Monocot and Dicot Share Defense Components Against Fungal Disease
News Jan 11, 2011
Scientist Matt Humphry of the Max Planck Institute for Plant Breeding Research and his team identified a set of genes regulated by a common protein that has been conserved in the genome of monocot and dicot plants since the evolutionary split that occurred approximately 200 million years ago.
The defense components confer resistance to fungal powdery mildew disease, a common fungal disease among plants. They conducted a linear regression analysis using microarray data of the known defense components gathered from barley and Arabidopsis.
Results showed that these defense components have coexpressed genes. In Arabidopsis, the coexpressed genes have a common element that is responsible for the defense components' coordinated function. Results of the study can be used to develop plants' inherent immunity.
Previous work by the International Multiple Sclerosis Genetics Consortium (IMSGC) has identified 233 genetic risk variants. However, these only account for about 20% of overall disease risk, with the remaining genetic culprits proving elusive. A new study has tracked down four of these hard-to-find genes.READ MORE
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