Porcine LMNA Is a Positional Candidate Gene Associated with Growth and Fat Deposition

Crosses between Korean and Landrace pigs have revealed a large quantitative trait loci (QTL) region for fat deposition in a region (89 cM) of porcine chromosome 4 (SSC4). To more finely map this QTL region and identify candidate genes for this trait, comparative mapping of pig and human chromosomes...

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Veröffentlicht in:Asian-Australasian journal of animal sciences. - 1998. - 25(2012), 12 vom: 24. Dez., Seite 1649-59
1. Verfasser: Choi, Bong Hwan (VerfasserIn)
Weitere Verfasser: Lee, Jung Sim, Lee, Seung Hwan, Kim, Seung Chang, Kim, Sang Wook, Kim, Kwan Suk, Lee, Jun Heon, Seong, Hwan Hoo, Kim, Tae Hun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Asian-Australasian journal of animal sciences
Schlagworte:Journal Article LMNA Linkage Mapping Pig QTL Mapping SSC4
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520 |a Crosses between Korean and Landrace pigs have revealed a large quantitative trait loci (QTL) region for fat deposition in a region (89 cM) of porcine chromosome 4 (SSC4). To more finely map this QTL region and identify candidate genes for this trait, comparative mapping of pig and human chromosomes was performed in the present study. A region in the human genome that corresponds to the porcine QTL region was identified in HSA1q21. Furthermore, the LMNA gene, which is tightly associated with fat augmentation in humans, was localized to this region. Radiation hybrid (RH) mapping using a Sus scrofa RH panel localized LMNA to a region of 90.3 cM in the porcine genome, distinct from microsatellite marker S0214 (87.3 cM). Two-point analysis showed that LMNA was linked to S0214, SW1996, and S0073 on SSC4 with logarithm (base 10) of odds scores of 20.98, 17.78, and 16.73, respectively. To clone the porcine LMNA gene and to delineate the genomic structure and sequences, including the 3'untranslated region (UTR), rapid amplification of cDNA ends was performed. The coding sequence of porcine LMNA consisted of 1,719 bp, flanked by a 5'UTR and a 3'UTR. Two synonymous single nucleotide polymorphisms (SNPs) were identified in exons 3 and 7. Association tests showed that the SNP located in exon 3 (A193A) was significantly associated with weight at 30 wks (p<0.01) and crude fat content (p<0.05). This association suggests that SNPs located in LMNA could be used for marker-assisted selection in pigs 
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650 4 |a LMNA 
650 4 |a Linkage Mapping 
650 4 |a Pig 
650 4 |a QTL Mapping 
650 4 |a SSC4 
700 1 |a Lee, Jung Sim  |e verfasserin  |4 aut 
700 1 |a Lee, Seung Hwan  |e verfasserin  |4 aut 
700 1 |a Kim, Seung Chang  |e verfasserin  |4 aut 
700 1 |a Kim, Sang Wook  |e verfasserin  |4 aut 
700 1 |a Kim, Kwan Suk  |e verfasserin  |4 aut 
700 1 |a Lee, Jun Heon  |e verfasserin  |4 aut 
700 1 |a Seong, Hwan Hoo  |e verfasserin  |4 aut 
700 1 |a Kim, Tae Hun  |e verfasserin  |4 aut 
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