A toolbox of endogenous and heterologous nuclear localization sequences for the methylotrophic yeast Pichia pastoris

Astrid Weninger, Anton Glieder, Thomas Vogl

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Nuclear localization sequences (NLSs) are required for the import of proteins in the nucleus of eukaryotes. However many proteins from bacteria or bacteriophages are used for basic studies in molecular biology, to generate synthetic genetic circuits or for genome editing applications. Prokaryotic recombinases, CRISPR-associated proteins such as Cas9 or bacterial and viral polymerases require efficient NLSs to function in eukaryotes. The yeast Pichia pastoris is a widely used expression platform for heterologous protein production, but molecular tools such as NLSs are limited. Here we have characterized a set of 10 NLSs for P. pastoris, including the first endogenous NLSs (derived from P. pastoris proteins) and commonly used heterologous NLSs. The NLSs were evaluated by fusing them in N- and C-terminal position to an enhanced green fluorescent protein showing pronounced differences in fluorescence levels and nuclear targeting. Thereby we provide a set of different NLSs that can be applied to optimize the nuclear import of heterologous proteins in P. pastoris, paving the way for the establishment of intricate synthetic biology applications.

Original languageEnglish
Article number fov082
Number of pages4
JournalFEMS yeast research
Volume15
Issue number7
DOIs
Publication statusPublished - Nov 2015

Fingerprint

Pichia
Yeasts
Proteins
Eukaryota
CRISPR-Associated Proteins
Synthetic Biology
Recombinases
Cell Nucleus Active Transport
Bacteriophages
Molecular Biology
Fluorescence
Bacteria

Keywords

  • Fungal Proteins
  • Genes, Reporter
  • Green Fluorescent Proteins
  • Nuclear Localization Signals
  • Pichia
  • Protein Engineering
  • Recombinant Fusion Proteins
  • Journal Article
  • Research Support, Non-U.S. Gov't

Cite this

A toolbox of endogenous and heterologous nuclear localization sequences for the methylotrophic yeast Pichia pastoris. / Weninger, Astrid; Glieder, Anton; Vogl, Thomas.

In: FEMS yeast research, Vol. 15, No. 7, fov082, 11.2015.

Research output: Contribution to journalArticleResearchpeer-review

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