Artículo
Genome sequences reveal global dispersal routes and suggest convergent genetic adaptations in seahorse evolution
Chunyan, Li; Olave, Melisa
; Hou, Yali; Geng, Qi; Schneider, Ralf; Zeixa, Gao; Xiaolong, Tu; Xin, Wang; Furong, Qi; Nater, Alexander; Kautt, Andreas F.; Wan, Shiming; Yanhong, Zhang; Yali, Liu; Huixian, Zhang; Bo, Zhang; Hao, Zhang; Meng, Qu ,; Shuaishuai, Liu; Zeyu, Chen; Zhong, Jia; Zhang, He; Meng, Lingfeng; Wang, Kai; Yin, Jianping; Huang, Liangmin; Venkatesh, Byrappa; Meyer, Axel; Lu, Xuemei; Lin, Qiang
Fecha de publicación:
01/2021
Editorial:
Nature Research
Revista:
Nature Communications
ISSN:
2041-1723
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Seahorses have a circum-global distribution in tropical to temperate coastal waters. Yet, seahorses show many adaptations for a sedentary, cryptic lifestyle: they require specific habitats, such as seagrass, kelp or coral reefs, lack pelvic and caudal fins, and give birth to directly developed offspring without pronounced pelagic larval stage, rendering long-range dispersal by conventional means inefficient. Here we investigate seahorses’ worldwide dispersal and biogeographic patterns based on a de novo genome assembly of Hippocampus erectus as well as 358 re-sequenced genomes from 21 species. Seahorses evolved in the late Oligocene and subsequent circum-global colonization routes are identified and linked to changing dynamics in ocean currents and paleo-temporal seaway openings. Furthermore, the genetic basis of the recurring “bony spines” adaptive phenotype is linked to independent substitutions in a key developmental gene. Analyses thus suggest that rafting via ocean currents compensates for poor dispersal and rapid adaptation facilitates colonizing new habitats.
Palabras clave:
SEAHORSES
,
DIVERSIFICATION
,
BIOGEOGRAPHY
,
CONVERGENCE
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Colecciones
Articulos(IADIZA)
Articulos de INST. ARG DE INVEST. DE LAS ZONAS ARIDAS
Articulos de INST. ARG DE INVEST. DE LAS ZONAS ARIDAS
Citación
Chunyan, Li; Olave, Melisa; Hou, Yali; Geng, Qi; Schneider, Ralf; et al.; Genome sequences reveal global dispersal routes and suggest convergent genetic adaptations in seahorse evolution; Nature Research; Nature Communications; 12; 1; 1-2021; 1-11
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