Mechano-control of Extracellular Electron Transport Rate via Modification of Inter-heme Coupling in Bacterial Surface Cytochrome

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Long, Xizi;Tokunou, Yoshihide;Okamoto, Akihiro

通讯作者：

Okamoto, Akihiro(okamoto.akihiro@nims.go.jp)

作者机构：

[Long, Xizi] Univ South China, Sch Key Lab Typ Environm Pollut & Hlth Hazards Hun, Sch Basic Med, Sch Publ Hlth,Hengyang Med Sch, Hengyang 421001, Peoples R China.

[Tokunou, Yoshihide; Long, Xizi; Okamoto, Akihiro] Int Ctr Mat Nanoarchitecton WPI MANA, Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan.

[Tokunou, Yoshihide] Univ Tsukuba, Fac Life & Environm Sci, Tsukuba, Ibaraki 3058577, Japan.

[Okamoto, Akihiro] Hokkaido Univ, Grad Sch Chem Sci & Engn, Sapporo, Hokkaido 0608628, Japan.

通讯机构：

[Akihiro Okamoto] I

International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan<&wdkj&>Graduate School of Chemical Sciences and Engineering, Hokkaido University, North 13 West 8, Kitaku, Sapporo, Hokkaido 060-8628, Japan

语种：

英文

关键词：

circular dichroism;electron transport;exciton coupling;mechanobiology;multi-heme cytochrome C

期刊：

Environmental Science & Technology

ISSN：

0013-936X

年：

2023

卷：

期：

页码：

7421-7430

DOI：

10.1021/acs.est.3c00601

基金类别：

Japan Society for the Promotion of Science KAKENHI [17H04969]; PRIME, the Japan Agency for Medical Research and Development [19gm6010002h0004]; JST, PRESTO, Japan [JPMJPR19H1]; Japan Society for the Promotion of Science [P20105]; Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]

机构署名：

本校为第一机构

院系归属：

公共卫生学院

摘要：

Bacterial outer-membrane multi-heme cytochromes (OMCs) mediate extracellular electron transport (EET). While heme alignment dictates the rate of EET, control of inter-heme coupling in a single OMC remains challenging, especially in intact cells. Given that OMCs diffuse and collide without aggregation on the cell surface, the overexpression of OMCs could increase such mechanical stress to impact the OMCs’ protein structure. Here, the heme coupling is modified via mechanical interactions among OMCs by controlling their concentrations. Employment...

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Mechano-control of Extracellular Electron Transport Rate via Modification of Inter-heme Coupling in Bacterial Surface Cytochrome

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