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Fig. 4 | Genome Biology

Fig. 4

From: Genomic insights into the origin, domestication and genetic basis of agronomic traits of castor bean

Fig. 4

Selective sweep and GWAS analyses on plant architecture in castor bean. a, b Selective sweep regions identified by a the greatest reduction of diversity (ROD) and b the greatest relative divergence (FST) between wild (W) and domesticated (D) populations. Dashed lines indicate the top 5% of the ROD or FST values, and red vertical bars indicate known genes involving in the regulation of plant architecture and seed size mentioned in the text. c Local Manhattan plots obtained from GWAS for the number of nodes (NN, MLMM model) and diameter of the main stem (DMS, FarmCPU model). Dashed lines indicated the threshold for GWAS (−logP = 7.67). Red lines show two GWAS signals that overlap with selective sweeps in a and b. Candidate genes closest to the GWAS signals are displayed. d Heatmap of LD surrounding the GWAS signals in c. Black triangles indicate the positions of the LD block and the color key indicates r2 values between SNPs in the regions. e Manhattan plot obtained from GWAS of plant height (PH, MLMM model). Dashed lines indicate the threshold for GWAS (−logP = 7.67). A candidate gene closest to the GWAS signal is displayed

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