Fig. 1From: Genomic identification and expression profiling of WRKY genes in alfalfa (Medicago sativa) elucidate their responsiveness to seed vigorChromosomal distribution and duplication events of MsWRKY proteins. a The tandem duplicated genes are marked by black arc trajectory. b The segmentally duplicated genes are connected by red lines, referring to the 33 genes highlighted in blueBack to article page