Main Methods:

  • Whole-genome sequencing of S. agalactiae Ia strain M19.
  • Bioinformatic analysis of the draft genome sequence.
  • Identification of antimicrobial resistance genes and virulence factors.

Main Results:

  • The draft genome sequence of S. agalactiae Ia strain M19 was successfully generated.
  • Strain M19 was identified as multidrug-resistant.
  • Genomic analysis provided insights into the genetic basis of resistance and potential virulence.

Conclusions:

  • The genomic data of S. agalactiae Ia strain M19 contributes to the understanding of bovine mastitis pathogens.
  • This study highlights the importance of monitoring multidrug-resistant strains in veterinary settings.
  • Further research can utilize this genome sequence for developing targeted control strategies against S. agalactiae.

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