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Validation experiment of copy number variations identified by next-generation sequencing in chickens

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Gallus gallus

PROVIDER: GSE54119 | GEO | 2015/05/14

SECONDARY ACCESSION(S): PRJNA235205

REPOSITORIES: GEO

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Validation experiment of copy number variations identified by next-generation sequencing in chickens

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Project description:Copy number variation (CNV) is important and widespread in the genome, and is a major cause of disease and phenotypic diversity. Herein, we perform a genome-wide analysis of CNVs in the 12 diversified chicken genomes based on next-generation sequencing. We apply aCGH experiments to confirm our predicted CNVs. Results from aCGH agree well with our findings and the Pearson’s correlation values between the test and reference samples range from 0.395 to 0.740. The whole blood samples were collected from Beijing You (BY), Dongxiang (DX), Luxi Game (LX), Red Jungle Fowl (RJF), Shouguang (SG), Silkie (SK), Tibetan (TB), Wenchang (WC), and White Plymouth Rock (WR), and genomic DNA was isolated using standard phenol/chloroform extraction methods. Each test sample labeled with Cy3 was mixed with Red Jungle Fowl as reference sample labeled with Cy5. All process and analysis was performed in terms of standard NimbleGen procedure. However, due to some uncontrollable factors, none of results were obtained in three consecutive trials for CS, RIR and WL, so we had to choose a similar Agilent custom-designed 1*1.0 M array.

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