Phaeotremella translucens
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Tremellomycetes
Order: Tremellales
Family: Phaeotremellaceae
Genus: Phaeotremella
Species:
P. translucens
Binomial name
Phaeotremella translucens
(H.D. Gordon) M. Yamada, Endoh & Degawa (2022)
Synonyms
  • Tremella translucens H.D. Gordon (1938)
  • Pseudostypella translucens (H.D. Gordon) D.A. Reid & Minter (1979)
  • Sirotrema translucens (H.D. Gordon) Bandoni (1986)

Phaeotremella translucens is a species of fungus in the family Phaeotremellaceae. It produces small, pustular, gelatinous basidiocarps (fruit bodies) and is parasitic on ascocarps of Lophodermium species on decaying pine needles. It was originally described from Scotland.

Taxonomy

Tremella translucens was first published in 1938 by mycologist Hugh Douglas Gordon based on collections from Scotland on decaying pine needles.[1] British mycologist David Minter recollected specimens in Scotland in the 1970s and established that Tremella translucens was associated with ascocarps of Lophodermium species, transferring the species to the genus Pseudostypella based on morphological characters.[2] American mycologist Robert Joseph Bandoni later transferred the species to his new genus Sirotrema.[3] Molecular research, based on cladistic analysis of DNA sequences, has however shown that Tremella translucens belongs in the genus Phaeotremella.[4]

Description

Fruit bodies are gelatinous, hyaline (colourless) to greyish, up to 2 mm across, pustular, emerging from ascocarps of their host. Microscopically, the hyphae are clamped and occur in a gelatinous matrix. Haustorial cells arise on the hyphae, producing filaments that attach to and penetrate the hyphae of the host. The basidia are tremelloid (globose to ellipsoid, with oblique to vertical septa), 10 to 13 by 9 to 10 μm, usually unstalked. The basidiospores are oblong, smooth, 7 to 11 by 3 to 5.5 μm, and germinate by hyphal tube or by yeast cells.[2][4]

Habitat and distribution

Phaeotremella translucens is a parasite of Lophodermium species growing on decaying pine needles, typically those still attached to brash or branches.[2]

The species was originally described from the United Kingdom, but has also been recorded in Europe from Austria, Bosnia, Ireland, Norway, Poland, Russia, and Spain.[5] Elsewhere it has been recorded from Canada,[3][5] New Zealand,[5] and Japan.[4]

References

  1. ↑ Gordon HD (1938). "Tremella translucens, a new species on dead pine needles". Trans Br Mycol Soc. 22: 107–112. doi:10.1016/S0007-1536(38)80009-7.
  2. 1 2 3 Reid DA, Minter DW (1979). "Pseudostypella translucens (Gordon) Reid and Minter comb.nov., a hyperparasite on Lophodermium conigenum". Trans Br Mycol Soc. 72: 345–347. doi:10.1016/S0007-1536(79)80059-5.
  3. 1 2 Bandoni RJ. (1985). "Sirotrema: a new genus in the Tremellaceae". Canadian Journal of Botany. 64 (3): 668–676. doi:10.1139/b86-085.
  4. 1 2 3 Yamada M, Endoh R, Masumoto H, Yoshihashi Y, Ohkuma M, Degawa Y (2022). "Taxonomic study of polymorphic basidiomycetous fungi Sirobasidium and Sirotrema: Sirobasidium apiculatum sp. nov., Phaeotremella translucens comb. nov. and rediscovery of Sirobasidium japonicum in Japan". Antonie van Leeuwenhoek. 115: 1421–1436. doi:10.1007/s10482-022-01787-9.
  5. 1 2 3 Minter DW (2019). "Sirotrema translucens". CABI: Descriptions of Fungi and Bacteria. 218. doi:10.1079/DFB/20183388375.
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