Diddensiella luoyangensis

Ciri dan struktur

In YM broth after 3 days at 25 °C, cells are ovoid (2–3 × 3–5 μm) and occur singly or in pairs. Budding is multilateral. Sediment is formed after a month, but a pellicle is not observed. On YM agar after 3 days at 25 °C, colonies are white to cream- coloured, convex, butyrous, and smooth with entire margins. In Dalmau plate culture on corn meal agar, pseudohyphae and true hyphae are formed. Asci or signs of conjugation are not observed on sporulation media. Fermentation of sugars is absent. Glucose, galactose, l-sorbose, glucosamine, d-ribose, d-xylose, l-arabinose, d-arabinose, l-rhamnose, sucrose, maltose, trehalose, methyl α- d-glucoside, cellobiose, salicin, melibiose, lactose, raffinose, melezitose, inulin, glycerol, erythritol, ribitol, d-glucitol, d-mannitol, galactitol, myo -inositol, d-glucono-1, 5-lactone, 2-keto-d-gluconate, 5-keto-d-gluconate, d-gluconate, d-glucuronate, dl-lactate succinate, citrate, and ethanol are assimilated as sole carbon sources. Methanol is not assimilated. l-lysine, creatine, glucosamine, and d-tryptophan are assimilated as sole nitrogen sources, while nitrate, nitrite, ethylamine, cadaverine, creatinine, and imidazole are not assimilated. Minimum growth temperature is 15 °C, and maximum growth temperature is 37 °C. Growth in the presence of 0.1% cycloheximide is present, but growth in the presence of 10% NaCl plus 5% glucose and 1% acetic acid is absent. Starch-like compounds are not produced. Urease activity and diazonium blue B reactions are negative.

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Rujukan: [1]

Pengukuran mengikuti objek, spesimen atau kultur, dan metode yang disebutkan sumber. Baca uraian asli untuk konteks lengkap.

Habitat dan peran ekologis

Two strains were collected from two different substrates, representing D. luoyangensis, clustered in the Diddensiella clade which is sister to species D. transvaalensis. D. luoyangensis differed from D. transvaalensis by 1.6% substitutions in the D1/D2 domain. Furthermore, we were unable to align the ITS sequence of D. luoyangensis with the D. transvaalensis type strain, because the ITS sequence of D. transvaalensis is not currently available from either the NCBI GenBank or CBS databases. Physiologically, D. luoyangensis differs from its closely related species, D. transvaalensis (Lachance et al. 2011), based on growth in l-rhamnose, lactose, inulin, d-gluconate and growth at 37 °C, which are present for D. luoyangensis and absent for the latter species. Moreover, D. transvaalensis ferments glucose and galactose, while this new species does not.

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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

In YM broth after 3 days at 25 °C, cells are ovoid (2–3 × 3–5 μm) and occur singly or in pairs. Budding is multilateral. Sediment is formed after a month, but a pellicle is not observed. On YM agar after 3 days at 25 °C, colonies are white to cream- coloured, convex, butyrous, and smooth with entire margins. In Dalmau plate culture on corn meal agar, pseudohyphae and true hyphae are formed. Asci or signs of conjugation are not observed on sporulation media. Fermentation of sugars is absent. Glucose, galactose, l-sorbose, glucosamine, d-ribose, d-xylose, l-arabinose, d-arabinose, l-rhamnose, sucrose, maltose, trehalose, methyl α- d-glucoside, cellobiose, salicin, melibiose, lactose, raffinose, melezitose, inulin, glycerol, erythritol, ribitol, d-glucitol, d-mannitol, galactitol, myo -inositol, d-glucono-1, 5-lactone, 2-keto-d-gluconate, 5-keto-d-gluconate, d-gluconate, d-glucuronate, dl-lactate succinate, citrate, and ethanol are assimilated as sole carbon sources.

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.
• Preserve original treatment localities, hosts and substrate scope. Materials examined describe documented specimens, not the full global range.
• 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

Morphology of D. luoyangensis (NYNU 201062, holotype) A budding cells were indicated by arrows in YM broth after 3 d B pseudohyphae and true hyphae on CM agar after 14 d. Scale bars: 10 μm.

Jenis

Pelat ilmiah

Kredit

Chun-Yue Chai, Wan-Li Gao, Zhen-Li Yan, Feng-Li Hui

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.

Sumber profil

1. [1] Four new species of Trichomonascaceae (Saccharomycetales, Saccharomycetes) from Central China — Diddensiella luoyangensisBagian sumber: PMC9849089_section_9
   Tanggal penghimpunan sumber: 2026-10-12
   Teks sumber: CC BY 4.0 · Chai CY, Gao WL, Yan ZL, Hui FL.
2. [2] Catalogue of Life Base2026-09-11 — Diddensiella luoyangensisBagian sumber: ColDP NameUsage.tsv ID B2PML; accepted species; source 2073
   Tanggal penghimpunan sumber: 2026-10-12
3. [3] Dokumentasi visual — Diddensiella luoyangensisBagian sumber: Individual media record; identification follows the source, not independent determination
   Tanggal penghimpunan sumber: 2026-10-12
   Media sumber: CC BY 4.0 · Chun-Yue Chai, Wan-Li Gao, Zhen-Li Yan, Feng-Li Hui