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Development of Targeting Induced Local Lesions IN Genomes TILLING Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis

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Mis-Spliced Lr34 Transcript Events in Winter Wheat.

Tilin Fang¹, Brett F Carver¹, Robert M Hunger²

¹Department of Plant and Soil Sciences, Oklahoma State University, Stillwater, Oklahoma, United States of America.

|January 31, 2017

Summary

This summary is machine-generated.

Wheat

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Area of Science:

Plant genetics
Molecular biology
Agricultural science

Background:

The Lr34 gene in wheat provides resistance against fungal pathogens.
Alleles Lr34r (resistant) and Lr34s (susceptible) differ by amino acid sequence polymorphisms.
Lr34 resistance is crucial for crop protection.

Purpose of the Study:

Investigate the splicing patterns of the Lr34 gene.
Determine the impact of splicing on Lr34 resistance.
Explore strategies to enhance Lr34-mediated resistance.

Main Methods:

Analysis of Lr34 gene transcripts in wheat seedlings and adult plants.
Identification and characterization of mis-splicing events.
Deduction of protein products from spliced and mis-spliced transcripts.

Main Results:

A significant portion (65%) of Lr34r transcripts exhibited mis-splicing.
Mis-splicing events led to premature stop codons and incomplete proteins.
Splicing errors occurred in both seedling and adult plant stages.

Conclusions:

Partial resistance conferred by quantitative genes may result from transcript mis-splicing.
Lr34 resistance effectiveness can be influenced by splicing accuracy.
Targeting splicing regulators could enhance wheat's fungal resistance.