Phylogenetic Patterns of Swainsonine Presence in Morning Glories
Endosymbionts play important roles in the life cycles of many macro-organisms. The indolizidine alkaloid swainsonine is produced by heritable fungi that occurs in diverse plant families, such as locoweeds (Fabaceae) and morning glories (Convolvulaceae) plus two species of Malvaceae. Swainsonine is k...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2022-05-01
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| Series: | Frontiers in Microbiology |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/articles/10.3389/fmicb.2022.871148/full |
| _version_ | 1818186843753021440 |
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| author | Quynh N. Quach Dale R. Gardner Keith Clay Daniel Cook |
| author_facet | Quynh N. Quach Dale R. Gardner Keith Clay Daniel Cook |
| author_sort | Quynh N. Quach |
| collection | DOAJ |
| description | Endosymbionts play important roles in the life cycles of many macro-organisms. The indolizidine alkaloid swainsonine is produced by heritable fungi that occurs in diverse plant families, such as locoweeds (Fabaceae) and morning glories (Convolvulaceae) plus two species of Malvaceae. Swainsonine is known for its toxic effects on livestock following the ingestion of locoweeds and the potential for pharmaceutical applications. We sampled and tested herbarium seed samples (n = 983) from 244 morning glory species for the presence of swainsonine and built a phylogeny based on available internal transcribed spacer (ITS) sequences of the sampled species. We show that swainsonine occurs only in a single morning glory clade and host species are established on multiple continents. Our results further indicate that this symbiosis developed ∼5 mya and that swainsonine-positive species have larger seeds than their uninfected conspecifics. |
| first_indexed | 2024-12-11T23:01:35Z |
| format | Article |
| id | doaj.art-4f5f247dce0745ab8566fcb352e2a2e6 |
| institution | Directory Open Access Journal |
| issn | 1664-302X |
| language | English |
| last_indexed | 2024-12-11T23:01:35Z |
| publishDate | 2022-05-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Microbiology |
| spelling | doaj.art-4f5f247dce0745ab8566fcb352e2a2e62022-12-22T00:47:02ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2022-05-011310.3389/fmicb.2022.871148871148Phylogenetic Patterns of Swainsonine Presence in Morning GloriesQuynh N. Quach0Dale R. Gardner1Keith Clay2Daniel Cook3Department of Ecology and Evolutionary Biology, Tulane University, New Orleans, LA, United StatesUnited States Department of Agriculture – Agricultural Research Service, Poisonous Plant Research Laboratory, Logan, UT, United StatesDepartment of Ecology and Evolutionary Biology, Tulane University, New Orleans, LA, United StatesUnited States Department of Agriculture – Agricultural Research Service, Poisonous Plant Research Laboratory, Logan, UT, United StatesEndosymbionts play important roles in the life cycles of many macro-organisms. The indolizidine alkaloid swainsonine is produced by heritable fungi that occurs in diverse plant families, such as locoweeds (Fabaceae) and morning glories (Convolvulaceae) plus two species of Malvaceae. Swainsonine is known for its toxic effects on livestock following the ingestion of locoweeds and the potential for pharmaceutical applications. We sampled and tested herbarium seed samples (n = 983) from 244 morning glory species for the presence of swainsonine and built a phylogeny based on available internal transcribed spacer (ITS) sequences of the sampled species. We show that swainsonine occurs only in a single morning glory clade and host species are established on multiple continents. Our results further indicate that this symbiosis developed ∼5 mya and that swainsonine-positive species have larger seeds than their uninfected conspecifics.https://www.frontiersin.org/articles/10.3389/fmicb.2022.871148/fullswainsoninefungal symbiosismorning gloryheritable symbiosisIpomoea |
| spellingShingle | Quynh N. Quach Dale R. Gardner Keith Clay Daniel Cook Phylogenetic Patterns of Swainsonine Presence in Morning Glories Frontiers in Microbiology swainsonine fungal symbiosis morning glory heritable symbiosis Ipomoea |
| title | Phylogenetic Patterns of Swainsonine Presence in Morning Glories |
| title_full | Phylogenetic Patterns of Swainsonine Presence in Morning Glories |
| title_fullStr | Phylogenetic Patterns of Swainsonine Presence in Morning Glories |
| title_full_unstemmed | Phylogenetic Patterns of Swainsonine Presence in Morning Glories |
| title_short | Phylogenetic Patterns of Swainsonine Presence in Morning Glories |
| title_sort | phylogenetic patterns of swainsonine presence in morning glories |
| topic | swainsonine fungal symbiosis morning glory heritable symbiosis Ipomoea |
| url | https://www.frontiersin.org/articles/10.3389/fmicb.2022.871148/full |
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