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Updated: Jun 30, 2026

Assessing Bacterial Invasion of Cardiac Cells in Culture and Heart Colonization in Infected Mice Using Listeria monocytogenes
Published on: May 27, 2015
Listeria grayi bacteremia in a heart transplant recipient
1Department of Internal Medicine, Division of Infectious Diseases, University of Texas Medical Branch, Galveston, Texas 77555-0435, USA. alwyn.rapose@gmail.com
Abstract:
Bacteria belonging to the genus Listeria have been isolated from food products of animal, plant, and fish origin, and are associated with infections in immunocompromised hosts, pregnant women, and infants. The species Listeria grayi has rarely been reported as a human pathogen. It has a unique antibiotic sensitivity profile. We describe a case of L. grayi bacteremia in a heart transplant recipient. The organism demonstrated a reduced sensitivity to ampicillin. The patient was successfully treated with a combination of vancomycin and ciprofloxacin.
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