The role of deep hybridization in fern speciation: Examples from the Thelypteridaceae
Premise Hybridization is recognized as an important mechanism in fern speciation, with many allopolyploids known among congeners, as well as evidence of ancient genome duplications. Several contemporary instances of deep (intergeneric) hybridization have been noted, invariably resulting in sterile p...
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description | Premise
Hybridization is recognized as an important mechanism in fern speciation, with many allopolyploids known among congeners, as well as evidence of ancient genome duplications. Several contemporary instances of deep (intergeneric) hybridization have been noted, invariably resulting in sterile progeny. We chose the christelloid lineage of the family Thelypteridaceae, recognized for its high frequency of both intra‐ and intergeneric hybrids, to investigate recent hybrid speciation between deeply diverged lineages. We also seek to understand the ecological and evolutionary outcomes of resulting lineages across the landscape.
Methods
By phasing captured reads within a phylogenomic data set of GoFlag 408 nuclear loci using HybPhaser, we investigated candidate hybrids to identify parental lineages. We estimated divergence ages by inferring a dated phylogeny using fossil calibrations with treePL. We investigated ecological niche conservatism between one confirmed intergeneric allotetraploid and its diploid progenitors using the centroid, overlap, unfilling, and expansion (COUE) framework.
Results
We provide evidence for at least six instances of intergeneric hybrid speciation within the christelloid clade and estimate up to 45 million years of divergence between progenitors. The niche quantification analysis showed moderate niche overlap between an allopolyploid species and its progenitors, with significant divergence from the niche of one progenitor and conservatism to the other.
Conclusions
The examples provided here highlight the overlooked role that allopolyploidization following intergeneric hybridization may play in fern diversification and range and niche expansions. Applying this approach to other fern taxa may reveal a similar pattern of deep hybridization resulting in highly successful novel lineages. |
doi_str_mv | 10.1002/ajb2.16388 |
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Hybridization is recognized as an important mechanism in fern speciation, with many allopolyploids known among congeners, as well as evidence of ancient genome duplications. Several contemporary instances of deep (intergeneric) hybridization have been noted, invariably resulting in sterile progeny. We chose the christelloid lineage of the family Thelypteridaceae, recognized for its high frequency of both intra‐ and intergeneric hybrids, to investigate recent hybrid speciation between deeply diverged lineages. We also seek to understand the ecological and evolutionary outcomes of resulting lineages across the landscape.
Methods
By phasing captured reads within a phylogenomic data set of GoFlag 408 nuclear loci using HybPhaser, we investigated candidate hybrids to identify parental lineages. We estimated divergence ages by inferring a dated phylogeny using fossil calibrations with treePL. We investigated ecological niche conservatism between one confirmed intergeneric allotetraploid and its diploid progenitors using the centroid, overlap, unfilling, and expansion (COUE) framework.
Results
We provide evidence for at least six instances of intergeneric hybrid speciation within the christelloid clade and estimate up to 45 million years of divergence between progenitors. The niche quantification analysis showed moderate niche overlap between an allopolyploid species and its progenitors, with significant divergence from the niche of one progenitor and conservatism to the other.
Conclusions
The examples provided here highlight the overlooked role that allopolyploidization following intergeneric hybridization may play in fern diversification and range and niche expansions. Applying this approach to other fern taxa may reveal a similar pattern of deep hybridization resulting in highly successful novel lineages.</description><identifier>ISSN: 0002-9122</identifier><identifier>ISSN: 1537-2197</identifier><identifier>EISSN: 1537-2197</identifier><identifier>DOI: 10.1002/ajb2.16388</identifier><identifier>PMID: 39135339</identifier><language>eng</language><publisher>United States: Botanical Society of America, Inc</publisher><subject>allopolyploidy ; allotetraploidy ; botany ; Centroids ; Christella ; Congeners ; data collection ; Diploids ; diploidy ; Divergence ; Ecological niches ; family ; Ferns ; Ferns - classification ; Ferns - genetics ; ferns and fern allies ; fossils ; Genetic Speciation ; genome ; hybrid speciation ; Hybridization ; Hybridization, Genetic ; Hybrids ; intergeneric hybrid ; Intergeneric hybridization ; landscapes ; niche conservatism ; Niche overlap ; Niches ; Pattern analysis ; Phylogeny ; Polyploidy ; progeny ; reticulate evolution ; Speciation ; species ; Thelypteridaceae</subject><ispartof>American journal of botany, 2024-08, Vol.111 (8), p.e16388-n/a</ispartof><rights>2024 The Author(s). published by Wiley Periodicals LLC on behalf of Botanical Society of America.</rights><rights>2024 The Author(s). American Journal of Botany published by Wiley Periodicals LLC on behalf of Botanical Society of America.</rights><rights>Copyright Botanical Society of America, Inc. Aug 2024</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c3858-3aa246ee2ad1018b392345ab74f3c0ea27933831fe86f3cefa0fc29835044a623</cites><orcidid>0000-0001-5021-1779 ; 0000-0002-8166-5690 ; 0000-0002-1258-7932 ; 0000-0002-3388-3757</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fajb2.16388$$EPDF$$P50$$Gwiley$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fajb2.16388$$EHTML$$P50$$Gwiley$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39135339$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tseng, Yu‐Hsin</creatorcontrib><creatorcontrib>Kuo, Li‐Yaung</creatorcontrib><creatorcontrib>Borokini, Israel</creatorcontrib><creatorcontrib>Fawcett, Susan</creatorcontrib><title>The role of deep hybridization in fern speciation: Examples from the Thelypteridaceae</title><title>American journal of botany</title><addtitle>Am J Bot</addtitle><description>Premise
Hybridization is recognized as an important mechanism in fern speciation, with many allopolyploids known among congeners, as well as evidence of ancient genome duplications. Several contemporary instances of deep (intergeneric) hybridization have been noted, invariably resulting in sterile progeny. We chose the christelloid lineage of the family Thelypteridaceae, recognized for its high frequency of both intra‐ and intergeneric hybrids, to investigate recent hybrid speciation between deeply diverged lineages. We also seek to understand the ecological and evolutionary outcomes of resulting lineages across the landscape.
