Fig. 5From: Genome-wide identification of the geranylgeranyl pyrophosphate synthase (GGPS) gene family involved in chlorophyll synthesis in cottonCollinear analysis of the GGPS gene iin G. arboreum (A). G. raimondii (B), G. barbadense (C) and G. hirsutum (D). Note: Collinear analysis of GGPS genes. The gray lines represent collinear relationships within different genomes, and the red lines represent collinear gene pairs in the GGPS familyBack to article page