Plastome analysis unveils inverted repeat (IR) expansion and positive selection in Sea Lavenders (Limonium, Plumbaginaceae, Limonioideae, Limonieae)

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Title
Plastome analysis unveils inverted repeat (IR) expansion and positive selection in Sea Lavenders (Limonium, Plumbaginaceae, Limonioideae, Limonieae)
Author(s)
A M Darshetkar; S Maurya; Changyoung Lee; B Bazarragchaa; G Batdelger; A Janchiv; E J Jeong; Sangho Choi; R K Choudhary; Soo Yong Kim
Bibliographic Citation
Phytokeys, vol. 175, pp. 89-107
Publication Year
2021
Abstract
The genus Limonium, commonly known as Sea Lavenders, is one of the most species-rich genera of the family Plumbaginaceae. In this study, two new plastomes for the genus Limonium, viz. L. tetragonum and L. bicolor, were sequenced and compared to available Limonium plastomes, viz. L. aureum and L. tenellum, to understand the gene content and structural variations within the family. The loss of the rpl16 intron and pseudogenisation of rpl23 was observed. This study reports, for the first time, expansion of the IRs to include the ycf1 gene in Limonium plastomes, incongruent with previous studies. Two positively selected genes, viz. ndhF and ycf2, were identified. Furthermore, putative barcodes are proposed for the genus, based on the nucleotide diversity of four Limonium plastomes.
Keyword
Intron lossIR expansionPositive selectionPseudogenisation ycf1
ISSN
1314-2011
Publisher
Pensoft Publishers
DOI
http://dx.doi.org/10.3897/phytokeys.175.61054
Type
Article
Appears in Collections:
Ochang Branch Institute > Division of Bioinfrastructure > International Biological Material Research Center > 1. Journal Articles
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