This volume provides readers with a useful and comprehensive resource of laboratory protocols for working with Pichia pastoris. The chapters in this book are organized into seven parts: introduction, bioinformatics, cell and systems biology, gene expression cassettes and vectors, Pichia pastoris expression strains, upstream bioprocessing, and downstream processing and product analysis. This book covers basic and newer laboratory methods, starting from the gene and genetic construct to mature (yet reasonable) amounts of a recombinant product being produced, purified, and characterized. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Cutting-edge and thorough, Pichia pastoris: Methods and Protocols is a valuable resource for both new and experienced researchers who want to learn more about this important and developing field.