Phylogenomic Analysis of a Putative Missing Link Sparks Reinterpretation of Leech Evolution
© The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution..
Leeches (Hirudinida) comprise a charismatic, yet often maligned group of organisms. Despite their ecological, economic, and medical importance, a general consensus on the phylogenetic relationships of major hirudinidan lineages is lacking. This absence of a consistent, robust phylogeny of early-diverging lineages has hindered our understanding of the underlying processes that enabled evolutionary diversification of this clade. Here, we used an anchored hybrid enrichment-based phylogenomic approach, capturing hundreds of loci to investigate phylogenetic relationships among major hirudinidan lineages and their closest living relatives. Our results suggest that a dramatic reinterpretation of early leech evolution is warranted. We recovered Branchiobdellida as sister to a clade that includes all major lineages of hirudinidans, but found Acanthobdella to be nested within Oceanobdelliformes. These results cast doubt on the utility of Acanthobdella as a "missing link" used to explain the origin of blood-feeding in hirudineans. Further, our results support a deep divergence between predominantly marine and freshwater lineages, while not supporting the reciprocal monophyly of jawed and proboscis-bearing leeches. To sum up, our phylogenomic resolution of early-diverging leeches provides a necessary foundation for illuminating the evolution of host-symbiont associations and key adaptations that have allowed leeches to colonize a wide diversity of habitats worldwide.
| Errataetall: |
ExpressionOfConcernIn: Genome Biol Evol. 2019 Jul 1;11(7):1882. - PMID 31271441 |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:11 |
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| Enthalten in: |
Genome biology and evolution - 11(2019), 11 vom: 01. Juli, Seite 3082-3093 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Phillips, Anna J [VerfasserIn] |
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| Links: |
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| Themen: |
Acanthobdella |
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| Anmerkungen: |
Date Completed 27.01.2020 Date Revised 22.05.2020 published: Print ExpressionOfConcernIn: Genome Biol Evol. 2019 Jul 1;11(7):1882. - PMID 31271441 Citation Status MEDLINE |
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| doi: |
10.1093/gbe/evz120 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM298309327 |
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| 245 | 1 | 0 | |a Phylogenomic Analysis of a Putative Missing Link Sparks Reinterpretation of Leech Evolution |
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| 520 | |a © The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution. | ||
| 520 | |a Leeches (Hirudinida) comprise a charismatic, yet often maligned group of organisms. Despite their ecological, economic, and medical importance, a general consensus on the phylogenetic relationships of major hirudinidan lineages is lacking. This absence of a consistent, robust phylogeny of early-diverging lineages has hindered our understanding of the underlying processes that enabled evolutionary diversification of this clade. Here, we used an anchored hybrid enrichment-based phylogenomic approach, capturing hundreds of loci to investigate phylogenetic relationships among major hirudinidan lineages and their closest living relatives. Our results suggest that a dramatic reinterpretation of early leech evolution is warranted. We recovered Branchiobdellida as sister to a clade that includes all major lineages of hirudinidans, but found Acanthobdella to be nested within Oceanobdelliformes. These results cast doubt on the utility of Acanthobdella as a "missing link" used to explain the origin of blood-feeding in hirudineans. Further, our results support a deep divergence between predominantly marine and freshwater lineages, while not supporting the reciprocal monophyly of jawed and proboscis-bearing leeches. To sum up, our phylogenomic resolution of early-diverging leeches provides a necessary foundation for illuminating the evolution of host-symbiont associations and key adaptations that have allowed leeches to colonize a wide diversity of habitats worldwide | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, U.S. Gov't, Non-P.H.S. | |
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| 650 | 4 | |a Hirudinida | |
| 650 | 4 | |a anchored hybrid enrichment | |
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| 650 | 4 | |a sanguivory | |
| 650 | 4 | |a symbiosis | |
| 700 | 1 | |a Dornburg, Alex |e verfasserin |4 aut | |
| 700 | 1 | |a Zapfe, Katerina L |e verfasserin |4 aut | |
| 700 | 1 | |a Anderson, Frank E |e verfasserin |4 aut | |
| 700 | 1 | |a James, Samuel W |e verfasserin |4 aut | |
| 700 | 1 | |a Erséus, Christer |e verfasserin |4 aut | |
| 700 | 1 | |a Moriarty Lemmon, Emily |e verfasserin |4 aut | |
| 700 | 1 | |a Lemmon, Alan R |e verfasserin |4 aut | |
| 700 | 1 | |a Williams, Bronwyn W |e verfasserin |4 aut | |
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