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Scientific interests

 

The 'crop circles' diagram shows the chromosomes of the various cereal crop species aligned so that any radius passes through homoeologous (orthologous) genes. Rice, in the middle, has a small genome size at 400 Mb, while wheat, on the outside, has one of the largest at 6,000 Mb. The genomes of foxtail millet, sorghum, pearl millet and maize comprise the intervening circles.

 

My research lab is now closed, however I maintain an interest in all aspects of cereal genetics.  In recent years our research concentrated on the comparative genetics of the economically important grasses, including evolutionary, breeding and genomics applications.  Biodiversity studies were a significant part of the programme, with projects on genome-wide genotyping of wheat to understand breeding programmes and ‘genome scanning’ in rice to facilitate assembly and exploitation of core ex situ collections.

Particular traits of importance in wheat adaptation, such as pre-harvest sprouting and grain dormancy, and plant height all received attention.  Although wheat was our major interest, we had collaborations with breeders in developing countries for pearl millet, finger millet and foxtail millet, where we have developed molecular maps.