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Genome sequencing and protein domain annotations of Korean Hanwoo cattle identify Hanwoo-specific immunity-related and other novel genes

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Authors
Caetano-Anolles, Kelsey; Kim, Kwondo; Kwak, Woori; Sung, Samsun; Kim, Heebal; Choi, Bong-Hwan; Lim, Dajeong
Issue Date
2018-05-29
Publisher
BioMed Central
Citation
BMC Genetics, 19(1):37
Keywords
CattleHanwooGenome sequencingProtein domainUnaligned read assemblyDNA-Seq
Abstract
Background
Identification of genetic mechanisms and idiosyncrasies at the breed-level can provide valuable information for potential use in evolutionary studies, medical applications, and breeding of selective traits. Here, we analyzed genomic data collected from 136 Korean Native cattle, known as Hanwoo, using advanced statistical methods.

Results
Results revealed Hanwoo-specific protein domains which were largely characterized by immunoglobulin function. Furthermore, domain interactions of novel Hanwoo-specific genes reveal additional links to immunity. Novel Hanwoo-specific genes linked to muscle and other functions were identified, including protein domains with functions related to energy, fat storage, and muscle function that may provide insight into the mechanisms behind Hanwoo cattles uniquely high percentage of intramuscular fat and fat marbling.

Conclusion
The identification of Hanwoo-specific genes linked to immunity are potentially useful for future medical research and selective breeding. The significant genomic variations identified here can crucially identify genetic novelties that are arising from useful adaptations. These results will allow future researchers to compare and classify breeds, identify important genetic markers, and develop breeding strategies to further improve significant traits.
ISSN
1471-2156
Language
English
URI
https://hdl.handle.net/10371/142754
DOI
https://doi.org/10.1186/s12863-018-0623-x
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College of Natural Sciences (자연과학대학)Program in Bioinformatics (협동과정-생물정보학전공)Journal Papers (저널논문_협동과정-생물정보학전공)
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