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Cis-eQTLs in seven duck tissues identify novel candidate genes for growth and carcass traits

Cai, Wentao ; Hu, Jian ; Zhang, Yunsheng ; Guo, Zhanbao ; Zhou, Zhengkui ; Hou, Shuisheng

BMC genomics, 2024-04, Vol.25 (1), p.429-429 [Periódico revisado por pares]

England: BioMed Central Ltd

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Título:
Cis-eQTLs in seven duck tissues identify novel candidate genes for growth and carcass traits
Autor: Cai, Wentao ; Hu, Jian ; Zhang, Yunsheng ; Guo, Zhanbao ; Zhou, Zhengkui ; Hou, Shuisheng
Assuntos: Animals ; Aquatic birds ; Availability ; Blood ; Carcass traits ; Carcasses ; Colocalization ; Confounding (Statistics) ; DNA sequences ; Duck ; Ducks ; Ducks - genetics ; Ducks - growth & development ; Ducks - metabolism ; eQTLs ; Evaluation ; Gene expression ; Gene loci ; Gene mapping ; Gene sequencing ; Genes ; Genetic aspects ; Genetic diversity ; Genetic variance ; Genome-wide association studies ; Genome-Wide Association Study ; Genomes ; Genotype & phenotype ; Growth ; GWAS ; Liver ; Mapping ; Muscles ; Organ Specificity - genetics ; Ovaries ; Phenotype ; Physiological aspects ; Polymorphism, Single Nucleotide ; Quantitative Trait Loci ; RNA sequencing ; Spleen ; Tissue ; Tissues ; Waterfowl
É parte de: BMC genomics, 2024-04, Vol.25 (1), p.429-429
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Expression quantitative trait loci (eQTL) studies aim to understand the influence of genetic variants on gene expression. The colocalization of eQTL mapping and GWAS strategy could help identify essential candidate genes and causal DNA variants vital to complex traits in human and many farm animals. However, eQTL mapping has not been conducted in ducks. It is desirable to know whether eQTLs within GWAS signals contributed to duck economic traits. In this study, we conducted an eQTL analysis using publicly available RNA sequencing data from 820 samples, focusing on liver, muscle, blood, adipose, ovary, spleen, and lung tissues. We identified 113,374 cis-eQTLs for 12,266 genes, a substantial fraction 39.1% of which were discovered in at least two tissues. The cis-eQTLs of blood were less conserved across tissues, while cis-eQTLs from any tissue exhibit a strong sharing pattern to liver tissue. Colocalization between cis-eQTLs and genome-wide association studies (GWAS) of 50 traits uncovered new associations between gene expression and potential loci influencing growth and carcass traits. SRSF4, GSS, and IGF2BP1 in liver, NDUFC2 in muscle, ELF3 in adipose, and RUNDC1 in blood could serve as the candidate genes for duck growth and carcass traits. Our findings highlight substantial differences in genetic regulation of gene expression across duck primary tissues, shedding light on potential mechanisms through which candidate genes may impact growth and carcass traits. Furthermore, this availability of eQTL data offers a valuable resource for deciphering further genetic association signals that may arise from ongoing extensive endeavors aimed at enhancing duck production traits.
Editor: England: BioMed Central Ltd
Idioma: Inglês

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Cis-eQTLs in seven duck tissues identify novel candidate genes for growth and carcass traits

Cai, Wentao ; Hu, Jian ; Zhang, Yunsheng ; Guo, Zhanbao ; Zhou, Zhengkui ; Hou, Shuisheng

England: BioMed Central Ltd

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