Detection of nucleic acid modifications by chemical reagents.

Detection of nucleic acid modifications by chemical reagents.
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DOI:
10.1080/15476286.2016.1261788
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发表时间:
2017-09-02
期刊:
影响因子:
4.1
通讯作者:
Kellner S
Kellner S
中科院分区:
生物学3区
文献类型:
--
作者:
Heiss M;Kellner S

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核酸,特别是RNA,天然含有多种化学修饰的核苷。为了了解这些修饰核苷的生物学作用,核酸科学家需要工具来特异性标记、检测和富集修饰核酸。这些工具包括在核酸研究的早期已经建立的一组不同的化学试剂。高通量测序和质谱的最新发展利用这些化学标记策略来有效地检测和定位核酸中的修饰。因此,可以分析修饰的核苷,特别是5-甲基胞嘧啶和假尿苷在生命的所有领域中的转录组范围内的分布。在这些技术和所获得的知识的帮助下,有可能了解修改的功能,甚至研究它们与人类健康和疾病的联系。在这里,不同的化学反应性的修饰核苷和他们的典型对应物进行了审查和讨论。
Nucleic acids, especially RNA, naturally contain a diversity of chemically modified nucleosides. To understand the biological role of these modified nucleosides, nucleic acid scientists need tools to specifically label, detect and enrich modified nucleic acids. These tools comprise a diverse set of chemical reagents which have been established in the early years of nucleic acid research. Recent developments in high-throughput sequencing and mass spectrometry utilize these chemical labeling strategies to efficiently detect and localize modifications in nucleic acids. As a consequence the transcriptome-wide distribution of modified nucleosides, especially 5-methylcytosine and pseudouridine, in all domains of life could be analyzed. With the help of these techniques and the gained knowledge, it becomes possible to understand the functions of modifications and even study their connections to human health and disease. Here, the differential chemical reactivity of modified nucleosides and their canonical counterpart is reviewed and discussed.
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