SISTER CHROMATID EXCHANGE IN CATTLE MARKER CHROMOSOMES

被引：19

作者：

IANNUZZI, L ^{[1
]}

DIMEO, GP ^{[1
]}

PERUCATTI, A ^{[1
]}

FERRARA, L ^{[1
]}

GUSTAVSSON, I ^{[1
]}

机构：

[1] AGR FAC SCI UPPSALA, DEPT ANIM BREEDING & GENET, UPPSALA, SWEDEN

来源：

CARYOLOGIA | 1991年 / 44卷 / 02期

关键词：

D O I：

10.1080/00087114.1991.10797179

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The sister chromatid exchange (SCE) test was applied on lymphocytes of four Podolian cattle heterozygus for 1/29 centric fusion translocation and on five chromosomally normal cattle (control) of the same breed. The total mean values of SCEs in 82 and 100 lymphocytes studied of carriers and control, respectively, were 7.7 +/- 3.3 and 8.1 +/- 3.7. The difference was not statistically significant. The SCEs on the marker chromosomes 1/29, 1, X and Y revealed a non-random distribution with a significant increase in both chromosomes 1 when cells treated and untreated with mitomycin C (MMC) were compared. The distribution of MMC-induced SCEs in the marker chromosomes showed a clustering in pericentric, central and telomeric regions of chromosomes 1 (normal and translocated), in pericentric and central regions of chromosome 29 translocated and in telomeric regions of the Y-chromosome.

引用

页码：145 / 152

页数：8

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