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Isolation and characterization of arsenic resistant bacteria from wastewater BJM
Abbas,Syed Zaghum; Riaz,Mehwish; Ramzan,Naseem; Zahid,M. Tariq; Shakoori,Farah R.; Rafatullah,Mohd..
The present study proposed the isolation of arsenic resistant bacteria from wastewater. Only three bacterial isolates (MNZ1, MNZ4 and MNZ6) were able to grow in high concentrations of arsenic. The minimum inhibitory concentrations of arsenic against MNZ1, MNZ4 and MNZ6 were 300 mg/L, 300 mg/L and 370 mg/L respectively. The isolated strains showed maximum growth at 37 ºC and at 7.0 pH in control but in arsenite stress Luria Bertani broth the bacterial growth is lower than control. All strains were arsenite oxidizing. All strains were biochemically characterized and ribotyping (16S rRNA) was done for the purpose of identification which confirmed that MNZ1 was homologous to Enterobacter sp. while MNZ4 and MNZ6 showed their maximum homology with Klebsiella...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Arsenite oxidizing bacteria; Bioremediation; Enterobacter sp.; Klebsiella pneumoniae.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000400022
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