Chromosomal integration and expression of green fluorescent protein in Zymomonas mobilis

Osvaldo Delgado, MA Martinez, CM Abate, F Sineriz

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7 Citations (SciVal)


An integrative vector was constructed to allow expression of heterologous proteins into the adhB locus of Zymomonas mobilis. As a reporter gene, the ORF of a bright variant of green fluorescent protein from Aequorea victoria (GFPuv) was fused to the adhB strong promoter from Z. mobilis by using a two-step PCR strategy. Z. mobilis recombinant strains that were stably marked by precise gene replacement at adhB locus with a single chromosomal copy of gfpuv. Protein expression was confirmed by fluorescence microscopy and measured by fluorescence spectroscopy, showing high expression levels (12 to 30 times higher than those obtained in E. coli) without affecting the host growth.
Original languageEnglish
Pages (from-to)1285-1290
JournalBiotechnology Letters
Issue number15
Publication statusPublished - 2002

Subject classification (UKÄ)

  • Industrial Biotechnology


  • PCR
  • Zymomonas mobilis
  • gfpuv
  • alcohol dehydrogenase
  • expression vector


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