Types of Mold- Aureobasidium

Aureobasidium pullulans is a ubiquitous black, yeast-like fungus that can be found in different environments (e.g. soil, water, air and limestone). It is well known as a naturally occurring epiphyte or endophyte of a wide range of plant species (e.g. apple, grape, cucumber, green beans, cabbage) without causing any symptoms of disease.[1] A. pullulans has a high importance in biotechnology for the production of different enzymes, siderophores and pullulan.[2] Furthermore, A. pullulans is used in biological control of plant diseases, especially storage diseases.[3][4]

Chronic human exposure to¬†A. pullulans¬†via humidifiers or air conditioners can lead to hypersensitivity¬†pneumonitis¬†(extrinsic allergic alveolitis) or “humidifier lung“. This condition is characterized acutely by¬†dyspnea, cough, fever, chest infiltrates, and acute inflammatory reaction. The condition can also be chronic, and¬†lymphocyte-mediated. The chronic condition is characterized radiographically by reticulonodular infiltrates in the lung, with apical sparing. The strains causing infections in humans were reclassified to¬†A. melanogenum.[5]

Source: https://en.wikipedia.org/wiki/Aureobasidium_pullulans


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