... previous study, two regions in the soybean genome com-prising approximately 0.5 Mb each surrounding the soybeancyst nematode resistance loci, rhg1 and Rhg4, were used to identify syntenic regions ... were referred to as synteny blocks 1a, 1b, and 2[32]. The syntenic regions in barrel medic also totaled about1 Mb, though they were scattered into smaller contigs. Forexample, synteny block 1b ... MasklessArray Synthesis technology [8-10,34]. The barrel medic andsoybean arrays were hybridized in parallel with target cDNAprepared from six organ types of each plant, namely, root,nodule,...