The frequency of integrative transformation at phase-specific genes of Candida albicans correlates with their transcriptional state

Srikantha Thyagarajan, Brian Morrow, Klaus Schröppel, David R. Soll

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33 Citations (Scopus)

Abstract

The phase transition between the white and opaque phenotypes in the switching system of Candida albicans strain WO-1 is accompanied by the differential expression of the white-specific gene WH11 and the opaque-specific gene PEP1. The frequency of integrative transformation at the white-specific gene locus WH11 is between 4.5 and 7.0 times more frequent in white than in opaque spheroplasts, and the frequency of disruptive transformation at the opaque-specific gene locus PEP1 is 30.5 times more frequent in opaque spheroplasts than in white spheroplasts. In contrast, the frequencies of integrative transformation at the constitutively expressed loci ADE2 and EF1α2 are similar in the white and opaque phases. Therefore, the frequency of integration of linear plasmid DNA containing sequences of phase-specific genes correlates with the transcriptional state of the targeted locus.

Original languageEnglish
Pages (from-to)342-352
Number of pages11
JournalMGG Molecular & General Genetics
Volume246
Issue number3
DOIs
StatePublished - 1 May 1995

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Candida albicans
Spheroplasts
Genes
Phase Transition
Plasmids
Phenotype

Keywords

  • Candida albicans
  • Integrative transformation
  • Phenotypic switching
  • Recombination

Cite this

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abstract = "The phase transition between the white and opaque phenotypes in the switching system of Candida albicans strain WO-1 is accompanied by the differential expression of the white-specific gene WH11 and the opaque-specific gene PEP1. The frequency of integrative transformation at the white-specific gene locus WH11 is between 4.5 and 7.0 times more frequent in white than in opaque spheroplasts, and the frequency of disruptive transformation at the opaque-specific gene locus PEP1 is 30.5 times more frequent in opaque spheroplasts than in white spheroplasts. In contrast, the frequencies of integrative transformation at the constitutively expressed loci ADE2 and EF1α2 are similar in the white and opaque phases. Therefore, the frequency of integration of linear plasmid DNA containing sequences of phase-specific genes correlates with the transcriptional state of the targeted locus.",
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The frequency of integrative transformation at phase-specific genes of Candida albicans correlates with their transcriptional state. / Thyagarajan, Srikantha; Morrow, Brian; Schröppel, Klaus; Soll, David R.

In: MGG Molecular & General Genetics, Vol. 246, No. 3, 01.05.1995, p. 342-352.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - The frequency of integrative transformation at phase-specific genes of Candida albicans correlates with their transcriptional state

AU - Thyagarajan, Srikantha

AU - Morrow, Brian

AU - Schröppel, Klaus

AU - Soll, David R.

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AB - The phase transition between the white and opaque phenotypes in the switching system of Candida albicans strain WO-1 is accompanied by the differential expression of the white-specific gene WH11 and the opaque-specific gene PEP1. The frequency of integrative transformation at the white-specific gene locus WH11 is between 4.5 and 7.0 times more frequent in white than in opaque spheroplasts, and the frequency of disruptive transformation at the opaque-specific gene locus PEP1 is 30.5 times more frequent in opaque spheroplasts than in white spheroplasts. In contrast, the frequencies of integrative transformation at the constitutively expressed loci ADE2 and EF1α2 are similar in the white and opaque phases. Therefore, the frequency of integration of linear plasmid DNA containing sequences of phase-specific genes correlates with the transcriptional state of the targeted locus.

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