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首页> 外文期刊>Czech Journal of Animal Science >QTL analysis for carcass composition and meat quality traits on SSC7q1.1-q1.4 region in Large White x Meishan F-2 pigs
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QTL analysis for carcass composition and meat quality traits on SSC7q1.1-q1.4 region in Large White x Meishan F-2 pigs

机译：大白×眉山F-2猪SSC7q1.1-q1.4区域car体组成和肉质性状的QTL分析

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摘要

Significant QTL for carcass and meat quality traits on Sus scrofa chromosome 7 (SSC7) were detected in various Meishan derived resource populations, especially on q1.1-q1.4 region. In order to confirm and narrow the QTL in this region, seven single-nucleotide polymorphisms (SNPs) and one insertion or deletion located in eight genes (BTNL1, SLC39A7, COL21A1, PPARD, GLP1R, MDFI, GNMT, and PLA2G7) were included for linkage mapping in a Large White x Meishan resource population, as well as two flanking microsatellite markers (SW2155 and SW352). Ten chromosome-wise significant QTL and two suggestive QTL were found. QTL affecting carcass weight and dressing percentage were mapped within the interval BTNL1 and SLC39A7. QTL for skin weight and percentage, bone weight and percentage in carcass were located between the interval PPARD and GLP1R. QTL for fat weight and percentage in carcass were detected between GNMT and PLA2G7 genes, while QTL for loin muscle width was found between GLP1R and MDFI. The results of this study will help to facilitate identifying the causative molecular genetic variation in this region.
机译：在梅山衍生的各种资源种群中，尤其是在q1.1-q1.4地区，检测到了Sus scrofa 7号染色体（SSC7）上car体和肉质性状的重要QTL。为了确认和缩小该区域的QTL，包括了七个单核苷酸多态性（SNP）和一个位于八个基因（BTNL1，SLC39A7，COL21A1，PPARD，GLP1R，MDFI，GNMT和PLA2G7）的插入或缺失。大白x眉山资源种群中的连锁图谱，以及两个侧翼微卫星标记（SW2155和SW352）。发现了十个染色体方面的显着QTL和两个暗示性QTL。影响TL体重量和敷料百分比的QTL在BTNL1和SLC39A7区间内作图。皮肤重量和百分比，骨骼重量和percentage体百分比的QTL位于区间PPARD和GLP1R之间。在GNMT和PLA2G7基因之间检测到了脂肪重量和car体百分比的QTL，而在GLP1R和MDFI之间发现了腰部肌肉宽度的QTL。这项研究的结果将有助于促进鉴定该区域的致病分子遗传变异。

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