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Status of metal pollution in rivers flowing through urban settlements at Pune and its effect on resident microflora
Microbial Diversity Research Centre, Dr D Y Patil Biotechnology and Bioinformatics Institute, Dr D Y Patil Vidyapeeth, Pune, India.
University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre. (Bioteknik, Biotechnology)ORCID iD: 0000-0002-8162-8945
University of Skövde, School of Bioscience. University of Skövde, The Systems Biology Research Centre. (Bioteknik, Biotechnology)
Department of Zoology, University of Rajshahi, Bangladesh.
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2016 (English)In: Biologia (Bratislava), ISSN 0006-3088, E-ISSN 1336-9563, Vol. 71, no 5, 494-507 p.Article in journal (Refereed) Published
Abstract [en]

This study illustrates the sporadic distribution of metals in fluvial systems flowing from catchments to urban settlements. This is a detailed study prognosticating the deteriorating quality of rivers at specific locations due to metal pollution. Heavy metals like cadmium, lead, nickel and mercury are prominent in industrial sector. Contour plots derived using spatial and temporal data could determine the focal point of metal pollution and its gradation. Metal values recorded were cadmium 157 mg/L, lead 47 mg/L, nickel 61 mg/L and mercury 0.56 mg/L. Prokaryote diversity was less in polluted water and it harboured metal tolerant bacteria, which were isolated from these polluted sites. Actinomycetes like Streptomyces and several other bacteria like Stenotrophomonas and Pseudomonas isolated from the polluted river sites exhibited changes in morphology in presence of heavy metals. This stress response offered remedial measures as Streptomyces were effective in biosorption of cadmium, nickel and lead and Stenotrophomonas and Pseudomonas were effective in the bioaccumulation of lead and cadmium. The amount of 89 mg of lead and 106 mg of nickel could be adsorbed on one gram of Streptomyces biomass-based biosorbent. Such biological remedies can be further explored to remove metals from polluted sites and from metal contaminated industrial or waste waters.

Place, publisher, year, edition, pages
Bratislava: Slovak Academy of Sciences , 2016. Vol. 71, no 5, 494-507 p.
Keyword [en]
Metal pollution, Bioremediation, Morphological Changes, Pune rivers, Prokaryote Diversity
National Category
Microbiology Environmental Sciences Water Engineering
Research subject
Natural sciences
URN: urn:nbn:se:his:diva-12307DOI: 10.1515/biolog-2016-0074ISI: 000379818000005ScopusID: 2-s2.0-84976553017OAI: oai:DiVA.org:his-12307DiVA: diva2:931984
Bioremediation of toxic metals and other pollutants for protecting human health and the ecosystem
Sida - Swedish International Development Cooperation Agency
Available from: 2016-05-31 Created: 2016-05-31 Last updated: 2016-08-17Bibliographically approved

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The full text will be freely available from 2017-08-01 08:38
Available from 2017-08-01 08:38

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