But previous studies have noted that the full length ehxA gene could not be amplified for all PCR-ehxA positive isolates, indicating that there may be other ehxA subtypes or that the ehxA gene in these strains was not complete
But previous studies have noted that the full length ehxA gene could not be amplified for all PCR-ehxA positive isolates, indicating that there may be other ehxA subtypes or that the ehxA gene in these strains was not complete