4.3 Identification of the thermotolerant yeast strain S1
4.3.1 Morphological and physiological characteristics
Figure 4.3 shows the features of the appearance of cultures when cells grown in
YPD broth and on YPD agar. After 3 days of incubation at 40 °C, heavy, dry climbing
pellicles were formed on the surface of YPD medium. The growth was butyrous and
light cream color on YPD agar.