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Jaapia

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Genus of fungi

Jaapia
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Jaapiales
Manfr.Binder, K.H.Larss. & Hibbett (2010)
Family: Jaapiaceae
Manfr.Binder, K.H.Larss. & Hibbett (2010)
Genus: Jaapia
Bres.
Type species
Jaapia argillacea
Bres. (1911)
Species

Jaapia argillacea
Jaapia ochroleuca

Jaapia argillacea

Jaapia is a genus in the monotypic family Jaapiaceae and order Jaapiales. The genus was first described by Italian mycologist Giacomo Bresadola in 1911, and contains two widely distributed species, J. argillacea and J. ochroleuca. The order was described in 2010.

The genus name of Jaapia is in honour of Otto Jaap (1864 - 1922), who was a German botanist (Mycology, Lichenology and Bryology).

Jaapia is a genus of resupinate species that were until then classified in the order Boletales. Molecular phylogenetics analysis showed it to be a sister group (one of two clades to the Gloeophyllales, resulting from the splitting of a single lineage) to the rest of the Agaricomycetidae.

Sexual states occur on rotting, water-saturated wood and are filmy, patchy basidiocarps with cylindrical cystidia intermixed with basidia with four long sterigmata and narrowly fusoid basidiospores. No asexual states are reported. Mostly reported from Europe, they are temperate to polar and widespread. ITS DNA barcoding discriminates both species, with several haplotypes documented within each.

The genome of Jaapia argillacea lacks lignin-degrading peroxidases typical of white rot fungi, but has fifteen genes coding for lytic polysaccharide monooxygenases; experiments demonstrate localized erosion of all wood cell wall layers, similar to other white rots.

References

  1. Bresadola G. (1911). "Adnotanda mycologica". Annales Mycologici (in Italian). 9: 425–8.
  2. Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford, UK: CAB International. p. 346. ISBN 978-0-85199-826-8.
  3. Burkhardt, Lotte (2022). Eine Enzyklopädie zu eponymischen Pflanzennamen [Encyclopedia of eponymic plant names] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. Retrieved January 27, 2022.
  4. Binder M, Larsson K-H, Matheny PB, Hibbett DS (2010). "Amylocorticiales ord. nov. and Jaapiales ord. nov.: Early diverging clades of Agaricomycetidae dominated by corticioid forms". Mycologia. 102 (4): 865–80. doi:10.3852/09-288. PMID 20648753.
  5. Telleria, MT; Dueñas, M; Melo, I; Salcedo, I; Martin, MP (2015). "Spelling out Jaapia species". Mycological Progress. `4 (8): 57. Bibcode:2015MycPr..14...57T. doi:10.1007/s11557-015-1081-8.
  6. Riley, R; Salamov, AA; Brown, DW; et al. (2014). "Extensive sampling of basidiomycete genomes demonstrates inadequacy of the white-rot/brown-rot paradigm for wood decay fungi". Proceedings of the National Academy of Sciences. 111 (27): 9923–9928. Bibcode:2014PNAS..111.9923R. doi:10.1073/pnas.1400592111. PMC 4103376. PMID 24958869.
Taxon identifiers
Jaapia
Jaapiaceae
Jaapiales


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