ArticleBMC plant biology2018
Transcriptomic analyses reveal molecular mechanisms underlying growth heterosis and weakness of rubber tree seedlings.
Article in BMC plant biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- 24-nt-phasiRNA associated CHG/CHH DNA methylation contributes to growth heterosis ofForestry research · 2026Article
- Non-Additive Gene Expression in Carbon and Nitrogen Metabolism Drives Growth Heterosis in Populus deltoides.Plant, cell & environment · 2025Article
- Molecular Mechanisms of Heterosis and Its Applications in Tree Breeding: Progress and Perspectives.International journal of molecular sciences · 2024Review
- Molecular mechanisms of heterosis under drought stress in maize hybrids Zhengdan7137 and Zhengdan7153.Frontiers in plant science · 2024Article
- Transcriptome Analysis Reveals a Major Gene Expression Pattern and Important Metabolic Pathways in the Control of Heterosis in Chinese Cabbage.Plants (Basel, Switzerland) · 2023Article
- Dynamic analysis of Tapping Panel Dryness inHeliyon · 2022Article
- Gene expression variation explains maize seed germination heterosis.BMC plant biology · 2022Article
- Transcriptomic Characterization ofPlants (Basel, Switzerland) · 2022Article
- Comparative analysis of latex transcriptomes reveals the potential mechanisms underlying rubber molecular weight variations between the Hevea brasiliensis clones RRIM600 and Reyan7-33-97.BMC plant biology · 2021Article
- Integrated Analysis of mRNA and Non-coding RNA Transcriptome in Pepper (Frontiers in genetics · 2021Article
- Dynamic patterns of circular and linear RNAs in maize hybrid and parental lines.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Transcriptomic Profiling Provides Insights into Inbreeding Depression in Yesso Scallop Patinopecten yessoensis.Marine biotechnology (New York, N.Y.) · 2019Article
- Comparative transcriptome analysis provides key insights into seedling development in switchgrass (Biotechnology for biofuels · 2019Article
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10 authors.
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Abstract
backgroundBreeding rubber tree seedling with growth heterosis is vital for natural rubber production. It is the prerequisites for effectively utilizing growth heterosis to elucidate its molecular mechanisms, but the molecular mechanisms remain poorly understood in rubber tree. To elucidate seedling growth heterosis, we conducted comparative transcriptomic analyses between the two hybrids and their parents.
resultsBy identifying and comparing differently expressed genes (DEGs), we found that the hybrids (BT 3410 and WC 11) show significantly differential expression profiles from their parents (PR 107 and RRIM 600). In BT 3410-parent triad, 1092 (49.95%) and 1094 (50.05%) DEGs indicated clear underdominance or overdominance, respectively. Whereas in WC 11-parent triad, most DEGs (78.2%, 721) showed low- or high-parent dominance; 160 (17.35%) exhibited expression patterns that are not statistically distinguishable from additivity, and 8 (0.87%) and 33 (3.58%) DEGs exhibited underdominance and overdominance, respectively. Furthermore, some biological processes are differentially regulated between two hybrids. Interestingly, the pathway in response to stimulus is significantly downregulated and metabolic pathways are more highly regulated in BT 3410.
conclusionsTaken together, the genotypes, transcriptomes and biological pathways (especially, carbohydrate metabolism) are highly divergent between two hybrids, which may be associated with growth heterosis and weakness. Analyzing gene action models in hybrid-parent triads, we propose that overdominance may play important roles on growth heterosis, whereas dominance on hybrid weakness in rubber tree seedlings. These findings bring new insights into our understanding of growth heterosis of rubber tree seedling.
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