<p><i>G. max</i> chromosomes, labeled Gm, are indicated by red boxes. The <i>L</i>. <i>japonicus</i>, <i>M</i>. <i>truncatula</i> and <i>C. cajan</i> chromosomes, shown in different colors, are labeled Lj, Mt and Cc, respectively. Numbers along each chromosome box indicate sequence lengths in megabases. The whole chromosomes of these four legumes, harboring Hsf regions, are shown in a circle. Black lines represent the syntenic relationships between Hsf regions.</p
