Geneticists Develop New Wheat Streak Mosaic Virus Resistance Genetic MarkersFebruary 8, 2017
No effective chemical treatment is available for wheat streak mosaic virus (WSMV), a major threat in wheat-growing areas of the world. In 2011, WSMV resistance was identified on chromosome 3BS and named the gene Wsm2.
Effective molecular markers closely linked to the target genes are the key to the success of marker-assisted selection on traits such as WSMV resistance, according to Dr. Shuyu Liu, Texas A&M AgriLife Research small grains geneticist. Single nucleotide polymorphisms (SNPs) are routinely used in plant breeding programs to identify superior genotypes. His research team has identified eight SNPs flanking Wsm2, Liu said, helping increase the efficiency in selection for the resistance needed to battle WSMV.
"A single marker linked to target genes may not be sufficient to screen across diverse genetic backgrounds," Liu said. "Therefore, a set of tightly linked markers on each side of the gene is the best predictor for Wsm2 with higher accuracy." These tightly linked SNPs will be useful for marker-assisted selection for WSMV resistance, he said.
For more details, read the news release at AgriLife Today.
The Crop Biotech Update is a weekly newsletter of ISAAA, a not-for-profit organization. The CBU is distributed for free to over 23,000 subscribers worldwide to inform them about the key developments in biosciences, especially in agricultural biotechnology. Your support will help us in our mission to feed the world with knowledge. You can help by donating as little as $10.
See more articles:
News from Around the World
- Scientists Make Genetic Recipe for Tastier Tomatoes
- Kenyan Farmers Urge the Gov't to Release WEMA Bt Maize Amid Ravaging Drought
- Scientists Find Diversity Blueprint to Help Maize Adapt to Changing Climates
- Geneticists Develop New Wheat Streak Mosaic Virus Resistance Genetic Markers
- Researchers Sequence Pitcher Plant Genome to Elucidate Plant Carnivory
- Indonesian Farmers are Ready to Adopt Biotech Corn
- Research on Mosses Provides Better Understanding of Plant Cell Biology
- Italian Scientists Search for Genes Involved in Carotenoid Synthesis in Wheat
- Rothamsted Research Granted Permission by Defra to Conduct GM Wheat Field Trials
- Plant Ferredoxin-like Protein Expression Improves Photosynthesis in Rice
- Researchers Identify Candidate Gene for Compact Plant Architecture in Cucumber
Plant Breeding Innovations
- Researchers Develop MISSA 2.0 for Assembly of Orthogonal CRISPR/Cas Systems
- Development of Gene-Specific Rice Mutants via AvrXa23-based TALENs
Beyond Crop Biotech
- Tuberculosis Resistant Cows Produced Using CRISPR-Cas9n
- Gene-editing May Lower Risk of Heart Disease
Read the latest:
- Crop Biotech Update (August 10, 2022)
- Genome Editing Supplement (August 10, 2022)
- Gene Drive Supplement (July 27, 2022)
Subscribe to CBU: