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. 1993 Jun;5(6):631–638. doi: 10.1105/tpc.5.6.631

Heterologous transposon tagging of the DRL1 locus in Arabidopsis.

I Bancroft 1, J D Jones 1, C Dean 1
PMCID: PMC160301  PMID: 8392411

Abstract

The development of heterologous transposon tagging systems has been an important objective for many laboratories. Here, we demonstrate the use of a Dissociation (Ds) derivative of the maize transposable element Activator (Ac) to tag the DRL1 locus of Arabidopsis. The drl1 mutant shows highly abnormal development with stunted roots, few root hairs, lanceolate leaves, and a highly enlarged, disorganized shoot apex that does not produce an inflorescence. The mutation was shown to be tightly linked to a transposed Ds, and somatic instability was observed in the presence of the transposase source. Some plants showing somatic reversion flowered and produced large numbers of wild-type progeny. These revertant progeny always inherited a DRL1 allele from which Ds had excised. Analysis of the changes in DNA sequence induced by the insertion and excision of the Ds element showed that they were typical of those induced by Ac and Ds in maize.

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Selected References

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