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Diversification and reticulation in the circumboreal fern genus Cryptogramma

[Display omitted] ► Cryptogramma is monophyletic based on plastid sequence data. ► Most described Cryptogramma species are taxonomically valid monophyletic lineages. ► European Cr. crispa is an ancient autotetraploid. ► New World tetraploid Cr. sitchensis formed by Cr. acrostichoides and Cr. raddean...

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Published in:Molecular phylogenetics and evolution 2013-06, Vol.67 (3), p.589-599
Main Authors: Metzgar, Jordan S., Alverson, Edward R., Chen, Sinian, Vaganov, Alexey V., Ickert-Bond, Stefanie M.
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container_title Molecular phylogenetics and evolution
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creator Metzgar, Jordan S.
Alverson, Edward R.
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Vaganov, Alexey V.
Ickert-Bond, Stefanie M.
description [Display omitted] ► Cryptogramma is monophyletic based on plastid sequence data. ► Most described Cryptogramma species are taxonomically valid monophyletic lineages. ► European Cr. crispa is an ancient autotetraploid. ► New World tetraploid Cr. sitchensis formed by Cr. acrostichoides and Cr. raddeana. ► Nuclear sequence data in Cr. acrostichoides complex exhibit signs of introgression. We investigated the evolutionary complexity that resulted from cryptic diversification and polyploidy in parsley ferns (Cryptogramma). A total of 14 species were included in our data set, with six outgroup species and eight Cryptogramma species. DNA sequence data from six plastid loci (rbcL, rbcL–accD, rbcL–atpB, rps4–trnS, trnG–trnR and trnP–petG) were analyzed using maximum likelihood and Bayesian methods to provide the first rigorous assessment of diversification in the genus, including testing the monophyly of the genus and sections. Cryptogramma and Coniogramme are recovered as reciprocally monophyletic sister genera. We established the monophyly of both sections within Cryptogramma. Furthermore, our sequence data reveal that described species reflect mostly allopatric reciprocally monophyletic lineages that are independent evolutionary trajectories. Using sequence data from the nuclear locus (gapCp) we find that the European C. crispa is an autotetraploid with a partially diploidized genome, while the North American tetraploid Cryptogramma sitchensis is an allopolyploid derived from C. acrostichoides and C. raddeana. Subsequent backcrossing between C. sitchensis and C. acrostichoides has allowed the introgression of C. raddeana alleles into northern populations of C. acrostichoides.
doi_str_mv 10.1016/j.ympev.2013.02.020
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We investigated the evolutionary complexity that resulted from cryptic diversification and polyploidy in parsley ferns (Cryptogramma). A total of 14 species were included in our data set, with six outgroup species and eight Cryptogramma species. DNA sequence data from six plastid loci (rbcL, rbcL–accD, rbcL–atpB, rps4–trnS, trnG–trnR and trnP–petG) were analyzed using maximum likelihood and Bayesian methods to provide the first rigorous assessment of diversification in the genus, including testing the monophyly of the genus and sections. Cryptogramma and Coniogramme are recovered as reciprocally monophyletic sister genera. We established the monophyly of both sections within Cryptogramma. Furthermore, our sequence data reveal that described species reflect mostly allopatric reciprocally monophyletic lineages that are independent evolutionary trajectories. Using sequence data from the nuclear locus (gapCp) we find that the European C. crispa is an autotetraploid with a partially diploidized genome, while the North American tetraploid Cryptogramma sitchensis is an allopolyploid derived from C. acrostichoides and C. raddeana. Subsequent backcrossing between C. sitchensis and C. acrostichoides has allowed the introgression of C. raddeana alleles into northern populations of C. acrostichoides.</description><identifier>ISSN: 1055-7903</identifier><identifier>EISSN: 1095-9513</identifier><identifier>DOI: 10.1016/j.ympev.2013.02.020</identifier><identifier>PMID: 23454494</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>alleles ; allopolyploidy ; backcrossing ; Chromosomes, Plant ; Coniogramme ; Cryptogramma ; data collection ; DNA ; Evolution, Molecular ; Ferns - classification ; Ferns - genetics ; ferns and fern allies ; gapCp ; Genetic Variation ; Haploidy ; Introgression ; loci ; Molecular Sequence Data ; monophyly ; nucleotide sequences ; parsley ; Phylogeny ; Phylogeography ; Plastids - genetics ; Polyploidy ; Pteridaceae ; Tetraploidy</subject><ispartof>Molecular phylogenetics and evolution, 2013-06, Vol.67 (3), p.589-599</ispartof><rights>2013 Elsevier Inc.</rights><rights>Copyright © 2013 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c449t-f2b2d89125372888f055334930b9ad43361da360d7d9d6efa830079b7fe84e973</citedby><cites>FETCH-LOGICAL-c449t-f2b2d89125372888f055334930b9ad43361da360d7d9d6efa830079b7fe84e973</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23454494$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Metzgar, Jordan S.</creatorcontrib><creatorcontrib>Alverson, Edward R.</creatorcontrib><creatorcontrib>Chen, Sinian</creatorcontrib><creatorcontrib>Vaganov, Alexey V.</creatorcontrib><creatorcontrib>Ickert-Bond, Stefanie M.