Asymmetric Divergence in Transmitted SNPs of DNA Replication/Transcription and Their Impact on Gene Expression in Polyploid Brassica napus

The marked increase in plant genomic data has provided valuable resources for investigating the dynamic evolution of duplicate genes in polyploidy. Brassica napus is an ideal model species for investigating polyploid genome evolution. The present study comprehensively analyzed DNA and RNA variation...

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Autores principales:	Minqiang Tang, Juanling Li, Xu Hu, Lu Sun, MMU Helal, Jianguo Chen, Yuanyuan Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	polyploidization gene expression dominance asymmetrical evolution Brassica napus transmitted variation Genetics QH426-470
Acceso en línea:	https://doaj.org/article/387ff42ef4514e2b88a734cdb938d57f
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spelling	oai:doaj.org-article:387ff42ef4514e2b88a734cdb938d57f2021-11-11T10:21:30ZAsymmetric Divergence in Transmitted SNPs of DNA Replication/Transcription and Their Impact on Gene Expression in Polyploid Brassica napus1664-802110.3389/fgene.2021.756172https://doaj.org/article/387ff42ef4514e2b88a734cdb938d57f2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fgene.2021.756172/fullhttps://doaj.org/toc/1664-8021The marked increase in plant genomic data has provided valuable resources for investigating the dynamic evolution of duplicate genes in polyploidy. Brassica napus is an ideal model species for investigating polyploid genome evolution. The present study comprehensively analyzed DNA and RNA variation of two representative B. napus inbredlines, Zhongshuang11 and Zhongyou821, and we investigated gene expression levels of An and Cn subgenomes in multiple tissues of the two lines. The distribution of transmitted single nucleotide polymorphisms (SNPs) was significantly different in two subgenomes of B. napus. Gene expression levels were significantly negatively correlated with number of variations in replication and transcription of the corresponding genes, but were positively correlated with the ratios of transmitted SNPs from DNA to RNA. We found a higher density of SNP variation in An than that in Cn during DNA replication and more SNPs were transmitted to RNA during transcription, which may contribute to An expression dominance. These activities resulted in asymmetrical gene expression in polyploid B. napus. The SNPs transmitted from DNA to RNA could be an important complement feature in comparative genomics, and they may play important roles in asymmetrical genome evolution in polyploidy.Minqiang TangJuanling LiXu HuLu SunMMU HelalJianguo ChenYuanyuan ZhangFrontiers Media S.A.articlepolyploidizationgene expression dominanceasymmetrical evolutionBrassica napustransmitted variationGeneticsQH426-470ENFrontiers in Genetics, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	polyploidization gene expression dominance asymmetrical evolution Brassica napus transmitted variation Genetics QH426-470
spellingShingle	polyploidization gene expression dominance asymmetrical evolution Brassica napus transmitted variation Genetics QH426-470 Minqiang Tang Juanling Li Xu Hu Lu Sun MMU Helal Jianguo Chen Yuanyuan Zhang Asymmetric Divergence in Transmitted SNPs of DNA Replication/Transcription and Their Impact on Gene Expression in Polyploid Brassica napus
description	The marked increase in plant genomic data has provided valuable resources for investigating the dynamic evolution of duplicate genes in polyploidy. Brassica napus is an ideal model species for investigating polyploid genome evolution. The present study comprehensively analyzed DNA and RNA variation of two representative B. napus inbredlines, Zhongshuang11 and Zhongyou821, and we investigated gene expression levels of An and Cn subgenomes in multiple tissues of the two lines. The distribution of transmitted single nucleotide polymorphisms (SNPs) was significantly different in two subgenomes of B. napus. Gene expression levels were significantly negatively correlated with number of variations in replication and transcription of the corresponding genes, but were positively correlated with the ratios of transmitted SNPs from DNA to RNA. We found a higher density of SNP variation in An than that in Cn during DNA replication and more SNPs were transmitted to RNA during transcription, which may contribute to An expression dominance. These activities resulted in asymmetrical gene expression in polyploid B. napus. The SNPs transmitted from DNA to RNA could be an important complement feature in comparative genomics, and they may play important roles in asymmetrical genome evolution in polyploidy.
format	article
author	Minqiang Tang Juanling Li Xu Hu Lu Sun MMU Helal Jianguo Chen Yuanyuan Zhang
author_facet	Minqiang Tang Juanling Li Xu Hu Lu Sun MMU Helal Jianguo Chen Yuanyuan Zhang
author_sort	Minqiang Tang
title	Asymmetric Divergence in Transmitted SNPs of DNA Replication/Transcription and Their Impact on Gene Expression in Polyploid Brassica napus
title_short	Asymmetric Divergence in Transmitted SNPs of DNA Replication/Transcription and Their Impact on Gene Expression in Polyploid Brassica napus
title_full	Asymmetric Divergence in Transmitted SNPs of DNA Replication/Transcription and Their Impact on Gene Expression in Polyploid Brassica napus
title_fullStr	Asymmetric Divergence in Transmitted SNPs of DNA Replication/Transcription and Their Impact on Gene Expression in Polyploid Brassica napus
title_full_unstemmed	Asymmetric Divergence in Transmitted SNPs of DNA Replication/Transcription and Their Impact on Gene Expression in Polyploid Brassica napus
title_sort	asymmetric divergence in transmitted snps of dna replication/transcription and their impact on gene expression in polyploid brassica napus
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/387ff42ef4514e2b88a734cdb938d57f
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Asymmetric Divergence in Transmitted SNPs of DNA Replication/Transcription and Their Impact on Gene Expression in Polyploid Brassica napus

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