Expression of the colH gene encoding Clostridium histolyticum collagenase in Bacillus subtilis and its application to enzyme purification

Chang Min Jung, Osamu Matsushita, Seiichi Katayama, Junzaburo Minami, Iichiro Ohhira, Akinobu Okabe

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The colH gene encoding 116-kDa collagenase of Clostridium histolyticum (cColH) was cloned into an Escherichia coli-Bacillus subtilis shuttle vector to develop a method for purification of recombinant collagenase (rColH). When plasmid pJCM310 containing the colH gene was introduced into B. subtilis DB104 and the transformant was grown in LB broth at 37 C, stability of the plasmid was not maintained. However, stability was partly improved by growing the transformant in a modified LB broth containing 0.5 M sodium succinate with gentle shaking at 35 C. When the transformant was grown to an optical density of 0.4 at 600 nm in this medium, pJCM310 was stable and rColH was produced in sufficient amounts. rColH was purified to homogeneity by ammonium sulfate precipitation, gel filtration and ion-exchange chromatography. The yield of rColH from an 800-ml culture was 0.53 mg and its specific activity was estimated to be 1,210 U per mg of protein. The purified rColH was capable of degrading native type-I collagen fibril from bovine achilles tendon, as was demonstrated by zymography. A comparison of the N-terminal amino acid sequence between cColH and rColH revealed that rColH has 10 extra N-terminal amino acid residues. However, the peptide mapping of rColH with V8 protease was virtually identical to that of cColH. Furthermore, the molecular mass of rColH was estimated to be 112,999 Da by mass spectrometry, coinciding with the value of 112,977 Da, which was predicted from the nucleotide sequence of the colH gene. Therefore, the recombinant B. subtilis culture is capable of serving as a useful source for enzyme purification.

Original languageEnglish
Pages (from-to)923-929
Number of pages7
JournalMicrobiology and Immunology
Volume40
Issue number12
Publication statusPublished - 1996
Externally publishedYes

Fingerprint

Microbial Collagenase
Bacillus subtilis
Gene Expression
Plasmids
Enzymes
Genes
Genetic Vectors
Achilles Tendon
Peptide Mapping
Ion Exchange Chromatography
Ammonium Sulfate
Succinic Acid
Collagenases
Collagen Type I
Gel Chromatography
Amino Acid Sequence
Mass Spectrometry
Sodium
Escherichia coli
Amino Acids

Keywords

  • Bacillus subtilis
  • Clostridium histolyticum
  • Collagenase
  • Recombinant enzyme

ASJC Scopus subject areas

  • Immunology and Microbiology(all)
  • Microbiology (medical)
  • Microbiology

Cite this

Expression of the colH gene encoding Clostridium histolyticum collagenase in Bacillus subtilis and its application to enzyme purification. / Jung, Chang Min; Matsushita, Osamu; Katayama, Seiichi; Minami, Junzaburo; Ohhira, Iichiro; Okabe, Akinobu.

In: Microbiology and Immunology, Vol. 40, No. 12, 1996, p. 923-929.

Research output: Contribution to journalArticle

Jung, Chang Min ; Matsushita, Osamu ; Katayama, Seiichi ; Minami, Junzaburo ; Ohhira, Iichiro ; Okabe, Akinobu. / Expression of the colH gene encoding Clostridium histolyticum collagenase in Bacillus subtilis and its application to enzyme purification. In: Microbiology and Immunology. 1996 ; Vol. 40, No. 12. pp. 923-929.
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