Erythrobasidiales » Erythrobasidiaceae » Bannoa

Bannoa hahajimensis

Bannoa hahajimensis Hamam., Thanh & Nakase 2002, in Hamamoto, et al., International journal of systematic and evolutionary microbiology 52, 1023-1032 (2002)

Etymology: Bannoa hahajimensis (´sis. N.L. adj. hahajimensis referring to Haha-jima, one of the Japanese Ogasawara Islands in the Pacific Ocean, where the type strain was isolated).

Diagnosis: After growth in YM broth (Difco) for 3 days at 25 °C, cells are spherical to ovoid (5·0-7·0 ×8·0-12·0 µm), single or in pairs. A sediment and a hydrophobic pellicle are formed after 1 month. After growth on YM agar (Difco) at 25 °C for 3 days, the streak culture is orange. After 1 month, the streak culture is red-orange, smooth, shining, butyrous and soft and has an entire margin. No pseudomycelium develops on Dalmau plate cultures on corn meal agar after 10 days at 25 °C. Ballistoconidia are formed on corn meal agar and YM agar. They are ovoidal and ellipsoidal, 3·0-6·0×7·0-14·0 µm. True mycelium with clamp connections at septa is produced after cell conjugation (A1×A2, A2×A3 and A3×A1). Teliospores are not formed. Unicellular basidia arise laterally on a clamp, sometimes terminally. Germination of basidia occurs by the formation of hyphae. Does not ferment D-glucose. Assimilates D-glucose, galactose, L-sorbose, sucrose, maltose, cellobiose, trehalose, melibiose, raffinose, melezitose, soluble starch, D-xylose, L-arabinose, D-arabinose (variable), D-ribose (variable), L-rhamnose, ethanol (variable), glycerol, ribitol (variable), galactitol (variable), D-mannitol, D-glucitol, methyl α-D-glucoside (variable), salicin, glucono-????-lactone (variable), 2-ketogluconic acid, 5-ketogluconic acid, DL-lactic acid (variable), succinic acid, citric acid and d-glucuronic acid. Does not assimilate lactose, inulin, erythritol, inositol or d-galacturonic acid. Assimilates L-lysine. Does not assimilate nitrate, nitrite, ethylamine or cadaverine. Maximum growth temperature is 28±29 °C. Growth does not occur in vitamin-free medium. р-Aminobenzoic acid (variable) and thiamin are required for growth. Growth does not occur on 50% (w/w) glucose/yeast extract agar. No starch-like substrate is produced. Xylose is absent from whole-cell hydrolysates Urease and Diazonium blue B reactions are positive.

Index Fungorum NumberIF483943



Figure 1. Photomicrographs of vegetative cells on YM agar (ad) and ballistoconidia on corn meal agar (eh). (a, e) Bannoa hahajimensis OK-248T (JCM 10336T). (b, f) Sporobolomyces bischofiae OK-257T (JCM 10338T). (c, g) Sporobolomyces ogasawarensis OK-14T (JCM 10326T). (d, h) Sporobolomyces syzygii OK-227T (JCM 10337T). Bars, 10 µm



Hamamoto, M., & Thanh, V. N., & Nakase, T. (2002). Bannoa hahajimensis gen. nov., sp. nov., and three related anamorphs, Sporobolomyces bischofiae sp. nov., Sporobolomyces ogasawarensis sp. nov. and sporobolomyces syzygii sp. nov., yeasts isolated from plants in Japan. International journal of systematic and evolutionary microbiology 52, 1023-1032.


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Supported by 

Thailand Science Research and Innovation (TSRI)

project entitled:

"Macrofungi diversity research from the Lancang-Mekong Watershed and surrounding areas"

(Grant No. DBG6280009)


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