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Maternal Donor and Genetic Variation of Lagerstroemia indica Cultivars

Lagerstroemia indica L. is a well-known ornamental plant with large pyramidal racemes, long flower duration, and diverse colors and cultivars. It has been cultivated for nearly 1600 years and is essential for investigating the germplasm and assessing genetic variation to support international cultiv...

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Autores principales: Guo, Chang, Liu, Kangjia, Li, Enze, Chen, Yifeng, He, Jiayao, Li, Wenying, Dong, Wenpan, Suo, Zhili
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9964644/
https://www.ncbi.nlm.nih.gov/pubmed/36835020
http://dx.doi.org/10.3390/ijms24043606
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author Guo, Chang
Liu, Kangjia
Li, Enze
Chen, Yifeng
He, Jiayao
Li, Wenying
Dong, Wenpan
Suo, Zhili
author_facet Guo, Chang
Liu, Kangjia
Li, Enze
Chen, Yifeng
He, Jiayao
Li, Wenying
Dong, Wenpan
Suo, Zhili
author_sort Guo, Chang
collection PubMed
description Lagerstroemia indica L. is a well-known ornamental plant with large pyramidal racemes, long flower duration, and diverse colors and cultivars. It has been cultivated for nearly 1600 years and is essential for investigating the germplasm and assessing genetic variation to support international cultivar identification and breeding programs. In this study, 20 common Lagerstroemia indica cultivars from different varietal groups and flower morphologies, as well as multiple wild relative species, were analyzed to investigate the maternal donor of Lagerstroemia indica cultivars and to discover the genetic variation and relationships among cultivars based on plastome and nuclear ribosomal DNA (nrDNA) sequences. A total of 47 single nucleotide polymorphisms (SNPs) and 24 insertion/deletions (indels) were identified in the 20 L. indica cultivars’ plastome and 25 SNPs were identified in the nrDNA. Phylogenetic analysis based on the plastome sequences showed that all the cultivars formed a clade with the species of L. indica, indicating that L. indica was the maternal donor of the cultivars. Population structure and PCA analyses supported two clades of cultivars, which exhibited significant genetic differences according to the plastome dataset. The results of the nrDNA supported that all 20 cultivars were divided into three clades and most of the cultivars had at least two genetic backgrounds and higher gene flow. Our results suggest that the plastome and nrDNA sequences can be used as molecular markers for assessing the genetic variation and relationships of L. indica cultivars.
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spelling pubmed-99646442023-02-26 Maternal Donor and Genetic Variation of Lagerstroemia indica Cultivars Guo, Chang Liu, Kangjia Li, Enze Chen, Yifeng He, Jiayao Li, Wenying Dong, Wenpan Suo, Zhili Int J Mol Sci Article Lagerstroemia indica L. is a well-known ornamental plant with large pyramidal racemes, long flower duration, and diverse colors and cultivars. It has been cultivated for nearly 1600 years and is essential for investigating the germplasm and assessing genetic variation to support international cultivar identification and breeding programs. In this study, 20 common Lagerstroemia indica cultivars from different varietal groups and flower morphologies, as well as multiple wild relative species, were analyzed to investigate the maternal donor of Lagerstroemia indica cultivars and to discover the genetic variation and relationships among cultivars based on plastome and nuclear ribosomal DNA (nrDNA) sequences. A total of 47 single nucleotide polymorphisms (SNPs) and 24 insertion/deletions (indels) were identified in the 20 L. indica cultivars’ plastome and 25 SNPs were identified in the nrDNA. Phylogenetic analysis based on the plastome sequences showed that all the cultivars formed a clade with the species of L. indica, indicating that L. indica was the maternal donor of the cultivars. Population structure and PCA analyses supported two clades of cultivars, which exhibited significant genetic differences according to the plastome dataset. The results of the nrDNA supported that all 20 cultivars were divided into three clades and most of the cultivars had at least two genetic backgrounds and higher gene flow. Our results suggest that the plastome and nrDNA sequences can be used as molecular markers for assessing the genetic variation and relationships of L. indica cultivars. MDPI 2023-02-10 /pmc/articles/PMC9964644/ /pubmed/36835020 http://dx.doi.org/10.3390/ijms24043606 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Guo, Chang
Liu, Kangjia
Li, Enze
Chen, Yifeng
He, Jiayao
Li, Wenying
Dong, Wenpan
Suo, Zhili
Maternal Donor and Genetic Variation of Lagerstroemia indica Cultivars
title Maternal Donor and Genetic Variation of Lagerstroemia indica Cultivars
title_full Maternal Donor and Genetic Variation of Lagerstroemia indica Cultivars
title_fullStr Maternal Donor and Genetic Variation of Lagerstroemia indica Cultivars
title_full_unstemmed Maternal Donor and Genetic Variation of Lagerstroemia indica Cultivars
title_short Maternal Donor and Genetic Variation of Lagerstroemia indica Cultivars
title_sort maternal donor and genetic variation of lagerstroemia indica cultivars
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9964644/
https://www.ncbi.nlm.nih.gov/pubmed/36835020
http://dx.doi.org/10.3390/ijms24043606
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