Genome-informed integrative taxonomic description of three cryptic species in the earthworm genus Carpetania (Oligochaeta, Hormogastridae)
Research on cryptic species complexes has reached a consensus on the necessity of integrating multiple sources of evidence. Reduced representation library techniques such as Genotyping-by-Sequencing (GBS) have proven useful to study these groups. Both integrative taxonomy and genome-wide single nucleotide polymorphism (SNP) data remain to be widely applied to earthworms, an animal group with widespread presence of cryptic diversity. The genus Carpetania (formerly the Hormogaster elisae species complex) was found to contain six deeply divergent genetic lineages and some inconspicuous morphological differentiation based on a handful of Sanger-sequenced markers. Marchán et al. (submitted) delimited three well-supported species-level clades on the basis of a genome-wide SNP dataset and geometric morphometric analyses, highlighting the necessity of a formal taxonomic description of these taxa. In this work, further analyses are applied to the SNP data and a thorough morphological study is performed in order to provide an integrative description of two new species and to redescribe Carpetania elisae. Species-specific SNPs are identified and used as diagnostic characters, and genome-wide and cytochrome oxidase C subunit 1 (COI) genetic distances are compared finding a strong correlation between them. The taxonomic description of these three cryptic species provides a useful tool to include them effectively in ecological studies and biodiversity conservation actions.
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Format: | artículo biblioteca |
Language: | English |
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Taylor & Francis
2020-04-14
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Subjects: | Cryptic species, Earthworms, Genotyping By Sequencing, Integrative taxonomy, Soil fauna, |
Online Access: | http://hdl.handle.net/10261/222793 http://dx.doi.org/10.13039/100010784 http://dx.doi.org/10.13039/501100002911 http://dx.doi.org/10.13039/501100010801 |
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dig-ibe-es-10261-2227932020-11-17T04:02:17Z Genome-informed integrative taxonomic description of three cryptic species in the earthworm genus Carpetania (Oligochaeta, Hormogastridae) Fernández Marchán, Daniel Fernández, Rosa Domíngez, Jorge Diaz Cosin, Darío J. Novo, Marta Universidad Complutense de Madrid Banco Santander Xunta de Galicia Cryptic species Earthworms Genotyping By Sequencing Integrative taxonomy Soil fauna Research on cryptic species complexes has reached a consensus on the necessity of integrating multiple sources of evidence. Reduced representation library techniques such as Genotyping-by-Sequencing (GBS) have proven useful to study these groups. Both integrative taxonomy and genome-wide single nucleotide polymorphism (SNP) data remain to be widely applied to earthworms, an animal group with widespread presence of cryptic diversity. The genus Carpetania (formerly the Hormogaster elisae species complex) was found to contain six deeply divergent genetic lineages and some inconspicuous morphological differentiation based on a handful of Sanger-sequenced markers. Marchán et al. (submitted) delimited three well-supported species-level clades on the basis of a genome-wide SNP dataset and geometric morphometric analyses, highlighting the necessity of a formal taxonomic description of these taxa. In this work, further analyses are applied to the SNP data and a thorough morphological study is performed in order to provide an integrative description of two new species and to redescribe Carpetania elisae. Species-specific SNPs are identified and used as diagnostic characters, and genome-wide and cytochrome oxidase C subunit 1 (COI) genetic distances are compared finding a strong correlation between them. The taxonomic description of these three cryptic species provides a useful tool to include them effectively in ecological studies and biodiversity conservation actions. This work was supported by Universidad Complutense de Madrid and Santander Group under grant Proyecto de Investigación Santander/Complutense PR41/17-21027; Systematics Research Fund (SRF) and Xunta de Galicia. Consellería de Cultura, Educación e Ordenación Universitaria. Secretaria Xeral de Universidades under grant ED431B 2019/038. Peer reviewed 2020-11-12T12:57:31Z 2020-11-12T12:57:31Z 2020-04-14 artículo http://purl.org/coar/resource_type/c_6501 Systematics and Biodiversity 18(3): 203-215 (2020) 1477-2000 http://hdl.handle.net/10261/222793 10.1080/14772000.2020.1730474 1478-0933 http://dx.doi.org/10.13039/100010784 http://dx.doi.org/10.13039/501100002911 http://dx.doi.org/10.13039/501100010801 en https://doi.org/10.1080/14772000.2020.1730474 Sí none Taylor & Francis |