</creatorcontrib><title>Diversification and reticulation in the circumboreal fern genus Cryptogramma</title><title>Molecular phylogenetics and evolution</title><addtitle>Mol Phylogenet Evol</addtitle><description>[Display omitted] ► Cryptogramma is monophyletic based on plastid sequence data. ► Most described Cryptogramma species are taxonomically valid monophyletic lineages. ► European Cr. crispa is an ancient autotetraploid. ► New World tetraploid Cr. sitchensis formed by Cr. acrostichoides and Cr. raddeana. ► Nuclear sequence data in Cr. acrostichoides complex exhibit signs of introgression. We investigated the evolutionary complexity that resulted from cryptic diversification and polyploidy in parsley ferns (Cryptogramma). A total of 14 species were included in our data set, with six outgroup species and eight Cryptogramma species. DNA sequence data from six plastid loci (rbcL, rbcL–accD, rbcL–atpB, rps4–trnS, trnG–trnR and trnP–petG) were analyzed using maximum likelihood and Bayesian methods to provide the first rigorous assessment of diversification in the genus, including testing the monophyly of the genus and sections. Cryptogramma and Coniogramme are recovered as reciprocally monophyletic sister genera. We established the monophyly of both sections within Cryptogramma. Furthermore, our sequence data reveal that described species reflect mostly allopatric reciprocally monophyletic lineages that are independent evolutionary trajectories. Using sequence data from the nuclear locus (gapCp) we find that the European C. crispa is an autotetraploid with a partially diploidized genome, while the North American tetraploid Cryptogramma sitchensis is an allopolyploid derived from C. acrostichoides and C. raddeana. Subsequent backcrossing between C. sitchensis and C. acrostichoides has allowed the introgression of C. raddeana alleles into northern populations of C. acrostichoides.</description><subject>alleles</subject><subject>allopolyploidy</subject><subject>backcrossing</subject><subject>Chromosomes, Plant</subject><subject>Coniogramme</subject><subject>Cryptogramma</subject><subject>data collection</subject><subject>DNA</subject><subject>Evolution, Molecular</subject><subject>Ferns - classification</subject><subject>Ferns - genetics</subject><subject>ferns and fern allies</subject><subject>gapCp</subject><subject>Genetic Variation</subject><subject>Haploidy</subject><subject>Introgression</subject><subject>loci</subject><subject>Molecular Sequence Data</subject><subject>monophyly</subject><subject>nucleotide sequences</subject><subject>parsley</subject><subject>Phylogeny</subject><subject>Phylogeography</subject><subject>Plastids - genetics</subject><subject>Polyploidy</subject><subject>Pteridaceae</subject><subject>Tetraploidy</subject><issn>1055-7903</issn><issn>1095-9513</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kEtr3DAQgEVJaZJtf0Gh9bEXb0eSZVmHHMK2ecBCD23OQpZGWy1-bCV7Yf99tXWaY2BgBvHNQx8hHymsKdD663596g94XDOgfA0sB7whVxSUKJWg_OJcC1FKBfySXKe0B6BUKPGOXDJeiapS1RXZfgtHjCn4YM0UxqEwgysiTsHO3fIQhmL6jYUN0c59O0Y0XeExDsUOhzkVm3g6TOMumr4378lbb7qEH57zijzdff-1eSi3P-4fN7fb0ualU-lZy1yjKBNcsqZpfD6T80pxaJVxFec1dYbX4KRTrkZvGg4gVSs9NhUqyVfkyzL3EMc_M6ZJ9yFZ7Doz4DgnTTmTkkku64zyBbVxTCmi14cYehNPmoI-a9R7_U-jPmvUwHJA7vr0vGBue3QvPf-9ZeDzAngzarOLIemnn3mCAICKQ_7LitwsBGYRx4BRJxtwsOhCRDtpN4ZXT_gLC5CNoA</recordid><startdate>20130601</startdate><enddate>20130601</enddate><creator>Metzgar, Jordan S.</creator><creator>Alverson, Edward R.</creator><creator>Chen, Sinian</creator><creator>Vaganov, Alexey V.</creator><creator>Ickert-Bond, Stefanie M.</creator><general>Elsevier Inc</general><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20130601</creationdate><title>Diversification and reticulation in the circumboreal fern genus Cryptogramma</title><author>Metzgar, Jordan S. ; 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We investigated the evolutionary complexity that resulted from cryptic diversification and polyploidy in parsley ferns (Cryptogramma). A total of 14 species were included in our data set, with six outgroup species and eight Cryptogramma species. DNA sequence data from six plastid loci (rbcL, rbcL–accD, rbcL–atpB, rps4–trnS, trnG–trnR and trnP–petG) were analyzed using maximum likelihood and Bayesian methods to provide the first rigorous assessment of diversification in the genus, including testing the monophyly of the genus and sections. Cryptogramma and Coniogramme are recovered as reciprocally monophyletic sister genera. We established the monophyly of both sections within Cryptogramma. Furthermore, our sequence data reveal that described species reflect mostly allopatric reciprocally monophyletic lineages that are independent evolutionary trajectories. Using sequence data from the nuclear locus (gapCp) we find that the European C. crispa is an autotetraploid with a partially diploidized genome, while the North American tetraploid Cryptogramma sitchensis is an allopolyploid derived from C. acrostichoides and C. raddeana. Subsequent backcrossing between C. sitchensis and C. acrostichoides has allowed the introgression of C. raddeana alleles into northern populations of C. acrostichoides.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>23454494</pmid><doi>10.1016/j.ympev.2013.02.020</doi><tpages>11</tpages></addata></record>
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source ScienceDirect Journals
subjects alleles
allopolyploidy
backcrossing
Chromosomes, Plant
Coniogramme
Cryptogramma
data collection
DNA
Evolution, Molecular
Ferns - classification
Ferns - genetics
ferns and fern allies
gapCp
Genetic Variation
Haploidy
Introgression
loci
Molecular Sequence Data
monophyly
nucleotide sequences
parsley
Phylogeny
Phylogeography
Plastids - genetics
Polyploidy
Pteridaceae
Tetraploidy
title Diversification and reticulation in the circumboreal fern genus Cryptogramma
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