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Transposable elements (TEs) have a significant impact on the evolution of gene function and genome structures. An endogenous nonautonomous transposable element nDart was discovered in an albino mutant that had an insertion in the Mg-protoporphyrin IX methyltransferase gene in rice. In this study, we
A transposable element that is active in intact plants has been identified in rice (Oryza sativa L.). The 607-bp element itself, termed nonautonomous DNA-based active rice transposon (nDart), has no coding capacity. It was found inserted in the gene encoding Mg-protoporphyrin IX methyltransferase in
DNA transposons are known to frequently capture duplicated fragments of host genes. The evolutionary impact of this phenomenon depends on how frequently the fragments retain protein-coding function as opposed to becoming pseudogenes. Gene fragment duplication by Mutator-like elements (MULEs) has