Vitamin K2 in electron transport system: are enzymes involved in vitamin K2 biosynthesis promising drug targets?

Vitamin K2 in electron transport system: are enzymes involved in vitamin K2 biosynthesis promising drug targets?
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DOI:
10.3390/molecules15031531
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发表时间:
2010-03-10
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Begari E
Begari E
中科院分区:
其他
文献类型:
--
作者:
Kurosu M;Begari E

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有氧和无氧呼吸系统允许细胞将电子运输到末端电子受体。醌(泛醌或甲基萘醌)库是电子传递链的中心。在大多数革兰氏阳性菌中,维生素K2(甲基萘醌)是电子传递链中唯一的醌,因此,催化甲基萘醌合成的细菌酶是开发新型抗菌药物的潜在靶标。本文综述了维生素K在细菌和人体中的作用,特别强调了近年来甲基萘醌在细菌电子传递链中的作用,以及针对细菌电子传递系统的新型抗菌剂抑制剂分子的发现。
Aerobic and anaerobic respiratory systems allow cells to transport the electrons to terminal electron acceptors. The quinone (ubiquinone or menaquinone) pool is central to the electron transport chain. In the majority of Gram-positive bacteria, vitamin K2 (menaquinone) is the sole quinone in the electron transport chain, and thus, the bacterial enzymes catalyzing the synthesis of menaquinone are potential targets for the development of novel antibacterial drugs. This manuscript reviews the role of vitamin K in bacteria and humans, and especially emphasizes on recent aspects of menaquinones in bacterial electron transport chain and on discoveries of inhibitor molecules targeting bacterial electron transport systems for new antibacterial agents.
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