Dextran sodium sulfate enhances secretion of recombinant human transferrin in Schizosaccharomyces pombe

Hiroyuki Mukaiyama, Yuko Giga-Hama, Hideki Tohda, Kaoru Takegawa

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The effect of medium supplementation on heterologous production of human serum transferrin (hTF) in the fission yeast Schizosaccharomyces pombe has been investigated. The productivity of recombinant hTF was low in wild-type S. pombe cells. To overcome this impediment, culture media supplements were screened for their ability to improve secretion of hTF. Casamino acids (CAA), which have been reported to increase heterologous protein productivity in Pichia pastoris, improved the secretion hTF by more than fourfold. An anion surfactant deoxycholate or polyethylene glycol also improved the secretion hTF. Interestingly, dextran sodium sulfate (DSS), a poly-anion surfactant, was found to enhance production of secreted hTF better than any other supplement tested. Addition of DSS in the presence of 2% CAA exhibited a synergistic effect on increasing hTF secretion, resulting in an increase of about sevenfold relative to conventional conditions. Cell growth was not found to be affected by the addition of DSS or CAA. DSS may act as a surfactant and may also facilitate the anchoring of liposomes, and these properties may contribute to efficient secretion or exocytosis through the plasma membrane.

Original languageEnglish
Pages (from-to)155-164
Number of pages10
JournalApplied Microbiology and Biotechnology
Volume85
Issue number1
DOIs
Publication statusPublished - Nov 1 2009

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Dextran Sulfate
Schizosaccharomyces
Transferrin
Serum
Surface-Active Agents
Anions
Deoxycholic Acid
Pichia
Exocytosis
Liposomes
Culture Media
Cell Membrane
Growth
casamino acids

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Applied Microbiology and Biotechnology

Cite this

Dextran sodium sulfate enhances secretion of recombinant human transferrin in Schizosaccharomyces pombe. / Mukaiyama, Hiroyuki; Giga-Hama, Yuko; Tohda, Hideki; Takegawa, Kaoru.

In: Applied Microbiology and Biotechnology, Vol. 85, No. 1, 01.11.2009, p. 155-164.

Research output: Contribution to journalArticle

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