Highlights from this paper:
Cassava mosaic disease seriously affects production of cassava in Africa and India.
Singe-gene resistance from related landraces is extensively deployed in breeding.
High-resolution mapping using genotyping-by-sequencing identifies a single locus.
Previously published resistance-linked markers co-locate with identified locus.
This suggests a very narrow genetic of the resistance in the crop’s genepool.
This work is part of the “Next Generation Cassava Breeding Project” which is supported by the UK Department for International Development, in partnership with the Bill & Melinda Gates Foundation.
Ismail Y. Rabbi, Martha T. Hamblin, P. Lava Kumar, Melaku A. Gedil, Andrew S. Ikpan, Jean-Luc Jannink, Peter A. Kulakow, High-resolution mapping of resistance to cassava mosaic geminiviruses in cassava using genotyping-by-sequencing and its implications for breeding, Virus Research, Volume 186, 2014, Pages 87-96,
High-resolution mapping of resistance to cassava mosaic geminiviruses in cassava using genotyping-by-sequencing and its implications for breeding