A Tn3 derivative that can be used to make short in-frame insertions within genes

M. F. Hoekstra, D. Burbee, J. Singer, E. Mull, E. Chiao, Fred Heffron

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A Tn3 derivative was constructed to make small in-frame insertions within genes. The transposon contains the URA3 gene, the tetA gene, a truncated lacZ, and phage P1 loxP recombination sites at either end. Insertions that have fused lacZ to an open reading frame are lac+ because they express the truncated lacZ. In the presence of the phage P1 cyclization recombinase cre, the transposon can delete the URA3, tetA, and lacZ genes between the two loxP sites. The remaining short imperfect palindrome contains the ends of Tn3 and a loxP site and does not contain a translational termination codon in the correct reading frame. We have analyzed several insertions within the yeast HO gene. Several insertions inactivate HO and prohibit initiation of mating-type switching. In contrast, an epitope inserted in the central portion encodes a functional HO endonuclease.

Original languageEnglish (US)
Pages (from-to)5457-5461
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume88
Issue number12
StatePublished - Jun 15 1991
Externally publishedYes

Fingerprint

Insertional Mutagenesis
Bacteriophage P1
Genes
Reading Frames
Lac Operon
Terminator Codon
Endonucleases
Cyclization
Genetic Recombination
Open Reading Frames
Epitopes
Yeasts

Keywords

  • Saccharomyces cerevisiae
  • Transposon mutagenesis

ASJC Scopus subject areas

  • General
  • Genetics

Cite this

Hoekstra, M. F., Burbee, D., Singer, J., Mull, E., Chiao, E., & Heffron, F. (1991). A Tn3 derivative that can be used to make short in-frame insertions within genes. Proceedings of the National Academy of Sciences of the United States of America, 88(12), 5457-5461.

A Tn3 derivative that can be used to make short in-frame insertions within genes. / Hoekstra, M. F.; Burbee, D.; Singer, J.; Mull, E.; Chiao, E.; Heffron, Fred.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 88, No. 12, 15.06.1991, p. 5457-5461.

Research output: Contribution to journalArticle

Hoekstra, MF, Burbee, D, Singer, J, Mull, E, Chiao, E & Heffron, F 1991, 'A Tn3 derivative that can be used to make short in-frame insertions within genes', Proceedings of the National Academy of Sciences of the United States of America, vol. 88, no. 12, pp. 5457-5461.
Hoekstra, M. F. ; Burbee, D. ; Singer, J. ; Mull, E. ; Chiao, E. ; Heffron, Fred. / A Tn3 derivative that can be used to make short in-frame insertions within genes. In: Proceedings of the National Academy of Sciences of the United States of America. 1991 ; Vol. 88, No. 12. pp. 5457-5461.
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