Fig. 5From: Consolidated bioprocessing of cellulose to itaconic acid by a co-culture of Trichoderma reesei and Ustilago maydisRepresentative phase contrast microscopic image of SSF and CBP samples acquired after 164Â h of cultivation. Samples were diluted 1/10 in distilled water before microscopy (400X magnification). Small particles are CaCO3Back to article page