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Seasonal differences in the transcriptome profile of the Zhedong white goose (Anser cygnoides) pituitary gland

文献类型： 外文期刊

作者： Zhao, Wanqiu 1 ; Yuan, Taoyan 1 ; Fu, Yan 1 ; Niu, Yan Dong 3 ; Chen, Weihu 4 ; Chen, Li 2 ; Lu, Lizhi 2 ;

作者机构： 1.Zhejiang Univ, Coll Anim Sci, Hangzhou 310058, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Anim Husb & Vet Sci, Hangzhou 310021, Peoples R China

3.Zhejiang A&F Univ, Coll Anim Sci & Technol, Key Lab Appl Technol Green Ecohlth Anim Husb Zhej, Hangzhou 311300, Zhejiang, Peoples R China

4.Xiangshan Cty Agr & Rural Bur, Dept Anim Husb & Vet, Ningbo 315700, Peoples R China

关键词： Zhedong white goose; seasonal reproduction; pituitary gland; RNA-Seq analysis

期刊名称：POULTRY SCIENCE （ 影响因子：3.352； 五年影响因子：3.679 ）

ISSN：

年卷期： 2021 年 100 卷 2 期

页码：

收录情况： SCI

摘要： In animals, the adaptation to breed at the time of greatest survival of the young is known as seasonal reproduction. This is mainly controlled by the photoperiod, which stimulates the hypothalamic pituitary-gonadal axis and starts the breeding season. Herein, we have determined the seasonal changes in gene expression patterns of Zhedong white geese pituitary glands under a natural photoperiodism, conducted at autumn equinox (AE), winter solstice (WS), spring equinox (SE), and summer solstice (SS). Pair wise comparisons of WS vs. AE, SE vs. WS, SS vs. SE, and AE vs. SS resulted in 1,139, 33, 704, and 3,503 differently expressed genes, respectively. When compared with SS, AE showed downregulation of genes, such as vasoactive intestinal peptide receptor, prolactin receptor, and thyroid hormone receptor beta, whereas gonadotropin-releasing hormone II receptor was upregulated, indicating that these genes may be responsible for the transition from cessation to egg laying. In addition, the expression levels of 5 transcription factors (POU1F1, Pitx2, NR5A1, NR4A2, and SREBF2) and 6 circadian clock-associated genes (Clock, Per2, ARNTL2, Eya3, Dio2, and NPAS2) also changed seasonally. Gene Ontology term and Kyoto Encyclopedia of Genes and Genomes enrichment analysis revealed that "response to oxidative stress" and steroid biosynthesis pathway also participate in regulating the reproduction seasonality of geese. Overall, these results contribute to the identification of genes involved in seasonal reproduction, enabling a better understanding of the molecular mechanism underlying seasonal reproduction of geese.

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