Uniparental expression of ribosomal RNA in ×
Festuca
Lolium
fluorescent in situ hybridization
genome dominance
genomic in situ hybridization
internal transcribed spacer
nucleolar dominance
ribosomal DNA
Journal
Frontiers in plant science
ISSN: 1664-462X
Titre abrégé: Front Plant Sci
Pays: Switzerland
ID NLM: 101568200
Informations de publication
Date de publication:
2023
2023
Historique:
received:
11
08
2023
accepted:
30
08
2023
medline:
4
10
2023
pubmed:
4
10
2023
entrez:
4
10
2023
Statut:
epublish
Résumé
Genome or genomic dominance (GD) is a phenomenon observed in hybrids when one parental genome becomes dominant over the other. It is manifested by the replacement of chromatin of the submissive genome by that of the dominant genome and by biased gene expression. Nucleolar dominance (ND) - the functional expression of only one parental set of ribosomal genes in hybrids - is another example of an intragenomic competitive process which, however, concerns ribosomal DNA only. Although GD and ND are relatively well understood, the nature and extent of their potential interdependence is mostly unknown. Here, we ask whether hybrids showing GD also exhibit ND and, if so, whether the dominant genome is the same. To test this, we used hybrids between
Identifiants
pubmed: 37790792
doi: 10.3389/fpls.2023.1276252
pmc: PMC10544908
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1276252Informations de copyright
Copyright © 2023 Mahelka, Kopecký, Majka and Krak.
Déclaration de conflit d'intérêts
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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