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Open AccessArticle

The Complete Chloroplast Genome of the Vulnerable Oreocharis esquirolii (Gesneriaceae): Structural Features, Comparative and Phylogenetic Analysis

by 1,2,3, 1,2,3, 4 and 1,2,*
1
College of Life Sciences, Guizhou University, Guiyang 550025, China
2
The Key Laboratory of Plant Resources Conservation and Germplasm Innovation in Mountainous Region Ministry of Education, Guizhou University, Guiyang 550025, China
3
Institute of Agro-Bioengineering, Guizhou University, Guiyang 550025, China
4
College of Forestry, Guizhou University, Guiyang 550025, China
*
Author to whom correspondence should be addressed.
Plants 2020, 9(12), 1692; https://doi.org/10.3390/plants9121692
Received: 21 October 2020 / Revised: 18 November 2020 / Accepted: 28 November 2020 / Published: 2 December 2020
Oreocharis esquirolii, a member of Gesneriaceae, is known as Thamnocharis esquirolii, which has been regarded a synonym of the former. The species is endemic to Guizhou, southwestern China, and is evaluated as vulnerable (VU) under the International Union for Conservation of Nature (IUCN) criteria. Until now, the sequence and genome information of O. esquirolii remains unknown. In this study, we assembled and characterized the complete chloroplast (cp) genome of O. esquirolii using Illumina sequencing data for the first time. The total length of the cp genome was 154,069 bp with a typical quadripartite structure consisting of a pair of inverted repeats (IRs) of 25,392 bp separated by a large single copy region (LSC) of 85,156 bp and a small single copy region (SSC) of18,129 bp. The genome comprised 114 unique genes with 80 protein-coding genes, 30 tRNA genes, and four rRNA genes. Thirty-one repeat sequences and 74 simple sequence repeats (SSRs) were identified. Genome alignment across five plastid genomes of Gesneriaceae indicated a high sequence similarity. Four highly variable sites (rps16-trnQ, trnS-trnG, ndhF-rpl32, and ycf 1) were identified. Phylogenetic analysis indicated that O. esquirolii grouped together with O. mileensis, supporting resurrection of the name Oreocharis esquirolii from Thamnocharisesquirolii. The complete cp genome sequence will contribute to further studies in molecular identification, genetic diversity, and phylogeny. View Full-Text
Keywords: Gesneriaceae; next-generation sequencing; complete chloroplast genome; Oreocharis; Thamnocharis Gesneriaceae; next-generation sequencing; complete chloroplast genome; Oreocharis; Thamnocharis
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MDPI and ACS Style

Gu, L.; Su, T.; An, M.-T.; Hu, G.-X. The Complete Chloroplast Genome of the Vulnerable Oreocharis esquirolii (Gesneriaceae): Structural Features, Comparative and Phylogenetic Analysis. Plants 2020, 9, 1692. https://doi.org/10.3390/plants9121692

AMA Style

Gu L, Su T, An M-T, Hu G-X. The Complete Chloroplast Genome of the Vulnerable Oreocharis esquirolii (Gesneriaceae): Structural Features, Comparative and Phylogenetic Analysis. Plants. 2020; 9(12):1692. https://doi.org/10.3390/plants9121692

Chicago/Turabian Style

Gu, Li; Su, Ting; An, Ming-Tai; Hu, Guo-Xiong. 2020. "The Complete Chloroplast Genome of the Vulnerable Oreocharis esquirolii (Gesneriaceae): Structural Features, Comparative and Phylogenetic Analysis" Plants 9, no. 12: 1692. https://doi.org/10.3390/plants9121692

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