Acquisition and dissemination mechanisms of CTXΦ in Vibrio cholerae: New paradigm for dif residents

Table 1 Cholera toxin phage variants and their dimer resolution sites sites specificities

CTXΦvariants	Isolated from	Chromosomal integration site	Ref.
CTXΦd1	O1 El Tor	difA, dif1	Das et al[29] Das et al[10]
CTXΦd1/2	O1 classical	difA, dif1 and dif2	Das et al[29] Das et al[10]
CTXΦdG	Environmental	difG	Das et al[29] Das et al[10]

CTXΦ: Cholera toxin phage; dif: Dimer resolution sites.