✦ LIBER ✦
DNA inversion mediated by the r-determinant of plasmid NR1: Evidence for the intramolecular replicative transposition of a 23 kb IS1-flanked transposon?
✍ Scribed by Iida, Shigeru ;Hänni, Christine ;Meyer, Jürg ;Arber, Werner
- Publisher
- Springer
- Year
- 1986
- Tongue
- English
- Weight
- 281 KB
- Volume
- 205
- Category
- Article
- ISSN
- 0026-8925
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✦ Synopsis
The r-determinant (r-det) of the R plasmid NR1-Basel is a 23 kb, IS1-flanked transposon, called Tn2671, which has been shown to transpose to the genome of bacteriophage P7. Among the derivatives of phage P7::r-det we found one which carried two copies of the r-det as inverted repeats and which also contained the P7 genome segment between them in inverted orientation. Its generation is best explained by assuming that the entire 23 kb Tn2671 transposon has undergone intramolecular replicative transposition.