Nature’s conductors: what can microbial multi-heme cytochromes teach us about electron transport and biological energy conversion?
Abstract
Microorganisms can acquire energy from the environment by extending their electron transport chains to external solid electron donors or acceptors. This process, known as extracellular electron transfer (EET), is now being heavily pursued for wiring microbes to electrodes in bioelectrochemical renewable energy technologies. Recent studies highlight the crucial role of multi-heme cytochromes in facilitating biotic–abiotic EET both for cellular electron export and uptake. Here we explore progress in understanding the range and function of these biological electron conduits in the context of fuel-to-electricity and electricity-to-bioproduct conversion. We also highlight emerging topics, including the role of multi-heme cytochromes in inter-species electron transfer and in inspiring the design and synthesis of a new generation of protein-based bioelectronic components.
- Authors:
-
- Univ. of Southern California, Los Angeles, CA (United States)
- Publication Date:
- Research Org.:
- Univ. of Southern California, Los Angeles, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1611468
- Alternate Identifier(s):
- OSTI ID: 1702058
- Grant/Contract Number:
- SC0010609; FG02-13ER16415
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Current Opinion in Chemical Biology
- Additional Journal Information:
- Journal Volume: 47; Journal Issue: C; Journal ID: ISSN 1367-5931
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; biochemistry & molecular biology; biophysics; extracellular electron transfer; cytochromes; bioelectrochemistry; microbial fuel cells; microbial electrocynthesis; bioelectronics
Citation Formats
Chong, Grace W., Karbelkar, Amruta A., and El-Naggar, Mohamed Y. Nature’s conductors: what can microbial multi-heme cytochromes teach us about electron transport and biological energy conversion?. United States: N. p., 2018.
Web. doi:10.1016/j.cbpa.2018.06.007.
Chong, Grace W., Karbelkar, Amruta A., & El-Naggar, Mohamed Y. Nature’s conductors: what can microbial multi-heme cytochromes teach us about electron transport and biological energy conversion?. United States. https://doi.org/10.1016/j.cbpa.2018.06.007
Chong, Grace W., Karbelkar, Amruta A., and El-Naggar, Mohamed Y. Sat .
"Nature’s conductors: what can microbial multi-heme cytochromes teach us about electron transport and biological energy conversion?". United States. https://doi.org/10.1016/j.cbpa.2018.06.007. https://www.osti.gov/servlets/purl/1611468.
@article{osti_1611468,
title = {Nature’s conductors: what can microbial multi-heme cytochromes teach us about electron transport and biological energy conversion?},
author = {Chong, Grace W. and Karbelkar, Amruta A. and El-Naggar, Mohamed Y.},
abstractNote = {Microorganisms can acquire energy from the environment by extending their electron transport chains to external solid electron donors or acceptors. This process, known as extracellular electron transfer (EET), is now being heavily pursued for wiring microbes to electrodes in bioelectrochemical renewable energy technologies. Recent studies highlight the crucial role of multi-heme cytochromes in facilitating biotic–abiotic EET both for cellular electron export and uptake. Here we explore progress in understanding the range and function of these biological electron conduits in the context of fuel-to-electricity and electricity-to-bioproduct conversion. We also highlight emerging topics, including the role of multi-heme cytochromes in inter-species electron transfer and in inspiring the design and synthesis of a new generation of protein-based bioelectronic components.},
doi = {10.1016/j.cbpa.2018.06.007},
journal = {Current Opinion in Chemical Biology},
number = C,
volume = 47,
place = {United States},
year = {Sat Jul 14 00:00:00 EDT 2018},
month = {Sat Jul 14 00:00:00 EDT 2018}
}
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