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Genome Sequences of Four Strains of Mycobacterium avium subsp. hominissuis, Isolated from Swine and Humans, Differing

N Bruffaerts1, C Vluggen2, L Duytschaever3

  • 1Service "Immunology," Operational Direction Communicable and Infectious Diseases, Scientific Institute of Public Health (WIV-ISP), Brussels, Belgium.

Genome Announcements
|June 18, 2016
PubMed

Insights

This study presents genome sequences for four Mycobacterium avium subsp. hominissuis strains from swine and human lymphadenopathy cases. These strains exhibit varying virulence in mouse models, offering insights into disease mechanisms.

Area of Science:

  • Microbiology
  • Genomics
  • Infectious Diseases

Background:

  • Mycobacterium avium subsp. hominissuis (MAH) is an opportunistic pathogen causing lymphadenopathy in both animals and humans.
  • Understanding the genetic basis of MAH virulence is crucial for developing effective control strategies.

Purpose of the Study:

  • To announce and analyze the genome sequences of four MAH strains.
  • To investigate the correlation between genomic differences and virulence in a murine model.

Main Methods:

  • Whole-genome sequencing of four MAH strains.
  • Comparative genomic analysis.
  • Murine intranasal infection model to assess virulence.

Main Results:

  • Genome sequences for four distinct MAH strains were successfully obtained.
  • Significant genomic variations were identified among the strains.
  • Virulence in the murine model correlated with specific genomic features.

Conclusions:

  • The genome sequences provide a valuable resource for studying MAH pathogenesis.
  • Genomic diversity contributes to the varying virulence of MAH strains.
  • Further research can leverage these sequences to understand host-pathogen interactions.

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