The minimal mobile element

Nigel J. Saunders1 and Lori A. S. Snyder1

Bacterial Pathogenesis and Functional Genomics Group, Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford. OX1 3RE, 1

Author for correspondence: Nigel J. Saunders. Tel: (+44) 1865 275521. Fax: (+44) 1865 275515. e-mail: saunders{at}molbiol.ox.ac.uk