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Xenobiotics enhance laccase activity in alkali-tolerant gama-proteobacterium JB / Xenobióticos aumentam a atividade de lacase em gama-Proteobacterium JB alcali-tolerante
Singh, Gursharan; Batish, Mona; Sharma, Prince; Capalash, Neena.
  • Singh, Gursharan; Panjab University. Department of Microbiology. Chandigarh. IN
  • Batish, Mona; Panjab University. Department of Microbiology. Chandigarh. IN
  • Sharma, Prince; Panjab University. Department of Microbiology. Chandigarh. IN
  • Capalash, Neena; Panjab University. Department of Biotechnology. Chandigarh. IN
Braz. j. microbiol ; 40(1): 26-30, Jan.-Mar. 2009. ilus, tab
Article in English | LILACS | ID: lil-513111
ABSTRACT
Various genotoxic textile dyes, xenobiotics, substrates (10 µM) and agrochemicals (100 µg/ml) were tested for enhancement of alkalophilic laccase activity inã-proteobacterium JB. Neutral Red, Indigo Carmine, Naphthol Base Bordears and Sulphast Ruby dyes increased the activity by 3.7, 2.7, 2.6 and 2.3 fold respectively. Xenobiotics/substrates like p-toluidine, 8-hydroxyquinoline and anthracine increased it by 3.4, 2.8 and 2.3 fold respectively. Atrazine and trycyclozole pesticides enhanced the activityby 1.95 and 1.5 fold respectively.
RESUMO
Vários corantes têxteis genotóxicos, xenobióticos, substratos (10 mM) e agroquímicos (100 mM/mL) foram testados quanto ao aumento da atividade de lacase em ã-Proteobacterium JB. Os corantes Neutral Red, Indigo Carmine, Naphtol Base Bordears e Sulphast Ruby aumentaram a atividade em 3,7, 2,7, 2,6 e 2,3 vezes, respectivamente. Xenobióticos/substratos como p-toluidina, 8-hidroxiquinolina e antracina aumentaram a atividade em 3,4, 2,8 e 2,3 vezes, respectivamente. Atrazina e pesticidas triciclozol aumentaram a atividade em 1,95 e 1,5 vezes, respectivamente.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Xenobiotics / Proteobacteria / Laccase / Coloring Agents / Mutagens Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2009 Type: Article Affiliation country: India Institution/Affiliation country: Panjab University/IN

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Full text: Available Index: LILACS (Americas) Main subject: Xenobiotics / Proteobacteria / Laccase / Coloring Agents / Mutagens Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2009 Type: Article Affiliation country: India Institution/Affiliation country: Panjab University/IN