Toxic-metabolite-producing bacteria and fungus in an indoor environment
Peltola, J., M. A. Andersson, T. Haahtela, H. Mussalo-Rauhamaa, F. A. Rainey, R. M. Kroppenstedt, and R. A. Samson
2002 Applied and Environmental Microbiology, Vol. 67, No. 7, 3269-3274
Peltola, J., M. A. Andersson, T. Haahtela, H. Mussalo-Rauhamaa, F. A. Rainey, R. M. Kroppenstedt, and R. A. Samson, (2002), "Toxic-metabolite-producing bacteria and fungus in an indoor environment", Applied and Environmental Microbiology, Vol. 67, No. 7, 3269-3274.
Abstract:
Toxic-metabolite-emitting microbes were isolated from the indoor environment of a building where the occupant was suffering serious building-related ill-health symptoms. Toxic substances soluble in methanol and inhibitory to spermatozoa at <10 ¦Ìg (dry weight) ml1 were found from six bacterial isolates and one fungus. The substances from isolates of Bacillus simplex and from isolates belonging to the actinobacterial genera Streptomyces and Nocardiopsis were mitochondriotoxic. These substances dissipated the mitochondrial membrane potential () of boar spermatozoa. The substances from the Streptomyces isolates also swelled the mitochondria. The substances from isolates of Trichoderma harzianum Rifai and Bacillus pumilus damaged the cell membrane barrier function of sperm cells.
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