ArticleFrontiers in genetics2019
Nonadditive and Asymmetric Allelic Expression of Growth Hormone in Hybrid Tilapia.
Article in Frontiers in genetics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 24 citations in OpenAlex.
- Multi-omics interrogation of herbivorous phenotype acquisition in hybrid culter under a 30% crude protein diet.BMC genomics · 2025Article
- DNA Methylation and Subgenome Dominance Reveal the Role of Lipid Metabolism in Jinhu Grouper Heterosis.International journal of molecular sciences · 2024Article
- Non-Additive and Asymmetric Allelic Expression ofAnimals : an open access journal from MDPI · 2024Article
- Gene expression analyses of GH/IGF axis in triploid crucian carp with growth heterosis.Frontiers in endocrinology · 2024Article
- The myxozoan parasiteParasitology · 2023Article
- Nonadditive and allele-specific expression of ghrelin in hybrid tilapia.Frontiers in endocrinology · 2023Article
- Integration of mRNA and miRNA Profiling Reveals Heterosis inAnimals : an open access journal from MDPI · 2022Article
- Localization of RNA Pol II CTD (S5) and Transcriptome Analysis of Testis in Diploid and Tetraploid Hybrids of Red Crucian Carp (♀) × Common Carp (♂).Frontiers in genetics · 2021Article
- A Chromosome-Level Genome Assembly of Mozambique Tilapia (Frontiers in genetics · 2021Article
Corrections and comments
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Authors and funding
11 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Hybridization is a common breeding technique that can improve germplasm through heterosis in aquaculture. However, the regulation of key gene expression, including the details of transcriptional level changes at the beginning of hybridization events, remains largely undefined, especially in teleosts. In this study, by interspecies crossing between two pure lines of Nile tilapia and blue tilapia, we obtained a hybrid tilapia population as a model to elucidate heterosis, and we traced the molecular outcomes of growth hormone (GH) expression and allele-specific expression (ASE) in hybrids. The hybrids display growth vigor compared to their parents in the 120-day growth trial. GH mRNA expression was uniquely expressed in the pituitary. Higher GH expression was found in the hybrid than the midparent value, in both males and females, showing a nonadditive pattern. We identified four single-nucleotide polymorphism sites between Nile tilapia and blue tilapia. Subsequently, by pyrosequencing, we found asymmetric allelic expression in hybrids with higher maternal allelic transcript ratios in both males and females. Fasting significantly increased GH expression in hybrids, but asymmetric allelic expression was not affected by feeding or fasting conditions. Finally, we identified
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