Cybrid Model Supports Mitochondrial Genetic Effect on Pig Litter Size.
cybrid
genetic effect
litter size
mitochondrial DNA
pig
Journal
Frontiers in genetics
ISSN: 1664-8021
Titre abrégé: Front Genet
Pays: Switzerland
ID NLM: 101560621
Informations de publication
Date de publication:
2020
2020
Historique:
received:
02
07
2020
accepted:
23
11
2020
entrez:
1
1
2021
pubmed:
2
1
2021
medline:
2
1
2021
Statut:
epublish
Résumé
In pigs, mitochondrial DNA (mtDNA) polymorphism and the correlation to reproductive performance across breeds and individuals have been largely reported, however, experimental proof has never been provided. In this study, we analyzed 807 sows for correlation of total number born (TNB) and mitotype, which presented the maximum of 1.73 piglets for mtDNA contribution. Cybrid models representing different mitotypes were generated for identification of the mtDNA effect. Results indicated significant differences on cellular and molecular characteristics among cybrids, including energy metabolic traits, mtDNA copy numbers and transcriptions, mRNA and protein expressions on mitochondrial biogenesis genes and reproduction-related genes. Referring to mitotypes, the cybrids with prolific mitotypes presented significantly higher oxygen consumption rate (OCR) productions, mtDNA transcriptions and copy numbers than those with common mitotypes, while both mRNA and protein expressions of
Identifiants
pubmed: 33384712
doi: 10.3389/fgene.2020.579382
pmc: PMC7770168
doi:
Types de publication
Journal Article
Langues
eng
Pagination
579382Informations de copyright
Copyright © 2020 Liu, Wang, Wang, Kong, Ning, Zhang, Xiao, Zhang, Liu and Zhao.
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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