The chloroplast genome of the hexaploid Spartina maritima (Poaceae, Chloridoideae): Comparative analyses and molecular dating
The history of many plant lineages is complicated by reticulate evolution with cases of hybridization often followed by genome duplication (allopolyploidy). In such a context, the inference of phylogenetic relationships and biogeographic scenarios based on molecular data is easier using haploid markers like chloroplast genome sequences. Hybridization and polyploidization occurred recurrently in the genus Spartina (Poaceae, Chloridoideae), as illustrated by the recent formation of the invasive allododecaploid S. anglica during the 19th century in Europe. Until now, only a few plastid markers were available to explore the history of this genus and their low variability limited the resolution of species relationships. We sequenced the complete chloroplast genome (plastome) of S. maritima, the native European parent of S. anglica, and compared it to the plastomes of other Poaceae. Our analysis revealed the presence of fast-evolving regions of potential taxonomic, phylogeographic and phylogenetic utility at various levels within the Poaceae family. Using secondary calibrations, we show that the tetraploid and hexaploid lineages of Spartina diverged 6–10 my ago, and that the two parents of the invasive allopolyploid S. anglica separated 2–4 my ago via long distance dispersal of the ancestor of S. maritima over the Atlantic Ocean. Finally, we discuss the meaning of divergence times between chloroplast genomes in the context of reticulate evolution.
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Format: | article biblioteca |
Language: | eng |
Subjects: | F30 - Génétique et amélioration des plantes, Spartina, génome, chloroplaste, polyploïdie, phylogénie, biogéographie, biologie moléculaire, évolution, histoire naturelle, séquence nucléotidique, http://aims.fao.org/aos/agrovoc/c_34747, http://aims.fao.org/aos/agrovoc/c_3224, http://aims.fao.org/aos/agrovoc/c_9824, http://aims.fao.org/aos/agrovoc/c_6094, http://aims.fao.org/aos/agrovoc/c_13325, http://aims.fao.org/aos/agrovoc/c_915, http://aims.fao.org/aos/agrovoc/c_4891, http://aims.fao.org/aos/agrovoc/c_2745, http://aims.fao.org/aos/agrovoc/c_5088, http://aims.fao.org/aos/agrovoc/c_27583, |
Online Access: | http://agritrop.cirad.fr/580080/ http://agritrop.cirad.fr/580080/1/Spartina_maritima_chloroplast_2015.pdf |
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dig-cirad-fr-5800802024-01-28T23:24:35Z http://agritrop.cirad.fr/580080/ http://agritrop.cirad.fr/580080/ The chloroplast genome of the hexaploid Spartina maritima (Poaceae, Chloridoideae): Comparative analyses and molecular dating. Rousseau-Gueutin Mathieu, Bellot Sidonie, Martin Guillaume, Boutte Julien, Chelaifa Houda, Lima Oscar, Michon-Coudouel Sophie, Naquin Delphine, Salmon Armel, Ainouche K., Ainouche Malika Lily. 2015. Molecular Phylogenetics and Evolution, 93 : 5-16.https://doi.org/10.1016/j.ympev.2015.06.013 <https://doi.org/10.1016/j.ympev.2015.06.013> The chloroplast genome of the hexaploid Spartina maritima (Poaceae, Chloridoideae): Comparative analyses and molecular dating Rousseau-Gueutin, Mathieu Bellot, Sidonie Martin, Guillaume Boutte, Julien Chelaifa, Houda Lima, Oscar Michon-Coudouel, Sophie Naquin, Delphine Salmon, Armel Ainouche, K. Ainouche, Malika Lily eng 2015 Molecular Phylogenetics and Evolution F30 - Génétique et amélioration des plantes Spartina génome chloroplaste polyploïdie phylogénie biogéographie biologie moléculaire évolution histoire naturelle séquence nucléotidique http://aims.fao.org/aos/agrovoc/c_34747 http://aims.fao.org/aos/agrovoc/c_3224 http://aims.fao.org/aos/agrovoc/c_9824 http://aims.fao.org/aos/agrovoc/c_6094 http://aims.fao.org/aos/agrovoc/c_13325 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_4891 http://aims.fao.org/aos/agrovoc/c_2745 http://aims.fao.org/aos/agrovoc/c_5088 http://aims.fao.org/aos/agrovoc/c_27583 The history of many plant lineages is complicated by reticulate