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

Climatic 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 c...

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Bibliographic Details
Published in:	Nature communications 2019-09, Vol.10 (1), p.4077-12, Article 4077
Main Authors:	Garcia-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 James, Jiménez-Robles, Octavio, Joger, Ulrich, Jovanović Glavaš, Olga, Karış, Mert, Koziel, Giannina, Künzel, Sven, Lyra, Mariana, Miles, Donald, Nogales, Manuel, Oğuz, Mehmet Anıl, Pafilis, Panayiotis, Rancilhac, Loïs, 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, Johannes, Vences, Miguel, Wollenberg Valero, Katharina C
Format:	Article
Language:	eng
Subjects:	Adaptation Animals Bioclimatology Biodiversity Biometeorology Body Temperature Regulation - physiology Climate Climate change Climatic conditions Cooling rate Environment Evolution, Molecular Genetic Variation Genome Genomes Global cooling Global warming Humid climates Life Sciences Lizards Lizards - genetics Lizards - physiology Niches Phylogeny Physiology Populations and Evolution Species Substitutes Temperature Temperature preferences Water loss
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Summary:	Climatic 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.
ISSN:	2041-1723 2041-1723