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

Takahisa Miyamoto, Kazunori Kunitake, Shoji Hatano

研究成果: ジャーナルへの寄稿記事

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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.

元の言語英語
ページ(範囲)649-654
ページ数6
ジャーナルAgricultural and Biological Chemistry
52
発行部数3
DOI
出版物ステータス出版済み - 1 1 1988

All Science Journal Classification (ASJC) codes

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

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