ArticleProceedings of the National Academy of Sciences of the United States of America2007
Global molecular phylogeography reveals persistent Arctic circumpolar isolation in a marine planktonic protist.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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26 citing papers in PubMed, 153 citations in OpenAlex.
- Macroevolutionary patterns in intragenomic rDNA variability among planktonic foraminifera.PeerJ · 2023Article
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- Thermal niches of planktonic foraminifera are static throughout glacial-interglacial climate change.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Planktonic foraminifera genomic variations reflect paleoceanographic changes in the Arctic: evidence from sedimentary ancient DNA.Scientific reports · 2020Article
- Genetic and morphological divergence in the warm-water planktonic foraminifera genus Globigerinoides.PloS one · 2019Article
- Exploring the impact of multidecadal environmental changes on the population genetic structure of a marine primary producer.Ecology and evolution · 2017Article
- Using environmental niche models to test the 'everything is everywhere' hypothesis for Badhamia.The ISME journal · 2014Article
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- SSU rDNA divergence in planktonic foraminifera: molecular taxonomy and biogeographic implications.PloS one · 2014Article
- Ancient DNA complements microfossil record in deep-sea subsurface sediments.Biology letters · 2013Article
- High evolutionary potential of marine zooplankton.Ecology and evolution · 2013Article
- Article
- A legacy of contrasting spatial genetic structure on either side of the Atlantic-Mediterranean transition zone in a marine protist.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
- Pole-to-pole biogeography of surface and deep marine bacterial communities.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
- Longitudinal differentiation among pelagic populations in a planktic foraminifer.Ecology and evolution · 2012Article
- Ecological partitioning and diversity in tropical planktonic foraminifera.BMC evolutionary biology · 2012Article
- Ultra-deep sequencing of foraminiferal microbarcodes unveils hidden richness of early monothalamous lineages in deep-sea sediments.Proceedings of the National Academy of Sciences of the United States of America · 2011Article
- Worldwide genotyping in the planktonic foraminifer Globoconella inflata: implications for life history and paleoceanography.PloS one · 2011Article
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Authors and funding
3 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The high-latitude planktonic foraminifera have proved to be particularly useful model organisms for the study of global patterns of vicariance and gene flow in the oceans. Such studies demonstrate that gene flow can occur over enormous distances in the pelagic marine environment leading to cosmopolitanism but also that there are ecological and geographical barriers to gene flow producing biogeographic structure. Here, we have undertaken a comprehensive global study of genetic diversity within a marine protist species, the high-latitude planktonic foraminiferan Neogloboquadrina pachyderma. We present extensive new data sets from the North Pacific and Arctic Oceans that, in combination with our earlier data from the North Atlantic and Southern Oceans, allow us to determine the global phylogeography of this species. The new genetic data reveal a pattern of Arctic circumpolar isolation and bipolar asymmetry between the Atlantic and Pacific Oceans. We show that the ancestry of North Pacific N. pachyderma is relatively recent. It lies within the upwelling systems and subpolar waters of the Southern Hemisphere and remarkably not within the neighboring Arctic Ocean. Instead, the Arctic Ocean population forms a genetic continuum with the North Atlantic population, which became isolated from the southern populations much earlier, after the onset of Northern hemisphere glaciation. Data from the planktonic foraminiferal morphospecies Globigerina bulloides is also introduced to highlight the isolation and endemism found within the subpolar North Pacific gyre. These data provide perspective for interpretation and discussion of global gene flow and speciation patterns in the plankton.
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