Disruption of Botryococcus Braunii Colonies by Glycoside Hydrolases

The study investigated the use of glycoside hydrolases to disrupt Botryococcus braunii colonies, which produce hydrocarbons within an extracellular matrix. Enzymes such as endoglucanases, arabinanases, and galactanases were tested, with endocellulases fused with a carbohydrate-binding module proving most effective by targeting crystalline cellulose in cell walls. This method released hydrocarbons without damaging cells, suggesting potential for semi-continuous hydrocarbon recovery. The fusion of BpGH9 with CtCBM3a and YFP enhanced enzyme activity, indicating microcrystalline cellulose presence. The study highlighted the possibility of developing a process for enzymatic hydrocarbon extraction and colony regeneration, though further research was needed to confirm cell regeneration capabilities.