Acid tolerance and endogenous acid production by oral bifidobacteria

Kazuko Nakajo, David Beighton, Nobuhiro Takahashi

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This study focused on the responses of oral bifidobacteria to acidification and their ability of endogenous acid production without an extracellular energy source. In the absence of exogenous glucose, the viability and the stability of intracellular pH of bifidobacteria were maintained at acidic pH, besides bifidobacteria continued to produce acid even at acidic pH. The continuous acid production from endogenous energy source in acidic environment may contribute to acid tolerance of bifidobacteria in the absence of extracellular energy source.

Original languageEnglish
Title of host publicationInterface Oral Health Science 2011
PublisherSpringer Japan
Pages195-197
Number of pages3
ISBN (Electronic)9784431540700
ISBN (Print)9784431540694
DOIs
Publication statusPublished - 2012 Jan 1

Keywords

  • Endogenous acid Production
  • Viability
  • bifidobacteria
  • mutans streptococci
  • pHin

ASJC Scopus subject areas

  • Dentistry(all)

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