Comparative plastomics of ashwagandha (Withania, Solanaceae) and identification of mutational hotspots for barcoding medicinal plants

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Mehmood , F , Abdullah , Ubaid , Z , Bao , Y , Poczai , P & Mirza , B 2020 , ' Comparative plastomics of ashwagandha (Withania, Solanaceae) and identification of mutational hotspots for barcoding medicinal plants ' , Plants , vol. 9 , no. 6 , 752 . https://doi.org/10.3390/plants9060752

Title: Comparative plastomics of ashwagandha (Withania, Solanaceae) and identification of mutational hotspots for barcoding medicinal plants
Author: Mehmood, Furrukh; Abdullah,; Ubaid, Zartasha; Bao, Yiming; Poczai, Péter; Mirza, Bushra
Other contributor: University of Helsinki, Botany

Date: 2020-06-15
Language: eng
Number of pages: 20
Belongs to series: Plants
ISSN: 2223-7747
DOI: https://doi.org/10.3390/plants9060752
URI: http://hdl.handle.net/10138/318000
Abstract: Within the family Solanaceae, Withania is a small genus belonging to the Solanoideae subfamily. Here, we report the de novo assembled chloroplast genome sequences of W. coagulans, W. adpressa, and W. riebeckii. The length of these genomes ranged from 154,162 to 154,364 base pairs (bp). These genomes contained a pair of inverted repeats (IRa and IRb) ranging from 25,029 to 25,071 bp that were separated by a large single-copy (LSC) region of 85,635-85,765 bp and a small single-copy (SSC) region of 18,457-18,469 bp. We analyzed the structural organization, gene content and order, guanine-cytosine content, codon usage, RNA-editing sites, microsatellites, oligonucleotide and tandem repeats, and substitutions of Withania plastomes, which revealed high similarities among the species. Comparative analysis among the Withania species also highlighted 10 divergent hotspots that could potentially be used for molecular marker development, phylogenetic analysis, and species identification. Furthermore, our analyses showed that even three mutational hotspots (rps4-trnT, trnM-atpE, and rps15) were sufficient to discriminate the Withania species included in current study.
Subject: 1181 Ecology, evolutionary biology
ashwagandha
chloroplast genome
indels
medicinal plants
mutational hotspots
phylogenomics
Solanaceae
substitutions
Withania
CHLOROPLAST GENOME
PHYLOGENETIC ANALYSIS
GENES
MODEL
WILD
ORGANIZATION
ANGIOSPERMS
SOMNIFERA
SELECTION
DYNAMICS
317 Pharmacy
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