Cited by 250Microbial Metabolic Engineering and BioproductionBacterial Genetics and BiotechnologyFungal and yeast genetics research

Expression of cloned homologous fermentative genes in Clostridium acetobutylicum ATCC 824

Mermelstein, Lee D., Welker, Neil E., Bennett, George N., Papoutsakis, Eleftherios T.·1992·Nature Biotechnology

Abstract

We have previously cloned the acetone-formation pathway gene, encoding acetoacetate decarboxylase (adc), and butyrate-formation pathway gene, encoding phosphotransbutyrylase (ptb), of Clostridium acetobutylicum ATCC 824 in Escherichia coli. Here we report their subcloning in Bacillus subtilis and transfer to strain ATCC 824 via electrotransformation, where the corresponding enzyme activities were expressed at elevated levels, using pFNK1, a new B. subtilis/C. acetobutylicum shuttle vector. Plasmid pFNK1 was used because shuttle vectors that function in E. coli were unable to electrotransform ATCC 824 unless they became deleted in the E. coli-plasmid regions. The difficulties with shuttle vectors that function in E. coli are probably due to the presence of a restriction endonuclease in ATCC 824. This endonuclease recognizes the sequence 5'-GCNGC-3', which is prevalent in E. coli plasmids but occurs infrequently in pFNK1 and C. acetobutylicum genes. Cloning of genes in C. acetobutylicum is critical for redirecting the cellular metabolism (metabolic engineering) as well as for genetic studies of this industrial organism.

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Crossref · 10.1038/nbt0292-190

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  • Some well-studied non-acetogenic clostridia, such as C. acetobutylicum, C. beijerinckii, C. difficile, and C. botulinum, have transformation protocols that were established as early as 1988.

    “Some of the well-studied, non-acetogenic clostridia, such as the ABE model organisms C. acetobutylicum (Mermelstein et al., 1992) and C. beijerinckii (Oultram et al., 1988), and important pathogens, such as C. difficile (Ackermann et al., 2001) and C. botulinum (Zhou and Johnson, 1993), have transformation protocols that were established as early as 1988.”

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Authors
Mermelstein, L. D., Welker, N. E., Bennett, G. N., & Papoutsakis, E. T.
Affiliations
  • Northwestern University (US)
  • Rice University (US)
Venue
Nature Biotechnology
Published
1992-02
Volume
10
Issue
2
Pages
190-195
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W2009188183
Cited by
249
References
31
Citations by year
2025: 4 · 2024: 5 · 2023: 4 · 2022: 6 · 2021: 7 · 2020: 6 · 2019: 12 · 2018: 10 · 2017: 4 · 2016: 17 · 2015: 8 · 2014: 18 · 2013: 14 · 2012: 12
FWCI
2.91
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
Keywords
Clostridium acetobutylicum, acetoacetate decarboxylase, acetone production, butyrate production, heterologous expression, Bacillus subtilis, shuttle vector, electrotransformation, restriction enzymes, metabolic engineering
MeSH terms
Bacillus subtilis, Carboxy-Lyases, Cloning, Molecular, Clostridium, DNA, Bacterial, Escherichia coli, Fermentation, Genes, Bacterial, Genetic Vectors, Phosphate Acetyltransferase, Plasmids, Restriction Mapping

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