00443pamaa2200145 4500 0000050623 20120912090000.0 120912s2011 eng 00221317 Microbiology : vol. 157, no. 5-6, 2011. UK: Society for General Microbiology, 1998-. v.: ill.; 27cm. Title from cover Microbiology -- periodical http://www.sgm.ac.uk/links/