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Parental pericentromeric methylation status drives methylome remodeling and heterosis in Arabidopsis hybrids [WGS]

ABSTRACT: Parental pericentromeric methylation status drives methylome remodeling and heterosis in Arabidopsis hybrids [WGS]

PROVIDER: PRJNA871887 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR21151727_1.fastq.gz	Fastqsanger.gz
	SRR21151727_2.fastq.gz	Fastqsanger.gz
	SRR21151728_1.fastq.gz	Fastqsanger.gz
	SRR21151728_2.fastq.gz	Fastqsanger.gz

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Parental pericentromeric methylation status drives methylome remodeling and heterosis in Arabidopsis hybrids

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Parental pericentromeric methylation status drives methylome remodeling and heterosis in Arabidopsis hybrids [Transcriptome]

Project description:Parental pericentromeric methylation status drives methylome remodeling and heterosis in Arabidopsis hybrids [Transcriptome]

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Parental pericentromeric methylation status drives methylome remodeling and heterosis in Arabidopsis hybrids [smallRNAseq]

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Parental pericentromeric methylation status drives methylome remodeling and heterosis in Arabidopsis hybrids [WGS]

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Transcritome provides insights into predicting the heterosis level

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Protein nonadditivity and stability contribute to heterosis in Arabidopsis hybrids and allotetraploids

Project description:Hybrid vigor or heterosis has been widely applied in agriculture and extensively studied at the genetic and gene expression levels. However, the biochemical mechanism underlying heterosis remains elusive. One theory suggests that a decrease in protein aggregation may occur in hybrids due to the presence of protein variants between parental alleles, but it has not been experimentally tested. Here, we report comparative analysis of soluble and insoluble proteomes in Arabidopsis intraspecific and interspecific hybrids or allotetraploids formed between A. thaliana and A. arenosa. Both intraspecific hybrids and interspecific allotetraploids displayed non-additivity of the expressed proteins, including many biotic and abiotic stress-responsive proteins. In the allotetraploids, homoeolog-expression bias was not observed among all proteins examined but could occur among 17-20% of the nonadditively expressed proteins with more A. thaliana-biased than A. arenosa-biased homoeologs, consistent with the transcriptome results. Analysis of the insoluble and soluble proteomes revealed more soluble proteins in the hybrids than their parents but not in allotetraploids. Most proteins in ribosomal biosynthesis and in the thylakoid lumen, membrane, and stroma, were in the soluble fractions, indicating a role of protein stability in photosynthetic activities for promoting growth. Together, these results support roles for nonadditive expression of stress-responsive proteins and reduction of protein biosynthesis in mediating heterosis in Arabidopsis hybrids and allotetraploids.

2022-06-17 | MSV000089682 | MassIVE

Parental pericentromeric methylation status drives methylome remodeling and heterosis in Arabidopsis hybrids

Project description:This SuperSeries is composed of the SubSeries listed below.

2024-01-26 | GSE211719 | GEO

Project description:Expression profiling analyses for 5 maize inbreds and 4 hybrids, chosen to represent diversity in genotypes and heterosis responses, revealed a correlation between genetic diversity and transcriptional variation. The majority of differentially expressed genes in each of the different hybrids exhibited additive expression patterns, and ~25% exhibited statistically significant non-additive expression profiles. Among the non-additive profiles, ~80% exhibited hybrid expression levels between the parental levels, ~20% exhibited hybrid expression levels at the parental levels and ~1% exhibited hybrid levels outside the parental range. These findings indicate that the frequencies of additive and non-additive expression patterns are very similar across a range of hybrid lines. Keywords: Genotype comparison series

2008-01-26 | GSE10236 | GEO

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