Amoebae and other protozoa in material samples from moisture-damaged buildings

Environmental Research
Terhi Yli-PiriläAino Nevalainen

Abstract

Mold growth in buildings has been shown to be associated with adverse health effects. The fungal and bacterial growth on moistened building materials has been studied, but little attention has been paid to the other organisms spawning in the damaged materials. We examined moist building materials for protozoa, concentrating on amoebae. Material samples (n = 124) from moisture-damaged buildings were analyzed for amoebae, fungi, and bacteria. Amoebae were detected in 22% of the samples, and they were found to favor cooccurrence with bacteria and the fungi Acremonium spp., Aspergillus versicolor, Chaetomium spp., and Trichoderma spp. In addition, 11 seriously damaged samples were screened for other protozoa. Ciliates and flagellates were found in almost every sample analyzed. Amoebae are known to host pathogenic bacteria, such as chlamydiae, legionellae, and mycobacteria and they may have a role in the complex of exposure that contributes to the health effects associated with moisture damage in buildings.

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Citations

Mar 23, 2005·European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology·M SeuriP Saikku
Jul 22, 2008·Applied and Environmental Microbiology·Mario J M VaerewijckKurt Houf
May 16, 2006·Canadian Journal of Microbiology·Terhi Yli-PiriläAino Nevalainen
Apr 21, 2012·International Journal of Hygiene and Environmental Health·Jonathon TaylorKa Man Lai
Jul 4, 2007·Environmental Toxicology·Terhi Yli-PiriläMaija-Riitta Hirvonen
Dec 17, 2008·Indoor Air·T Yli-PiriläA Nevalainen
Jan 21, 2015·Indoor Air·A NevalainenA Hyvärinen
Apr 13, 2011·Environment International·Jonathon TaylorPhillip Biddulph
Oct 2, 2009·Toxicology and Industrial Health·Jack D Thrasher, Sandra Crawley
Jan 24, 2019·Journal of Fungi·Arturo CasadevallPatricia Albuquerque
Aug 18, 2021·Microbiology·Airi KawashiroHiroyuki Yamaguchi

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