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{'sha1': '7d9b16426cbdcfee8822462a128d24025bd4a1a6', 'content': '<jats:title>Abstract</jats:title>\n <jats:bold>Background:</jats:bold> <jats:italic>Cherleria</jats:italic> (Caryophyllaceae) is a circumboreal genus that also occurs in the high mountains of the northern hemisphere. In this study, we focus on a clade that diversified in the European High Mountains, which was identified using nuclear ribosomal (nrDNA) sequence data in a previous study. With the nrDNA data, all but one species was monophyletic, with little sequence variation within most species. Here, we use genotyping by sequencing (GBS) data to determine whether the nrDNA data showed the full picture of the evolution in the genomes of these species.<jats:bold>Results:</jats:bold> The overall relationships found with the GBS data were congruent with those from the nrDNA study. Most of the species were still monophyletic and many of the same subclades were recovered, including a clade of three narrow endemic species from Greece and a clade of largely calcifuge species. The GBS data provided additional resolution within the two species with the best sampling, <jats:italic>C. langii</jats:italic> and <jats:italic>C. laricifolia</jats:italic>, with structure that was congruent with geography. In addition, the GBS data showed significant hybridization between several species, including species whose ranges did not currently overlap. <jats:bold>Conclusions:</jats:bold> The hybridization led us to hypothesize that lineages came in contact on the Balkan Peninsula after they diverged, even when those lineages are no longer present on the Balkan Peninsula. Hybridization may also have helped lineages expand their niches to colonize new substrates and different areas. Not only do genome-wide data provide increased phylogenetic resolution of difficult nodes, they also give evidence for a more complex evolutionary history than what can be depicted by a simple, branching phylogeny.', 'mimetype': 'application/xml+jats', 'lang': None}
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contribs[] |
{'index': 0, 'creator_id': 'yuvyjksq35exdfdwnah7msisoe', 'creator': None, 'raw_name': 'Abigail Jane Moore', 'given_name': 'Abigail Jane', 'surname': 'Moore', 'role': 'author', 'raw_affiliation': 'University of Oklahoma', 'extra': {'seq': 'first'}}
{'index': 1, 'creator_id': None, 'creator': None, 'raw_name': 'Jennifer A. Messick', 'given_name': 'Jennifer A.', 'surname': 'Messick', 'role': 'author', 'raw_affiliation': 'University of Central Oklahoma', 'extra': None}
{'index': 2, 'creator_id': None, 'creator': None, 'raw_name': 'Joachim W. Kadereit', 'given_name': 'Joachim W.', 'surname': 'Kadereit', 'role': 'author', 'raw_affiliation': 'Johannes Gutenberg Universitat Mainz', 'extra': None}
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ext_ids |
{'doi': '10.21203/rs.3.rs-22788/v2', 'wikidata_qid': None, 'isbn13': None, 'pmid': None, 'pmcid': None, 'core': None, 'arxiv': None, 'jstor': None, 'ark': None, 'mag': None, 'doaj': None, 'dblp': None, 'oai': None, 'hdl': None}
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CC-BY
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Research Square
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[]
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2020-10-30
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post
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2020
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title |
Range and niche expansion through multiple interspecific hybridization - a Genotyping by Sequencing analysis of Cherleria (Caryophyllaceae)
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646equb6xfbd3mdr5hb2pelybu
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