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Microbial community changes induced by thiocyanate released from sago factory effluent

V.R.Muthukumaran, P.Visvanathan, R.S.Ganesh Kumar, L.Macklin Rani, M.Govindaraju

The realm of microbial diversity encompasses numerous organisms belonging to the kingdom of Bacteria, Eukarya and Archae. The toxic compounds may cause a shift in microbial community. Sago factory effluent collected fromthree sites was found to containmaximal Cyanide and Thiocyanate concentration of 1.7 mg/l and 12.2 mg/l respectively.After 10 days of incubation, maximal microbial growth was observed in site 3 while the microbial growth decreased in presence of 20 mM Thiocyanate. Shannon- Weiner and SimpsonsÂ’ diversity index revealed the negative impacts imposed by Thiocyanate on bacterial community.