Optimization of Direct Blue-14 dye degradation by Bacillus fermus (Kx898362) an alkaliphilic plant endophyte and assessment of degraded metabolite toxicity.
作者： K Sandesh , Girish Kumar , B Chidananda , P Ujwal
DOI: 10.1016/J.JHAZMAT.2018.10.074
关键词:
摘要: Abstract Alkaliphilic bacteria possesses the ability to survive in extreme conditions with high salt concentrations. The adaptability of alkaliphilic has made them predominant degrader field biodegradation. A moderately endophyte was isolated from Centella asiatica a potential degrade di-azo dye Direct Blue-14(DB-14). isolate identified as Bacillus fermus 97% similarity strain Xmb064. On optimization, maximum 92.76% biodegradation attained concentration at 68.78 ppm supplemented 1 g sucrose and 2.5% (v/v) inoculum for 72 h incubation. Characterization biodegraded product carried out using UV–vis spectrophotometry, FT-IR LC–MS confirmed destabilization bond followed degradation DB-14. Cytogenotoxicity studies revealed products be less toxic. current study is first report on biotransformation cytogenotoxicity DB-14 by B. Centella.
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