A somatic cell hybrid panel for pig regional gene mapping characterized by molecular cytogenetics

被引：280

作者：

Yerle, M

Echard, G

Robic, A

Mairal, A

DubutFontana, C

Riquet, J

Pinton, P

Milan, D

LahbibMansais, Y

Gellin, J

机构：

[1] Laboratoire de Génétique Cellulaire, INRA, Castanet-Tolosan

来源：

CYTOGENETICS AND CELL GENETICS | 1996年 / 73卷 / 03期

关键词：

D O I：

10.1159/000134338

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

A panel of 27 pig x rodent somatic cell hybrids was produced and characterized cytogenetically. The first step of this study consisted of hybridizing a SINE probe to GTG-banded metaphases of each hybrid clone in order to count and identify the normal pig chromosomes and to detect rearranged ones. The second seep consisted of using the DNA of each clone as a probe after pIRS-PCR (porcine interspersed repetitive sequence-polymerase chain reaction) amplification to highly enrich it in pig sequences. These probes, hybridized to normal pig metaphase chromosomes, enabled the identification of the complete porcine complement in the hybrid lines. Whole chromosomes and fragments were characterized quickly and precisely, and results were compared. In addition to this cytogenetic characterization, molecular verification was also carried out by using primers specific to six microsatellites and to one gene previously mapped to pig chromosomes. The results obtained allow us to conclude that we have produced a panel that is informative for all porcine chromosomes. This panel constitutes a highly efficient tool to establish not only assignments of genes and markers but also regional localizations on pig chromosomes.

引用

页码：194 / 202

页数：9

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