How does Aspergillus fumigatus spread

Aspergillus fumigatus

1 definition

Aspergillus fumigatus is the most commonly isolated species of the Aspergillus mold. Aspergillus fumigatus has a high level of thermal tolerance (growth up to 52 ° C). The fungus poses a significant health risk, especially for people with weakened immune systems.

2 occurrences

Aspergillus fumigatus grows at appropriate temperatures (16 - 52 ° C), especially in habitats close to humans, such as the organic waste bin, on compost, potting soil or in wallpaper. With favorable living conditions, it is irrelevant for the fungus whether it thrives outdoors or inside.

3 diffusion

The mold has a cosmopolitan distribution, i.e. it occurs in higher or lower frequency all over the world. It is one of the most widespread living beings.

4 way of life

Aspergillus fumigatus is a saprophytic fungus, it feeds mainly on dead parts of plants. Its spores are relatively resistant to heat and disinfectants. If the conditions are right, the spores germinate and the first hyphae are formed. These continue to spread and finally form a network of fungi, the mycelium. New spores form on the surface of the mycelium and are spread by the wind. The reproduction takes place exclusively asexually.

5 toxins

Aspergillus fumigatus is one of the fungi that are pathogenic to humans. It synthesizes the following mycotoxins, among others:

6 pathology

Aspergillus fumigatus can cause serious health damage in immunocompromised people. This often results in invasive aspergillosis, a potentially life-threatening infection in which the fungal hyphae spread within the organism. The local settlement and isolation of Aspergillus fumigatus in pre-existing natural or pathological cavities is called aspergilloma.

Inhaling the fungus and its spores can cause severe allergic reactions, leading to farmer's lung and asthma.