Organization of the CTX prophage in environmental isolates of Vibrio mimicus

Mohammad Sirajul Islam, Mohammed Ziaur Rahman, Sirajul Islam Khan, Zahid Hayat Mahmud, Thandavarayan Ramamurthy, Gopinath Balakrish Nair, Richard Bradley Sack, David Allen Sack

Research output: Contribution to journalArticlepeer-review


The organization of the CTX prophage in environmental strains of Vibrio mimicus was investigated. Sixteen hundred non-sucrose fermenting vibrios were examined for ctx gene by hybridization. Out of 1,600 isolates, 6 V. mimicus isolates contained ctxA gene. The organization of CTX prophage was determined by RFLP using ctxA probe. The CTX prophage integrated at a single site in V. mimicus genome which was present as a single copy flanked by at least a single RS element. Ribotype pattern revealed that a particular clone of V. mimicus acquired the CTXφ in the aquatic environment. This study demonstrated that V. mimicus could act as a reservoir of CTXφ in the aquatic environment.

Original languageEnglish (US)
Pages (from-to)779-784
Number of pages6
JournalMicrobiology and Immunology
Issue number8
StatePublished - 2005
Externally publishedYes


  • Ctx gene
  • Environment
  • Genetic element
  • Vibrio mimicus

ASJC Scopus subject areas

  • Microbiology
  • Immunology
  • Virology


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