ArticleBMC genetics2015
The chromosomal constitution of fish hybrid lineage revealed by 5S rDNA FISH.
Article in BMC genetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 30 citations in OpenAlex.
- Chromosomal rDNA Distribution Patterns in ClonalGenes · 2025Article
- Formation of the synaptonemal complex in a gynogenetic allodiploid hybrid fish.Frontiers in genetics · 2023Article
- An evolutionarily conserved mechanism that amplifies the effect of deleterious mutations in osteosarcoma.Molecular genetics and genomics : MGG · 2022Article
- Taxonomic Diversity Not Associated with Gross Karyotype Differentiation: The Case of Bighead Carps, GenusGenes · 2020Article
- Article
- Comparative analyses of the Sox9a-Amh-Cyp19a1a regulatory Cascade in Autotetraploid fish and its diploid parent.BMC genetics · 2020Article
- Article
- Identification and characterization of karyotype in Passiflora hybrids using FISH and GISH.BMC genetics · 2018Article
- Chromosomes of Asian cyprinid fishes: cytogenetic analysis of two representatives of small paleotetraploid tribe Probarbini.Molecular cytogenetics · 2018Article
- Variations in 5S rDNAs in diploid and tetraploid offspring of red crucian carp × common carp.BMC genetics · 2017Article
- Unique nucleolar dominance patterns in distant hybrid lineage derived from Megalobrama Amblycephala × Culter Alburnus.BMC genetics · 2016Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe establishment of the bisexual fertile fish hybrid lineage including the allodiploid and allotetraploid hybrids, from interspecific hybridization of red crucian carp (Carassius auratus red var. 2n = 100, 2n = AA) (♀) × common carp (Cyprinus carpio L. 2n = 100, 2n = BB) (♂), provided a good platform to investigate genetic relationship between the parents and their hybrid progenies.
resultsThe chromosomal inheritance of diploid and allotetraploid hybrid progenies in successive generations, was studied by applying 5S rDNA fluorescence in situ hybridization. Signals of 5S rDNA distinguished the chromosomal constitution of common carp (B-genome) from red crucian carp (A-genome), in which two strong signals were observed on the first submetacentric chromosome, while no major signal was found in common carp. After fish hybridization, one strong signal of 5S rDNA was detected in the same locus on the chromosome of diploid hybrids. As expected, two strong signals were observed in 4nF3 tetraploid hybrids offspring and it is worth mentioning that two strong signals were detected in a separating bivalent of a primary spermatocyte in 4nF3. Furthermore, the mitosis of heterozygous chromosomes was shown normal and stable with blastular tissue histological studies.
conclusionsWe revealed that 5S rDNA signal can be applied to discern A-genome from B-genome, and that 5S rDNA bearing chromosomes can be stably passed down in successive generations. Our work provided a significant method in fish breeding and this is important for studies in fish evolutionary biology.
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