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Complete chloroplast genome sequence of Murraya paniculata (Rutaceae): a widely used folk medicinal herb.

ABSTRACT: Murraya paniculate, is traditionally used for management of gut, air way and cardiovascular disorders. In this study, we sequenced the complete chloroplast genome of M. paniculata based on next-generation sequencing and used the data to assess genomic resources. The chloroplast genome of M. paniculata is 160,280 bp in length consisting of large and small single-copy regions of length 87,605 and 18,609 bp, separated by two IR regions of 27,033 bp. The overall GC content was 38.61%. De novo assembly and annotation showed the presence of unique genes with 85 protein-coding genes, 29 tRNA genes, and eight rRNA genes. A maximum-likelihood phylogenomic analysis showed that M. paniculata was closely related to M. caloxylon.

SUBMITTER: Liu H

PROVIDER: S-EPMC7671698 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Complete chloroplast genome sequence of Murraya paniculata (Rutaceae): a widely used folk medicinal herb.

Liu Huihui H Zhao Yuyang Y Zhou Junhui J Ma Qing Q Wang Xinhong X Hua Zhongyi Z

Mitochondrial DNA. Part B, Resources 20201111 3

Murraya paniculate, is traditionally used for management of gut, air way and cardiovascular disorders. In this study, we sequenced the complete chloroplast genome of M. paniculata based on next-generation sequencing and used the data to assess genomic resources. The chloroplast genome of M. paniculata is 160,280 bp in length consisting of large and small single-copy regions of length 87,605 and 18,609 bp, separated by two IR regions of 27,033 bp. The overall GC content was 3 ...[more]

PMID: 33367064

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Project description:BACKGROUND:Orange jasmine has a complex nomenclatural history and is now known as Murraya paniculata (L.) Jack. Our interest in this common ornamental stemmed from the need to resolve its identity and the identities of closely related taxa as hosts of the pathogen 'Candidatus Liberibacter asiaticus' and its vector Diaphorina citri. Understanding these microbe-vector-plant relationships has been hampered by taxonomic confusion surrounding Murraya at both the generic and specific levels. RESULTS:To resolve the taxonomic uncertainty, six regions of the maternally-inherited chloroplastal genome and part of the nuclear-encoded ITS region were amplified from 85 accessions of Murraya and Merrillia using the polymerase chain reaction (PCR). Clustering used maximum parsimony (MP), maximum likelihood (ML) and Bayesian inference (BI). Chronograms were produced for molecular dating, and to test the monophyly of Murraya rigorously, using selected accessions of Murraya and 26 accessions of the Rutaceae and Simarubaceae. Sequence data from the ITS and chloroplastal regions suggest that Murraya paniculata (sensu (Swingle WT and Reece CR, The Citrus Industry, p. 190-430, 1967)) can be separated into four distinct but morphologically somewhat cryptic taxa: Murraya paniculata (sensu (Mabberley DJ, Taxon 65:366-371, 2016)), M. elongata, M. sumatrana and M. lucida. In addition, Murraya omphalocarpa was identified as a putative hybrid of M. paniculata and M. lucida with two geographically isolated nothovarieties representing reciprocal crosses. Murraya is monophyletic, and molecular dating suggests that it diverged from Merrillia during the Miocene (23-5 Ma) with this Murraya group speciating and dispersing during the Middle Miocene onwards. CONCLUSIONS:The accessions from Asia and Australasia used in this study grouped into biogeographical regions that match herbarium specimen records for the taxa that suggest natural allopatric distributions with limited overlap and hybridity. Murraya paniculata has been distributed around the world as an ornamental plant. The division of the Murraya paniculata complex into four species with a rare hybrid also confirms morphological studies.

Dataset Information

Complete chloroplast genome sequence of Murraya paniculata (Rutaceae): a widely used folk medicinal herb.

Publications

Complete chloroplast genome sequence of <i>Murraya paniculata</i> (Rutaceae): a widely used folk medicinal herb.

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