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Whole-genome sequencing and genomic analysis of Norduz goat (Capra hircus)

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Abstract

Artificial and natural selective breeding of goats has resulted in many different goat breeds all around the world. Norduz goat is one of these breeds, and it is a local goat breed of Turkey. The goats are favorable due to pre-weaning viability and reproduction values compared to the regional breeds. Development in sequencing technologies has let to understand huge genomic structures and complex phenotypes. Until now, such a comprehensive study has not been carried out to understand the genomic structure of the Norduz goats, yet. In the study, the next-generation sequencing was carried out to understand the genomic structure of Norduz goat. Real-time PCR was used to evaluate prominent CNVs in the Norduz goat individuals. Whole genome of the goat was constructed with an average of 33.1X coverage level. In the stringent filtering condition, 9,757,980 SNPs, 1,536,715 InDels, and 290 CNVs were detected in the Norduz goat genome. Functional analysis of high-impact SNP variations showed that the classical complement activation biological process was affected significantly in the goat. CNVs in the goat genome were found in genes related to defense against viruses, immune response, and cell membrane transporters. It was shown that GBP2, GBP5, and mammalian ortholog GBP1, which are INF-stimulated GTPases, were found to be high copy numbers in the goats. To conclude, genetic variations mainly in immunological response processes suggest that Norduz goat is an immunologically improved goat breed and natural selection could take an important role in the genetical improvements of the goats.

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Data availability

The datasets generated and analyzed during the current study are available in the NCBI SRA database (BioProject ID: PRJNA789698).

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Acknowledgements

The author thanks Prof. Suphi Deniz for his direction, encouragement, and supports, Murat Toson for his aids in the sampling, Dr. Halil Kurt, Can Holyavkin, and Halil İbrahim Kısakesen for their bioinformatical supports, Dr. Ergi Terzioğlu for his supports.

Funding

This work was supported by Van Yüzüncü Yıl University, Research Projects Coordination Unit (Project No: TSA-2019–7659).

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Correspondence to Mevlüt Arslan.

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All images and data produced are original in this study.

Ethical approval

Animal Researchers Local Ethics Committee of Van Yüzüncü Yıl University approved this study. Two ethical permissions were obtained for the study: Approval date and numbers: 27.09.2018, 2018/9 and 01/09/2022, 2022/08-03.

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Arslan, M. Whole-genome sequencing and genomic analysis of Norduz goat (Capra hircus). Mamm Genome 34, 437–448 (2023). https://doi.org/10.1007/s00335-023-09990-3

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  • DOI: https://doi.org/10.1007/s00335-023-09990-3

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