Testing a Hypothesis of 12S rRNA Methylation by Putative METTL17 Methyltransferase.

IF 2 4区 生物学 Q4 CELL BIOLOGY
A V Mashkovskaia, S S Mariasina, M V Serebryakova, M P Rubtsova, O A Dontsova, P V Sergiev
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引用次数: 0

Abstract

Mitochondrial ribosome assembly is a complex multi-step process involving many additional factors. Ribosome formation differs in various groups of organisms. However, there are universal steps of assembly and conservative factors that have been retained in evolutionarily distant taxa. METTL17, the object of the current study, is one of these conservative factors involved in mitochondrial ribosome assembly. It is present in both bacteria and the mitochondria of eukaryotes, in particular mice and humans. In this study, we tested a hypothesis of putative METTL17 methyltransferase activity. MALDI-TOF mass spectrometry was used to evaluate the methylation of a putative METTL17 target - a 12S rRNA region interacting with METTL17 during mitochondrial ribosome assembly. The investigation of METTL17 and other mitochondrial ribosome assembly factors is of both fundamental and practical significance, because defects in mitochondrial ribosome assembly are often associated with human mitochondrial diseases.

测试假定的 METTL17 甲基转移酶对 12S rRNA 甲基化的假设
线粒体核糖体的组装是一个复杂的多步骤过程,涉及许多其他因素。核糖体的形成在不同的生物群体中各不相同。不过,有一些普遍的组装步骤和保守因子在进化遥远的类群中得以保留。本次研究的对象 METTL17 就是参与线粒体核糖体组装的保守因子之一。它既存在于细菌中,也存在于真核生物的线粒体中,尤其是小鼠和人类。在这项研究中,我们测试了假定的 METTL17 甲基转移酶活性。我们使用 MALDI-TOF 质谱法评估了假定的 METTL17 靶点--线粒体核糖体组装过程中与 METTL17 相互作用的 12S rRNA 区域--的甲基化情况。对 METTL17 和其他线粒体核糖体组装因子的研究具有基础和实际意义,因为线粒体核糖体组装缺陷通常与人类线粒体疾病有关。
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来源期刊
Acta Naturae
Acta Naturae 农林科学-林学
CiteScore
3.50
自引率
5.00%
发文量
0
审稿时长
>12 weeks
期刊介绍: Acta Naturae is an international journal on life sciences based in Moscow, Russia. Our goal is to present scientific work and discovery in molecular biology, biochemistry, biomedical disciplines and biotechnology. These fields represent the most important priorities for the research and engineering development both in Russia and worldwide. Acta Naturae is also a periodical for those who are curious in various aspects of biotechnological business, innovations in pharmaceutical areas, intellectual property protection and social consequences of scientific progress. The journal publishes analytical industrial surveys focused on the development of different spheres of modern life science and technology. Being a radically new and totally unique journal in Russia, Acta Naturae is useful to both representatives of fundamental research and experts in applied sciences.
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