Complete chloroplast genome sequence of Adenophora racemosa (Campanulaceae): Comparative analysis with congeneric species.

Adenophora racemosa, belonging to the Campanulaceae, is an important species because it is endemic to Korea. The goal of this study was to assemble and annotate the chloroplast genome of A. racemosa and compare it with published chloroplast genomes of congeneric species. The chloroplast genome was r...

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Main Authors: Kyung-Ah Kim, Kyeong-Sik Cheon
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2021-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0248788
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author Kyung-Ah Kim
Kyeong-Sik Cheon
author_facet Kyung-Ah Kim
Kyeong-Sik Cheon
author_sort Kyung-Ah Kim
collection DOAJ
description Adenophora racemosa, belonging to the Campanulaceae, is an important species because it is endemic to Korea. The goal of this study was to assemble and annotate the chloroplast genome of A. racemosa and compare it with published chloroplast genomes of congeneric species. The chloroplast genome was reconstructed using de novo assembly of paired-end reads generated by the Illumina MiSeq platform. The chloroplast genome size of A. racemosa was 169,344 bp. In total, 112 unique genes (78 protein-coding genes, 30 tRNAs, and 4 rRNAs) were identified. A Maximum likelihood (ML) tree based on 76 protein-coding genes divided the five Adenophora species into two clades, showing that A. racemosa is more closely related to Adenophora stricta than to Adenophora divaricata. The gene order and contents of the LSC region of A. racemosa were identical to those of A. divaricata and A. stricta, but the structure of the SSC and IRs was unique due to IR contraction. Nucleotide diversity (Pi) >0.05 was found in eleven regions among the three Adenophora species not included in sect. Remotiflorae and in six regions between two species (A. racemosa and A. stricta).
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spelling doaj.art-8bcbb242b2114873accc9007a5b1bd402022-12-21T22:39:10ZengPublic Library of Science (PLoS)PLoS ONE1932-62032021-01-01163e024878810.1371/journal.pone.0248788Complete chloroplast genome sequence of Adenophora racemosa (Campanulaceae): Comparative analysis with congeneric species.Kyung-Ah KimKyeong-Sik CheonAdenophora racemosa, belonging to the Campanulaceae, is an important species because it is endemic to Korea. The goal of this study was to assemble and annotate the chloroplast genome of A. racemosa and compare it with published chloroplast genomes of congeneric species. The chloroplast genome was reconstructed using de novo assembly of paired-end reads generated by the Illumina MiSeq platform. The chloroplast genome size of A. racemosa was 169,344 bp. In total, 112 unique genes (78 protein-coding genes, 30 tRNAs, and 4 rRNAs) were identified. A Maximum likelihood (ML) tree based on 76 protein-coding genes divided the five Adenophora species into two clades, showing that A. racemosa is more closely related to Adenophora stricta than to Adenophora divaricata. The gene order and contents of the LSC region of A. racemosa were identical to those of A. divaricata and A. stricta, but the structure of the SSC and IRs was unique due to IR contraction. Nucleotide diversity (Pi) >0.05 was found in eleven regions among the three Adenophora species not included in sect. Remotiflorae and in six regions between two species (A. racemosa and A. stricta).https://doi.org/10.1371/journal.pone.0248788
spellingShingle Kyung-Ah Kim
Kyeong-Sik Cheon
Complete chloroplast genome sequence of Adenophora racemosa (Campanulaceae): Comparative analysis with congeneric species.
PLoS ONE
title Complete chloroplast genome sequence of Adenophora racemosa (Campanulaceae): Comparative analysis with congeneric species.
title_full Complete chloroplast genome sequence of Adenophora racemosa (Campanulaceae): Comparative analysis with congeneric species.
title_fullStr Complete chloroplast genome sequence of Adenophora racemosa (Campanulaceae): Comparative analysis with congeneric species.
title_full_unstemmed Complete chloroplast genome sequence of Adenophora racemosa (Campanulaceae): Comparative analysis with congeneric species.
title_short Complete chloroplast genome sequence of Adenophora racemosa (Campanulaceae): Comparative analysis with congeneric species.
title_sort complete chloroplast genome sequence of adenophora racemosa campanulaceae comparative analysis with congeneric species
url https://doi.org/10.1371/journal.pone.0248788
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