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Environmental temperatures shape thermal physiology as well as diversification and genome-wide substitution rates in lizards

AuthorsGarcia-Porta, Joan; Irisarri, Iker; Kirchner, Martin; Rodríguez, Ariel; Kirchhof, Sebastian; Brown, Jason L.; MacLeod, Amy; Turner, Alexander P.; Ahmadzadeh, Faraham; Albaladejo, Gonzalo; Crnobrnja-Isailovic, Jelka; De la Riva, Ignacio ; Fawzi, Adnane; Galán, Pedro; Göçmen, Bayram; Harris, D.J.; Jiménez-Robles, Octavio; Joger, Ulrich; Jovanovic Glavaš, Olga; Karis, Mert; Koziel, Giannina; Künzel, Sven; Lyra, Mariana; Miles, Donald; Nogales, Manuel ; Oguz, Mehmet A.; Pafilis, Panauiotis; Rancilhac, Lois; Rodríguez, Noemí; Rodríguez Concepción, Benza; Sanchez, Eugenia; Salvi, Daniele; Slimani, Tahar; S'khifa, Abderrahim; Qashqaei, Ali Turk; Žagar, Anamarija; Lemmon, Alan; Moriarty Lemmon, Emily; Carretero, Miguel Angel; Carranza, Salvador ; Philippe, Hervé; Sinervo, Barry; Müller, Jhoannes; Vences, Miguel; Wollenberg Valero, Katherina C.
Genome-wide substitution
Issue Date9-Sep-2019
PublisherNature Publishing Group
CitationNature Communications 10: 4077 (2019)
AbstractClimatic conditions changing over time and space shape the evolution of organisms at multiple levels, including temperate lizards in the family Lacertidae. Here we reconstruct a dated phylogenetic tree of 262 lacertid species based on a supermatrix relying on novel phylogenomic datasets and fossil calibrations. Diversification of lacertids was accompanied by an increasing disparity among occupied bioclimatic niches, especially in the last 10 Ma, during a period of progressive global cooling. Temperate species also underwent a genome-wide slowdown in molecular substitution rates compared to tropical and desert-adapted lacertids. Evaporative water loss and preferred temperature are correlated with bioclimatic parameters, indicating physiological adaptations to climate. Tropical, but also some populations of cool-adapted species experience maximum temperatures close to their preferred temperatures. We hypothesize these species-specific physiological preferences may constitute a handicap to prevail under rapid global warming, and contribute to explaining local lizard extinctions in cool and humid climates.
Publisher version (URL)https://doi.org/10.1038/s41467-019-11943-x
Identifiersdoi: 10.1038/s41467-019-11943-x
e-issn: 2041-1723
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