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Journal of Clinical Microbiology, 04 1995, 1028-1030, Vol 33, No. 4
Copyright © 1995 by the American Society for Microbiology. All rights reserved.

Factors affecting growth and susceptibility testing of Helicobacter pylori in liquid media

PE Coudron and CW Stratton
Pathology and Laboratory Medicine Service/113, McGuire Veterans Affairs Medical Center, Richmond, Virginia 23249-0001, USA.

In order to increase the database for in vitro growth and/or susceptibility testing in liquid media, we evaluated the growth of Helicobacter pylori in broth media containing 5% sheep blood. We also compared the effect of bismuth on the growth of H. pylori in broth media containing 10% fetal calf serum with the effect on growth in media containing 0.5% starch. In contrast to the result seen with agar, we found that sheep blood, whether whole or laked, inhibited the growth of H. pylori in broth media. In addition, we found that bismuth inhibited growth in media with starch but that this inhibition was negated in media with serum.

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