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Fusarium oxysporum – Wikipedia

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**Taxonomy and Genetics**:
– Species defined by Snyder and Hansen for over 50 years
– Recent work shows taxon is genetically heterogeneous
– Strains are abundant and widespread in soil microflora
– Considered polytypic morphospecies
– Represent some of the most common soil microbes
– Fot1 family of transposable elements discovered in 1992
– Found in various formae speciales
– Copy numbers in strains can reach up to 100
– Research by Davière et al. and Langin et al. confirmed presence
– Family of transposable elements identified in most strains

**Habitat and Ecology**:
– Found in diverse soils from Sonoran Desert to tundra
– Capable of degrading lignin and complex carbohydrates
– Pervasive as plant endophytes
– Ability to colonize plant roots
– Research on F. oxysporum f.sp. cubense revealed genetic diversity

**Pathogenicity and Host Interactions**:
– Certain pathogenic forms descended from nonpathogenic ancestors
– Ability to grow into xylem can give advantage
– Interaction with plant roots can lead to disease symptoms
– Host response can vary from immediate restriction to tolerance
– Some strains used for producing nanomaterials

**Gold Interactions**:
Fungus can dissolve and precipitate gold
– Potential for detecting underground gold reserves
– Evaluation for manufacturing gold nanoparticles
– Initial observation in Boddington, West Australia
– Utilized for gold-related applications

**Research Studies and Publications**:
– Various scientific publications and studies have contributed to the understanding of Fusarium oxysporum
– Taxonomic identifiers for Fusarium oxysporum include entries in Wikidata, Wikispecies, CoL, EoL, EPPO, EUNIS, Fungorum, GBIF, GRIN, iNaturalist, IRMNG, MycoBank, and NatureServe

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