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. 2022 Oct 17;10(6):e02608-22. doi: 10.1128/spectrum.02608-22

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Copyright © 2022 Xia et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license.

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FIG 6 — Avirulence gene cluster in the P. striiformis f. sp. tritici 3D genome. (A and D) QTL analysis of previously established Puccinia striiformis f. sp. tritici selfing population mapped avirulence gene cluster AvYr44-AvYr7-AvYr43-AvYrExp2 to the telomere region of Chr7 in the CYR34 and 93-210 genomes. The color-dashed horizontal lines are the LOD thresholds for different phenotypes. (B and E) The genome architectures of Chr7 in CYR34 and 93-210, respectively. (Left) Heatmap of Hi-C contacts; the color bar is scaled to the contact density. Note that the canonical “X” shape is the centromere region (the arrow), and no topological associated domains are presented. (Right) Plot of PC1 of Hi-C matrix, gene density (number of genes per 20 kb), and GC content of Chr7. (C and F) The AvYr44-AvYr7-AvYr43-AvYrExp2 cluster in the constructed 3D genome. The red segments are the AvYr44-AvYr7-AvYr43-AvYrExp2 cluster; and the centromeres and telomeres are represented by golden and lemon spheres, respectively.