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Measurement of Chitinase Activity in Biological Samples
Published on: August 22, 2019
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Structural and functional evolution of chitinase-like proteins from plants
Pooja Kesari1, Dipak Narhari Patil1, Pramod Kumar1
1Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, India.
Proteomics
|March 3, 2015
Summary
Plant chitinase-like proteins (CLPs), though similar to chitinases, are catalytically inactive due to mutations. These plant proteins have evolved diverse functions in defense and development.
Area of Science:
- Plant molecular biology
- Protein evolution
- Biochemistry
Background:
- Plant genomes encode numerous chitinase-like proteins (CLPs) homologous to active chitinases.
- CLPs often lack catalytic activity due to mutations, particularly following gene duplication events.
Purpose of the Study:
- To review the structure-function evolution of plant chitinase-like proteins (CLPs) from active chitinases.
- To highlight the adaptive diversification and functional roles of CLPs.
Main Methods:
- Analysis of molecular genetic data to understand CLP origins.
- Review of biochemical and structural data on CLPs and chitinases.
- Examination of evidence for functional diversification through alterations in flexible regions.
Main Results:
- Gene duplication and subsequent mutations in chitinase genes led to catalytically inactive CLPs.
- CLPs exhibit functional diversification primarily through changes in flexible protein regions.
- CLPs are involved in plant defense against pathogens, biotic/abiotic stress, and growth/development.
Conclusions:
- CLPs have evolved from active chitinases, acquiring new roles through mutations.
- The plurifunctional nature of CLPs offers potential for biotechnological applications.
- Understanding CLP structure-function relationships is crucial for harnessing their utility.
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