Pseudogymnoascus pannorum

Ciri dan struktur

Colonies of G. pannorum are yellow-brown in colour, and typically have a granular, powdery texture produced by microscopic, tree-like sporulating structures. The conidia of this fungus are small, wedge-shaped with a flat base. They are smooth or slightly rough-walled, and tend to swell slightly during maturation. Conidia develop at the tips and along the sides of branched, tree-like conidiophores. The angles of conidiophore branches tend to be less than 90°. The conidia are formed in short chains of two to four arthroconidia linked together by empty intervening cells. The conidiophores of G. pannorum have verticils, which resemble branches radiating around a central, perpendicular main branch. The conidiophores and vegetative hyphae of G. pannorum are hyaline. Members of the genus Chrysosporium differ in having larger conidia and acutely branched conidiophores.

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Rujukan: [1]

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Habitat dan peran ekologis

Geomyces pannorum is a temperate soil fungus often associated with cold temperatures. It has been isolated from Arctic permafrost as well as the soils of Antarctica. Geomyces pannorum has also been recovered from glacier bank soils in Kashmir, India, at an elevation of over 3000 metres, where temperatures rarely exceed 10 °C. This species can survive in arctic cryopegs consisting of super-cooled hypersaline liquid water deposits found beneath or within large masses of ice. Geomyces pannorum has also been associated with Antarctic marine macroalgae and deep-sea ecosystems. It is one of the most common fungi isolated in these environments, which suggests that they are involved in decomposition and nutrient-cycling in cold marine ecosystems. Geomyces pannorum is tolerant of up to three times the salinity of seawater. This fungus maintains cell and membrane function at low temperatures by elevating levels of unsaturated fats and compounds with cryoprotectant properties such as trehalose and various polyols. The enzyme systems also retain function at low temperature. Other reported substrates include debris from a coal mine in Canada, frozen leaf litter, meat, cod, gelatin, and flour. The species is also known from indoor environments where it has been found growing on damp walls, floors of gymnasiums, and on paper in archives and libraries.

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Rujukan: [1]

Habitat atau konteks temuan

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Substrat

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Peran atau konteks

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Reproduksi

Colonies of G. pannorum are yellow-brown in colour, and typically have a granular, powdery texture produced by microscopic, tree-like sporulating structures. The conidia of this fungus are small, wedge-shaped with a flat base. They are smooth or slightly rough-walled, and tend to swell slightly during maturation. Conidia develop at the tips and along the sides of branched, tree-like conidiophores. The angles of conidiophore branches tend to be less than 90°. The conidia are formed in short chains of two to four arthroconidia linked together by empty intervening cells. The conidiophores of G. pannorum have verticils, which resemble branches radiating around a central, perpendicular main branch.

Sebagian uraian ditampilkan dalam bahasa sumber; terjemahannya belum tersedia atau belum lolos pemeriksaan.

Rujukan: [1]

Catatan identitas dan cakupan

• Nama diterima mengikuti Catalogue of Life Base2026-09-11; uraian mempertahankan konsep dan nama sumber aslinya.
• Original geographic, specimen and life-cycle scope retained; source import awaits individual editorial review.
• Impor dan terjemahan otomatis belum diperiksa editorial per profil. Struktur reproduktif yang disebutkan tidak membuktikan seluruh siklus hidup diketahui.
• Pengukuran pada uraian mengikuti spesimen, kultur, dan metode sumber; angka tidak diperluas ke semua populasi.

Melihat dengan konteks

Dokumentasi Pseudogymnoascus pannorum menurut asosiasi foto pada record takson iNaturalist. Kredit: Jerry Cooper. Identitas mengikuti sumber; bukan penentuan spesimen independen.

Jenis

Fotografi

Kredit

(c) Jerry Cooper, some rights reserved (CC BY), uploaded by Jerry Cooper

Lisensi

CC BY 4.0

Sumber media

Buka entri sumber

Gambar menunjukkan objek menurut identifikasi sumber, bukan verifikasi independen spesimen oleh Fungi. Tidak ada skala baru yang ditambahkan.

Dokumentasi tambahan

Sumber profil

1. [1] Geomyces pannorum — Wikipedia (en)Bagian sumber: Frozen revision 1316550009
   Tanggal penghimpunan sumber: 2026-10-12
   Teks sumber: CC BY-SA4.0 · Wikipedia contributors
2. [2] Catalogue of Life Base2026-09-11 — Pseudogymnoascus pannorumBagian sumber: ColDP NameUsage.tsv ID 4NXRK; accepted species; source 2073
   Tanggal penghimpunan sumber: 2026-10-12
3. [3] Dokumentasi visual — Pseudogymnoascus pannorumBagian sumber: Identitas mengikuti sumber dokumentasi; bukan penentuan spesimen independen.
   Tanggal penghimpunan sumber: 2026-10-17
   Media sumber: CC BY 4.0 · (c) Jerry Cooper, some rights reserved (CC BY), uploaded by Jerry Cooper
4. [4] Dokumentasi visual — Pseudogymnoascus pannorumBagian sumber: Identitas mengikuti sumber dokumentasi; bukan penentuan spesimen independen.
   Tanggal penghimpunan sumber: 2026-10-17
   Teks sumber: CC BY 4.0 · (c) Jerry Cooper, some rights reserved (CC BY), uploaded by Jerry Cooper