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Physiological Function of Mycobacterial mtFabD, an Essential Malonyl-CoA:AcpM Transacylase of Type 2 Fatty Acid Synthase FASII, in Yeast mct1Δ Cells

机译:酵母mct1Δ细胞中分枝杆菌mtFabD(2型脂肪酸合酶FASII的必需丙二酰辅酶A:AcpM转酰酶)的生理功能

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摘要

Mycobacterium tuberculosis mtFabD is an essential malonyl-CoA:AcpM transacylase and is important for vital protein-protein interactions within type 2 fatty acid synthase FASII. mtFabD contacts KasA, KasB, FabH, InhA, and possibly also HadAB, HadBC, and FabG1/MabA. Disruption of mtFabD's interactions during FASII has been proposed for drug development. Here, the gene for a mitochondrially targeted mtFabD was ectopically expressed in Saccharomyces cerevisiae mct1Δ mutant cells lacking the corresponding mitochondrial malonyl-CoA transferase Mct1p, allowing the mutants to recover their abilities to respire on glycerol and synthesize lipoic acid. Hence, mtFabD could physiologically function in an environment lacking holo-AcpM or other native interaction partners.
机译:结核分枝杆菌mtFabD是必不可少的丙二酰辅酶A:AcpM转酰酶,对于2型脂肪酸合酶FASII中重要的蛋白质间相互作用至关重要。 mtFabD与KasA,KasB,FabH,InhA以及可能的HadAB,HadBC和FabG1 / MabA联系。已经提出在FASII期间破坏mtFabD的相互作用用于药物开发。在这里,针对线粒体靶向的mtFabD的基因在缺乏相应线粒体丙二酰-CoA转移酶Mct1p的酿酒酵母mct1Δ突变细胞中异位表达,从而使这些突变体恢复了在甘油上呼吸和合成硫辛酸的能力。因此,mtFabD可以在缺乏完整AcpM或其他天然相互作用伙伴的环境中生理发挥作用。

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    Gurvitz, Aner;

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  • 年度 2009
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  • 原文格式 PDF
  • 正文语种 {"code":"en","name":"English","id":9}
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