Erratum to: Arch Microbiol DOI 10.1007/s00203-011-0769-7

In the original version, co-author Ashok K. Chopra was inadvertently not listed in the author group. The correct order of authors is given below:

Daniel C. Shippy, Joseph A. Heintz, Ralph M. Albrecht, Nicholas M. Eakley, Ashok K. Chopra, Amin A. Fadl

In addition, the below information was missed in "Acknowledgments" section:

Acknowledgments We thank Dr. Ashok Chopra’s research group, University of Texas Medical Branch, Galveston, Texas, USA, for their helpful discussion. The NIH/NIAID grant AI064389 (AKC) is fully acknowledged, which supported in part these studies.