免疫和RNA病毒感染中的Y盒结合蛋白
Tania Strilets1,2, Mariano A Garcia-Blanco2,3
1Department of Biochemistry and Molecular Biology, The University of Texas Medical Branch, Galveston, Texas, USA.
Microbiology and molecular biology reviews : MMBR
|September 23, 2025
概括
Y盒结合蛋白 (YBXs) 调节RNA的稳定性,局部化和翻译. 本综述探讨了YBX功能,RNA相互作用以及自身免疫性疾病和病毒感染中的作用.
科学领域:
- 分子生物学分子生物学
- 生物化学 生物化学
- 免疫学 免疫学 免疫学
背景情况:
- Y盒结合蛋白 (YBXs) 是一种保存的核酸结合蛋白.
- YBX与RNA相互作用,调节稳定性,局部化和翻译.
- 三个人类YBX模拟器存在,具有不同的功能.
研究的目的:
- 审查人类YBX类型的生物化学活动和生物功能.
- 要突出由YBXs识别的RNA特征及其相对应特异性识别机制.
- 讨论自身免疫性疾病和RNA病毒中YBX与非编码RNA的相互作用.
主要方法:
- 对YBXs的生化活动和生物功能的文献综述.
- 分析由YBXs结合的RNA特征 (图案,修饰,结构).
- 探索YBX在细胞平衡,免疫激活和病毒复制中的作用.
主要成果:
- YBXs表现出多样化的生化活动和生物功能.
- 特定的RNA序列动图,修饰和二次结构被YBXs识别.
- YBXs与涉及自身免疫疾病的非编码RNA相互作用,并影响RNA病毒生命周期.
结论:
- YBXs在RNA调节,细胞平衡和免疫力方面发挥着关键作用.
- 了解YBX-RNA相互作用可以阐明自身免疫性疾病机制.
- RNA病毒可以作为研究YBX生物学和功能的工具.
相关概念视频
Types of RNA
72.6K
Overview
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in the regulation of gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA...
72.6K
Types of RNA
9.1K
Three main types of RNA are involved in protein synthesis: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). These RNAs perform diverse functions and can be broadly classified as protein-coding or non-coding RNA. Non-coding RNAs play important roles in regulating gene expression in response to developmental and environmental changes. Non-coding RNAs in prokaryotes can be manipulated to develop more effective antibacterial drugs for human or animal use.
RNA Performs Diverse...
RNA Performs Diverse...
9.1K
Viruses with RNA Genomes
833
RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
833
Leaky Scanning
5.6K
During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...
5.6K
Transcriptional Regulation: Riboswitches
590
Riboswitches are RNA elements that regulate gene expression by altering their secondary structures in response to specific effector molecules. These elements, located in the leader regions of certain mRNAs, act as transcriptional regulators by toggling between alternative conformations to control downstream gene expression. Riboswitch-mediated regulation is a precise mechanism for modulating biosynthetic pathways, as exemplified by the riboflavin biosynthesis pathway in Bacillus...
590
RNA Interference
27.8K
RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
27.8K


