A transposon, Ping, is integrated into intron 4 of the DROOPING LEAF gene of rice, weakly reducing its expression and causing a mild drooping leaf phenotype.

Abstract excerpt

The YABBY gene DROOPING LEAF (DL) regulates midrib formation in the leaves and carpel specification in the flowers of rice (Oryza sativa L). We found a new dl allele (dl-5) that caused a mild phenotype in the descendants of a mutable line, IM294. In plants homozygous for this allele, midrib structures were formed but their sizes were reduced. Molecular analysis revealed that a transposon, Ping, was inserted in...

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