Protein glycosylation modification in Pichia pastoris

   
   

The present invention provides genetically engineered strains of Pichia capable of producing proteins with reduced glycosylation. In particular, the genetically engineered strains of the present invention are capable of expressing either or both of an (.alpha.-1,2-mannosidase and glucosidase II. The genetically engineered strains of the present invention can be further modified such that the OCH1 gene is disrupted. Methods of producing glycoproteins with reduced glycosylation using such genetically engineered stains of Pichia are also provided.

La actual invención provee de las tensiones genético dirigidas de Pichia capaces de producir las proteínas el glycosylation reducido. En detalle, las tensiones genético dirigidas de la actual invención son capaces de expresar cualquiera o ambo (el alpha.-1,2-mannosidase y el glucosidase II. Las tensiones genético dirigidas de la actual invención pueden más a fondo ser modificadas tales que el gene OCH1 está interrumpido. Los métodos de producir las glicoproteínas con el glycosylation reducido que usa tales manchas genético dirigidas de Pichia también se proporcionan.

 
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