Efficient production of secreted proteins by Aspergillus: progress, limitations and prospects
1997
Gouka, R.J. | Punt, P.J. | Hondel, C.A.M.J.J. van den
Filamentous fungi are widely used for the production of homologous and heterologous proteins but, compared to homologous proteins, the levels of production of heterologous proteins are usually low. During the last 5 years, the levels of production of heterologous proteins have been drastically improved by fusing the corresponding gene to the 3 end of a homologous gene, encoding a well-secreted protein such as glucoamylase. Nevertheless, little research has been carried out determine the limitations that hamper heterologous protein production. Recently we have carried out a detailed analysis of the levels of production of several proteins and glucoamylase fusion proteins in defined recombinant Aspergillus awamori strains. In this review we will focus on the use of filamentous fungi for the production of heterologous, especially non-fungal, proteins. In particular, the effect of gene-fusion strategies will be reviewed. Furthermore, the remaining limitations in heterologous protein production and suggestions for improvement strategies for overproduction of these protein will be discussed.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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