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首页> 外文期刊>Journal of bacteriology >Biosynthesis of murein lipoprotein in Escherichia coli: effects of 3,4-dihydroxybutyl-1-phosphonate.
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Biosynthesis of murein lipoprotein in Escherichia coli: effects of 3,4-dihydroxybutyl-1-phosphonate.

机译:大肠杆菌中murein脂蛋白的生物合成:3,4-二羟基丁基-1-膦酸酯的作用。

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摘要

The effects of 3,4-dihydroxybutyl-1-phosphonate, a four-carbon analog of sn-glycerol 3-phosphate, on the biosynthesis of the glyceryl moiety in murein lipoprotein of Escherichia coli were studied. The compound at a concentration of 55 microM strong inhibits in the incorporation of [2-3H]glycerol radioactivity into lipoprotein by virtue of its inhibition of the synthesis of phosphatidylglycerol. On the other hand, the incorporation of prelabeled [2-3H]glycerol radioactivity into lipoprotein was only partially inhbited by 3,4-dihydroxybutyl-1-phosphonate even at a much higher concentration (1 mM). These data were consistent with the postulated pathway for the biosynthesis of the lipid moiety in lipoportein: cysteine-lipoprotein + phosphatidylglycerol leads to glycerylcystein-lipoprotein + phosphatidic acid.
机译:研究了3,4-二羟基丁基-1-膦酸酯,Sn-甘油3-磷酸三碳酸,对大肠杆菌血红素脂蛋白糖尿病部分生物合成的影响。浓度为55微米的浓度抑制在催化作用的合成中掺入[2-3H]甘油放射性掺入脂蛋白的掺入脂蛋白。另一方面,掺入预先标记的[2-3H]甘油放射性进入脂蛋白的均仅在3,4-二羟基丁基-1-膦酸盐中仅以高浓度(1mM)部分地含有3,4-二羟基丁基-1-膦酸酯。这些数据与Lipoportein中的脂质部分的生物合成的假设途径一致:半胱氨酸 - 脂蛋白+磷脂酰甘油导致糖尿病 - 脂蛋白+磷脂酸。

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