TABLE 3.

Mutations detected in the rpoB core region from isolates with flat fluorescence signals for probe A or E

ProbeMutant codonNucleic acid substitutionAmino acid substitutionNo. of mutant isolates
IndiaMexicoTotal
A511CTG→CCGL→P3a03
E530CTG→GCTL→A011
531TCG→TTGS→L72330
TCG→TGGS→W189
TCG→TTCS→F022
533CTG→CCGL→P112
CTG→GCGL→A011
  • a A fourth isolate with a negative signal for probe A had a deletion between codons 511 and 514.