Heat shock proteins and inflammatory acne vulgaris: Molecular cloning, overexpression and purification of a Propionibacterium acnes GroEL and DnaK homologue

Mark D. Farrar, Eileen Ingham, Keith T. Holland

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Propionibacterium acnes is associated with inflammatory acne. The genes encoding two putative mediators of inflammation, the heat shock proteins GroEL and DnaK, were cloned from this organism and sequenced. groEL and dnaK encode proteins of 56.8 and 66.4 kDa, respectively, which show a high degree of homology (>75% similarity) to the GroEL and DnaK proteins of mycobacteria and streptomycetes. The promoter regions of both genes contain inverted repeat sequences believed to be involved in the transcriptional regulation of heat shock genes. Recombinant P. acnes GroEL and DnaK were overexpressed in Escherichia coli with C-terminal histidine tags. The recombinant proteins were purified from E. coli by metal affinity chromatography. These proteins will now be used in immunological investigations to determine their role in inflammatory acne. Copyright (C) 2000 Federation of European Microbiological Societies.
    Original languageEnglish
    Pages (from-to)183-186
    Number of pages3
    JournalFEMS microbiology letters
    Volume191
    Issue number2
    DOIs
    Publication statusPublished - 15 Oct 2000

    Keywords

    • Acne vulgaris
    • DnaK
    • GroEL
    • Propionibacterium acnes

    Fingerprint

    Dive into the research topics of 'Heat shock proteins and inflammatory acne vulgaris: Molecular cloning, overexpression and purification of a Propionibacterium acnes GroEL and DnaK homologue'. Together they form a unique fingerprint.

    Cite this