Plastome comparison and evolution within the tribes of Plantaginaceae: insights from an Asian gypsyweed

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Title
Plastome comparison and evolution within the tribes of Plantaginaceae: insights from an Asian gypsyweed
Author(s)
S Maurya; A M Darshetkar; Dong Keun Yi; J Kim; Changyoung Lee; M A Ali; Sangho Choi; R K Choudhary; Soo Yong Kim
Bibliographic Citation
Saudi Journal of Biological Sciences, vol. 27, no. 12, pp. 3489-3498
Publication Year
2020
Abstract
In spite of availability of several plastomes representing different tribes of Plantaginaceae, sparse attempts have been made to understand the plastome structure, evolution, and phylogenomics. In the present study, we have made an effort to understand the gene content and plastome evolution in the family Plantaginaceae using the newly generated plastome sequence of Veronica ovata subsp. kiusiana, a taxon native to SE Asia. In the first-ever attempt, plastomes of seven out of 10 tribes of Plantaginaceae have been compared to understand the evolution across the tribes of Plantaginaceae. The size of the plastome of V. ovata subsp. kiusiana is 152,249 bp, showing a typical quadripartite structure containing LSC, SSC, and two IRs with the sizes of 83,187, 17,704, and 25,679 respectively. The plastome comparison revealed the unique deletions in ycf2 and ndhF genes of members of different tribes, and also revealed high nucleotide variable hotspots. The study also revealed six highly variable genes and intergenic spacer viz. rps16, rps15-ycf1, ccsA-ndhD, ndhC-trnV, petN-psbM, and ycf1-trnN as potential DNA barcodes for the genus Veronica. The phylogenomic study revealed the sister relationship between V. ovata subsp. kiusiana and V. persica and also suggested the tentative placement of seven tribes in the family Plantaginaceae.
Keyword
Antirrhinum majusNucleotide diversityPhylogenomicsPlastome evolutionSSRsVeronica ovata subsp. kiusiana
ISSN
1319-562X
Publisher
Elsevier
DOI
http://dx.doi.org/10.1016/j.sjbs.2020.09.040
Type
Article
Appears in Collections:
Ochang Branch Institute > Division of Bioinfrastructure > International Biological Material Research Center > 1. Journal Articles
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