Caldicellulosiruptor saccharolyticus has attracted considerable attention by virtue of its ability to degrade various polysaccharide, oligosaccharide and monosaccharide substrates at temperatures above 70 °C, while its ability to convert various sugars to hydrogen has led to C. saccharolyticus being selected for the fermentative production of hydrogen. In this study, the utilization of a pure cellulosic substrate and mixed biomasses of plant origin was investigated. Cellulase biosynthesis can be triggered by growing cells on various monomeric carbohydrates, e.g. glucose or fructose. Pretreatment with cellulase-producing Bacilli improves the hydrogen yield, indicating that C. saccharolyticus alone can only partially decompose cellulosic substrates. The hydrogen-producing activity of C. saccharolyticus can be exploited in biogas technologies. With appropriate induction of the polymer-degrading enzymes, C. saccharolyticus may become a prime candidate with which to improve the yield and efficacy of practical hydrogen- and biogas-producing processes.
- Caldicellulosiruptor saccharolyticus
- energy plants
ASJC Scopus subject areas
- Environmental Chemistry
- Water Science and Technology
- Waste Management and Disposal