Phylogeny of Maleae (Rosaceae) Based on Complete Chloroplast Genomes Supports the Distinction of <i>Aria</i>, <i>Chamaemespilus</i> and <i>Torminalis</i> as Separate Genera, Different from <i>Sorbus</i> sp.
Several genera formerly contained within the genus <i>Sorbus</i> L. <i>sensu lato</i> have been proposed as separate taxa, including <i>Aria</i>, <i>Chamaemespilus</i> and <i>Torminalis</i>. However, molecular evidence for such distinctions...
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| Autores principales: | , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
MDPI AG
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/146ba7a4ff124e69b15d5252c169f1d2 |
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| Sumario: | Several genera formerly contained within the genus <i>Sorbus</i> L. <i>sensu lato</i> have been proposed as separate taxa, including <i>Aria</i>, <i>Chamaemespilus</i> and <i>Torminalis</i>. However, molecular evidence for such distinctions are rather scarce. We assembled the complete chloroplast genome of <i>Sorbus aucuparia</i>, another representative of <i>Sorbus</i> s.s., and performed detailed comparisons with the available genomes of <i>Aria edulis</i>, <i>Chamaemespilus alpina</i> and <i>Torminalis glaberrima</i>. Additionally, using 110 complete chloroplast genomes of the Maleae representatives, we constructed the phylogenetic tree of the tribe using Maximum Likelihood methods. The chloroplast genome of <i>S. aucuparia</i> was found to be similar to other species within Maleae. The phylogenetic tree of the Maleae tribe indicated that <i>A. edulis</i>, <i>C. alpina</i> and <i>T. glaberrima</i> formed a concise group belonging to a different clade (related to <i>Malus</i>) than the one including <i>Sorbus</i> s.s. (related to <i>Pyrus</i>). However, <i>Aria</i> and <i>Chamaemespilus</i> appeared to be more closely related to each other than to <i>Torminalis</i>. Our results provide additional support for considering <i>Aria</i>, <i>Chamaemespilus</i> and <i>Torminalis</i> as separate genera different from <i>Sorbus</i> s.s. |
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