This detailed book collects standard techniques and cutting-edge methods that are frequently used by the research community studying the fungus Trichoderma reesei. Beginning with overviews of its evolution, its use in the production of industrially-relevant enzymes, and synthetic biology applications, the volume continues with methods covering topics from transformation techniques and gene editing to downstream-analytical applications and -omics analyses and the corresponding bioinformatics approaches. Written for the highly successful Methods in Molecular Biology series, 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.