1. Department of Microbiology, School of Life Sciences, Bharathidasan University , Tiruchirappalli-620 024, Tamilnadu, India
2. P.G. & Research Department of Botany & Microbiology, A.V.V.M. Sri Pushpam College, (Autonomous) , Poondi-613 503, Thanjavur District, Tamilnadu, India