pET expression vector customized for efficient seamless cloning

Biotechniques. 2020 Nov;69(5):384-387. doi: 10.2144/btn-2020-0101. Epub 2020 Nov 2.

Abstract

Here we present a modification of the widely used pET29 expression vector for use in rapid and straightforward parallel cloning via a gene replacement and Golden Gate strategy. The modification can be applied to other expression vectors for Gram-negative bacteria. We have used the modified vectors to clone large numbers of bacterial natural enzyme variants from genomic and metagenomic sources for applications in biocatalysis.

Keywords: Golden Gate; expression in E. coli; pET vectors; sacB; seamless cloning.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bacillus subtilis / genetics
  • Cloning, Molecular / methods*
  • Genes, Bacterial
  • Genetic Vectors / metabolism*
  • Plasmids / genetics*