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Apr 28, 2021 · Aspergillus flavus- An Overview. Aspergillus flavus is the second most common species of Aspergillus in humans after Aspergillus fumigatus. Aspergillus flavus is a mildly pathogenic, saprophytic mold, commonly known to cause diseases in plants such as grains, cereals, trees, and nuts. They cause opportunistic infections in crops.
Aspergillus flavus is a saprotrophic and pathogenic fungus with a cosmopolitan distribution. It is best known for its colonization of cereal grains, legumes, and tree nuts. Postharvest rot typically develops during harvest, storage, and/or transit. Its specific name flavus derives from the Latin meaning yellow, a reference to the frequently observed colour of the spores.
Aspergillus flavus is a long-established and well-defined species dating from 1806 and can be classified in Aspergillus sect. Flavi. It is closely related to A. parasiticus and to A. oryzae and A. sojae, the latter two species being particularly important in the manufacture of fermented foods in Asia.
Jul 1, 2019 · Aspergillus flavus is the second most common etiological agent of invasive aspergillosis (IA) after A. fumigatus.However, most literature describes IA in relation to A. fumigatus or together with other Aspergillus species. Certain differences exist in IA caused by A. flavus and A. fumigatus and studies on A. flavus infections are increasing. Hence, we performed a comprehensive updated review on IA due to A. flavus.A. flavus is the cause of a broad spectrum of human diseases predominantly in ...
Feb 22, 2023 · Aspergillus is a ubiquitous, filamentous fungus that primarily causes infection in immunocompromised hosts and individuals with underlying pulmonary disease.[1][2] In the environment, Aspergillus species obtain nutrients from dead material and reproduce asexually via conidia.[3][1] Over twenty-four species of Aspergillus are capable of causing human disease, but A. fumigatus, followed by A. terreus and A. flavus, is the most implicated as a pathogen.[4] Although caused by the same genus of ...
Jun 7, 2016 · A. fumigatus, Aspergillus flavus, A. niger and A. terreus (and possibly also other aspergilli) possess multiple genes for the same pathways, meaning they are highly efficient at upregulating the TCA cycle, genes involved in metabolism of two‐carbon compounds, pentoses and poyols; giving Aspergillus a versatile and efficient metabolism of different carbon sources (Flipphi et al., 2009).
Aspergillus flavus Habitats and Presence in Food. Aspergillus flavus is a common soil fungus and is predominately saprotrophic, growing on dead plant tissue in the soil. The species is also a facultative parasite on a broad range of plants and often colonizes oil-rich seeds, such as corn, peanuts, cottonseed, and tree nuts (almond and pistachio), as well as other crops such as barley, wheat, and rice.
Aspergillus flavus is saprophytic soil fungus that infects and contaminates preharvest and postharvest seed crops with the carcinogenic secondary metabolite aflatoxin. The fungus is also an opportunistic animal and human pathogen causing aspergillosis diseases with incidence increasing in the immunocompromised population. Whole genome sequences of A. flavus have been released and reveal 55 secondary metabolite clusters that are regulated by different environmental regimes and the global ...
Aspergillus flavus is a fungus. It grows by producing thread like branching filaments known as hyphae. Filamentous fungi such as A. flavus are sometimes called molds. A network of hyphae known as the mycelium secretes enzymes that break down complex food sources. The resulting small molecules are absorbed by the myceilium to fuel additional fungal growth. The unaided eye cannot see individual hyphae, but dense mats of mycelium with conidia (asexual spores) often can be seen.
Aspergillus flavus is a member of the Aspergillus genus, which contains more than 100 recognized species, most of which grow well on common synthetic or semisynthetic media and around 50 of which have been shown to produce toxic metabolites. Aspergillus flavus is a long-established and well-defined species dating from 1806 and can be classified in Aspergillus sect. Flavi.
