ArticleFolia microbiologica2023
Multiple effects of the PHO91 gene knockout in Ogataea parapolymorpha.
Article in Folia microbiologica, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 8 citations in OpenAlex.
- Alterations in proteinFrontiers in molecular biosciences · 2026Article
- Acidocalcisome-like vacuoles constitute a feedback-controlled phosphate buffering system for the cytosol.eLife · 2025Article
- Multilayered Regulation of Fungal Phosphate Metabolism: From Molecular Mechanisms to Ecological Roles in the Global Phosphorus Cycle.Life (Basel, Switzerland) · 2025Review
- Inability of Ogataea parapolymorpha pho91-Δ mutant to produce active methanol oxidase can be compensated by inactivation of the PHO87 gene.Folia microbiologica · 2025Article
Corrections and comments
- Erratum issued
Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pho91 is a vacuolar phosphate transporter that exports phosphate from the vacuolar lumen to the cytosol in yeast cells. In this study, we have demonstrated the pleiotropic effects of the PHO91 gene knockout in the methylotrophic yeast Ogataea parapolymorpha (Hansenula polymorpha, Ogataea angusta). The content of both acid-soluble and acid-insoluble inorganic polyphosphate (polyP) in the ∆pho91 cells was slightly higher compared to the strain with wild-type PHO91, when the cells were cultivated on glucose. The pho91-Δ mutations both in O. parapolymorpha and in Saccharomyces cerevisiae diminished resistance to cadmium and increased resistance to manganese and peroxide stresses. The cells of the mutant strain of O. parapolymorpha were unable to consume methanol due to the lack of methanol oxidase activity. We speculate that these effects are associated with the inability of mutant cells to mobilize phosphate from the vacuolar pool and/or defects in the signaling pathways involving phosphate, polyP, and inositol polyphosphates.
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Registered trials
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