GEO DataSets

(Submitter supplied) Copy number variation (CNV) is an important type of genetic variation contributing to phenotypic differences among mammals. Up to now, GWAS analysis using CNV called by array CGH is lacking in livestock like Holstein cattle. The objectives of this work are to identify CNVs using high-density aCGH data and explore functional CNVs which are associated with complex traits by GWAS method in Holstein cattle. more...

Organism:

Bos taurus

Type:

Genome variation profiling by genome tiling array; Third-party reanalysis

Platform:

GPL11314

41 Samples

Download data: PAIR

(Submitter supplied) Structural and functional impacts of copy number variations (CNVs) on livestock genomes are not yet well understood. In this study, we have identified 1853 CNV regions (CNVRs) using population-scale sequencing data generated from 75 cattle of 8 breeds (Holstein, Angus, Jersey, Limousin, Romagnola, Brahman, Gir and Nelore). Individual genome sequence coverage ranged from 4 to 30 fold, with a mean of 11.8 fold. more...

Organism:

Bos taurus

Type:

Genome variation profiling by genome tiling array

Platform:

GPL11314

25 Samples

Download data: BED, PAIR

(Submitter supplied) Copy number variations (CNVs) affect a wide range of phenotypic traits; however, CNVs in or near segmental duplication regions are often intractable. Using a read depth approach based on next-generation sequencing, we examined genome-wide copy number differences among five taurine (three Angus, one Holstein and one Hereford) and one indicine (Nelore) cattle. Within mapped chromosomal sequence, we identified 1,265 CNV regions comprising ~55.6 Mbp sequence-476 of which (~38%) have not previously been reported. more...

Organism:

Bos taurus

Type:

Genome variation profiling by genome tiling array

Platform:

GPL11314

5 Samples

Download data: PAIR, TXT

(Submitter supplied) Background Transgenic cattle carrying multiple genomic modifications have been produced by sequential gene targeting and serial rounds of somatic cell chromatin transfer (cloning). However, cloning efficiency tends to decline with the increase of rounds of cloning. It is possible that multiple rounds of cloning compromise the genome integrity, rendering a decline in cloning. To test this possibility, we performed 9 high density array Comparative Genomic Hybridization (CGH) experiments to test the genome integrity in 3 independent bovine transgenic cell lineages generated from serial rounds of genetic modification and cloning. more...

Organism:

Bos taurus

Type:

Genome variation profiling by genome tiling array

Platform:

GPL11314

9 Samples

Download data: PAIR, TXT