Plastid Phylogenomic Analyses Reveal the Taxonomic Position of <i>Peucedanum franchetii</i>
<i>Peucedanum franchetii</i> is a famous folk medicinal plant in China. However, the taxonomy of the <i>P. franchetii</i> has not been sufficiently resolved. Due to similar morphological features between <i>P. franchetii</i> and <i>Ligusticopsis</i> me...
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MDPI AG
2022-12-01
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| author | Boni Song Changkun Liu Dengfeng Xie Yulin Xiao Rongming Tian Zixuan Li Songdong Zhou Xingjin He |
| author_facet | Boni Song Changkun Liu Dengfeng Xie Yulin Xiao Rongming Tian Zixuan Li Songdong Zhou Xingjin He |
| author_sort | Boni Song |
| collection | DOAJ |
| description | <i>Peucedanum franchetii</i> is a famous folk medicinal plant in China. However, the taxonomy of the <i>P. franchetii</i> has not been sufficiently resolved. Due to similar morphological features between <i>P. franchetii</i> and <i>Ligusticopsis</i> members, the World Flora Online (WFO) Plant List suggested that this species transformed into the genus <i>Ligusticopsis</i> and merged with <i>Ligusticopsis likiangensis</i>. However, both species are obviously diverse in leaf shape, bracts, and bracteoles. To check the taxonomic position of <i>P. franchetii</i>, we newly sequenced and assembled the plastome of <i>P. franchetii</i> and compared it with nine other plastomes of the genus <i>Ligusticopsis</i>. Ten plastomes were highly conserved and similar in gene order, codon bias, RNA editing sites, IR borders, and SSRs. Nevertheless, 10 mutation hotspot regions (<i>infA</i>, <i>rps8</i>, <i>matK</i>, <i>ndhF</i>, <i>rps15</i>, <i>psbA-trnH</i>, <i>rps2-rpoC2</i>, <i>psbA-trnK</i>, <i>ycf2-trnL</i>, and <i>ccsA-ndhD</i>) were still detected. In addition, both phylogenetic analyses based on plastome data and ITS sequences robustly supported that <i>P. franchetii</i> was not clustered with members of <i>Peucedanum</i> but nested in <i>Ligusticopsis. P. franchetii</i> was sister to <i>L</i>. <i>likiangensis</i> in the ITS topology but clustered with <i>L. capillacea</i> in the plastome tree. These findings implied that <i>P. franchetii</i> should be transferred to genus <i>Ligusticopsis</i> and not merged with <i>L</i>. <i>likiangensis</i>, but as an independent species, which was further verified by morphological evidences. Therefore, transferring <i>P. franchetii</i> under the genus <i>Ligusticopsis</i> as an independent species was reasonable, and a new combination was presented. |
| first_indexed | 2024-03-09T12:01:42Z |
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| spelling | doaj.art-6c5a310a4ddd42dbb9023509911890e12023-11-30T23:02:24ZengMDPI AGPlants2223-77472022-12-011219710.3390/plants12010097Plastid Phylogenomic Analyses Reveal the Taxonomic Position of <i>Peucedanum franchetii</i>Boni Song0Changkun Liu1Dengfeng Xie2Yulin Xiao3Rongming Tian4Zixuan Li5Songdong Zhou6Xingjin He7Key Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, ChinaKey Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, ChinaKey Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, ChinaKey Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, ChinaKey Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, ChinaKey Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, ChinaKey Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, ChinaKey Laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China<i>Peucedanum franchetii</i> is a famous folk medicinal plant in China. However, the taxonomy of the <i>P. franchetii</i> has not been sufficiently resolved. Due to similar morphological features between <i>P. franchetii</i> and <i>Ligusticopsis</i> members, the World Flora Online (WFO) Plant List suggested that this species transformed into the genus <i>Ligusticopsis</i> and merged with <i>Ligusticopsis likiangensis</i>. However, both species are obviously diverse in leaf shape, bracts, and bracteoles. To check the taxonomic position of <i>P. franchetii</i>, we newly sequenced and assembled the plastome of <i>P. franchetii</i> and compared it with nine other plastomes of the genus <i>Ligusticopsis</i>. Ten plastomes were highly conserved and similar in gene order, codon bias, RNA editing sites, IR borders, and SSRs. Nevertheless, 10 mutation hotspot regions (<i>infA</i>, <i>rps8</i>, <i>matK</i>, <i>ndhF</i>, <i>rps15</i>, <i>psbA-trnH</i>, <i>rps2-rpoC2</i>, <i>psbA-trnK</i>, <i>ycf2-trnL</i>, and <i>ccsA-ndhD</i>) were still detected. In addition, both phylogenetic analyses based on plastome data and ITS sequences robustly supported that <i>P. franchetii</i> was not clustered with members of <i>Peucedanum</i> but nested in <i>Ligusticopsis. P. franchetii</i> was sister to <i>L</i>. <i>likiangensis</i> in the ITS topology but clustered with <i>L. capillacea</i> in the plastome tree. These findings implied that <i>P. franchetii</i> should be transferred to genus <i>Ligusticopsis</i> and not merged with <i>L</i>. <i>likiangensis</i>, but as an independent species, which was further verified by morphological evidences. Therefore, transferring <i>P. franchetii</i> under the genus <i>Ligusticopsis</i> as an independent species was reasonable, and a new combination was presented.https://www.mdpi.com/2223-7747/12/1/97Apiaceae<i>Ligusticopsis</i><i>Peucedanum franchetii</i>new combinationplastomephylogeny |
| spellingShingle | Boni Song Changkun Liu Dengfeng Xie Yulin Xiao Rongming Tian Zixuan Li Songdong Zhou Xingjin He Plastid Phylogenomic Analyses Reveal the Taxonomic Position of <i>Peucedanum franchetii</i> Plants Apiaceae <i>Ligusticopsis</i> <i>Peucedanum franchetii</i> new combination plastome phylogeny |
| title | Plastid Phylogenomic Analyses Reveal the Taxonomic Position of <i>Peucedanum franchetii</i> |
| title_full | Plastid Phylogenomic Analyses Reveal the Taxonomic Position of <i>Peucedanum franchetii</i> |
| title_fullStr | Plastid Phylogenomic Analyses Reveal the Taxonomic Position of <i>Peucedanum franchetii</i> |
| title_full_unstemmed | Plastid Phylogenomic Analyses Reveal the Taxonomic Position of <i>Peucedanum franchetii</i> |
| title_short | Plastid Phylogenomic Analyses Reveal the Taxonomic Position of <i>Peucedanum franchetii</i> |
| title_sort | plastid phylogenomic analyses reveal the taxonomic position of i peucedanum franchetii i |
| topic | Apiaceae <i>Ligusticopsis</i> <i>Peucedanum franchetii</i> new combination plastome phylogeny |
| url | https://www.mdpi.com/2223-7747/12/1/97 |
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