1. Department of Microbiology, J.J. College of Arts and Science (Autonomous), Pudukkottai 622422, India
2. Department of Environmental Sciences, College of Agricultural and Environmental Sciences, University of South Africa—Florida Branch, Johannesburg 1709, South Africa
3. Antimicrobial Research Unit, College of Health Sciences, University of KwaZulu-Natal, Durban 4000, South Africa
4. Environmental Research Foundation, Westville 3630, South Africa