The full-length transcriptional of the multiple spatiotemporal embryo-gonad tissues in chicken (Gallus gallus).

IF 1.9 Q3 GENETICS & HEREDITY BMC genomic data Pub Date : 2024-10-25 DOI:10.1186/s12863-024-01273-3
Kai Jin, Qisheng Zuo, Jiuzhou Song, Ahmed Kamel Elsayed, Hongyan Sun, YingJie Niu, Yani Zhang, Guobin Chang, Guohong Chen, Bichun Li
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Abstract

Objectives: Chicken (Gallus gallus), as the most economically important poultry, is a classical and ideal model for studying the mechanism of vertebrate developmental biology and embryology. However, the sex determination and differentiation in chicken is still elusive, which limited the application and slowed down many basic studies in chicken.

Data description: We applied PacBio Iso-seq to multiple spatiotemporal embryo-gonad tissues in the male and female chicken, which contain the blastoderm (E0, un-differentiation stage), genital ridge (E3.5-6.5, sex-differentiation stage) and gonads (E18.5, full-sex-differentiation stage). We obtained 51,479 and 48,356 full-length transcripts in male and female chicken embryo, respectively. The comprehensive annotated and evaluated these transcripts. The 1,293 and 1,556 candidate lncRNAs, 5,766 and 4,211 AS events in male and female. Collectively, our data constitutes a grand increase in the known number of lncRNA, AS (Alternative splicing) and Poly(A) during chicken embryo sex-differentiation and plays an important role in improving current genome annotation. In the meantime, the data will be enriched the functional studies in other birds.

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鸡多种时空胚胎性腺组织的全长转录。
目的:鸡(Gallus gallus)作为经济上最重要的家禽,是研究脊椎动物发育生物学和胚胎学机制的经典和理想模型。然而,鸡的性别决定和分化仍然难以捉摸,这限制了鸡的应用,并延缓了许多鸡的基础研究:我们应用PacBio Iso-seq对雌雄鸡的胚胎-性腺组织进行了多时空分析,包括胚泡(E0,未分化期)、生殖脊(E3.5-6.5,性别分化期)和性腺(E18.5,全性别分化期)。我们在雄性和雌性鸡胚中分别获得了 51,479 和 48,356 个全长转录本。我们对这些转录本进行了全面的注释和评估。在雄鸡和雌鸡胚胎中分别发现了1,293个和1,556个候选lncRNAs,5,766个和4,211个AS事件。总之,我们的数据大大增加了鸡胚胎性别分化过程中lncRNA、AS(替代剪接)和Poly(A)的已知数量,对改善目前的基因组注释起到了重要作用。同时,这些数据还将丰富其他鸟类的功能研究。
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