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. 2023 Mar 2;15(3):evad031. doi: 10.1093/gbe/evad031

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© The Author(s) 2023. Published by Oxford University Press on behalf of Society for Molecular Biology and Evolution.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (https://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Fig. 4. — (A)–(D) Pairwise intraspecific comparisons of symbiont orthologs showing rates of synonymous (dS) and nonsynonymous (dN) substitutions between host species. Points represent individual orthologous genes from each symbiont comparison. The dashed line represents the point at which dN = dS, or ω = 1. Genes below the line are considered to be under purifying selection (dS > dN), and genes above the line are considered to be under positive selection (dN > dS). (E) and (F) Pairwise interspecific comparisons of symbiont orthologs.