A note on symbiosis of Legionella pneumophila and Tatlockia micdadei with human respiratory flora |
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| Authors: | Janet E Stout Michele G Best V L Yu J D Rihs |
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| Institution: | Infectious Disease and Special Pathogens Sections, Veterans Administration Medical Center and The University of Pittsburgh, Pittsburgh, PA 15240, USA |
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| Abstract: | Sixteen micro-organisms, representing clinically important respiratory microflora, were tested for their ability to stimulate the growth of Legionella pneumophila and Tatlockia micdadei in nutritionally-deficient agar media. Nutritional symbiosis, indicated by the appearance of satellite colonies of L. pneumophila or T. micdadei , was observed for H. influenzae and N. meningitidis. This interaction between normal flora and pathogens of the respiratory tract may have clinical relevance in the pathogenesis of Legionnaires' disease and Pittsburgh pneumonia. |
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