Abstract

The genus Mycobacterium comprises a large number of well-characterized species, several of which are human and animal pathogens. Here, we report the whole-genome sequence of Mycobacterium sp. strain 012931, a fish pathogen responsible for huge losses in aquaculture farms in Japan. The strain was isolated from a marine fish, yellowtail (Seriola quinqueradiata).

Highlights

  • Mycobacteria are members of the family Mycobacteriaceae in the order Actinomycetales

  • In 1985, an epidemic caused by an unidentified Mycobacterium sp. spread in an aquaculture farm of yellowtail (Seriola quinqueradiata) in Sukumo Bay, Japan [5], and caused hemorrhagic ascites and hypertrophy of the spleen and kidney with tubercles and visceral adhesions [5]

  • Existing chemotherapeutic agents, including rifampicin, streptomycin, and erythromycin, can provide limited protection against the unidentified Mycobacterium sp., but this strain can proliferate after antibiotic treatment [7]

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Summary

Introduction

Mycobacteria are members of the family Mycobacteriaceae in the order Actinomycetales. The genus Mycobacterium currently contains 148 recognized species, including M. marinum, M. pseudoshottsii, and an unidentified Mycobacterium sp., which are the mostly commonly identified bacterial fish pathogens [2, 3]. Some are zoonotic, causing cellulitis, skin tuberculosis, and foreign body reactions in humans [4]. In 1985, an epidemic caused by an unidentified Mycobacterium sp.

Results
Conclusion

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