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Genes Encoding Structurally Conserved Serpins in the Wheat Genome: Identification and Expression Profiles during
Chongmei Dong1,2, Ting-Chun Huang1, Thomas H Roberts1
1School of Life and Environmental Sciences, University of Sydney, Camperdown, NSW 2006, Australia.
International Journal of Molecular Sciences
|February 11, 2023
Summary
Wheat serpin genes were analyzed, revealing 83 full-length functional genes. Some serpins are widely expressed, while others show tissue-specific patterns and respond to stress, offering potential for wheat breeding.
Area of Science:
- Plant molecular biology
- Genomics
- Biochemistry
Background:
- Serpins are a widespread protein family with conserved structures.
- They play roles in protease inhibition and other biochemical functions.
- Understanding wheat serpins is crucial for crop improvement.
Purpose of the Study:
- To identify and characterize full-length functional wheat serpin genes.
- To analyze the expression patterns of wheat serpins during development and stress.
- To explore the potential application of wheat serpins in breeding.
Main Methods:
- Analysis of wheat gene annotations (RefSeq v1.0).
- Examination of wheat expressed sequence tags (ESTs) and genome assembly.
- RNA sequencing database analysis for gene expression profiling.
Main Results:
- Identified 83 full-length, structurally conserved wheat serpin genes.
- Wheat LR serpins show ubiquitous expression; others are tissue-specific (grain, root, anther).
- Nine serpin genes upregulated under biotic/abiotic stress; two showed high expression during challenges.
Conclusions:
- Provides a comprehensive catalog of functional wheat serpins.
- Reveals diverse expression patterns linked to wheat development and stress responses.
- Highlights potential of wheat serpins as molecular markers for breeding applications.
