Essential Role of Ubiquitin-Fold Modifier 1 Conjugation in DNA Damage Response

Zhi Fang1, Zezheng Pan2

  • 1Jiangxi Medical College, Nanchang University, Nanchang, China.

DNA and Cell Biology
|August 2, 2019
PubMed

Insights

Ufmylation, a modification process, is explored for its role in the DNA damage response (DDR). Understanding ufmylation

Area of Science:

  • Molecular Biology
  • Genetics
  • Biochemistry

Background:

  • DNA damage can compromise genomic integrity and cell viability, necessitating a robust DNA damage response (DDR).
  • The ataxia-telangiectasia mutated (ATM) kinase is central to the DDR, particularly for DNA double-strand breaks (DSBs).
  • Ufmylation is a ubiquitin-like modification process involving Uba5, Ufc1, and Ufl1, but its role in DDR is unclear.

Purpose of the Study:

  • To review the relationship between ufmylation and the DNA damage response (DDR).
  • To elucidate the function and mechanism of ufmylation in DDR.
  • To explore potential therapeutic strategies based on ufmylation's role in disease pathogenesis.

Main Methods:

  • Literature review focusing on ufmylation and DDR pathways.
  • Analysis of enzymatic mechanisms involved in ufmylation.
  • Integration of knowledge on DSB repair and ubiquitin-like modifications.

Main Results:

  • The study reviews the known components and processes of ufmylation.
  • It highlights the critical role of DDR in maintaining genome stability and preventing cancer.
  • The potential, yet largely unknown, function of ufmylation in DDR is discussed.

Conclusions:

  • Ufmylation's precise role in the DNA damage response remains to be fully elucidated.
  • Further research into ufmylation in DDR could reveal disease mechanisms.
  • This understanding may guide the development of novel therapeutic approaches.

Related Concept Videos

Conjugated Proteins02:50

Conjugated Proteins

Simple proteins and protein complexes contain only amino acids. In contrast, many other proteins, called conjugated proteins, covalently bond with non-protein moieties.
Nucleoproteins are protein complexes that contain nucleic acids, categorized as deoxyribonucleoproteins (DNPs) or ribonucleoproteins (RNPs) respectively. The nucleosome is a typical example of a DNP where nuclear DNA is associated with histone proteins. The major antigen for the Covid-19 virus SARS-CoV is an RNP that is critical...
27.5K
Translesion DNA Polymerases02:10

Translesion DNA Polymerases

Translesion (TLS) polymerases rescue stalled DNA polymerases at sites of damaged bases by replacing the replicative polymerase and installing a nucleotide across the damaged site. Doing so, TLS allows additional time for the cell to repair the damage before resuming regular DNA replication.
TLS polymerases are found in all three domains of life - archaea, bacteria, and eukaryotes. Of the different classes of TLS polymerases, members of the Y family are fitted with specialized structures that...
11.1K
DNA Damage Can Stall the Cell Cycle02:36

DNA Damage Can Stall the Cell Cycle

In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...
3.1K
DNA Damage can Stall the Cell Cycle02:36

DNA Damage can Stall the Cell Cycle

In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...
10.0K
Protein Folding01:22

Protein Folding

Overview
126.7K
Protein Folding01:25

Protein Folding

Proteins are chains of amino acids linked together by peptide bonds. Upon synthesis, a protein folds into a three-dimensional conformation, critical to its biological function. Interactions between its constituent amino acids guide protein folding, and hence the protein structure is primarily dependent on its amino acid sequence.
Protein Structure Is Critical to Its Biological Function
Proteins perform a wide range of biological functions such as catalyzing chemical reactions, providing...
11.2K