A novel glucosyltransferase from Streptococus mutans produces oligo-isomaltosaccharides

Yoshihisa Yamashita, Nobuhiro Hanada, Tadamichi Takehara

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Streptococcus mutans secretes a sucrose-independent branching enzyme that utilizes isomaltosaccharides as donors for branching formation on dextran. Although the branching enzyme is necessary for the formation of extracellular polysaccharide complexes, the source of the donor for the enzyme is unknown. In this study, we purified a novel glucosyltransferase from S. mutans and characterized its properties. The glucosyltransferase was primer independent 1,6-α-D-glucan synthase, which produced oligo-isomaltosaccharides. The enzyme was thought to be a source of donor for the branching enzyme in S. mutans.

Original languageEnglish
Pages (from-to)687-693
Number of pages7
JournalBiochemical and Biophysical Research Communications
Volume150
Issue number2
DOIs
Publication statusPublished - Jan 29 1988
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Biophysics
  • Molecular Biology

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