Optimized expression of a thermostable xylanase from thermomyces lanuginosus in pichia pastoris - Albano, Rodolpho M.; Almeida, Marcius S.; Andrade, Carolina M. M. C.; Damaso, Monica C. Triches.; Kurtenbach, Eleonora.; Martins, Orlando B.; Pereira, Nei, Jr.