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| Content Provider | Springer Nature Link |
|---|---|
| Author | Vijay, Vrajan Vandana, Kozhikode Bhagavathiparambu Mathan Kumar, Rajendran Prabagaran, Solai Ramatchandirane |
| Copyright Year | 2016 |
| Abstract | A highly arsenic-metabolizing bacterial strain was isolated from an agricultural field known for arsenic contamination near Munshiganj (Bangladesh). Based on 16S rRNA gene analysis, the strain was identified as Micrococcus luteus and designated as strain BPB1. Arsenate and arsenite minimal inhibitory concentrations of 650 mM and 7.5 mM, respectively, were observed for strain BPB1, slightly higher than the figures observed in its close relative M. luteus DSM 20030$^{T}$. Such observations were consistent with the presence of arsenic-metabolizing genes in the genome of M. luteus. We describe this strain as having an MSH/Mrx-dependent class of arsenate reductase, and an arsenite transporter family in the ACR3(1) group. Besides an intracellular arsenic resistance mechanism, experiments carried out using field emission scanning electron microscopy-energy dispersive X-ray spectroscopy (FESEM-EDS) and Fourier transform infrared spectroscopy (FTIR) demonstrated the ability of BPB1 to sequester arsenate in extracellular polymeric substances on its cell surface. |
| Starting Page | 79 |
| Ending Page | 89 |
| Page Count | 11 |
| File Format | |
| ISSN | 15904261 |
| Journal | Annals of Microbiology |
| Volume Number | 67 |
| Issue Number | 1 |
| e-ISSN | 18692044 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-11-29 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | Subscribed |
| Subject Keyword | Arsenic Soil bacteria Arsenic resistance Arsenate reductase Arsenite transporter Biosorption Microbiology Microbial Genetics and Genomics Microbial Ecology Mycology Medical Microbiology Applied Microbiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Microbiology and Biotechnology |
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