Phylum:Ascomycota >> Class: Saccharomycetes >>  Order: Saccharomycetales 
 BCRC Number NO BCRC Number!  
 Scientific Name: Kazachstania exigua

Kazachstania exigua (Reess ex Hansen) Kurtzman 1870.

 Description: Growth in glucose-yeast extract-peptone broth: After 3 days at 25°C, no pellicles formed along the edges of the tube above the surface of the medium and the butyrous sediment could be found. Cells reproduced by mulltilateral budding and cells were subglobose or ellipsoidal (4.6 – 6.9 × 3.4 - 5.7 μm). The cells occurred singly or in pairs. Growth on glucose-yeast extract-peptone agar: After 3 days at 25 °C, the colonies were cream, smooth, glistening, with a butyrous texture, entire margin, and flat elevation. Dalmau plate culture on corn meal agar: After 7 days at 25 °C, pseudomycelium and mycelium are absent. Formation of ascospores: one or two or in rare cases four globose or ellipsoidal ascospores per ascus were found on Fowell’s acetate agar (Yarrow, 1998) after 7 days at 18 °C, and the asci of the strain were persistent Sporulation was observed on Fowell acetate agar after 7 days at 18℃, the asci were persistent. Each asci contained one or two or in rare cases four globose or ellipsoidal ascospores.

SA14S01, Dajia, Taichung, Taiwan, Apr. 2006.

 Habitat: Soil, grape must, strawberry, sewage slick, fermenting cucumber brine, sour dough, buttermilk.

Taiwan, South Africa, Japan, Czechoslovakia, Scotland, Netherland, Italy, USA.


Liu, Y.R. et al. 2008. Taiwania. 53 : 293-300.


C. F. Lee

 Note: This species is placed in biological safety level 1.