综合性转录组学和组学方法揭示了Odorrana grahami青皮肤中的意外多样化的内源分泌
Jiongyu Liu1,2, Wei Zhu3,4, Liming Chang3,4
1Mountain Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610213, China. liujy@cib.ac.cn.
BMC biology
|November 29, 2025
概括
这项研究引入了一种寻找青皮肤的新方法,发现了许多新,并揭示了青皮肤活性家族中令人惊的多样性. 这项工作提高了我们对两动物皮肤分泌物和免疫力的理解.
科学领域:
- 动物学 动物学
- 生物化学 生物化学
- 基因组学就是基因组学.
背景情况:
- 内生分泌 (ESP) 在两动物皮肤中至关重要,但如果没有基因组数据,很难识别.
- 现有的预测工具,如SignalP和TransDecoder可以不准确地注释起始站点,导致虚假负面.
- 这项研究解决了在缺乏基因组资源的物种中识别ESP的挑战.
研究的目的:
- 开发和应用一个集成的转录和体管道,用于识别ESP在Odorrana grahami皮肤.
- 通过克服基于SignalP的标准选的局限性,提高ESP预测的准确性.
- 描述O. grahami. 中已识别的ESP的多样性和功能相关性.
主要方法:
- 集成的转录组学和组学管道用于ESP识别.
- 使用SignalP和TransDecoder进行初始蛋白质预测,采用一种新的方法来挽救假阴性.
- 遗传学分析,基因本体学 (GO) 和KEGG通路分析用于功能特征.
主要成果:
- 管道增加了61.6%的潜在ESP识别率,识别了107个假定的ESP (16个已验证).
- 在O. grahami中发现了74个新的ESP,其中包括14个家族的62个新.
- 在青皮肤活性 (FSAP) 家族中发现了显著的多样性,有83名成员,并发现ESP主要与免疫有关.
结论:
- 这项研究揭示了奥多拉纳的FSAP家族内部低估的多样性.
- 开发的管道为在其他物种中发现ESP提供了一个可适应的框架.
- 在O. grahami中发现的ESP主要与免疫功能有关.
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