Lab Name of Bacteria MG MB AB PR TA
Plates showing positive results
PNP1 + + + + + + + + + - + + +
PNP2 + - - + +
PNP3 + + + - + + + + + + +
PNP4 + + + + + + +
PNP5 - - - - -
PNP6 - + + + + + + +++ + + +
PNP7 - - - - -
PNP8 + + + + + + + + + + + +
PNP9 - - - - -
PNP10 - - - - -
Note* +++ = Maximum; + = Minimum; – = No decolourization
Table 3: Decolourization of dyes by isolated bacteria.