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The study of selection signature and its applications on identification of candidate genes using whole genome sequencing data in chicken-a review

文献类型： 外文期刊

作者： Bello, Semiu Folaniyi 1 ; Lawal, Raman Akinyanju 5 ; Adeola, Adeniyi Charles 6 ; Nie, Qinghua 1 ;

作者机构： 1.South China Agr Univ, Coll Anim Sci, Dept Anim Genet Breeding & Reprod, Guangzhou 510642, Guangdong, Peoples R China

2.Guangdong Prov Key Lab Agroanim Genom & Mol Breedi, Guangzhou 510642, Guangdong, Peoples R China

3.Minist Agr, Key Lab Chicken Genet Breeding & Reprod, Guangzhou 510642, Guangdong, Peoples R China

4.Org African Acad Doctors OAAD, Agr Res Grp, Nairobi, Kenya

5.Jackson Lab, Bar Harbor, ME 04609 USA

6.Chinese Acad Sci, Kunming Inst Zool, Key Lab Genet Resources & Evolut, Kunming 650223, Yunnan, Peoples R China

关键词： chicken; domestication; selection signature; genes; conservation

期刊名称：POULTRY SCIENCE （ 影响因子：4.4； 五年影响因子：4.4 ）

ISSN： 0032-5791

年卷期： 2023 年 102 卷 6 期

页码：

收录情况： SCI

摘要： Chicken is a major source of protein for the increasing human population and is useful for research purposes. There are almost 1,600 distinct regional breeds of chicken across the globe, among which a large body of genetic and phenotypic variations has been accumulated due to extensive natural and arti-ficial selection. Moreover, natural selection is a crucial force for animal domestication. Several approaches have been adopted to detect selection signatures in dif-ferent breeds of chicken using whole genome sequencing (WGS) data including integrated haplotype score (iHS), cross-populated extend haplotype homozygosity test (XP-EHH), fixation index (FST), cross-popula-tion composite likelihood ratio (XP-CLR), nucleotide diversity (Pi), and others. In addition, gene enrichment analyses are utilized to determine KEGG pathways and gene ontology (GO) terms related to traits of interest in chicken. Herein, we review different studies that have adopted diverse approaches to detect selection signa-tures in different breeds of chicken. This review system-atically summarizes different findings on selection signatures and related candidate genes in chickens. Future studies could combine different selection signa-tures approaches to strengthen the quality of the results thereby providing more affirmative inference. This would further aid in deciphering the importance of selection in chicken conservation for the increasing human population.

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