During the 20th century Xenopus has flourished as an accessible experimental model system for studying vertebrate biology. The second edition of  Xenopus Protocols:Post-Genomic Approaches expands upon the previous edition with novel approaches inspired by Xenopus tropicalis and the sequencing of its genome. Xenopus tropicalis genomics and tractable genetics combined with the unique experimental advantages of Xenopus laevis and their distinctive phylogenetic position make them unique model systems for vertebrate embryonic development in the 21st century. 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 key tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Xenopus Protocols: Post-Genomic Approaches, Second Edition provides a toolkit that will enable every laboratory to maximize the power of this extraordinary experimental system in the post-genomic age.