ArticleGenetics2005
Nonadditive gene expression in diploid and triploid hybrids of maize.
Article in Genetics, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 99 papers.
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Who cites it
99 citing papers in PubMed.
- Article
- Estimation of genetic parameters for growth and shell color traits in the tetraploid 'Haida No. 3' line of Pacific oysters (Magallana gigas) in China.Journal of applied genetics · 2026Article
- The incomplete dominance of gene expression controlled by Trans-eQTL hotspots contributes to heterosis in maize.Nature communications · 2026Article
- Asymmetric genome merging leads to gene expression novelty through nucleo-cytoplasmic disruptions and transcriptomic shock in Chlamydomonas triploids.The New phytologist · 2025Article
- Comparative Transcriptomic Analyses Reveal Differences in the Responses of Diploid and Triploid Eastern Oysters to Environmental Stress.Evolutionary applications · 2024Article
- Polyploidy in maize: from evolution to breeding.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Review
- Development of homozygous tetraploid potato and whole genome doubling-induced the enrichment of H3K27ac and potentially enhanced resistance to cold-induced sweetening in tubers.Horticulture research · 2023Article
- Comparative transcriptomics analysis at the key stage of maize ear development dissect heterosis.The plant genome · 2023Article
- Identification and Functional Prediction of CircRNAs in Leaves of F1 Hybrid Poplars with Different Growth Potential and Their Parents.International journal of molecular sciences · 2023Article
- Whole genome doubling-induced the enrichment of H3K27me3 in genes carrying specific TEs inFrontiers in genetics · 2023Article
- Nonadditive and allele-specific expression of ghrelin in hybrid tilapia.Frontiers in endocrinology · 2023Article
- Heterosis for capsacinoids accumulation in chili pepper hybrids is dependent on parent-of-origin effect.Scientific reports · 2022Article
- Nuclear-specific gene expression in heterokaryons of the filamentous ascomyceteProceedings. Biological sciences · 2022Article
- Heterosis of fitness and phenotypic variance in the evolution of a diploid gene regulatory network.PNAS nexus · 2022Article
- Nonadditive gene expression is correlated with nonadditive phenotypic expression in interspecific triploid hybrids of willow (Salix spp.).G3 (Bethesda, Md.) · 2022Article
- Incomplete genome doubling enables to consistently enhance plant growth for maximum biomass production by altering multiple transcript co-expression networks in potato.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Transcriptomic Variations and Network Hubs Controlling Seed Size and Weight During Maize Seed Development.Frontiers in plant science · 2022Article
- Impacts of environmental conditions, and allelic variation of cytosolic glutamine synthetase on maize hybrid kernel production.Communications biology · 2021Article
- Overdominance at the Gene Expression Level Plays a Critical Role in the Hybrid Root Growth ofInternational journal of molecular sciences · 2021Article
- Growth-regulating factor 5 (GRF5)-mediated gene regulatory network promotes leaf growth and expansion in poplar.The New phytologist · 2021Article
39 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The molecular basis of hybrid vigor (heterosis) has remained unknown despite the importance of this phenomenon in evolution and in practical breeding programs. To formulate a molecular basis of heterosis, an understanding of gene expression in inbred and hybrid states is needed. In this study, we examined the amount of various transcripts in hybrid and inbred individuals (B73 and Mo17) to determine whether the quantities of specific messenger RNAs were additive or nonadditive in the hybrids. Further, we examined the levels of the same transcripts in hybrid triploid individuals that had received unequal genomic contributions, one haploid genome from one parent and two from the other. If allelic expression were merely the additive value in hybrids from the two parents, the midparent values would be observed. Our study revealed that a substantial number of genes do not exhibit the midparent value of expression in hybrids. Instead, transcript levels in the diploid hybrids correlate negatively with the levels in diploid inbreds. Although transcript levels were clearly nonadditive, transcript levels in triploid hybrids were affected by genomic dosage.
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