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Aspergillus flavus is a saprotrophic and pathogenic [1] fungus with a cosmopolitan distribution. [2] It is best known for its colonization of cereal grains , legumes , and tree nuts . Postharvest rot typically develops during harvest, storage, and/or transit.
In 2009, A. fumigatus was shown to have a heterothallic, fully functional sexual cycle. [18] Isolates of complementary mating types are required for sex to occur. A. flavus is the major producer of carcinogenic aflatoxins in crops worldwide.
Aspergillus flavus produces aflatoxin which is both a toxin and a carcinogen and which can potentially contaminate foods such as nuts. Aspergillus fumigatus and Aspergillus clavatus can cause allergic disease. Some Aspergillus species cause disease on grain crops, especially maize, and synthesize mycotoxins including aflatoxin.
Aflatoxin M 1 is present in the fermentation broth of Aspergillus parasiticus, but it and aflatoxin M 2 are also produced when an infected liver metabolizes aflatoxin B 1 and B 2. Aflatoxin B 1 and B 2 (AFB), produced by A. flavus and A. parasiticus; Aflatoxin G 1 and G 2 (AFG), produced by some Group II A. flavus and Aspergillus parasiticus [19]
Aspergillus fumigatus, is a heterothallic fungus. [7] It is one of the most common Aspergillus species to cause disease in humans with an immunodeficiency. A. fumigatus, is widespread in nature, and is typically found in soil and decaying organic matter, such as compost heaps, where it plays an essential role in carbon and nitrogen recycling.
Eating from Plastic Takeout Containers Can Cause ‘Extensive’ Heart Damage, Increase Risk of Cardiovascular Disease. Cara Lynn Shultz. February 17, 2025 at 2:26 PM. Getty.
The maxillary sinus is the most commonly involved. Fungi responsible for fungal sinusitis are Aspergillus fumigatus (90%), Aspergillus flavus, and Aspergillus niger. Fungal sinusitis occurs most commonly in middle-aged populations. Diabetes mellitus is the most common risk factor involved. [3]
Violetta Hyatt shares her daughter Maddie's tragic story on TikTok, warning parents about invasive Strep A after losing her daughter to the disease Her 3-Year-Old Died of Invasive Strep A.