Aspergillus viridinutans

Aspergillus viridinutans is a species of fungus in the genus Aspergillus. The species was first isolated in Frankston, Victoria, Australia and described in 1954.[1] It is from the Fumigati section of Aspergillus.[2] Several fungi from this section produce heat-resistant ascospores, and the isolates from this section are frequently obtained from locations where natural fires have previously occurred.[3] A. viridinutans has been identified as the cause of chronic aspergillosis.[4] The mycotoxin viriditoxin was first identified in A. viridinutans.[5] A draft genome sequence of the strain derived from the original species description has been generated.[6]

Aspergillus viridinutans
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Eurotiomycetes
Order: Eurotiales
Family: Trichocomaceae
Genus: Aspergillus
Species:
A. viridinutans
Binomial name
Aspergillus viridinutans
Ducker & Thrower (1954)[1]

Growth and morphology

A. viridinutans can be cultivated on different medium sources, including both Czapek yeast extract agar (CYA) plates and Malt Extract Agar Oxoid® (MEAOX) plates. The growth morphology of colonies can be seen in the pictures below.

  • Aspergillus viridinutans growing on CYA plate
  • Aspergillus viridinutans growing on MEAOX plate

References
  1. McLennan, E.I.; Ducker, S.C.; Thrower, L.B. 1954. New soil fungi from Australian heathland: Aspergillus, Penicillium, Spegazzinia. Australian Journal of Botany. 2(3):355-364
  2. Lamoth, F. (2016). "Aspergillus fumigatus-Related Species in Clinical Practice". Frontiers in Microbiology. 7: 683. doi:10.3389/fmicb.2016.00683. PMC 4868848. PMID 27242710.
  3. Samson, R.A.; Hong, S.; Peterson, S.W.; Frisvad, J.C.; Varga, J. (2007). "Polyphasic taxonomy of Aspergillus section Fumigati and its teleomorph Neosartorya". Studies in Mycology. 59: 147–203. doi:10.3114/sim.2007.59.14. PMC 2275200. PMID 18490953.
  4. Vinh, D.C.; Shea, Y.R.; Jones, P.A.; Freeman, A.F.; Zelazny, A.; Holland, S.M. (2009). "Chronic Invasive Aspergillosis caused by Aspergillus viridinutans". Emerging Infectious Diseases. 15 (8): 1292–1294. doi:10.3201/eid1508.090251. PMC 2815978. PMID 19751595.
  5. Lillehoj, E. B.; Ciegler, A. (1972). "A toxic substance from Aspergillus viridi-nutans". Canadian Journal of Microbiology. 18 (2): 193–197. doi:10.1139/m72-030. ISSN 0008-4166. PMID 4622987.
  6. Urquhart, AS; Hu, J; Chooi, YH; Idnurm, A (2019). "The fungal gene cluster for biosynthesis of the antibacterial agent viriditoxin". Fungal Biology and Biotechnology. 6: 2. doi:10.1186/s40694-019-0072-y. ISSN 2054-3085. PMC 6600887. PMID 31304040.


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