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Published on: January 18, 2014
Bacterial nucleomodulins: A coevolutionary adaptation to the eukaryotic command center.
Hannah E Hanford1, Juanita Von Dwingelo1, Yousef Abu Kwaik1,2
1Department of Microbiology and Immunology, University of Louisville, Kentucky, United States of America.
Bacterial pathogens use nucleomodulins, effector proteins targeting host cell nuclei, to promote infection. Understanding these nucleomodulins is key to developing new strategies against bacterial diseases.
Area of Science:
- Microbiology
- Molecular Biology
- Pathogenesis
Background:
- Bacterial pathogens evolve effector proteins to manipulate host cells for proliferation.
- Targeting host cell nucleus is an emerging strategy for bacterial pathogens.
- These nuclear-targeting effectors are termed nucleomodulins.
Purpose of the Study:
- To review current knowledge on nucleomodulins from plant and mammalian pathogens.
- To discuss the mechanisms by which nucleomodulins target host cell nuclear processes.
- To highlight the role of nucleomodulins in pathogenesis and host epigenome modulation.
Main Methods:
- Literature review of studies on bacterial nucleomodulins.
- Analysis of identified nucleomodulins from plant and mammalian pathogens.
- Discussion of reported mechanisms of nucleomodulin action.
Main Results:
- Nucleomodulins are effector proteins that target host cell nuclei.
- They modulate nuclear processes including chromatin dynamics, DNA replication, and cell signaling.
- Nucleomodulins can induce epigenetic modifications in host cells.
- Examples exist in both plant pathogens (Agrobacterium, Xanthomonas) and mammalian pathogens.
Conclusions:
- Nucleomodulins represent a significant family of bacterial virulence factors.
- Further research is crucial to elucidate their precise mechanisms and role in disease.
- Studying nucleomodulins offers insights into host-pathogen interactions and epigenetic regulation.
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