Parallel evolution in an island archipelago revealed by genomic sequencing of Hipposideros leaf-nosed bats.

Autor:	Lavery TH; School of BioSciences, The University of Melbourne, Melbourne, VIC, Australia.; Biodiversity Institute and Department of Ecology and Evolutionary Biology, The University of Kansas, Lawrence, KS, United States., DeRaad DA; Biodiversity Institute and Department of Ecology and Evolutionary Biology, The University of Kansas, Lawrence, KS, United States., Holland PS; Ecological Solutions Solomon Islands, Gizo, Western Province, Solomon Islands., Olson KV; Biodiversity Institute and Department of Ecology and Evolutionary Biology, The University of Kansas, Lawrence, KS, United States.; Department of Earth and Environmental Sciences, Rutgers University, Newark, NJ, United States., DeCicco LH; Biodiversity Institute and Department of Ecology and Evolutionary Biology, The University of Kansas, Lawrence, KS, United States., Seddon JM; Research Division, James Cook University, Townsville, QLD, Australia., Leung LK; Rodent Testing Centre, Gatton, QLD, Australia., Moyle RG; Biodiversity Institute and Department of Ecology and Evolutionary Biology, The University of Kansas, Lawrence, KS, United States.
Jazyk:	angličtina
Zdroj:	Evolution; international journal of organic evolution [Evolution] 2024 May 29; Vol. 78 (6), pp. 1183-1192.
DOI:	10.1093/evolut/qpae039
Abstrakt:	Body size is a key morphological attribute, often used to delimit species boundaries among closely related taxa. But body size can evolve in parallel, reaching similar final states despite independent evolutionary and geographic origins, leading to faulty assumptions of evolutionary history. Here, we document parallel evolution in body size in the widely distributed leaf-nosed bat genus Hipposideros, which has misled both taxonomic and evolutionary inference. We sequenced reduced representation genomic loci and measured external morphological characters from three closely related species from the Solomon Islands archipelago, delimited by body size. Species tree reconstruction confirms the paraphyly of two morphologically designated species. The nonsister relationship between large-bodied H. dinops lineages found on different islands indicates that large-bodied ecomorphs have evolved independently at least twice in the history of this radiation. A lack of evidence for gene flow between sympatric, closely related taxa suggests the rapid evolution of strong reproductive isolating barriers between morphologically distinct populations. Our results position Solomon Islands Hipposideros as a novel vertebrate system for studying the repeatability of parallel evolution under natural conditions. We conclude by offering testable hypotheses for how geography and ecology could be mediating the repeated evolution of large-bodied Hipposideros lineages in the Solomon Islands. (© The Author(s) 2024. Published by Oxford University Press on behalf of The Society for the Study of Evolution (SSE).)
Databáze:	MEDLINE
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