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Isolation and Polyphasic Characterization of Desulfuromonas versatilis sp. Nov., an Electrogenic Bacteria Capable of Versatile Metabolism Isolated from a Graphene Oxide-Reducing Enrichment Culture

by 1,†, 1,*,†, 2 and 1
1
Department of Civil Engineering, Nagoya Institute of Technology (Nitech), Nagoya 466-8555, Aichi, Japan
2
Institute for Extra-Cutting-Edge Science and Technology Avant-Garde Research (X-Star), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka 237-0061, Kanagawa, Japan
*
Author to whom correspondence should be addressed.
These authors have contributed equally to this work and share first authorship.
Academic Editors: Annette Rowe and Akihiro Okamoto
Microorganisms 2021, 9(9), 1953; https://doi.org/10.3390/microorganisms9091953
Received: 10 July 2021 / Revised: 8 September 2021 / Accepted: 9 September 2021 / Published: 14 September 2021
(This article belongs to the Special Issue New Electrogenic Microbes)
In this study, a novel electrogenic bacterium denoted as strain NIT-T3 of the genus Desulfuromonas was isolated from a graphene-oxide-reducing enrichment culture that was originally obtained from a mixture of seawater and coastal sand. Strain NIT-T3 utilized hydrogen and various organic acids as electron donors and exhibited respiration using electrodes, ferric iron, nitrate, and elemental sulfur. The strain contained C16:1ω7c, C16:0, and C15:0 as major fatty acids and MK-8, 9, and 7 as the major respiratory quinones. Strain NIT-T3 contained four 16S rRNA genes and showed 95.7% similarity to Desulfuromonasmichiganensis BB1T, the closest relative. The genome was 4.7 Mbp in size and encoded 76 putative c-type cytochromes, which included 6 unique c-type cytochromes (<40% identity) compared to those in the database. Based on the physiological and genetic uniqueness, and wide metabolic capability, strain NIT-T3 is proposed as a type strain of ‘Desulfuromonas versatilis’ sp. nov. View Full-Text
Keywords: Desulfuromonas; electrogenic bacteria; nitrate respiration; graphene oxide Desulfuromonas; electrogenic bacteria; nitrate respiration; graphene oxide
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MDPI and ACS Style

Xie, L.; Yoshida, N.; Ishii, S.; Meng, L. Isolation and Polyphasic Characterization of Desulfuromonas versatilis sp. Nov., an Electrogenic Bacteria Capable of Versatile Metabolism Isolated from a Graphene Oxide-Reducing Enrichment Culture. Microorganisms 2021, 9, 1953. https://doi.org/10.3390/microorganisms9091953

AMA Style

Xie L, Yoshida N, Ishii S, Meng L. Isolation and Polyphasic Characterization of Desulfuromonas versatilis sp. Nov., an Electrogenic Bacteria Capable of Versatile Metabolism Isolated from a Graphene Oxide-Reducing Enrichment Culture. Microorganisms. 2021; 9(9):1953. https://doi.org/10.3390/microorganisms9091953

Chicago/Turabian Style

Xie, Li, Naoko Yoshida, Shun’ichi Ishii, and Lingyu Meng. 2021. "Isolation and Polyphasic Characterization of Desulfuromonas versatilis sp. Nov., an Electrogenic Bacteria Capable of Versatile Metabolism Isolated from a Graphene Oxide-Reducing Enrichment Culture" Microorganisms 9, no. 9: 1953. https://doi.org/10.3390/microorganisms9091953

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