Assignments of GRB7, GCN5L2, COL1A1 and TBCD to pig chromosome 12 by radiation hybrid mapping

Assignments of GRB7, GCN5L2, COL1A1 and TBCD to pig chromosome 12 by radiation hybrid mapping
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通过辐射杂交作图将 GRB7、GCN5L2、COL1A1 和 TBCD 分配给猪 12 号染色体

DOI:
10.1159/000076312
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发表时间:
2004-03
期刊:
Cytogenet Genome Res
影响因子:
--
通讯作者:
M Yu
M Yu
中科院分区:
其他
文献类型:
--
作者:
J Yang;K Li;B Liu;M Yerle;B Fan;T Xiong;M Yu

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利用人类等模式物种的比较作图,可以利用人类基因图谱中的信息,加快QTL(Quantitative Trait Loci)区域候选基因的寻找,是家畜研究的重要工具。它还提供了对哺乳动物基因组进化的见解。人和猪之间的双向染色体涂绘已经显示猪12号染色体(SSC 12)与人17号染色体(HSA 17)同源(Goureau等人,1996年)。据报道,在人类17号染色体上已经定位了1,689个基因(GenBank human genome resources:http://www.humangenomeresources.com)。ncbi.nlm.nih.gov/mapview/maps.cgi),而在猪细胞遗传学和RH图谱上分别仅定位了37和31个基因或EST。然而,在公共数据库中可获得的猪EST的数量正在迅速增加,构成了将猪基因组与人类基因组草图序列进行比较的宝贵资源。在这项研究中,选择了最初定位于HSA 17的四个基因。这些基因是生长因子受体结合蛋白7(GRB 7)、氨基酸合成的一般控制5-样2(酵母)(GCN 5L 2)、I型胶原α 1(COL 1A 1)和微管蛋白特异性伴侣蛋白d(TBCD)。我们分离了它们的猪片段,并使用猪辐射杂交组IMpRH将它们定位到猪12号染色体上(Yerle等人,1998年)。
Comparative mapping with model species like human is an important tool for livestock as it might speed up the search for candidate genes in QTL (Quantitative Trait Loci) regions through the use of information derived from mapped genes in humans. It also gives insight on mammalian genome evolution. Bidirectional chromosome painting between human and pig has shown that pig chromosome 12 (SSC12) is homologous to human chromosome 17 (HSA17) (Goureau et al., 1996). It is reported that 1,689 genes have been mapped on human chromosome 17 (GenBank human genome resources: http://www. ncbi.nlm.nih.gov/mapview/maps.cgi) while only 37 and 31 genes or ESTs have been located on the porcine cytogenetic and RH maps, respectively. Nevertheless, the number of porcine ESTs available in public databases is increasing rapidly, constituting a valuable resource to compare the porcine genome with the human draft genome sequences. In this study, four genes originally mapped to HSA17 were selected. The genes were growth factor receptor-bound protein 7 (GRB7), general control of amino-acid synthesis 5-like 2 (yeast) (GCN5L2), collagen type I alpha 1 (COL1A1) and tubulin-specific chaperone d (TBCD). We isolated their porcine fragments and mapped them to porcine chromosome 12 using the porcine radiation hybrid panel IMpRH (Yerle et al., 1998).
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发表时间: 2000-06-01
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影响因子: 5.8
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