通过酵母菌的基因协差表达来发现协调的通路相互作用
Muhammad Ibtisam Nasar1, Syed Sabih Ur Rehman1, Sascha Ott2,3
1Department of Biology, United Arab Emirates University, Al Ain, Abu Dhabi, United Arab Emirates.
Nucleic acids research
|January 7, 2026
概括
我们开发了YeastCoDEGNet,这是一个新的基因共同表达网络,通过专注于特定环境的反应来更好地识别功能相关的基因. 这种方法揭示了对酵母中的基因本质性和途径协调的新见解.
科学领域:
- 系统生物学 系统生物学
- 分子和细胞生物学分子和细胞生物学
- 生物信息学是一种生物信息学.
背景情况:
- 传统的基因共同表达网络往往包括虚假的关联.
- 他们努力识别具有特定情境表达模式的基因.
- 了解特定环境中的基因和通路反应对于生物学发现至关重要.
研究的目的:
- 为Saccharomyces cerevisiae (酵母CoDEGNet) 构建一个全球共同差异表达网络.
- 基于共享的特定环境反应来识别基因和通路模块.
- 改进在不同条件下的功能相关基因和途径的识别.
主要方法:
- 在酵母中重新分析了143个精选的微阵列实验 (425个比较).
- 构建了一个共同差异化的表达网络,其中连接代表了共享的特定上下文的响应.
- 建立了一个基于路径对响应的交叉路径协调网络.
主要成果:
- 酵母CoDEGNet确定了不同的基因组,这些基因富含了必需基因/非必需基因和代谢/非代谢过程.
- 基因特征如响应性和本质性在染色体上位置聚集.
- 交叉通道网络揭示了新的功能联系,突出了中央新陈代谢,蛋白质合成和基因调节中的协调.
结论:
- 酵母CoDEGNet提供了一个强大的框架,用于分析特定环境的基因表达动态.
- 这种网络可以改善功能性基因关系和通路协调的识别.
- 这些发现提供了对基因和通路如何适应干扰的更深入的理解.
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