From the Cover

• Welcome to The Plant Genome
• Status and Prospects of Association Mapping in Plants
• Transcripts Associated with Non-Acclimated Freezing Response in Two Barley Cultivars
• Empirical Analysis of Selection Screens for Domestication and Improvement Loci in Maize by Extended DNA Sequencing
• Identification of Four Soybean Reference Genes for Gene Expression Normalization
• Genomic Analysis of the Snn1 Locus on Wheat Chromosome Arm 1BS and the Identification of Candidate Genes