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Fig. 5 | BMC Biology

Fig. 5

From: Impact of male trait exaggeration on sex-biased gene expression and genome architecture in a water strider

Fig. 5

Genomic distribution of sex-biased genes in M. longipes. a Percentage of male-biased, female-biased and unbiased genes (from top to bottom) in the X chromosome and the autosomes across the three pairs of legs. Biased-distribution of the sex-biased genes on the X chromosome was estimated using Fisher’s exact tests: *p value< 0.05. b Large genomic clusters of sex-biased genes along scaffold #2 and the scaffold #8. Clusters highlighted in blue represent genomic regions enriched in male-biased genes. Clusters highlighted in purple represent genomic regions enriched in female-biased genes. Solid red frame indicates genomic clusters enriched in male- and female-biased genes specifically in the third legs. Dotted red frame indicates genomic clusters enriched in male-biased genes in all three legs but with different degrees of fold-change, recapitulating the degree of leg length exaggeration. c Genomic clusters of consecutive male- (blue) or female-biased (purple) genes in the three pairs of legs. Cluster size indicates the number of consecutive genes. Note that the y axis is log scaled. Error bars contain 95% of randomly generated bootstrap values

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