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Encyclopedia > Fusarium
Wikipedia:How to read a taxobox
How to read a taxobox
Fusarium
Fusarium verticillioides
Fusarium verticillioides
Scientific classification
Kingdom: Fungi
Phylum: Ascomycota
Class: Sordariomycetes
Order: Hypocreales
Genus: Fusarium

Fusarium is a large genus of filamentous fungi widely distributed in soil and in association with plants. Most species are harmless saprobes and are relatively abundant members of the soil microbial community. Some species produce mycotoxins in cereal crops that can affect human and animal health if it enters the food chain. The main toxins produced by these Fusarium are fuminosins and trichothecenes. Image File history File links Download high resolution version (2897x1944, 3493 KB)Photomicrograph revealing the conidiophores and conidia of the fungus Fusarium verticillioides. ... Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. ... Divisions Chytridiomycota Zygomycota Ascomycota Basidiomycota The Fungi (singular: fungus) are a large group of organisms ranked as a kingdom within the Domain Eukaryota. ... Subphyla/Classes Archaeascomycetes Euascomycetes Hemiascomycetes or Pezizomycotina Laboulbeniomycetes Eurotiomycetes Lecanoromycetes Leotiomycetes Pezizomycetes Sordariomycetes Dothideomycetes (and many more) Saccharomycotina Saccharomycetes Taphrinomycotina Neolectomycetes Pneumocystidomycetes Schizosaccharomycetes Taphrinomycetes The Ascomycota, formerly known as the Ascomycetae, or Ascomycetes, are a Division of Fungi, whose members are commonly known as the Sac Fungi, which produce spores... Orders Diaporthales Hypocreales Microascales Sordariales Sordariomycetes is a class of the subdivision, Pezizomycotina, which includes ascomycetous fungi. ... Genera Gibberella Hypocrea Hypomyces Nectria Hypocreales is a taxonomic order within the class Sordariomycetes. ... A filament is a fine, thinly spun thread, fiber, or wire. ... Divisions Chytridiomycota Zygomycota Ascomycota Basidiomycota The Fungi (singular: fungus) are a large group of organisms ranked as a kingdom within the Domain Eukaryota. ... A saprotroph (or saprobe) is an organism that obtains its nutrients from non-living organic matter, usually dead and decaying plant or animal matter, by absorbing soluble organic compounds. ... Mycotoxin is a toxin produced by a fungus under special conditions of moisture and temperature. ... Chemical structure of Trichothecenes Trichothecenes are a group of sesquiterpenes produced by various Fusarium species like F. graminearum, F. sporotrichioides, F. poae or F. equiseti. ...


Pathogens

The genus includes a number of economically important plant pathogenic species. The genome of the wheat and maize pathogen, Fusarium graminearum, has been sequenced. In addition, some species may cause a range of opportunistic infections in humans. In humans with normal immune systems, fusarial infections may occur in the nails (onychomycosis) and in the cornea (keratomycosis or mycotic keratitis). [1] In humans whose immune systems are weakened in a particular way (neutropenia, i.e., very low count of the white blood cell type called neutrophils), aggressive fusarial infections penetrating the entire body and bloodstream (disseminated infections) may be caused by members of the Fusarium solani complex, Fusarium oxysporum, Fusarium verticillioides, Fusarium proliferatum and rarely other fusarial species. [2] The neutropenia in such cases is almost always the result of chemotherapy against certain kinds of leukemia or else heavy use of immunosuppressive drugs in problematic cases of major organ transplant surgery. A pathogen or infectious agent is a biological agent that causes disease or illness to its host. ... Opportunistic infections are infections caused by organisms and usually do not cause disease in a person with a healthy immune system, but can affect people with a poorly functioning or suppressed immune system. ... The word nail has several meanings: In anatomy, a nail is a hard covering to the tip of fingers or toes In engineering, a nail is a metal pin-shaped object used to hold things together This is a disambiguation page — a navigational aid which lists other pages that... Onychomycosis means fungal infection of the nails. ... The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber, providing most of an eyes optical power [1]. Together with the lens, the cornea refracts light and, as a result, helps the eye to focus. ... Keratomycosis is the fungal infection of the cornea. ... It has been suggested that Agranulocytosis be merged into this article or section. ... Neutrophil granulocytes (commonly referred to as neutrophils) are a class of white blood cells and are part of the immune system. ... Binomial name Fusarium oxysporum Schltdl. ... Chemotherapy is the use of chemical substances to treat disease. ... Leukemia or leukaemia (see spelling differences) is a cancer of the blood or bone marrow and is characterized by an abnormal proliferation (production by multiplication) of blood cells, usually white blood cells (leukocytes). ... An organ transplant is the moving of a whole or partial organ from one body to another (or from a donor site on the patients own body), for the purpose of replacing the recipients damaged or failing organ with a working one from the donor site. ...


References

  1. ^ Walsh TJ, Dixon DM (1996). Spectrum of Mycoses. In: Baron's Medical Microbiology (Baron S et al, eds.), 4th ed., Univ of Texas Medical Branch. (via NCBI Bookshelf) ISBN 0-9631172-1-1. 
  2. ^ Howard DH (2003). Pathogenic Fungi in Humans and Animals, 2nd ed., Marcel Dekker. (via Google Books) ISBN 0-8247-0683-8. 

External links


  Results from FactBites:
 
Fusarium Species (2385 words)
Fusarium is one of the emerging causes of opportunistic mycoses [63, 66, 531, 916, 1426, 1581, 1826, 1921, 2297, 2304].
Efficacy of liposomal amphotericin B (AmBisome) in the eradication of Fusarium infection in a leukaemic patient.
Invasive infection with Fusarium chlamydosporum in a patient with aplastic anemia.
Fusarium - Wikipedia, the free encyclopedia (163 words)
Fusarium is a genus of filamentous fungi widely distributed on plants and in the soil.
Fusarium may produce mycotoxins in cereal crops that can affect human and animal health, when it enters the food chain.
The main toxins produced by Fusarium are fumonisins related to esophageal cancer in humans, and trichothecenes, toxic metabolites which inhibit eukaryotic protein biosynthesis.
  More results at FactBites »

 
 

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