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首页> 外文期刊>Biochemistry >Structural and Functional Studies of Multiheme Cytochromes c Involved in Extracellular Electron Transport in Bacterial Dissimilatory Metal Reduction
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Structural and Functional Studies of Multiheme Cytochromes c Involved in Extracellular Electron Transport in Bacterial Dissimilatory Metal Reduction

机译:细菌异化金属还原中涉及细胞外电子转运的多血红素细胞色素c的结构和功能研究

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摘要

Bacteria utilizing insoluble mineral forms of metal oxides as electron acceptors in respiratory processes are wide-spread in the nature. The electron transfer from a pool of reduced quinones in the cytoplasmic membrane across the periplasm to the bacterial outer membrane and then to an extracellular acceptor is a key step in bacterial dissimilatory metal reduction. Multiheme cytochromes c play a crucial role in the extracellular electron transfer. The bacterium Shewanella oneidensis MR-1 was used as a model organism to study the mechanism of extracellular electron transport. In this review, we discuss recent data on the composition, structures, and functions of multiheme cytochromes c and their functional complexes responsible for extracellular electron transport in Shewanella oneidensis.
机译:在呼吸过程中,利用不溶性矿物形式的金属氧化物作为电子受体的细菌在自然界得到了广泛传播。电子从细胞质膜中的还原醌池穿过周质转移到细菌外膜,再转移到细胞外受体,这是细菌异化金属还原的关键步骤。多血红素细胞色素c在细胞外电子转移中起关键作用。拟南芥(Shewanella oneidensis)MR-1细菌被用作模型生物来研究细胞外电子转运的机制。在这篇综述中,我们讨论了有关多血红素细胞色素c的组成,结构和功能及其负责Shewanella oneidensis中细胞外电子转运的功能复合物的最新数据。

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