evolution with cases of hybridization often followed by genome duplication (allopolyploidy). In such a context, the inference of phylogenetic relationships and biogeographic scenarios based on molecular data is easier using haploid markers like chloroplast genome sequences. Hybridization and polyploidization occurred recurrently in the genus Spartina (Poaceae, Chloridoideae), as illustrated by the recent formation of the invasive allododecaploid S. anglica during the 19th century in Europe. Until now, only a few plastid markers were available to explore the history of this genus and their low variability limited the resolution of species relationships. We sequenced the complete chloroplast genome (plastome) of S. maritima, the native European parent of S. anglica, and compared it to the plastomes of other Poaceae. Our analysis revealed the presence of fast-evolving regions of potential taxonomic, phylogeographic and phylogenetic utility at various levels within the Poaceae family. Using secondary calibrations, we show that the tetraploid and hexaploid lineages of Spartina diverged 6–10 my ago, and that the two parents of the invasive allopolyploid S. anglica separated 2–4 my ago via long distance dispersal of the ancestor of S. maritima over the Atlantic Ocean. Finally, we discuss the meaning of divergence times between chloroplast genomes in the context of reticulate evolution. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/580080/1/Spartina_maritima_chloroplast_2015.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1016/j.ympev.2015.06.013 10.1016/j.ympev.2015.06.013 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ympev.2015.06.013 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1016/j.ympev.2015.06.013 info:eu-repo/semantics/dataset/purl/http://www.ncbi.nlm.nih.gov/nuccore/KP176438 |
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F30 - Génétique et amélioration des plantes Spartina génome chloroplaste polyploïdie phylogénie biogéographie biologie moléculaire évolution histoire naturelle séquence nucléotidique http://aims.fao.org/aos/agrovoc/c_34747 http://aims.fao.org/aos/agrovoc/c_3224 http://aims.fao.org/aos/agrovoc/c_9824 http://aims.fao.org/aos/agrovoc/c_6094 http://aims.fao.org/aos/agrovoc/c_13325 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_4891 http://aims.fao.org/aos/agrovoc/c_2745 http://aims.fao.org/aos/agrovoc/c_5088 http://aims.fao.org/aos/agrovoc/c_27583 F30 - Génétique et amélioration des plantes Spartina génome chloroplaste polyploïdie phylogénie biogéographie biologie moléculaire évolution histoire naturelle séquence nucléotidique http://aims.fao.org/aos/agrovoc/c_34747 http://aims.fao.org/aos/agrovoc/c_3224 http://aims.fao.org/aos/agrovoc/c_9824 http://aims.fao.org/aos/agrovoc/c_6094 http://aims.fao.org/aos/agrovoc/c_13325 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_4891 http://aims.fao.org/aos/agrovoc/c_2745 http://aims.fao.org/aos/agrovoc/c_5088 http://aims.fao.org/aos/agrovoc/c_27583 |
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F30 - Génétique et amélioration des plantes Spartina génome chloroplaste polyploïdie phylogénie biogéographie biologie moléculaire évolution histoire naturelle séquence nucléotidique http://aims.fao.org/aos/agrovoc/c_34747 http://aims.fao.org/aos/agrovoc/c_3224 http://aims.fao.org/aos/agrovoc/c_9824 http://aims.fao.org/aos/agrovoc/c_6094 http://aims.fao.org/aos/agrovoc/c_13325 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_4891 http://aims.fao.org/aos/agrovoc/c_2745 http://aims.fao.org/aos/agrovoc/c_5088 http://aims.fao.org/aos/agrovoc/c_27583 F30 - Génétique et amélioration des plantes Spartina génome chloroplaste polyploïdie phylogénie biogéographie biologie moléculaire évolution histoire naturelle séquence nucléotidique http://aims.fao.org/aos/agrovoc/c_34747 http://aims.fao.org/aos/agrovoc/c_3224 http://aims.fao.org/aos/agrovoc/c_9824 http://aims.fao.org/aos/agrovoc/c_6094 http://aims.fao.org/aos/agrovoc/c_13325 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_4891 http://aims.fao.org/aos/agrovoc/c_2745 http://aims.fao.org/aos/agrovoc/c_5088 http://aims.fao.org/aos/agrovoc/c_27583 Rousseau-Gueutin, Mathieu Bellot, Sidonie Martin, Guillaume Boutte, Julien Chelaifa, Houda Lima, Oscar Michon-Coudouel, Sophie Naquin, Delphine Salmon, Armel Ainouche, K. Ainouche, Malika Lily The chloroplast genome of the hexaploid Spartina maritima (Poaceae, Chloridoideae): Comparative analyses and molecular dating |
