Co-expression of a ?-d-xylosidase from Thermotoga maritima and a Family 10 xylanase from A. cellulolyticus significantly improves the xylan degrading activity of the Caldicellulosiruptor bescii exoproteome Authors Sun-Ki Kim, Minseok Cha, Michael E. Himmel, Yannick J. Bomble and Janet Westpheling Journal-Book Applied and Environmental Microbiology Year 2021