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. 2022 Mar 16;15(3):501–514. doi: 10.1111/eva.13366

FIGURE 7.

FIGURE 7

Frequency and functional analysis of introgression gene PCM1. (a) Multiple haplotypes co‐existed in introgressed block chr17:555709‐5831348. The frequency of haplotype ATACT was higher in large‐sized pigs and DHB but lower in small‐sized pigs. The blue box indicates that genetic introgression into DHB had been detected in these breeds. Two alleles (AG) were observed at site 5719831bp on chromosome 17, marked in red in the legend. The black dot and the blue line indicate the frequency of the A allele in all breeds. (b) The alternative allele T on chr17:5704650 introduces two extra amino acids in the protein sequence of gene PCM1 compared to reference allele A. The frequency of this SNP in each population is represented by a pie chart, in which red refers to allele A and blue refers to alternative T. (c) Interaction network centered by PCM1; only the top 25 STRING interactants are shown in the figure. Genes in red indicate that they are identified as introgressed genes in this study