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. 2024 Feb 22;15:1635. doi: 10.1038/s41467-024-46080-7

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© The Author(s) 2024

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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — a Phylogenetic tree of seven eudicots, including S. alba and relatives. Blue node bars are 95% confidence intervals. Red nodes indicate two fossil calibration nodes. The star represents the WGT event. The occurrences of the K-Pg boundary and PETM are indicated by the arrows on the timeline. b Ks distribution between paralogous genes within the same species and orthologous genes from pairs of species. c Synteny between the homologous regions of S. alba (red), L. speciosa (pink), and P. granatum (green). It reflects the overall synteny relationship with a 3:1 ratio between S. alba vs. P. granatum, L. speciosa vs. P. granatum, respectively. The representation showcases partial regions of the genomes. d Numbers of homologous gene groups supporting different scenarios on the order of speciation and WGT events in Sonneratia and Lagerstroemia. e Chromosome evolution following WGT from the ALK (the ancestral Lythraceae karyotype). The star represents the WGT event. f Macrosynteny patterns among the three Lythraceae plants. “sal” represents S. alba, “pgr” represents P. granatum, and “lsp” represents L. speciosa.