• USDA Lab Member Nida Ghori Named 2021 Borlaug Scholar

    Nida joined our lab in 2017 as a Fulbright scholar. She is working on map-based cloning of Hessian fly resistance genes. The Borlaug Scholar program accelerates development of the next generation of plant breeding leaders. Nida received the award August 15th. Read the KSU announcement here.

  • Identification of Candidate Chromosome Region of (Sbwm1) for Soil-Borne Wheat Mosaic Virus Resistance in Wheat

    Using association analysis, the Sbwm1 gene has been located within a 620 kb region on chromosome 5D. The candidate region includes several disease resistance related genes and we identified a PTI1-like tyrosine-protein kinase 1 gene as a putative candidate gene for Sbwm1. Two flanking SNPs for Sbwm1 have been converted into KASP assays and can effectively separate resistant and susceptible lines. (Nature: Scientific Reports, 2020).

    Manhattan plots for wheat resistance to Soil-borne wheat mosaic virus (SBWMV) in an association mapping population (A) and the physical positions of the significant SNPs on chromosome 5D (B). The red line represents the threshold for significant SNPs.

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Current Research Projects

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Goals and Objectives

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The goals of the USDA Central Small Grain Genotyping Center in Kansas:

1. Conduct research to accelerate the breeding process by identifying novel DNA markers and genes for important wheat traits.

2. Use markers to select desired wheat genotypes.

3. Provide feedback to breeders seeking to create new cultivars in response to specific challenges such as newly emergent plant pathogens or changing global weather patterns.

Our specific objectives:

1. Maximize the efficiency of plant breeding programs by applying high-throughput DNA marker-assisted selection (MAS) technology, resulting in the early release of superior germplasm and cultivars.

2. Develop new and robust DNA markers associated with resistance to biotic and abiotic stresses and end use quality in wheat through next generation sequencing and functional gene cloning.

3. Fingerprint a core set of cultivars and their breeding parents with DNA markers to develop molecular marker profiles for these cultivars, which will be cross-linked to other genetic information currently available in other USDA databases.

4. Exploit new technologies such as next generation sequencing and other high throughput genotyping technologies for gene discovery and genomic selection in breeding programs.

5. Provide training and consultation on marker analysis to breeders and other scientists.

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