Late Cenozoic history and the role of Beringia in assembling a Holarctic cestode species complex.

Autor: Galbreath KE; Northern Michigan University, 1401, Presque Isle Ave, Marquette, MI 49855, United States. Electronic address: kgalbrea@nmu.edu., Makarikov AA; Institute of Systematics and Ecology of Animals, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia., Bell KC; Natural History Museum of Los Angeles County, 900 Exposition Blvd., Los Angeles, CA 90007, United States., Greiman SE; Department of Biology, Georgia Southern University, Statesboro, GA 30458, United States., Allen JM; Biology Department, University of Nevada, Reno, Reno, NV 89557, United States., Haas GMS; Northern Michigan University, 1401, Presque Isle Ave, Marquette, MI 49855, United States., Li C; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai 201306, People's Republic of China., Cook JA; Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, United States., Hoberg EP; Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, United States.
Jazyk: angličtina
Zdroj: Molecular phylogenetics and evolution [Mol Phylogenet Evol] 2023 Jun; Vol. 183, pp. 107775. Date of Electronic Publication: 2023 Mar 25.
DOI: 10.1016/j.ympev.2023.107775
Abstrakt: The dynamic climate history that drove sea level fluctuation during past glacial periods mediated the movement of organisms between Asia and North America via the Bering Land Bridge. Investigations of the biogeographic histories of small mammals and their parasites demonstrate facets of a complex history of episodic geographic colonization and refugial isolation that structured diversity across the Holarctic. We use a large multi-locus nuclear DNA sequence dataset to robustly resolve relationships within the cestode genus Arostrilepis (Cyclophyllidea: Hymenolepididae), a widespread parasite of predominantly arvicoline rodents (voles, lemmings). Using this phylogeny, we confirm that several Asian Arostrilepis lineages colonized North America during up to four distinct glacial periods in association with different rodent hosts, consistent with taxon-pulse dynamics. A previously inferred westward dispersal across the land bridge is rejected. We also refine interpretations of past host colonization, providing evidence for several distinct episodes of expanding host range, which probably contributed to diversification by Arostrilepis. Finally, Arostrilepis is shown to be paraphyletic with respect to Hymenandrya thomomyis, a parasite of pocket gophers, confirming that ancient Arostrilepis species colonized new host lineages upon arriving in North America.
Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2023 Elsevier Inc. All rights reserved.)
Databáze: MEDLINE
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