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Updated: Feb 12, 2026
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Published on: April 5, 2013
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Functional diversification of structurally alike NLR proteins in plants
Joydeep Chakraborty1, Akansha Jain1, Dibya Mukherjee1
1Division of Plant Biology, Bose Institute, Centenary Campus, Kolkata, West Bengal, India.
Summary
Plants and pathogens evolve intricate defense mechanisms. Intracellular nucleotide-binding oligomerization domain containing leucine-rich repeat (NLR) proteins are key plant immune receptors that detect pathogen effectors, triggering defense responses and programmed cell death (PCD).
Area of Science:
- Plant immunity
- Molecular biology
- Evolutionary biology
Background:
- Pathogens evolve effector molecules to manipulate host metabolism and immune responses.
- Plants possess nucleotide-binding oligomerization domain containing leucine-rich repeat (NLR) proteins to detect pathogen invasion.
- NLR proteins activate plant defense responses, including programmed cell death (PCD).
Purpose of the Study:
- To review the evolutionary aspects of intracellular NLR proteins in plant immunity.
- To highlight recent advances in understanding NLR protein function and interactions.
- To discuss the role of NLRs in combating plant pathogens.
Main Methods:
- Literature review of studies on NLR proteins in plant-pathogen interactions.
- Analysis of NLR protein structure, compartmentalization, and molecular interactions.
- Synthesis of information on NLR sensors, helpers, and integrated domains.
Main Results:
- NLR proteins are structurally diverse yet functionally conserved across eukaryotes.
- Genome structure and plasticity are crucial for innate immunity development.
- Recent research has identified transcriptional regulatory complexes activated by NLR proteins.
Conclusions:
- Intracellular NLR proteins mediate crucial surveillance mechanisms against pathogens across diverse taxa.
- Understanding NLR protein dynamics, interactions, and domain integration provides insights into plant defense strategies.
- NLRs are central to plant survival against evolving pathogen threats.
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