ArticleYeast (Chichester, England)1999
High-efficiency gene targeting in Schizosaccharomyces pombe using a modular, PCR-based approach with long tracts of flanking homology.
Article in Yeast (Chichester, England), 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 109 papers.
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109 citing papers in PubMed, 189 citations in OpenAlex.
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49 more citing papers are in PubMed but not listed here.
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Bähler et al.(1998) recently described a PCR-based system for the deletion, tagging and overexpression of endogenous genes in the fission yeast Schizosaccharomyces pombe. A small set of PCR primers can be used to generate gene-targeting substrates from each of several modules that differ in the selectable marker (ura4(+) or kanMX6), the presence or absence of specific epitope tags (HA, Myc, GST or GFP), the position in which the epitopes will be inserted (C- or N-terminal), and the presence or absence of a regulatable promoter (the nmt1 promoter). This is a straightforward and powerful system: nine different genes were C-terminal tagged at an average efficiency of 73%, using primers producing only 60-81 bp of homology. In contrast, when studying three transcriptionally-silent genes (rec8(+), rec10(+) and rec11(+)) we obtained an average homologous integration efficiency of 4% for 12 targeting constructs when using primers that contained 80 bp of homology. By using a PCR-based increase in the amount of flanking homology to >/=250 bp, we obtained homologous integration efficiencies of up to 100%. Thus, loci of S. pombe that are refractory to gene targeting when using short tracts of homology can be readily modified by increasing the extent of homology flanking the targeting modules. This straightforward and cost-effective approach might therefore be the one of choice for the modification of S. pombe loci in general and of targeting-refractory loci in particular.
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10509024PMC3190138W2025868611What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.