Characterization of IS900 loci in Mycobacterium avium subsp. paratuberculosis and development of multiplex PCR typing The GenBank accession numbers for the sequences reported in this paper are AJ011838, AJ250015–AJ250023 and AJ251434–AJ251437.

Tim J. Bull

Department of Surgery, St George’s Hospital Medical School, Cranmer Terrace, London, UK1
John Hermon-Taylor

Department of Surgery, St George’s Hospital Medical School, Cranmer Terrace, London, UK1
Ivo Pavlik

Veterinary Research Institute, Brno, Czech Republic2
Fouad El-Zaatari

Baylor College of Medicine, Houston, TX, USA3
Mark Tizard

CSIRO Division of Animal Health, PO Box 24, Geelong, VIC 3220, Australia4