1. Department of Molecular and Applied Microbiology; Leibniz-Institute for Natural Product Research and Infection Biology; Hans Knoell Institute (HKI) and Institute for Microbiology; Friedrich Schiller University Jena; Beutenbergstr. 11a 07745 Jena Germany
2. Nuclear Agriculture and Biotechnology Division; Bhabha Atomic Research Centre; Trombay Mumbai 400085 India