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. 2024 Feb 15;15:1421. doi: 10.1038/s41467-024-45500-y

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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 — For each vertebrate (sub)class (colored as in Fig. 1), the number of olfactory and taste receptor genes is shown as boxplots (first quartile −1.5 interquartile range; first quartile; mean; third quartile; third quartile +1.5 interquartile range; dots represent outliers) for the BUSCO80 dataset. For each chemoreceptor gene family, the names of the three species with the highest number of genes, and their silhouettes, are shown. a OR genes; b TAAR genes; c V1R genes; d V2R genes; e T1R genes; f T2R genes. The species with the highest number of complete olfactory receptor genes is Tachyglossus aculeatus (2514) closely followed by Elephas maximus indicus (2383) and Loxodonta africana (2329), while the species with the highest number of complete taste receptor genes is Glandirana rugosa (268). Note that the high number of complete OR genes found in Tachyglossus aculeatus could potentially represent an artifact, as we also retrieved an unusually high number (nearly 9000) of incomplete genes in this species (Supplementary Data 1). Samples sizes for each vertebrate (sub)class can be retrieved from Supplementary Table 1 (“Nb of species >80% BUSCO”). Source data are provided as a Source Data file.