Alternaria alternata
Alternaria alternata
Alternaria alternata (pronunciation: al-ter-nar-ia al-ter-nata) is a species of fungi that is commonly found in the environment. It is known to cause a variety of plant diseases and can also cause health problems in humans.
Etymology
The name Alternaria alternata is derived from the Latin alternus, meaning "alternate", and -ata, a common suffix in taxonomy used to denote belonging or relation. The name reflects the alternating pattern of growth observed in this species.
Description
Alternaria alternata is a dematiaceous (darkly pigmented) fungus that produces large conidia (spores) that are easily dispersed in the air. The fungus is a common saprophyte, meaning it derives its nutrients from dead or decaying organic matter. It is also a common plant pathogen, causing diseases in a wide range of host plants.
Health Effects
In humans, Alternaria alternata is a common cause of allergic rhinitis and asthma. Exposure to the fungus can cause an allergic reaction, leading to symptoms such as sneezing, runny nose, and itchy eyes. In severe cases, it can cause an asthma attack.
Related Terms
See Also
External links
- Medical encyclopedia article on Alternaria alternata
- Wikipedia's article - Alternaria alternata
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