Raw data for degradation of dye

The application
of microorganisms in azo dye remediation has gained significant attention,
leading to various published studies reporting different methods for obtaining
the best dye decolouriser. This paper investigates and compares the role of
methods and media used in obtaining a bacterial consortium capable of
decolourising azo dye as the sole carbon source, which is extremely rare to
find. It was demonstrated that a prolonged acclimation under low substrate
availability successfully isolated a novel consortium capable of utilising
Reactive Red 120 dye as a sole carbon source in aerobic conditions. This
consortium, known as JR3, consists of Pseudomonas aeruginosa
strain MM01, Enterobacter sp. strain MM05 and Serratia marcescens strain
MM06. Decolourised metabolites of consortium JR3 showed an improvement in
mung bean’s seed germination and shoot and root length. One-factor-at-time
optimisation characterisation showed maximal of 82.9% decolourisation at 0.7
g/L ammonium sulphate, pH 8, 35 °C, and RR120 concentrations of 200 ppm.
Decolourisation modelling utilising response surface methodology (RSM)
successfully improved decolourisation even more. RSM resulted in maximal
decolourisation of 92.79% using 0.645 g/L ammonium sulphate, pH 8.29, 34.5 °C
and 200 ppm RR120.