Table 4 Distribution of amino acids from protein rpoB in biovars. The position 979 has variation in amino acids: Alanine for some strains as 1002, 106, 3/99, 31, 258, 52.97, 162 and FRC41; while the same position is Threonine for other biovars as 42/02, 267, 231, I19, P54B96 and PAT10