Fig. 2From: Genome-wide comparative analysis of NBS-encoding genes in four Gossypium speciesSynteny of NBS genes between the diploid and allotetraploid cotton. a Collinear gene pairs between G. raimondii and G. barbadense. b Collinear gene pairs of NBS genes between G. raimondii and G. hirsutum. c Collinear gene pairs of NBS genes between G. arboreum and G. hirsutum. d Collinear gene pairs of NBS genes between G. arboreum and G. barbadense Back to article page