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Cryptic species Earthworms Genotyping By Sequencing Integrative taxonomy Soil fauna Cryptic species Earthworms Genotyping By Sequencing Integrative taxonomy Soil fauna |
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Cryptic species Earthworms Genotyping By Sequencing Integrative taxonomy Soil fauna Cryptic species Earthworms Genotyping By Sequencing Integrative taxonomy Soil fauna Fernández Marchán, Daniel Fernández, Rosa Domíngez, Jorge Diaz Cosin, Darío J. Novo, Marta Genome-informed integrative taxonomic description of three cryptic species in the earthworm genus Carpetania (Oligochaeta, Hormogastridae) |
description |
Research on cryptic species complexes has reached a consensus on the necessity of integrating multiple sources of evidence. Reduced representation library techniques such as Genotyping-by-Sequencing (GBS) have proven useful to study these groups. Both integrative taxonomy and genome-wide single nucleotide polymorphism (SNP) data remain to be widely applied to earthworms, an animal group with widespread presence of cryptic diversity. The genus Carpetania (formerly the Hormogaster elisae species complex) was found to contain six deeply divergent genetic lineages and some inconspicuous morphological differentiation based on a handful of Sanger-sequenced markers. Marchán et al. (submitted) delimited three well-supported species-level clades on the basis of a genome-wide SNP dataset and geometric morphometric analyses, highlighting the necessity of a formal taxonomic description of these taxa. In this work, further analyses are applied to the SNP data and a thorough morphological study is performed in order to provide an integrative description of two new species and to redescribe Carpetania elisae. Species-specific SNPs are identified and used as diagnostic characters, and genome-wide and cytochrome oxidase C subunit 1 (COI) genetic distances are compared finding a strong correlation between them. The taxonomic description of these three cryptic species provides a useful tool to include them effectively in ecological studies and biodiversity conservation actions. |
author2 |
Universidad Complutense de Madrid |
author_facet |
Universidad Complutense de Madrid Fernández Marchán, Daniel Fernández, Rosa Domíngez, Jorge Diaz Cosin, Darío J. Novo, Marta |
format |
artículo |
topic_facet |
Cryptic species Earthworms Genotyping By Sequencing Integrative taxonomy Soil fauna |
author |
Fernández Marchán, Daniel Fernández, Rosa Domíngez, Jorge Diaz Cosin, Darío J. Novo, Marta |
author_sort |
Fernández Marchán, Daniel |
title |
Genome-informed integrative taxonomic description of three cryptic species in the earthworm genus Carpetania (Oligochaeta, Hormogastridae) |
title_short |
Genome-informed integrative taxonomic description of three cryptic species in the earthworm genus Carpetania (Oligochaeta, Hormogastridae) |
title_full |
Genome-informed integrative taxonomic description of three cryptic species in the earthworm genus Carpetania (Oligochaeta, Hormogastridae) |
title_fullStr |
Genome-informed integrative taxonomic description of three cryptic species in the earthworm genus Carpetania (Oligochaeta, Hormogastridae) |
title_full_unstemmed |
Genome-informed integrative taxonomic description of three cryptic species in the earthworm genus Carpetania (Oligochaeta, Hormogastridae) |
title_sort |
genome-informed integrative taxonomic description of three cryptic species in the earthworm genus carpetania (oligochaeta, hormogastridae) |
publisher |
Taylor & Francis |
publishDate |
2020-04-14 |
url |
http://hdl.handle.net/10261/222793 http://dx.doi.org/10.13039/100010784 http://dx.doi.org/10.13039/501100002911 http://dx.doi.org/10.13039/501100010801 |
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