Related Experiment Video
Updated: Jun 26, 2025

Simultaneous Mapping and Quantitation of Ribonucleotides in Human Mitochondrial DNA
Published on: November 14, 2017
rNMPID: a database for riboNucleoside MonoPhosphates in DNA.
Jingcheng Yang1,2, Mo Sun3, Zihan Ran4,5
1State Key Laboratory of Genetic Engineering, School of Life Sciences, Human Phenome Institute, and Shanghai Cancer Center, Fudan University, Shanghai 200438, China.
Ribonucleoside monophosphates (rNMPs) are common in DNA and can cause genome instability. The new rNMPID database offers insights into rNMP embedment across various organisms, aiding research into their functions and disease associations.
Area of Science:
- Genomics
- Molecular Biology
- Biochemistry
Background:
- Ribonucleoside monophosphates (rNMPs) are prevalent non-standard nucleotides in genomic DNA.
- Uncontrolled rNMP incorporation can lead to significant genome instability.
- The regulatory roles and implications of rNMPs in DNA are largely unexplored, despite their links to diseases like cancer.
Purpose of the Study:
- To introduce the rNMPID database, the first resource detailing rNMP embedment characteristics.
- To provide a comprehensive dataset on rNMP incorporation patterns, strand bias, and genetic backgrounds.
- To establish a foundation for investigating the functional and disease-related associations of DNA rNMPs.
Main Methods:
- Compilation of datasets from various rNMP-mapping techniques.
- Development of the rNMPID database to store and present rNMP-embedment data.
- Analysis of rNMP incorporation patterns across diverse species and genetic backgrounds.
Main Results:
- The rNMPID database is the first to systematically reveal rNMP embedment characteristics in genomic DNA.
- It includes data from bacterial to human cells, detailing strand bias and preferred incorporation sites.
- The database integrates data from multiple rNMP-mapping techniques, offering a robust resource.
Conclusions:
- The rNMPID database provides a foundational resource for studying rNMP embedment in DNA.
- Researchers can now explore the features of DNA rNMPs and their links to cellular functions and diseases.
- This resource is valuable for genetics and genomics researchers integrating rNMP data into their studies.
More Related Videos
09:04Studying Ribonucleotide Incorporation: Strand-specific Detection of Ribonucleotides in the Yeast Genome and Measuring Ribonucleotide-induced Mutagenesis
Published on: July 26, 2018
10:24NMR-Based Activity Assays for Determining Compound Inhibition, IC50 Values, Artifactual Activity, and Whole-Cell Activity of Nucleoside Ribohydrolases
Published on: June 30, 2019
Related Concept Videos
Nonsense-mediated mRNA Decay
Usually, Upf3 binds to an Exon Junction Complex (EJC) at mRNA splice sites. If a ribosome fully translates the mRNA,...
Ribozymes
Ribozymes can...
Ribosome Profiling
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique...
Ribosomal RNA Synthesis
Ribosome biogenesis begins with the synthesis of 5S and 45S pre-rRNAs by distinct RNA polymerases. The primary transcripts are extensively processed and modified before they are bound and folded by ribosomal proteins and assembly factors,...