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. 2021 Nov 12;12:6564. doi: 10.1038/s41467-021-26883-8

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — a Left panels: boxplots of the number of interstitial and terminal LOHs in intraspecies hybrids. We detected no significant difference in the number of interstitial or terminal events comparing the ScWE/ScNA (n = 24) and the ScMA/ScNA (n = 125) data sets (two-sided Wilcoxon rank-sum test, p value = 0.5 and p value = 0.1, respectively). Right panels: boxplots of the number of interstitial and terminal LOHs in interspecies hybrids. Colour code as in Fig. 2a. b Genome-wide LOH patterns for two RTG-evolved intraspecies hybrids (left) and two evolved interspecies hybrids (right). All plots are based on the ScNA reference genome. c Distribution of the distances between consecutive markers, genome-wide (grey) and in LOH breakpoint windows (purple), across three different hybrids. LOH breakpoint windows comprise the five heterozygous markers and the five homozygous markers closer to the breakpoint. d Association between meiotic recombination and LOH breakpoints regions within two segments of chromosome II. LOH breakpoint regions are defined e.g. as the genomic interval between the first homozygous marker of a LOH region and the closest flanking marker which does not belong to the same LOH region. The colour intensity of Spo11p hotspots is proportional to the corresponding signal intensity. The heatmap of the LOHs (i.e., two copies of ScNA alleles) resulting from the breakpoints is also reported. The boxplot is defined as follows: the box is delimited by the first quartile (Q1) and the third quartile (Q3). The line that separates the box is the median. Whiskers are defined as: upper whisker = min(max(x), Q3 + 1.5 × IQR); lower whisker = max(min(x), Q1–1.5 × IQR), where: x is the data, Q1 is the first quartile, Q3 is the third quartile and IQR is the interquartile range (IQR = Q3−Q1).