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Ganoderma orbiforme

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Ganoderma orbiforme
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Polyporales
Family: Ganodermataceae
Genus: Ganoderma
Species:
G. orbiforme
Binomial name
Ganoderma orbiforme
(Fr.) Ryvarden (2000)
Synonyms
  • Polyporus orbiformis Fr. (1838)
  • Fomes orbiformis (Fr.) Cooke (1885)
  • Fomes lucidus f. boninensis Pat. (1888)
  • Fomes lucidus f. noukahivensis Pat. (1888)
  • Ganoderma boninense Pat. (1889)
  • Ganoderma noukahivense Pat. (1889)
  • Scindalma orbiforme (Fr.) Kuntze (1898)
  • Ganoderma lucidum var. orbiformis (Fr.) Rick (1960)

Ganoderma orbiforme is a species of polypore fungus that is widespread across southeast Asia. It is a plant pathogen that causes basal stem rot, a disease of the African oil palm (Elaeis guineensis). The fungus was first described scientifically in 1838 by Elias Magnus Fries from collections made in Guinea.[1] Leif Ryvarden transferred it to the genus Ganoderma in 2000. In addition to its type locality, the fungus has also been collected from the Bonin Islands in the Pacific, and from Venezuela and Puerto Rico.[2] Microsatellite markers have been developed to help identify the fungus and study the genetic diversity of G. orbiforme.[3]

Ganoderma orbiforme has a hemibiotrophic lifestyle in E. guineensis.[4] During an invasion, E. guineensis roots stockpile salicylic acid, which is a signal to downregulate its own expression of ascorbate oxidase and ascorbate peroxidase. AO and AP are reactive oxygen species scavengers, and so the total effect is to increase ROS production. This entire pathway was found by Ho et al 2016. Increased ROS is effective against hemibiotrophs but counterproductive against necrotrophs.[5]

References

  1. ^ Fries, E.M. (1838). Epicrisis Systematis Mycologici (in Latin). Uppsala: Typ. Acad. p. 463.
  2. ^ Ryvarden, Leif (2000). "Studies in neotropical polypores 2: a preliminary key to neotropical species of Ganoderma with a laccate pileus". Mycologia. 92 (1): 180–191. doi:10.2307/3761462. JSTOR 3761462.
  3. ^ Mercière, Maxime; Laybats, Anthony; Carasco-Lacombe, Catherine; Tan, Joon Sheong; Klopp, Christophe; Durand-Gasselin, Tristan; Alwee, Sharifah Shahrul Rabiah Syed; Camus-Kulandaivelu, Létizia; Breton, Fréderic (2015). "Identification and development of new polymorphic microsatellite markers using genome assembly for Ganoderma boninense, causal agent of oil palm basal stem rot disease". Mycological Progress. 14 (11): 103. doi:10.1007/s11557-015-1123-2. Open access icon
  4. ^ Bahari, Mohammad Nazri Abdul; Sakeh, Nurshafika Mohd; Abdullah, Siti Nor Akmar; Ramli, Redzyque Ramza; Kadkhodaei, Saied (2018). "Transciptome profiling at early infection of Elaeis guineensis by Ganoderma boninense provides novel insights on fungal transition from biotrophic to necrotrophic phase". BMC Plant Biology. 18 (1). Springer: 377. doi:10.1186/s12870-018-1594-9. ISSN 1471-2229. PMC 6310985. PMID 30594134.
  5. ^ Singh, Yeshveer; Nair, Athira Mohandas; Verma, Praveen Kumar (2021). "Surviving the odds: From perception to survival of fungal phytopathogens under host-generated oxidative burst". Plant Communications. 2 (3). CAS Center for Excellence in Molecular Plant Sciences + Chinese Society for Plant Biology (Cell Press): 100142. doi:10.1016/j.xplc.2021.100142. ISSN 2590-3462. PMC 8132124. PMID 34027389.


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