Nasrin Akhtar

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Out of 17 samples collected from diverse environments, 110 bacterial isolates of varied characteristics were screened for their dibenzothiophene-desulphurizing activity. A single isolate, Eu-32, originating from a soil sample taken from the roots of a eucalyptus tree, displayed dibenzothiophene-desulphurizing activity. This isolate metabolized(More)
Culturable bacterial biodiversity and industrial importance of the isolates indigenous to Khewra salt mine, Pakistan was assessed. PCR Amplification of 16S rDNA of isolates was carried out by using universal primers FD1 and rP1and products were sequenced commercially. These gene sequences were compared with other gene sequences in the GenBank databases to(More)
Polyhexamethylene biguanide (PHMB), a broad spectrum disinfectant against many pathogens, was used as a stabilizing ligand for the synthesis of fairly uniform silver nanoparticles. The particles formed were characterized using UV-visible spectroscopy, FTIR, dynamic light scattering, electrophoretic mobility, and TEM to measure their morphology and surface(More)
Metabolically microorganisms are diverse, and they are capable of transforming almost every known group of chemical compounds present in coal and oil in various forms. In this milieu, one of the important microbial metabolic processes is the biodesulfurization [cleavage of carbon–sulfur (C–S) bond] of thiophenic compounds, such as dibenzothiophene (DBT),(More)
Rhodococcus spp. (Eu-32) has the unique ability to metabolize organic sulphur containing compounds like dibenzothiophene through an extended sulphur specific pathway (Akhtar et al., in FEMS Microbiol Lett 301:95–102, 2009). Efforts were made to isolate and characterize the presumed desulphurizing genes (dszABC) involved in the sulphur specific pathway of(More)
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