Comparative evaluation of different cell disruption methods for the release of recombinant hepatitis B core antigen from Escherichia coli

Chin Woi Ho, Wen Siang Tan, Wei Boon Yap, Tau Chuan Ling, Beng Ti Tey

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

A comparative evaluation of five different cell-disruption methods for the release of recombinant hepatitis B core antigen (HBcAg) from Escherichia coli was investigated. The cell disruption techniques evaluated in this study were high-pressure homogenization, batch-mode bead milling, continuous-recycling bead milling, ultrasonication, and enzymatic lysis. Continuous-recycling bead milling was found to be the most effective method in terms of operating cost and time. However, the highest degree of cell disruption and amounts of HBcAg were obtained from the high-pressure homogenization process. The direct purification of HBcAg from the unclarified cell disruptate derived from high-pressure homogenization and bead milling techniques, using batch anion-exchange adsorption methods, showed that the conditions of cell disruption have a substantial effect on subsequent protein recovery steps.

Original languageEnglish
Pages (from-to)577-583
Number of pages7
JournalBiotechnology and Bioprocess Engineering
Volume13
Issue number5
DOIs
Publication statusPublished - 2008
Externally publishedYes

Fingerprint

Hepatitis B Core Antigens
Antigens
Escherichia coli
Recycling
Pressure
Operating costs
Purification
Anions
Ion exchange
Negative ions
Proteins
Adsorption
Recovery
Costs and Cost Analysis

Keywords

  • Batchanion-exchange adsorption
  • Bead milling
  • Hepatitis B core antigen
  • High-pressure homogenization
  • Lysozyme
  • Ultrasonication

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology
  • Biomedical Engineering
  • Bioengineering

Cite this

Comparative evaluation of different cell disruption methods for the release of recombinant hepatitis B core antigen from Escherichia coli. / Ho, Chin Woi; Tan, Wen Siang; Yap, Wei Boon; Ling, Tau Chuan; Tey, Beng Ti.

In: Biotechnology and Bioprocess Engineering, Vol. 13, No. 5, 2008, p. 577-583.

Research output: Contribution to journalArticle

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