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Updated: Oct 8, 2026

Tractable Mammalian Cell Infections with Protozoan-primed Bacteria
Published on: April 2, 2013
Legionella lansingensis sp. nov. isolated from a patient with pneumonia and underlying chronic lymphocytic leukemia
W L Thacker1, J W Dyke, R F Benson
1Division of Bacterial and Mycotic Diseases, Centers for Disease Control, Atlanta, Georgia 30333.
Abstract:
A Legionella-like organism, strain 1677-MI-H, was isolated from the bronchoscopy washings of a patient with pneumonia who had a 2-year history of progressive, chronic lymphocytic leukemia. The growth characteristics, cellular fatty acids, and ubiquinone content of the isolate were consistent with those for Legionella spp. The isolate was serologically distinct in the slide agglutination test with absorbed antisera. DNA hybridization studies showed that strain 1677-MI-H (ATCC 49751) represents a new Legionella species which is named Legionella lansingensis.
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