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Systematic identification of chicken type I, II and III interferon-stimulated genes

文献类型： 外文期刊

作者： Dai, Manman 2 ; Xie, Tingting 1 ; Liao, Ming 2 ; Zhang, Xiquan 1 ; Feng, Min 1 ;

作者机构： 1.South China Agr Univ, Coll Anim Sci, Guangdong Prov Key Lab Agroanim Genom & Mol Breed, Guangzhou, Peoples R China

2.South China Agr Univ, Coll Vet Med, Guangzhou, Peoples R China

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

期刊名称：VETERINARY RESEARCH （ 影响因子：3.683； 五年影响因子：4.106 ）

ISSN： 0928-4249

年卷期： 2020 年 51 卷 1 期

页码：

收录情况： SCI

摘要： Interferon-stimulated genes (ISGs) play an important role in antiviral innate immune responses. Although many ISGs have been identified in mammals, researchers commonly recognize that many more ISGs are yet to be discovered. Current information is still very limited particularly for the systematic identification of type III ISGs. Similarly, current research on ISGs in birds is still in its infancy. The aim of this study was to systematically identify chicken type I (IFN-alpha), II (IFN-gamma) and III (IFN-lambda) ISGs and analyze their respective response elements. RNA sequencing (RNA-Seq) was employed to identify those genes with up-regulated expression following chicken IFN-alpha, IFN-gamma and IFN-lambda treatment. Two hundred and five type I ISGs, 299 type II ISGs, and 421 type III ISGs were identified in the chicken. We further searched for IFN-stimulated response elements (ISRE) and gamma-activated sequences (GAS) elements in the promoters region of ISGs. The GAS elements were common in the promoter of type II ISGs and were even detected in type I and III ISGs. However, ISRE were not commonly found in the promoters of chicken ISGs. Furthermore, we demonstrated that ISRE in chicken cells were significantly activated by IFN-alpha or IFN-lambda treatment, and expectedly, that GAS elements were also significantly activated by IFN-gamma treatment. Interestingly, we also found that GAS elements were significantly activated by IFN-lambda. Our study provides a systematic library of ISGs in the chicken together with preliminary information about the transcriptional regulation of the identified ISGs.

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