This new volume of Methods in Enzymology continues the legacy of this premier serial with quality chapters authored by leaders in the field. This volume covers research methods in riboswitch discovery and validation, synthesis and sample prep methods for large RNAs, riboswitch structure and function methods, folding pathways and dynamics, and ligand interactions and thermodynamics. - Continues the legacy of this premier serial with quality chapters authored by leaders in the field - Covers research methods in riboswitch discovery, structure and function - Contains sections on such topics as riboswitch discovery and validation, synthesis and sample prep methods for large RNAs, riboswitch structure and function methods, folding pathways and dynamics, ligand interactions and thermodynamics