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Applied and Environmental Microbiology, August 2008, p. 5254-5258, Vol. 74, No. 16
0099-2240/08/$08.00+0     doi:10.1128/AEM.00580-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Bacillus subtilis Spores Germinate in the Chicken Gastrointestinal Tract{triangledown}

Stephen T. Cartman,* Roberto M. La Ragione, and Martin J. Woodward

Department of Food and Environmental Safety, Veterinary Laboratories Agency, Woodham Lane, New Haw, Addlestone, Surrey KT15 3NB, United Kingdom

Received 11 March 2008/ Accepted 21 June 2008

A number of poultry probiotics contain bacterial spores. In this study, orally administered spores of Bacillus subtilis germinated in the gastrointestinal (GI) tracts of chicks. Furthermore, 20 h after spores were administered, vegetative cells outnumbered spores throughout the GI tract. This demonstrates that spore-based probiotics may function in this host through metabolically active mechanisms.

* Corresponding author. Present address: Institute of Infection, Immunity and Inflammation, Centre for Biomolecular Sciences, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom. Phone: 44 115 846 7959. Fax: 44 115 846 8002. E-mail: stephen.cartman{at}nottingham.ac.uk

{triangledown} Published ahead of print on 27 June 2008.

Applied and Environmental Microbiology, August 2008, p. 5254-5258, Vol. 74, No. 16
0099-2240/08/$08.00+0     doi:10.1128/AEM.00580-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.





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