1. Inside front cover (Editorial Board)  Page CO2 Regular papers 2. Comparison of different fungal enzymes for bleaching high-quality paper pulps  Pages 333-343 Cécile Sigoillot, Susana Camarero, Teresa Vidal, Eric Record, Michèle Asther, Marta Pérez-Boada, María Jesús Martínez, Jean-Claude Sigoillot, Marcel Asther, José F. Colom and Ángel T. Martínez 3. The transformation and toxicity of anthraquinone dyes during thermophilic (55 °C) and mesophilic (30 °C) anaerobic treatments  Pages 345-353 André B. dos Santos, Iemke A.E. Bisschops, Francisco J. Cervantes and Jules B. van Lier 4. Comparison of mesophilic and thermophilic feruloyl esterases: Characterization of their substrate specificity for methyl phenylalkanoates  Pages 355-366 Evangelos Topakas, Paul Christakopoulos and Craig B. Faulds 5. Polycyclic aromatic hydrocarbon biodegradation in extracellular fluids and static batch cultures of selected sub-tropical white rot fungi  Pages 367-377 M. Tekere, J.S. Read and B. Mattiasson 6. Selection of new over-producing derivatives for the improvement of extracellular lipase production by the non-conventional yeast Yarrowia lipolytica  Pages 379-386 Patrick Fickers, Franck Fudalej, Jean-Marc Nicaud, Jacqueline Destain and Phillipe Thonart Journal of Biotechnology Volume 115, Issue 4, Pages 333-446 (23 February 2005)