MICROBIAL COMMUNITY COMPOSITION IN CONTAMINATED SOIL SAMPLES OF THE YAMUNA RIVER
Journal Title: International Journal of Microbiology Research - Year 2017, Vol 9, Issue 3
Abstract
Yamuna is one of the important river of India and its stretch through Delhi is its most polluted part. Therefore it is important to study the effects of pollutants on microbial community structure to restorate it. For bioremediation, microbial community is needed to be investigated. 16S rDNA cloning technique was employed to study the microbial community composition. Results were analyzed by Canonical correspondence analysis (CCA) to understand the impact of environmental variables and coupled with Principle coordinate analysis (PCoA) to compare the diversity composition between the samples. Representative strains belonging to genera Geobacter, Sphaerobacter, Exinguobacterium and Eubacterium were dominant in the soil adjacent to contaminated river water. The presence of Geobacter indicated the phenolic compounds and organic compounds contamination in the river. On the other hand, the presence of Sphaerobacter indicated the sewage wastes in water while Exinguobacterium and Eubacterium showed the contamination of heavy metals. The indigenous bacterial communities were capable of decreasing the level of pollutants in the river water.
Authors and Affiliations
SUSHMA SHARMA, KHUSHBOO SINGH, DILEEP KUMAR SINGH
Keywords
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