20.500.12556/DiRROS-24808 Slippery slopes montane isolation and elevational shifts shape the evolution and diversity of Iberolacerta lizards Understanding the processes driving the diversity of mountain herpetofauna requires a comprehensive examination of species diversification across evolutionary scales. Here, we investigate the phylogeography of Iberolacerta, a genus of eight lizard species mainly restricted to high elevations in southwestern Europe. Using genomic data, we reconstructed a nuclear phylogeny that aligns with mitochondrial evidence in supporting the divergence of all currently recognized species. Notably, we detect historical nuclear gene flow between I. cyreni and I. martinezricai in Central Spain, suggesting past range overlap, reminiscent of previously observed mitochondrial introgression between I. galani and I. monticola, and the lack of divergence between disjoint populations of I. monticola. Bioclimatic projections accordingly depict broader historical ranges during the last glacial maximum compared to interglacial and current conditions. At the intraspecific level, genomic analyses of four high-elevation species reveal that genetic structure is mainly shaped by isolation-by-distance and, in I. cyreni, by separation among mountain ranges, while heterozygosity generally decreases with elevation. These findings are consistent with the impact of glacial-interglacial cycles on the genetic diversity of montane taxa: populations experience genetic isolation and altitudinal bottlenecks during interglacial periods, but are reconnected and admix in lowland areas during glacial periods. These processes are expected to leave contrasting signatures between the mitochondrial and nuclear genomes, as well as between slow- and fast-evolving molecular markers. From a conservation perspective, our results highlight that the genetically richest – and potentially most adaptive – populations occur at the lowland edges of the species’ ranges, where they are also most vulnerable to climate change. biogeography climate change Lacertidae RAD-seq Europe biogeografija podnebne spremembe kuščarice Evropa true false true Angleški jezik Slovenski jezik Neznano 2025-12-19 12:16:35 2025-12-19 12:16:36 2025-12-20 04:07:17 0000-00-00 00:00:00 2026 0 0 Soavtorji: Sven Gippner, Sylvia Hofmann, Spartak Litvinchuk, Anamarija Žagar, Daniel Jablonski, Gilles Pottier, Rodrigo Megía-Palma, Gregorio Sánchez-Montes, Octavio Jiménez Robles, Enrique Ayllón, Pierre-André Crochet, ĺñigo Martínez-Solano; Nasl. z nasl. zaslona; Opis vira z dne 3. 12. 2025; [art. no.] ǂ108502 Vol. 216 Mar. 2026 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 2026-03-01 575.8 1095-9513 10.1016/j.ympev.2025.108502 259828227 https://doi.org/10.1016/j.ympev.2025.108502 1 330e6854-dccc-11f0-94a7-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=37104 RAZ_Dufresnes_Christophe_2026.pdf RAZ_Dufresnes_Christophe_2026.pdf 1 7131567D5C3191689C51CB49DD0FA9A9 daaa974987ba5c688eb44eb4afb8a5025356f4b2ae2ed6433b061487ea61322f 4668858e-dccc-11f0-94a7-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=37105 1-s2.0-S1055790325002192-mmc1.docx 1-s2.0-S1055790325002192-mmc1.docx 1 39CE1A488A5FD0B726454C2B0AE53843 13ddefdadff1fd4aeb8c535e424a3f367f4474fcc35dd5f6fc1ba39b28259ad4 949877ad-dccc-11f0-94a7-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=37106 1-s2.0-S1055790325002192-mmc2.xlsx 1-s2.0-S1055790325002192-mmc2.xlsx 1 7B12FC01C0BC90B3C185A2CF1FCC6A18 2bf5954a5e57049a105670e822b7773e2f14f3a0e452796c76195fc6f5187f44 9e49dede-dccc-11f0-94a7-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=37107 Nacionalni inštitut za biologijo 0 0 0