ANIRUDHA PAUL and SAMIR KUMAR MUKHERJEE* Department of Microbiology, University of Kalyani, Kalyani, India *Corresponding author: S. K. Mukherjee, Department of Microbiology, University of Kalyani, Kalyani, India; e-mail: dr.samirmukherjee@gmail.com Submitted 6 February 2015, revised 25 May 2015, accepted 31 May 2015 DOI: 10.5604/17331331.1197284 Abstract Nickel res...