【摘 要】
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Dear Editor,Resistance (R) genes represent one of the most divergent gene families in plants.Novel resistance function might arise through point mutations or se
【机 构】
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Key Laboratory of Horticulture Plant Biology,Ministry of Education,Key Laboratory of Horticultural C
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Dear Editor,Resistance (R) genes represent one of the most divergent gene families in plants.Novel resistance function might arise through point mutations or sequence exchanges between paralogues (Kuang et al., 2004;Luo et al., 2011, 2012).Sequence exchanges between homologues may generate a large number of distinct genes.In fact, some R gene families are extensive chimeras, contributing considerable resistance diversity for a species.In contrast, other R gene families are highly conserved between different genotypes.Distantly related plant speciesmay contain resistance against the same pathogen.
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