Phylum:Chytridiomycota >> Class: Chytridiomycetes >>  Order: Spizellomycetales 
 BCRC Number NO BCRC Number!  
 Scientific Name: Spizellomyces acuminatus

Basionym: Phlyctochytrium africanum Gaertner, Arch. f. Mikrobiol., 21:120. 1954.

Spizellomyces acuminatus (D. Barr) D. Barr., Can. J. Bot. 62:1187. 1984.

 Description: In 1/4YpSs slush: Sporangium spherical, 45-95 μm diam.; wall smooth or occasionally minutely warted, with 8-9 discharge papillae. Rhizoidal system arising from trunk-like or taproot-like unbranched or branched axis, 7.5-15 μm diam., with a slightly constricted neck; rhizoids extensive richly branched and with blunt ends. Zoospores globose, about 3 μm diam., or amoeboid, 3-4 m 7 μm, with a lateral or posterior lipid droplet; emerging from exit pores. On 1/4 YpSs agar: Sporangium spherical, 32-83.5 μm diam., or ovoid; rhizoidal system arising from inflated, 7.5-15 μm diam., main axis. Color of colony white.

Taiwan. Yunlin: garden soil, 22 Jul. 1992, NTNU S01a. Isolated on pine pollen from soil.

 Habitat: Soil.

Canada, Taiwan.


Barr, DJS. 1984; Chen, SF. 1996; Chen, SF and Chien, CY. 1998.


S. F. Chen

 Note: Barr (1984) suggest that Spizellomyces acuminatus complex could be divided into four groups. Based on physiological (Chen, 1996) and morphological characteristics, our isolate belongs to group I.