Efficient Expression Vectors and Host Strain for the Production of Recombinant Proteins by Yarrowia Lipolytica in Process Conditions
Overview
Microbiology
Authors
Affiliations
Background: The oleaginous yeast Yarrowia lipolytica is increasingly used as an alternative cell factory for the production of recombinant proteins. Recently, regulated promoters from genes EYK1 and EYD1, encoding an erythrulose kinase and an erythritol dehydrogenase, respectively, have been identified and characterized in this yeast. Hybrid promoters up-regulated by polyols such as erythritol and erythrulose have been developed based on tandem copies of upstream activating sequences from EYK1 (UAS1) and XPR2 (encoding extracellular protease, UAS1) promoters.
Results: The strength of native (pEYD1) and engineered promoters (pEYK1-3AB and pHU8EYK) was compared using the extracellular lipase CalB from Candida antarctica as a model protein and a novel dedicated host strain. This latter is engineered in polyol metabolism and allows targeted chromosomal integration. In process conditions, engineered promoters pEYK1-3AB and pHU8EYK yielded 2.8 and 2.5-fold higher protein productivity, respectively, as compared to the reference pTEF promoter. We also demonstrated the possibility of multicopy integration in the newly developed host strain. In batch bioreactor, the CalB multi-copy strain RIY406 led to a 1.6 fold increased lipase productivity (45,125 U mL) within 24 h as compared to the mono-copy strain.
Conclusions: The expression system described herein appears promising for recombinant extracellular protein production in Y. lipolytica.
Efficient biosynthesis of β-caryophyllene by engineered Yarrowia lipolytica.
Park Y, Studena L, Hapeta P, Haddouche R, Bell D, Torres-Montero P Microb Cell Fact. 2025; 24(1):38.
PMID: 39910564 PMC: 11800524. DOI: 10.1186/s12934-025-02660-w.
Liu P, Zhang T, Zheng Y, Li Q, Su T, Qi Q Eng Microbiol. 2024; 1:100003.
PMID: 39629164 PMC: 11610943. DOI: 10.1016/j.engmic.2021.100003.
Gorczyca M, Korpys-Wozniak P, Celinska E Int J Mol Sci. 2024; 25(17).
PMID: 39273402 PMC: 11395014. DOI: 10.3390/ijms25179450.
Aguilar Suarez R, Kohlstedt M, Oktem A, Neef J, Wu Y, Ikeda K ACS Synth Biol. 2024; 13(7):2199-2214.
PMID: 38981062 PMC: 11264325. DOI: 10.1021/acssynbio.4c00254.
Production of Rhizopus oryzae lipase using optimized Yarrowia lipolytica expression system.
Vidal L, Dong Z, Olofsson K, Karlsson E, Nicaud J FEMS Yeast Res. 2023; 23.
PMID: 37496194 PMC: 10384013. DOI: 10.1093/femsyr/foad037.