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Methylobacterium spp. as an indicator for the presence or absence of Mycobacterium spp. | LitMetric

Methylobacterium spp. as an indicator for the presence or absence of Mycobacterium spp.

Int J Mycobacteriol

Division of Pulmonary and Critical Care Medicine, Lankenau Medical Center, Lankenau Institute for Medical Research, Wynnewood, PA, USA.

Published: June 2016

AI Article Synopsis

Article Abstract

Objective/background: A published survey of bacteria in showerhead biofilm samples revealed that Methylobacterium spp. and Mycobacterium spp. seldom coexisted in biofilms.

Methods: To confirm that information, biofilm samples were collected from household plumbing of Mycobacterium avium patients and Methylobacterium spp. and M. avium numbers were measured by direct colony counts.

Results: The results demonstrated that if Methylobacterium spp. were present, Mycobacterium spp. were absent, and the opposite.

Conclusion: The data demonstrate that microbial populations in biofilms can influence the presence or absence of opportunistic premise plumbing pathogens and, thereby, increase the range of strategies to reduce exposure to waterborne pathogens. Finally, by assessing for the visual presence of methylobacteria as pink pigmentation on showers and shower curtains, homeowners and managers of hospitals and other buildings can quickly determine whether a premise plumbing biofilm sample has mycobacteria with a high degree of assurance.

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.ijmyco.2016.03.001DOI Listing

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