Plastid Phylogenomic Analysis of Tordylieae Tribe (Apiaceae, Apioideae)

Tahir Samigullin, Maria Logacheva, Elena Terentieva, Galina Degtjareva, Michael Pimenov, Carmen Valiejo-Roman

Research output: Contribution to journalArticlepeer-review

Abstract

Based on the nrDNA ITS sequence data, the Tordylieae tribe is recognized as monophyletic with three major lineages: the subtribe Tordyliinae, the Cymbocarpum clade, and the Lefebvrea clade. Recent phylogenomic investigations showed incongruence between the nuclear and plastid genome evolution in the tribe. To assess phylogenetic relations and structure evolution of plastomes in Tordylieae, we generated eleven complete plastome sequences using the genome skimming approach and compared them with the available data from this tribe and close relatives. Newly assembled plas-tomes had lengths ranging from 141,148 to 150,103 base pairs and contained 122–127 genes, including 79–82 protein-coding genes, 35–37 tRNAs, and 8 rRNAs. We observed substantial differences in the inverted repeat length and gene content, accompanied by a complex picture of multiple JLA and JLB shifts. In concatenated phylogenetic analyses, Tordylieae plastomes formed at least three not closely related lineages with plastomes of the Lefebvrea clade as a sister group to plastomes from the Selineae tribe. The newly obtained data have increased our knowledge on the range of plastome variability in Apiaceae.

Original languageEnglish
Article number709
JournalPlants
Volume11
Issue number5
DOIs
Publication statusPublished - 1 Mar 2022

Keywords

  • Apiaceae
  • Contraction
  • Expansion
  • Inverted repeats
  • Phylogenomics
  • Plastome evolution
  • Tordylieae

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