Methods
By phasing captured reads within a phylogenomic data set of GoFlag 408 nuclear loci using HybPhaser, we investigated candidate hybrids to identify parental lineages. We estimated divergence ages by inferring a dated phylogeny using fossil calibrations with treePL. We investigated ecological niche conservatism between one confirmed intergeneric allotetraploid and its diploid progenitors using the centroid, overlap, unfilling, and expansion (COUE) framework.
Results
We provide evidence for at least six instances of intergeneric hybrid speciation within the christelloid clade and estimate up to 45 million years of divergence between progenitors. The niche quantification analysis showed moderate niche overlap between an allopolyploid species and its progenitors, with significant divergence from the niche of one progenitor and conservatism to the other.
Conclusions
The examples provided here highlight the overlooked role that allopolyploidization following intergeneric hybridization may play in fern diversification and range and niche expansions. Applying this approach to other fern taxa may reveal a similar pattern of deep hybridization resulting in highly successful novel lineages.</description><subject>allopolyploidy</subject><subject>allotetraploidy</subject><subject>botany</subject><subject>Centroids</subject><subject>Christella</subject><subject>Congeners</subject><subject>data collection</subject><subject>Diploids</subject><subject>diploidy</subject><subject>Divergence</subject><subject>Ecological niches</subject><subject>family</subject><subject>Ferns</subject><subject>Ferns - classification</subject><subject>Ferns - genetics</subject><subject>ferns and fern allies</subject><subject>fossils</subject><subject>Genetic Speciation</subject><subject>genome</subject><subject>hybrid speciation</subject><subject>Hybridization</subject><subject>Hybridization, Genetic</subject><subject>Hybrids</subject><subject>intergeneric hybrid</subject><subject>Intergeneric hybridization</subject><subject>landscapes</subject><subject>niche conservatism</subject><subject>Niche overlap</subject><subject>Niches</subject><subject>Pattern analysis</subject><subject>Phylogeny</subject><subject>Polyploidy</subject><subject>progeny</subject><subject>reticulate evolution</subject><subject>Speciation</subject><subject>species</subject><subject>Thelypteridaceae</subject><issn>0002-9122</issn><issn>1537-2197</issn><issn>1537-2197</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>EIF</sourceid><recordid>eNqFkU1LAzEQhoMotlYv_gAJeBFhNcnsV7zVUr8oeGnPS3Z3Qrfsl0kXrb_ebFs9eNBTmJknT8i8hJxzdsMZE7dqlYobHkIcH5AhDyDyBJfRIRkyN_UkF2JATqxduVL6UhyTAUgOAYAcksV8idQ0JdJG0xyxpctNaoq8-FTroqlpUVONpqa2xazYtu7o9ENVbYmWatNUdO0ETlJu2jW6iypDhafkSKvS4tn-HJHFw3Q-efJmr4_Pk_HMyyAOYg-UEn6IKFTOGY9TkAL8QKWRryFjqEQkAWLgGuPQdVArpjMhYwiY76tQwIhc7bytad46tOukKmyGZalqbDqbQL8NAUEY_o8y93gYCu479PIXumo6U7uPOGG_w8hn3FHXOyozjbUGddKaolJmk3CW9LkkfS7JNhcHX-yVXVph_oN-B-EAvgPeixI3f6iS8cu92Em_AIsJlWM</recordid><startdate>202408</startdate><enddate>202408</enddate><creator>Tseng, Yu‐Hsin</creator><creator>Kuo, Li‐Yaung</creator><creator>Borokini, Israel</creator><creator>Fawcett, Susan</creator><general>Botanical Society of America, Inc</general><scope>24P</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>7QL</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope><orcidid>https://orcid.org/0000-0001-5021-1779</orcidid><orcidid>https://orcid.org/0000-0002-8166-5690</orcidid><orcidid>https://orcid.org/0000-0002-1258-7932</orcidid><orcidid>https://orcid.org/0000-0002-3388-3757</orcidid></search><sort><creationdate>202408</creationdate><title>The role of deep hybridization in fern speciation: Examples from the Thelypteridaceae</title><author>Tseng, Yu‐Hsin ; Kuo, Li‐Yaung ; Borokini, Israel ; Fawcett, Susan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3858-3aa246ee2ad1018b392345ab74f3c0ea27933831fe86f3cefa0fc29835044a623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>allopolyploidy</topic><topic>allotetraploidy</topic><topic>botany</topic><topic>Centroids</topic><topic>Christella</topic><topic>Congeners</topic><topic>data collection</topic><topic>Diploids</topic><topic>diploidy</topic><topic>Divergence</topic><topic>Ecological niches</topic><topic>family</topic><topic>Ferns</topic><topic>Ferns - classification</topic><topic>Ferns - genetics</topic><topic>ferns and fern