Analysis of allele-specific expression using RNA-seq of the Korean native pig and Landrace reciprocal cross

OBJECTIVE: We tried to analyze allele-specific expression in the pig neocortex using bioinformatic analysis of high-throughput sequencing results from the parental genomes and offspring transcriptomes from reciprocal crosses between Korean Native and Landrace pigs

Bibliographische Detailangaben
Veröffentlicht in:Asian-Australasian journal of animal sciences. - 1998. - 32(2019), 12 vom: 01. Dez., Seite 1816-1825
1. Verfasser: Ahn, Byeongyong (VerfasserIn)
Weitere Verfasser: Choi, Min-Kyeung, Yum, Joori, Cho, In-Cheol, Kim, Jin-Hoi, Park, Chankyu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Asian-Australasian journal of animal sciences
Schlagworte:Journal Article Allele-specific Expression (ASE) Genomic Imprinting Korean Native Pigs Reciprocal Cross Swine
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520 |a OBJECTIVE: We tried to analyze allele-specific expression in the pig neocortex using bioinformatic analysis of high-throughput sequencing results from the parental genomes and offspring transcriptomes from reciprocal crosses between Korean Native and Landrace pigs 
520 |a METHODS: We carried out sequencing of parental genomes and offspring transcriptomes using next generation sequencing. We subsequently carried out genome scale identification of SNPs in two different ways using either individual genome mapping or joint genome mapping of the same breed parents that were used for the reciprocal crosses. Using parent-specific SNPs, allele-specifically expressed genes were analyzed 
520 |a RESULTS: Because of the low genome coverage (~4x) of the sequencing results, most SNPs were non-informative for parental lineage determination of the expressed alleles in the offspring and were thus excluded from our analysis. Consequently, 436 SNPs covering 336 genes were applicable to measure the imbalanced expression of paternal alleles in the offspring. By calculating the read ratios of parental alleles in the offspring, we identified seven genes showing allele-biased expression (P < 0.05) including three previously reported and four newly identified genes in this study 
520 |a CONCLUSION: The newly identified allele-specifically expressing genes in the neocortex of pigs should contribute to improving our knowledge on genomic imprinting in pigs. To our knowledge, this is the first study of allelic imbalance using high throughput analysis of both parental genomes and offspring transcriptomes of the reciprocal cross in outbred animals. Our study also showed the effect of the number of informative animals on the genome level investigation of allele-specific expression using RNA-seq analysis in livestock species 
650 4 |a Journal Article 
650 4 |a Allele-specific Expression (ASE) 
650 4 |a Genomic Imprinting 
650 4 |a Korean Native Pigs 
650 4 |a Reciprocal Cross 
650 4 |a Swine 
700 1 |a Choi, Min-Kyeung  |e verfasserin  |4 aut 
700 1 |a Yum, Joori  |e verfasserin  |4 aut 
700 1 |a Cho, In-Cheol  |e verfasserin  |4 aut 
700 1 |a Kim, Jin-Hoi  |e verfasserin  |4 aut 
700 1 |a Park, Chankyu  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Asian-Australasian journal of animal sciences  |d 1998  |g 32(2019), 12 vom: 01. Dez., Seite 1816-1825  |w (DE-627)NLM098195883  |x 1011-2367  |7 nnns 
773 1 8 |g volume:32  |g year:2019  |g number:12  |g day:01  |g month:12  |g pages:1816-1825 
856 4 0 |u http://dx.doi.org/10.5713/ajas.19.0097  |3 Volltext 
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