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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.
Högskolan i Skövde, Institutionen för biovetenskap. Högskolan i Skövde, Forskningscentrum för Systembiologi. (Bioteknik, Biotechnology)ORCID-id: 0000-0002-8162-8945
Högskolan i Skövde, Institutionen för biovetenskap. Högskolan i Skövde, Forskningscentrum för Systembiologi. (Bioteknik, Biotechnology)
Department of Zoology, University of Rajshahi, Bangladesh.
Vise andre og tillknytning
2016 (engelsk)Inngår i: Biologia (Bratislava), ISSN 0006-3088, E-ISSN 1336-9563, Vol. 71, nr 5, s. 494-507Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
Bratislava: Springer, 2016. Vol. 71, nr 5, s. 494-507
Emneord [en]
Metal pollution, Bioremediation, Morphological Changes, Pune rivers, Prokaryote Diversity
HSV kategori
Forskningsprogram
Naturvetenskap; Bioteknik
Identifikatorer
URN: urn:nbn:se:his:diva-12307DOI: 10.1515/biolog-2016-0074ISI: 000379818000005Scopus ID: 2-s2.0-84976553017OAI: oai:DiVA.org:his-12307DiVA, id: diva2:931984
Prosjekter
Bioremediation of toxic metals and other pollutants for protecting human health and the ecosystem
Forskningsfinansiär
Sida - Swedish International Development Cooperation AgencyTilgjengelig fra: 2016-05-31 Laget: 2016-05-31 Sist oppdatert: 2019-11-25bibliografisk kontrollert

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