Induction studies with Escherichia coli expressing recombinant interleukin-13 using multi-parameter flow cytometry

Publication: Research - peer-reviewJournal article – Annual report year: 2009

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The expression of interleukin-13 (IL13) following induction with IPTG in Escherichia coli results in metabolic changes as indicated by multi-parameter flow cytometry and traditional methods of fermentation profiling (O-2 uptake rate, CO2 evolution rate and optical density measurements). Induction early in the rapid growth phase was optimal although this led to lower overall biomass concentrations and lower maximum specific growth rates. In contrast, induction in the mid-rapid growth phase was the most detrimental to cell quality as measured by cytoplamsic membrane depolarisation.
Original languageEnglish
JournalBiotechnology Letters
Publication date2009
Volume31
Journal number4
Pages577-584
ISSN0141-5492
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 4

Keywords

  • Flow cytometry, Interleukin-13, Escherichia coli, Cytoplasmic membrane potential, Recombinant protein
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