allies</topic><topic>fossils</topic><topic>Genetic Speciation</topic><topic>genome</topic><topic>hybrid speciation</topic><topic>Hybridization</topic><topic>Hybridization, Genetic</topic><topic>Hybrids</topic><topic>intergeneric hybrid</topic><topic>Intergeneric hybridization</topic><topic>landscapes</topic><topic>niche conservatism</topic><topic>Niche overlap</topic><topic>Niches</topic><topic>Pattern analysis</topic><topic>Phylogeny</topic><topic>Polyploidy</topic><topic>progeny</topic><topic>reticulate evolution</topic><topic>Speciation</topic><topic>species</topic><topic>Thelypteridaceae</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tseng, Yu‐Hsin</creatorcontrib><creatorcontrib>Kuo, Li‐Yaung</creatorcontrib><creatorcontrib>Borokini, Israel</creatorcontrib><creatorcontrib>Fawcett, Susan</creatorcontrib><collection>Wiley Online Library Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>American journal of botany</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tseng, Yu‐Hsin</au><au>Kuo, Li‐Yaung</au><au>Borokini, Israel</au><au>Fawcett, Susan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The role of deep hybridization in fern speciation: Examples from the Thelypteridaceae</atitle><jtitle>American journal of botany</jtitle><addtitle>Am J Bot</addtitle><date>2024-08</date><risdate>2024</risdate><volume>111</volume><issue>8</issue><spage>e16388</spage><epage>n/a</epage><pages>e16388-n/a</pages><issn>0002-9122</issn><issn>1537-2197</issn><eissn>1537-2197</eissn><abstract>Premise
Hybridization is recognized as an important mechanism in fern speciation, with many allopolyploids known among congeners, as well as evidence of ancient genome duplications. Several contemporary instances of deep (intergeneric) hybridization have been noted, invariably resulting in sterile progeny. We chose the christelloid lineage of the family Thelypteridaceae, recognized for its high frequency of both intra‐ and intergeneric hybrids, to investigate recent hybrid speciation between deeply diverged lineages. We also seek to understand the ecological and evolutionary outcomes of resulting lineages across the landscape.
Methods
By phasing captured reads within a phylogenomic data set of GoFlag 408 nuclear loci using HybPhaser, we investigated candidate hybrids to identify parental lineages. We estimated divergence ages by inferring a dated phylogeny using fossil calibrations with treePL. We investigated ecological niche conservatism between one confirmed intergeneric allotetraploid and its diploid progenitors using the centroid, overlap, unfilling, and expansion (COUE) framework.
Results
We provide evidence for at least six instances of intergeneric hybrid speciation within the christelloid clade and estimate up to 45 million years of divergence between progenitors. The niche quantification analysis showed moderate niche overlap between an allopolyploid species and its progenitors, with significant divergence from the niche of one progenitor and conservatism to the other.
Conclusions
The examples provided here highlight the overlooked role that allopolyploidization following intergeneric hybridization may play in fern diversification and range and niche expansions. Applying this approach to other fern taxa may reveal a similar pattern of deep hybridization resulting in highly successful novel lineages.</abstract><cop>United States</cop><pub>Botanical Society of America, Inc</pub><pmid>39135339</pmid><doi>10.1002/ajb2.16388</doi><tpages>20</tpages><orcidid>https://orcid.org/0000-0001-5021-1779</orcidid><orcidid>https://orcid.org/0000-0002-8166-5690</orcidid><orcidid>https://orcid.org/0000-0002-1258-7932</orcidid><orcidid>https://orcid.org/0000-0002-3388-3757</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | allopolyploidy allotetraploidy botany Centroids Christella Congeners data collection Diploids diploidy Divergence Ecological niches family Ferns Ferns - classification Ferns - genetics ferns and fern allies fossils Genetic Speciation genome hybrid speciation Hybridization Hybridization, Genetic Hybrids intergeneric hybrid Intergeneric hybridization landscapes niche conservatism Niche overlap Niches Pattern analysis Phylogeny Polyploidy progeny reticulate evolution Speciation species Thelypteridaceae |
title | The role of deep hybridization in fern speciation: Examples from the Thelypteridaceae |
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