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New method for associating genetic variation with crop traits
Date:7/22/2012

Markers associated with measured trait variation can be identified in essentially any crop species, including traits controlled at the level of gene expression variation rather than gene sequence variation, such as those with an epigenetic basis.

In an example of such an application, the researchers are now working with plant breeding company Limagrain to produce reliable markers for hybrid performance in oilseed rape. Marker-assisted breeding for this complex trait has previously been unsuccessful due to a lack of available markers and appropriate technology.

Using bioinformatics techniques it is possible to associate variation in both the sequences of expressed genes and their relative abundance in the mRNA with important traits, and then produce markers for these traits that breeders can use in their breeding programmes. Their research was published in the journal Nature Biotechnology and was funded by the Biotechnology and Biological Sciences Research Council (BBSRC) and the UK Department for Environment, Food and Rural Affairs (Defra).


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Contact: Andrew Chapple
andrew.chapple@nbi.ac.uk
44-160-325-1490
Norwich BioScience Institutes
Source:Eurekalert

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