Mechanism of Action of an Antibacterial Factor Derived from Bacillus subtilis FHC 402 on Salmonella typhimurium

Takahisa Miyamoto, Kazunori Kunitake, Shoji Hatano

Research output: Contribution to journalArticle

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Abstract

The effects of Bacillus antibacterial factor (BAF) on oxygen uptake, transport systems, and macromolecular synthesis were studied in S. typhimurium. BAF had essentially no effect on oxygen uptake when glucose, succinate, lactate, α-ketoglutarate, pyruvate, and NADH served as substrates, suggesting that the respiration chain is not a target for BAF. The incorporation of [14C]leucine, [14C]acetate, and [14C]glucose into the washed cells was not inhibited by BAF, suggesting that BAF dose not affect these transport systems. The incorporation of [14C]leucine, [3H]uridine, and [3H]thymidine into the unwashed cells showed that BAF strongly inhibited protein synthesis, but not RNA and DNA synthesis. BAF also inhibited protein synthesis in a cell-free system from S. typhimurium. These results suggest that the primary site of antibacterial action of BAF is in the process of protein synthesis.

Original languageEnglish
Pages (from-to)649-654
Number of pages6
JournalAgricultural and Biological Chemistry
Volume52
Issue number3
DOIs
Publication statusPublished - Jan 1 1988

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Salmonella
Bacillus (bacteria)
Bacilli
Salmonella typhimurium
Bacillus subtilis
Salmonella Typhimurium
Bacillus
mechanism of action
protein synthesis
Leucine
leucine
Oxygen
uptake mechanisms
oxygen
Glucose
cell free system
glucose
Proteins
synthesis
uridine

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Mechanism of Action of an Antibacterial Factor Derived from Bacillus subtilis FHC 402 on Salmonella typhimurium. / Miyamoto, Takahisa; Kunitake, Kazunori; Hatano, Shoji.

In: Agricultural and Biological Chemistry, Vol. 52, No. 3, 01.01.1988, p. 649-654.

Research output: Contribution to journalArticle

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