Constitutive promoter

摘要

The invention relates to an isolated nucleic acid sequence comprising a promoter, which is a native sequence of Pichia pastoris comprising the nucleic acid sequence of pCS1 of SEQ ID NO:1, or a functionally active variant thereof which is a size variant, a mutant or hybrid of SEQ ID NO:1, or a combination thereof, expression constructs and recombinant host cells comprising the promoter, and a method of producing a protein of interest under the control of the promoter. It further relates to a method to identify a constitutive promoter from eukaryotic cells, and an isolated nucleic acid sequence comprising a promoter which when operatively linked to a nucleotide sequence encoding a protein of interest directs the expression thereof in a host cell at an expression level that is higher than under control of the native pGAP promoter at high and low growth rates.

主权项

1. An isolated nucleic acid sequence comprising SEQ ID NO:1, a variant having at least 90% homology to SEQ ID NO:1, operably linked to a heterologous nucleotide sequence encoding a protein of interest (POI).