Phylogenomics recovers multiple origins of portable case-making in caddisflies (Insecta: Trichoptera), the world’s most common underwater architects
Abstract Caddisflies (Trichoptera) are among the most diverse groups of freshwater animals with more than 16,000 described species. They play an outsized role in freshwater ecology and environmental engineering in streams, rivers, and lakes. Because of this, they are frequently used as indicator organisms in biomonitoring programs. Despite their importance, key questions concerning the evolutionary history of caddisflies, such as the timing and origin of larval case-making, have been unanswered due to the lack of a well-resolved phylogenetic tree. To shed light on these questions in Trichoptera, we estimated a phylogenetic tree using a combination of transcriptomes and targeted enrichment data for 206 species, representing 48 of 52 extant families and 174 genera. We calibrated and dated the tree with a set of 33 carefully selected fossils. The first caddisflies originated in the Permian and the major suborders began to diversify in the Triassic. Ancestral state reconstruction and diversification analysis revealed that portable case-making evolved in three separate lineages and shifts in diversification occurred in concert with key evolutionary innovations other than case-making..
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Preprint| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
bioRxiv.org - (2023) vom: 27. Dez. Zur Gesamtaufnahme - year:2023 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Frandsen, Paul B. [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| doi: |
10.1101/2023.12.21.572910 |
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| PPN (Katalog-ID): |
XBI041971078 |
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| 245 | 1 | 0 | |a Phylogenomics recovers multiple origins of portable case-making in caddisflies (Insecta: Trichoptera), the world’s most common underwater architects |
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| 520 | |a Abstract Caddisflies (Trichoptera) are among the most diverse groups of freshwater animals with more than 16,000 described species. They play an outsized role in freshwater ecology and environmental engineering in streams, rivers, and lakes. Because of this, they are frequently used as indicator organisms in biomonitoring programs. Despite their importance, key questions concerning the evolutionary history of caddisflies, such as the timing and origin of larval case-making, have been unanswered due to the lack of a well-resolved phylogenetic tree. To shed light on these questions in Trichoptera, we estimated a phylogenetic tree using a combination of transcriptomes and targeted enrichment data for 206 species, representing 48 of 52 extant families and 174 genera. We calibrated and dated the tree with a set of 33 carefully selected fossils. The first caddisflies originated in the Permian and the major suborders began to diversify in the Triassic. Ancestral state reconstruction and diversification analysis revealed that portable case-making evolved in three separate lineages and shifts in diversification occurred in concert with key evolutionary innovations other than case-making. | ||
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| 700 | 1 | |a Breinholt, Jesse |4 aut | |
| 700 | 1 | |a Thomas, Jessica A. |4 aut | |
| 700 | 1 | |a Simon, Sabrina |4 aut | |
| 700 | 1 | |a Kawahara, Akito Y. |0 (orcid)0000-0002-3724-4610 |4 aut | |
| 700 | 1 | |a Plotkin, David |4 aut | |
| 700 | 1 | |a Hotaling, Scott |0 (orcid)0000-0002-5965-0986 |4 aut | |
| 700 | 1 | |a Li, Yiyuan |4 aut | |
| 700 | 1 | |a Nelson, C. Riley |4 aut | |
| 700 | 1 | |a Niehuis, Oliver |4 aut | |
| 700 | 1 | |a Mayer, Christoph |4 aut | |
| 700 | 1 | |a Podsiadlowski, Lars |4 aut | |
| 700 | 1 | |a Donath, Alex |4 aut | |
| 700 | 1 | |a Misof, Bernhard |4 aut | |
| 700 | 1 | |a Lemmon, Emily Moriarty |4 aut | |
| 700 | 1 | |a Lemmon, Alan |4 aut | |
| 700 | 1 | |a Morse, John C. |4 aut | |
| 700 | 1 | |a Pauls, Steffen |4 aut | |
| 700 | 1 | |a Zhou, Xin |4 aut | |
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