Climate oscillations, glacial refugia, and dispersal ability: factors influencing the genetic structure of the least salmonfly, Pteronarcella badia (Plecoptera), in Western North America Public Deposited

http://ir.library.oregonstate.edu/concern/articles/jw827d489

This is the publisher’s final pdf. The published article is copyrighted by the author(s) and published by BioMed Central. The published article can be found at:  http://bmcevolbiol.biomedcentral.com/

The data set supporting the results of this article are available in GenBank (KU180827-KU182359 and KU182360) and the Dryad repository (doi:10.​5061/​dryad.​c1sd4) [62].

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  • Background: Phylogeographic studies of aquatic insects provide valuable insights into mechanisms that shape the genetic structure of communities, yet studies that include broad geographic areas are uncommon for this group. We conducted a broad scale phylogeographic analysis of the least salmonfly Pteronarcella badia (Plecoptera) across western North America. We tested hypotheses related to mode of dispersal and the influence of historic climate oscillations on population genetic structure. In order to generate a larger mitochondrial data set, we used 454 sequencing to reconstruct the complete mitochondrial genome in the early stages of the project. Results: Our analysis revealed high levels of population structure with several deeply divergent clades present across the sample area. Evidence from five mitochondrial genes and one nuclear locus identified a potentially cryptic lineage in the Pacific Northwest. Gene flow estimates and geographic clade distributions suggest that overland flight during the winged adult stage is an important dispersal mechanism for this taxon. We found evidence of multiple glacial refugia across the species distribution and signs of secondary contact within and among major clades. Conclusions: This study provides a basis for future studies of aquatic insect phylogeography at the inter-basin scale in western North America. Our findings add to an understanding of the role of historical climate isolations in shaping assemblages of aquatic insects in this region. We identified several geographic areas that may have historical importance for other aquatic organisms with similar distributions and dispersal strategies as P. badia. This work adds to the ever-growing list of studies that highlight the potential of next-generation DNA sequencing in a phylogenetic context to improve molecular data sets from understudied groups.
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  • Sproul, J. S., Houston, D. D., Nelson, C. R., Evans, R. P., Crandall, K. A., & Shiozawa, D. K. (2015). Climate oscillations, glacial refugia, and dispersal ability: factors influencing the genetic structure of the least salmonfly, Pteronarcella badia (Plecoptera), in Western North America. BMC Evolutionary Biology, 15, 279. doi:10.1186/s12862-015-0553-4
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  • description.provenance : Submitted by Patricia Black (patricia.black@oregonstate.edu) on 2016-01-08T19:43:08Z No. of bitstreams: 3 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) SproulJohnIntegrativeBiologyClimateOscillationsGlacial.pdf: 2547279 bytes, checksum: 541f579f719f7d1a14c33ba8266f2af6 (MD5) SproulJohnIntegrativeBiologyClimateOscillationsGlacial(Table S1).pdf: 33790 bytes, checksum: fdee84e74449244214d08edd01d29e88 (MD5)
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2016-01-08T19:43:23Z (GMT) No. of bitstreams: 3 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) SproulJohnIntegrativeBiologyClimateOscillationsGlacial.pdf: 2547279 bytes, checksum: 541f579f719f7d1a14c33ba8266f2af6 (MD5) SproulJohnIntegrativeBiologyClimateOscillationsGlacial(Table S1).pdf: 33790 bytes, checksum: fdee84e74449244214d08edd01d29e88 (MD5)
  • description.provenance : Made available in DSpace on 2016-01-08T19:43:23Z (GMT). No. of bitstreams: 3 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) SproulJohnIntegrativeBiologyClimateOscillationsGlacial.pdf: 2547279 bytes, checksum: 541f579f719f7d1a14c33ba8266f2af6 (MD5) SproulJohnIntegrativeBiologyClimateOscillationsGlacial(Table S1).pdf: 33790 bytes, checksum: fdee84e74449244214d08edd01d29e88 (MD5) Previous issue date: 2015-12-12

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