FUNGAL MICROCOLONIES ON INDOOR SURFACES - AN EXPLANATION FOR THE BASE-LEVEL FUNGAL SPORE COUNTS IN INDOOR AIR

被引：24

作者：

PASANEN, AL ^{[1
]}

HEINONENTANSKI, H ^{[1
]}

KALLIOKOSKI, P ^{[1
]}

JANTUNEN, MJ ^{[1
]}

机构：

[1] NATL PUBL HLTH INST,DEPT ENVIRONM HYG & TOXICOL,SF-70701 KUOPIO,FINLAND

来源：

ATMOSPHERIC ENVIRONMENT PART B-URBAN ATMOSPHERE | 1992年 / 26卷 / 01期

关键词：

FUNGI; INDOOR AIR; INDOOR SURFACE; MICROCOLONY; MOISTURE; SPORE COUNT;

D O I：

10.1016/0957-1272(92)90043-R

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In the subarctic winter, fungal spores are found in indoor air even when outdoor spore levels are very low. The results of this study support an explanation that some indoor airborne fungal spores are derived from unnoticeable fungal microcolonies, which may develop on temporarily wet surfaces. Laboratory experiments on Penicillium verrucosum indicated that the fungus germinated on new wallpaper very quickly (about half an hour) under moist conditions. Hyphal growth and sporulation of the fungus on moist wallpaper occurred within one day of incubation. In gravity-settling tape samples from occasionally wet surfaces in a suburban home, large spore aggregates, hyphal fragments with some spores and spores in the germination stage were found, indicating fungal growth. These experiments showed that fungal microcolonies can develop within a week on occasionally wet indoor surfaces.

引用

页码：117 / 120

页数：4

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