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Title 

Feeding strategies for the enhanced production of recombinant human serum albumin in the fed-batch cultivation of Hansenula polymorpha

 

한세눌라폴리모르파를 사용한 유가식배양에서 재조합인간알부민의 생산을 위한 배지공급방법에관한 연구

Authors 

Joo-Hyung HeoV AnaninH A KangSang Ki RheeChul Ho Kim

Publisher 

Elsevier

Issue Date 

2008

Citation 

Process Biochemistry, vol. 43, no. 9, pp. 918-924

Keywords 

fed-batch fermentationfeeding strategyhansenula polymorphahuman serum albuminMOX promoterrecombinant proteinenhanced productionfed-batch cultivationsrecombinant human serum albumin (rHSA)

Abstract 

An intermittent feeding strategy in fed-batch cultivation has been widely applied to control the accumulation of overflow toxic metabolites and oxygen limitation. However, successive depletions of carbon source by carbon-limited feeding might induce considerable stress to host cells, such as nutrient starvation, which may evoke the enhanced degradation of secreted recombinant proteins by proteolysis. To prevent this degradation, we evaluated novel nutrient feeding strategies for the production of MOX promoter-driven recombinant human serum albumin in the fed-batch cultivation of Hansenula polymorpha. Compared to conventional feeding strategies such as exponential or intermittent feeding strategy, feeding strategies developed in the present study significantly reduced the degradation of recombinant products and yielded high levels of intact recombinant human serum albumin in fed-batch cultivation.

ISSN 

0032-9592

Link 

http://dx.doi.org/10.1016/j.procbio.2008.04.017

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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