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. 2022 Jan 3;54(1):73–83. doi: 10.1038/s41588-021-00971-3

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© The Author(s) 2022

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. 1 — a, Schematic presentation of lychee fruit. Scale bar, 5 cm (left), 3 cm (right). b, Contact map of Hi-C links among 15 pseudochromosomes. c, Lychee genomic features. d, Phylogenetic and molecular clock dating analysis of the lychee genome with 13 other species, based on single-copy orthogroup data. The red diamond indicates our fossil calibration point²⁶, and the blue diamond represents S. lycopersicum divergence time²⁷. The light blue bars at the internodes represent 95% confidence intervals for divergence times. e, Synonymous substitution rate (K_s) density distributions of syntenic lychee paralogs and orthologs compared with other eudicot species.

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