description |
The history of many plant lineages is complicated by reticulate evolution with cases of hybridization often followed by genome duplication (allopolyploidy). In such a context, the inference of phylogenetic relationships and biogeographic scenarios based on molecular data is easier using haploid markers like chloroplast genome sequences. Hybridization and polyploidization occurred recurrently in the genus Spartina (Poaceae, Chloridoideae), as illustrated by the recent formation of the invasive allododecaploid S. anglica during the 19th century in Europe. Until now, only a few plastid markers were available to explore the history of this genus and their low variability limited the resolution of species relationships. We sequenced the complete chloroplast genome (plastome) of S. maritima, the native European parent of S. anglica, and compared it to the plastomes of other Poaceae. Our analysis revealed the presence of fast-evolving regions of potential taxonomic, phylogeographic and phylogenetic utility at various levels within the Poaceae family. Using secondary calibrations, we show that the tetraploid and hexaploid lineages of Spartina diverged 6–10 my ago, and that the two parents of the invasive allopolyploid S. anglica separated 2–4 my ago via long distance dispersal of the ancestor of S. maritima over the Atlantic Ocean. Finally, we discuss the meaning of divergence times between chloroplast genomes in the context of reticulate evolution. |
format |
article |
topic_facet |
F30 - Génétique et amélioration des plantes Spartina génome chloroplaste polyploïdie phylogénie biogéographie biologie moléculaire évolution histoire naturelle séquence nucléotidique http://aims.fao.org/aos/agrovoc/c_34747 http://aims.fao.org/aos/agrovoc/c_3224 http://aims.fao.org/aos/agrovoc/c_9824 http://aims.fao.org/aos/agrovoc/c_6094 http://aims.fao.org/aos/agrovoc/c_13325 http://aims.fao.org/aos/agrovoc/c_915 http://aims.fao.org/aos/agrovoc/c_4891 http://aims.fao.org/aos/agrovoc/c_2745 http://aims.fao.org/aos/agrovoc/c_5088 http://aims.fao.org/aos/agrovoc/c_27583 |
author |
Rousseau-Gueutin, Mathieu Bellot, Sidonie Martin, Guillaume Boutte, Julien Chelaifa, Houda Lima, Oscar Michon-Coudouel, Sophie Naquin, Delphine Salmon, Armel Ainouche, K. Ainouche, Malika Lily |
author_facet |
Rousseau-Gueutin, Mathieu Bellot, Sidonie Martin, Guillaume Boutte, Julien Chelaifa, Houda Lima, Oscar Michon-Coudouel, Sophie Naquin, Delphine Salmon, Armel Ainouche, K. Ainouche, Malika Lily |
author_sort |
Rousseau-Gueutin, Mathieu |
title |
The chloroplast genome of the hexaploid Spartina maritima (Poaceae, Chloridoideae): Comparative analyses and molecular dating |
title_short |
The chloroplast genome of the hexaploid Spartina maritima (Poaceae, Chloridoideae): Comparative analyses and molecular dating |
title_full |
The chloroplast genome of the hexaploid Spartina maritima (Poaceae, Chloridoideae): Comparative analyses and molecular dating |
title_fullStr |
The chloroplast genome of the hexaploid Spartina maritima (Poaceae, Chloridoideae): Comparative analyses and molecular dating |
title_full_unstemmed |
The chloroplast genome of the hexaploid Spartina maritima (Poaceae, Chloridoideae): Comparative analyses and molecular dating |
title_sort |
chloroplast genome of the hexaploid spartina maritima (poaceae, chloridoideae): comparative analyses and molecular dating |
url |
http://agritrop.cirad.fr/580080/ http://agritrop.cirad.fr/580080/1/Spartina_maritima_chloroplast_2015.pdf |
work_keys_str_mv |
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