The Effects of Metal Compounds on the Biosynthesis of the Galactolipid and Composition of Fatty Acids in Escherichia coli and Bacillus subtilis

Escherichia coli와 Bacillus subtilis의 당지질 생합성과 지방산 조성에 미치는 금속산화물의 효과

  • Lee, So Yeon (Dept. of Biology, College of Natural Sciences, Sungshin Women's Univ., Seoul, Korea) ;
  • Yoon, Hyo Sook (Dept. of Biology, College of Natural Sciences, Sungshin Women's Univ., Seoul, Korea) ;
  • Choi, Won Chang (Dept. of Biology, College of Natural Sciences, Sungshin Women's Univ., Seoul, Korea) ;
  • Lee, Chong Sam (Dept. of Biology, College of Natural Sciences, Sungshin Women's Univ., Seoul, Korea)
  • Published : 1997.06.01

Abstract

The biosynthesis of galactolipid, galactose and the fatty acid composition in E. cdi and B. subtills treated with potassium dichromate(PD, 500 ppm, 500 ppm), potassium chromate(PC, 500 ppm, 500 ppm), cobalt chloride(CC, 100 ppm, 10 ppm) and methylmercuric chloride(MC, 100 ppm, 10 ppm) during the culture were analyzed to compare with the control. The growth rate of cells, the contents of monogalactosyldiglyceride(MGDG), digalactosyldiglyceride(DGDG) and total lipid in the metal compound treatments were lower as compared with the control. And too, the contents of galactose utilized for the biosynthesis of galactolipids in these strains in the various metal compounds treatments were inhibited. The fatty acids used for the MGDG and DGDG formation in E. coli and B. subtills treated with each metal compounds during the culture were showed to the variant compositional change.