Fig. 3

Comparison of the gene structure, conserved protein motifs and domains in RR genes on the G. hirsutum. A The NJ phylogenetic tree was constructed based on the full-length sequences of G. hirsutum RR proteins using MEGA 7.0 software. Details of subfamilies are shown in different colors. B Exon–intron structure of G. hirsutum RR genes. Blue boxes indicate exons; black lines indicate introns. C The motif composition of G. hirsutum. The motifs, numbers 1–10, are displayed in different colored boxes. D Schematic representation of the conserved domains in G. hirsutum RR proteins. The Rec domains, Myb and CCT domains are highlighted by red boxes, green boxes and watermelon red boxes, respectively. The length of DNA genomic or protein can be estimated using the scale at the bottom