ArticlePlant biotechnology journal2020
Genome-wide analysis of epigenetic and transcriptional changes associated with heterosis in pigeonpea.
Article in Plant biotechnology journal, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed.
- Chromatin accessibility landscape and its association with heterosis in maize hybrids.Nature communications · 2026Article
- Decoding epigenetic drived heterosis in upland cotton (Gossypium hirsutum L.) through Multi-omics integration.Functional & integrative genomics · 2026Article
- 24-nt-phasiRNA associated CHG/CHH DNA methylation contributes to growth heterosis ofForestry research · 2026Article
- DNA methylation in plant heterosis: mechanisms and prospects.Functional & integrative genomics · 2025Review
- Impacts of parental genomic divergence in non-syntenic regions on cotton heterosis.Journal of advanced research · 2025Article
- Epigenetics in the modern era of crop improvements.Science China. Life sciences · 2025Review
- Non-Additive Gene Expression in Carbon and Nitrogen Metabolism Drives Growth Heterosis in Populus deltoides.Plant, cell & environment · 2025Article
- Article
- Chromosome-scale reference genome of an ancient landrace: unveiling the genetic basis of seed weight in the food legume crop pigeonpea (Horticulture research · 2024Article
- Insights into heterosis from histone modifications in the flag leaf of inter-subspecific hybrid rice.BMC plant biology · 2024Article
- A high-quality haplotype genome of Michelia alba DC reveals differences in methylation patterns and flower characteristics.Molecular horticulture · 2024Article
- Mapping parental DMRs predictive of local and distal methylome remodeling in epigenetic F1 hybrids.Life science alliance · 2024Article
- Review
- Dynamic patterns of gene expressional and regulatory variations in cotton heterosis.Frontiers in plant science · 2024Article
- Comparative transcriptomic analysis reveals the molecular mechanism underlying seedling heterosis and its relationship with hybrid contemporary seeds DNA methylation in soybean.Frontiers in plant science · 2024Article
- Dynamic roles of small RNAs and DNA methylation associated with heterosis in allotetraploid cotton (Gossypium hirsutum L.).BMC plant biology · 2023Article
- Integrated Multi-Omics Reveals Significant Roles of Non-Additively Expressed Small RNAs in Heterosis for Maize Plant Height.International journal of molecular sciences · 2023Article
- Genome-wide analysis of transcriptome and histone modifications inFrontiers in plant science · 2023Article
- Additive and non-additive epigenetic signatures of natural hybridization between fish species with different mating systems.Epigenetics · 2022Article
- Integrated analysis of DNA methylation, transcriptome, and global metabolites in interspecific heteroticiScience · 2022Article
Corrections and comments
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Authors and funding
20 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Hybrids are extensively used in agriculture to deliver an increase in yield, yet the molecular basis of heterosis is not well understood. Global DNA methylation analysis, transcriptome analysis and small RNA profiling were aimed to understand the epigenetic effect of the changes in gene expression level in the two hybrids and their parental lines. Increased DNA methylation was observed in both the hybrids as compared to their parents. This increased DNA methylation in hybrids showed that majority of the 24-nt siRNA clusters had higher expression in hybrids than the parents. Transcriptome analysis revealed that various phytohormones (auxin and salicylic acid) responsive hybrid-MPV DEGs were significantly altered in both the hybrids in comparison to MPV. DEGs associated with plant immunity and growth were overexpressed whereas DEGs associated with basal defence level were repressed. This antagonistic patterns of gene expression might contribute to the greater growth of the hybrids. It was also noticed that some common as well as unique changes in the regulatory pathways were associated with heterotic growth in both the hybrids. Approximately 70% and 67% of down-regulated hybrid-MPV DEGs were found to be differentially methylated in ICPH 2671 and ICPH 2740 hybrid, respectively. This reflected the association of epigenetic regulation in altered gene expressions. Our findings also revealed that miRNAs might play important roles in hybrid vigour in both the hybrids by regulating their target genes, especially in controlling plant growth and development, defence and stress response pathways. The above finding provides an insight into the molecular mechanism of pigeonpea heterosis.
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