The superior growth of Kluyveromyces marxianus at very low potassium concentrations is enabled by the high-affinity potassium transporter Hak1.

Papouskova K; Akinola J; Ruiz-Castilla FJ; Morrissey JP; Ramos J; Sychrova H
FEMS yeast research 2024 · Czech Republic · PubMed · DOI · PMC

Results (5 findings)

• HAK1 heterologous expression → increases potassium uptake (growth under potassium starvation) in importer-deficient S. cerevisiae + Positive
  host Saccharomyces cerevisiae · strain potassium-importer-deficient mutant (strain not named in abstract) · Papouskova K 2024 · details
• TRK1 heterologous expression → increases potassium uptake (growth under potassium starvation) in importer-deficient S. cerevisiae + Positive
  host Saccharomyces cerevisiae · strain potassium-importer-deficient mutant (strain not named in abstract) · Papouskova K 2024 · details
• HAK1 heterologous expression + TRK1 heterologous expression + TRK2 heterologous expression → increases sodium and lithium salt tolerance + Positive
  host Saccharomyces cerevisiae · strain potassium-importer-deficient mutant (strain not named in abstract) · Papouskova K 2024 · details
• HAK1 overexpression → increases potassium uptake (growth under potassium starvation) in hak1 trk1 double knockout + Positive
  host K. marxianus · Papouskova K 2024 · details
• TRK1 overexpression → increases potassium uptake (growth under potassium starvation) in hak1 trk1 double knockout + Positive
  host K. marxianus · Papouskova K 2024 · details

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