Genetic Diversity in Oilseed and Vegetable Mustard (<i>Brassica juncea</i> L.) Accessions Revealed by Nuclear and Mitochondrial Molecular Markers

Genetic diversity analysis is a fundamental work for effective management and utilization of plant germplasm. <i>Brassica juncea</i> is an economically important crop, including both oilseed and vegetable types. In the present study, a total of 99 accessions of Brassicaceae family, inclu...

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Main Authors: Dongsuo Zhang, Haibo Yu, Lianliang Gao, Jing Wang, Hui Dong, Yuan Guo, Shengwu Hu
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Agronomy
Subjects:
Online Access:https://www.mdpi.com/2073-4395/13/3/919
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author Dongsuo Zhang
Haibo Yu
Lianliang Gao
Jing Wang
Hui Dong
Yuan Guo
Shengwu Hu
author_facet Dongsuo Zhang
Haibo Yu
Lianliang Gao
Jing Wang
Hui Dong
Yuan Guo
Shengwu Hu
author_sort Dongsuo Zhang
collection DOAJ
description Genetic diversity analysis is a fundamental work for effective management and utilization of plant germplasm. <i>Brassica juncea</i> is an economically important crop, including both oilseed and vegetable types. In the present study, a total of 99 accessions of Brassicaceae family, including 84 mustard (50 oilseed and 34 vegetable types) in China and 15 other Brassicaceae accessions were evaluated for their genetic diversity using nuclear and mitochondrial molecular markers. All accessions were evaluated using 18 simple sequence repeats, 20 sequence related amplified polymorphisms, and 7 intron-exon splice junction primers, and in total, 232 polymorphic fragments were obtained. The unweighted pair-group method with arithmetic mean cluster analysis indicated that all accessions could be divided into three major clusters, with cluster I including all 50 oilseed mustard, cluster II including 34 vegetable mustard, and cluster III containing 15 other Brassicaceae accessions. The results of principal component analysis and population structure analysis were in accordance with the cluster result. Molecular variance analysis revealed that the genetic variation was 34.07% among populations and 65.93% within <i>Brassica</i> species, which indicates existence of considerable genetic variation among oilseed and vegetable <i>B</i>. <i>juncea</i> species. Based on an InDel and a SNP locus reported in <i>B</i>. <i>juncea</i> mitochondrial genome, all the 84 <i>B</i>. <i>juncea</i> mitochondrial genomes were divided into three mitotypes (MTs1-3), 22 accessions of MT1, 20 accessions of MT2, and 42 accessions of MT3. In addition, the results of the modified multiplex PCR, Indel and SNP could identify <i>pol</i>-, <i>cam</i>-, <i>nap-</i> (or MT4), <i>Bol</i>-, <i>Bni</i>-, <i>Esa</i>-, and <i>In</i>-cytoplasmic types in 15 other Brassicaceae accessions. Together, oilseed and vegetable <i>B. juncea</i> can be used for broadening the genetic background for each other.
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spelling doaj.art-9364d593f3b44e878a88985f6e6c110e2023-11-17T09:08:10ZengMDPI AGAgronomy2073-43952023-03-0113391910.3390/agronomy13030919Genetic Diversity in Oilseed and Vegetable Mustard (<i>Brassica juncea</i> L.) Accessions Revealed by Nuclear and Mitochondrial Molecular MarkersDongsuo Zhang0Haibo Yu1Lianliang Gao2Jing Wang3Hui Dong4Yuan Guo5Shengwu Hu6State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, ChinaState Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, ChinaState Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, ChinaState Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, ChinaState Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, ChinaState Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, ChinaState Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A&F University, Yangling 712100, ChinaGenetic diversity analysis is a fundamental work for effective management and utilization of plant germplasm. <i>Brassica juncea</i> is an economically important crop, including both oilseed and vegetable types. In the present study, a total of 99 accessions of Brassicaceae family, including 84 mustard (50 oilseed and 34 vegetable types) in China and 15 other Brassicaceae accessions were evaluated for their genetic diversity using nuclear and mitochondrial molecular markers. All accessions were evaluated using 18 simple sequence repeats, 20 sequence related amplified polymorphisms, and 7 intron-exon splice junction primers, and in total, 232 polymorphic fragments were obtained. The unweighted pair-group method with arithmetic mean cluster analysis indicated that all accessions could be divided into three major clusters, with cluster I including all 50 oilseed mustard, cluster II including 34 vegetable mustard, and cluster III containing 15 other Brassicaceae accessions. The results of principal component analysis and population structure analysis were in accordance with the cluster result. Molecular variance analysis revealed that the genetic variation was 34.07% among populations and 65.93% within <i>Brassica</i> species, which indicates existence of considerable genetic variation among oilseed and vegetable <i>B</i>. <i>juncea</i> species. Based on an InDel and a SNP locus reported in <i>B</i>. <i>juncea</i> mitochondrial genome, all the 84 <i>B</i>. <i>juncea</i> mitochondrial genomes were divided into three mitotypes (MTs1-3), 22 accessions of MT1, 20 accessions of MT2, and 42 accessions of MT3. In addition, the results of the modified multiplex PCR, Indel and SNP could identify <i>pol</i>-, <i>cam</i>-, <i>nap-</i> (or MT4), <i>Bol</i>-, <i>Bni</i>-, <i>Esa</i>-, and <i>In</i>-cytoplasmic types in 15 other Brassicaceae accessions. Together, oilseed and vegetable <i>B. juncea</i> can be used for broadening the genetic background for each other.https://www.mdpi.com/2073-4395/13/3/919<i>Brassica juncea</i> L.genetic variationsimple sequence repeatsequence related amplified polymorphismintron-exon splice junction markersInDel
spellingShingle Dongsuo Zhang
Haibo Yu
Lianliang Gao
Jing Wang
Hui Dong
Yuan Guo
Shengwu Hu
Genetic Diversity in Oilseed and Vegetable Mustard (<i>Brassica juncea</i> L.) Accessions Revealed by Nuclear and Mitochondrial Molecular Markers
Agronomy
<i>Brassica juncea</i> L.
genetic variation
simple sequence repeat
sequence related amplified polymorphism
intron-exon splice junction markers
InDel
title Genetic Diversity in Oilseed and Vegetable Mustard (<i>Brassica juncea</i> L.) Accessions Revealed by Nuclear and Mitochondrial Molecular Markers
title_full Genetic Diversity in Oilseed and Vegetable Mustard (<i>Brassica juncea</i> L.) Accessions Revealed by Nuclear and Mitochondrial Molecular Markers
title_fullStr Genetic Diversity in Oilseed and Vegetable Mustard (<i>Brassica juncea</i> L.) Accessions Revealed by Nuclear and Mitochondrial Molecular Markers
title_full_unstemmed Genetic Diversity in Oilseed and Vegetable Mustard (<i>Brassica juncea</i> L.) Accessions Revealed by Nuclear and Mitochondrial Molecular Markers
title_short Genetic Diversity in Oilseed and Vegetable Mustard (<i>Brassica juncea</i> L.) Accessions Revealed by Nuclear and Mitochondrial Molecular Markers
title_sort genetic diversity in oilseed and vegetable mustard i brassica juncea i l accessions revealed by nuclear and mitochondrial molecular markers
topic <i>Brassica juncea</i> L.
genetic variation
simple sequence repeat
sequence related amplified polymorphism
intron-exon splice junction markers
InDel
url https://www.mdpi.com/2073-4395/13/3/919
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