Relationship of arginine and lactose utilization by Lactococcus lactis ssp. lactis ML3

Lan szu Chou, Bart C Weimer, Richard Cutler

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The arginine deiminase (ADI) pathway exists in many microorganisms and is one of the main characteristics that distinguish between Lactococcus lactis ssp. lactis and ssp. cremoris. The ADI pathway converts arginine to produce ammonia, carbon dioxide, and ATP. Induction of this pathway in relation to energy production is not well characterized. The presence of arginine changed the metabolism of strain ML3 in the media containing different levels of lactose. The interaction between lactose and arginine utilization changed the pH of the growth medium in a cyclic pattern. Transcriptional analysis showed that the first enzyme in the ADI pathway (arginine deiminase, arcA) was induced by pH rather than arginine addition. Analysis of the ratio arginine to lactose led to a statistical model that linked lactose, arginine, external pH, and the ADI pathway.

Original languageEnglish (US)
Pages (from-to)253-258
Number of pages6
JournalInternational Dairy Journal
Volume11
Issue number4-7
DOIs
StatePublished - 2001
Externally publishedYes

Fingerprint

Lactococcus lactis
arginine deiminase
Lactose
lactose
arginine
Arginine
Statistical Models
statistical models
Ammonia
Carbon Dioxide
ammonia
culture media
Adenosine Triphosphate
carbon dioxide
microorganisms
metabolism
energy
Enzymes
Growth
enzymes

Keywords

  • Arginine deiminase pathway (ADI)
  • Arginine metabolism
  • Lactococcus lactis ssp. lactis
  • Lactose metabolism

ASJC Scopus subject areas

  • Food Science

Cite this

Relationship of arginine and lactose utilization by Lactococcus lactis ssp. lactis ML3. / Chou, Lan szu; Weimer, Bart C; Cutler, Richard.

In: International Dairy Journal, Vol. 11, No. 4-7, 2001, p. 253-258.

Research output: Contribution to journalArticle

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