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Table 1 Ability of F. columnare strain to receive pCP29 by conjugation with E. coli S17-1.

From: Development of methods for the genetic manipulation of Flavobacterium columnare

Strain Results of mating attemptsa Virulence in channel catfish
C#2 ++ High
AL-203-94 ++ High
Fc14-56 - Unknown
94-060 ++ High
1191-B + High
94-078 + High
94-081 ++ High
90-059 - Low
L90-659 ++ Low
92-002 - Low
C91-20 ++ Low
  1. aTransconjugates isolated at an efficiency equivalent to that achieved with C#2: ++; Transconjugants isolated but at low efficiency: +; no transconjugants isolated: -.