Characterization and Hydrocarbon Degradation Potential of Variovorax sp. Strain N23 Isolated from the Antarctic Soil
Increasing pollution has significantly threatened the Antarctic ecosystem. The contamination of hydrocarbons has drawn a considerable amount of attention owing to their toxicity, recalcitrance, and persistence. Considering the Antarctic Treaty, only indigenous species are allowed to bioremediate the...
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Online Access: | https://doi.org/10.3390/microbiolres14010009 |
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ftmdpi:oai:mdpi.com:/2036-7481/14/1/9/ 2023-08-20T04:02:29+02:00 Characterization and Hydrocarbon Degradation Potential of Variovorax sp. Strain N23 Isolated from the Antarctic Soil Jinyan Liu Zhisong Cui Tong Hao Yingchao Li Xiao Luan Ke Feng Li Zheng 2023-01-20 application/pdf https://doi.org/10.3390/microbiolres14010009 EN eng Multidisciplinary Digital Publishing Institute https://dx.doi.org/10.3390/microbiolres14010009 https://creativecommons.org/licenses/by/4.0/ Microbiology Research; Volume 14; Issue 1; Pages: 91-103 polycyclic aromatic hydrocarbons psychrophilic bacteria genomics chemotaxis biodegradation Text 2023 ftmdpi https://doi.org/10.3390/microbiolres14010009 2023-08-01T08:24:41Z Increasing pollution has significantly threatened the Antarctic ecosystem. The contamination of hydrocarbons has drawn a considerable amount of attention owing to their toxicity, recalcitrance, and persistence. Considering the Antarctic Treaty, only indigenous species are allowed to bioremediate the contaminated environment. However, the knowledge of the ecological role, physiology, function, and genomics of endemic hydrocarbon consumers is still limited. Here, we investigated the dynamics of phenanthrene-consuming communities derived from the Antarctic soil and found that Variovorax, Rhodocyclaceae, and Hydrogenophaga were differentiated in all the phenanthrene-consuming subcultures. We isolated a pure culture of the key hydrocarbon consumer Variovorax sp. strain N23. Moreover, the result of the polyphasic approach suggested that strain N23 represents a novel species of the genus Variovorax. In addition, the genomic characteristics of this strain revealed incomplete degradation pathways for diverse hydrocarbons. Overall, this study reveals the relatively weak hydrocarbon-degrading potential of the indigenous bacteria and suggests the need for more careful protection of the Antarctic ecosystem. Text Antarc* Antarctic MDPI Open Access Publishing Antarctic The Antarctic Microbiology Research 14 1 91 103 |
institution |
Open Polar |
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MDPI Open Access Publishing |
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ftmdpi |
language |
English |
topic |
polycyclic aromatic hydrocarbons psychrophilic bacteria genomics chemotaxis biodegradation |
spellingShingle |
polycyclic aromatic hydrocarbons psychrophilic bacteria genomics chemotaxis biodegradation Jinyan Liu Zhisong Cui Tong Hao Yingchao Li Xiao Luan Ke Feng Li Zheng Characterization and Hydrocarbon Degradation Potential of Variovorax sp. Strain N23 Isolated from the Antarctic Soil |
topic_facet |
polycyclic aromatic hydrocarbons psychrophilic bacteria genomics chemotaxis biodegradation |
description |
Increasing pollution has significantly threatened the Antarctic ecosystem. The contamination of hydrocarbons has drawn a considerable amount of attention owing to their toxicity, recalcitrance, and persistence. Considering the Antarctic Treaty, only indigenous species are allowed to bioremediate the contaminated environment. However, the knowledge of the ecological role, physiology, function, and genomics of endemic hydrocarbon consumers is still limited. Here, we investigated the dynamics of phenanthrene-consuming communities derived from the Antarctic soil and found that Variovorax, Rhodocyclaceae, and Hydrogenophaga were differentiated in all the phenanthrene-consuming subcultures. We isolated a pure culture of the key hydrocarbon consumer Variovorax sp. strain N23. Moreover, the result of the polyphasic approach suggested that strain N23 represents a novel species of the genus Variovorax. In addition, the genomic characteristics of this strain revealed incomplete degradation pathways for diverse hydrocarbons. Overall, this study reveals the relatively weak hydrocarbon-degrading potential of the indigenous bacteria and suggests the need for more careful protection of the Antarctic ecosystem. |
format |
Text |
author |
Jinyan Liu Zhisong Cui Tong Hao Yingchao Li Xiao Luan Ke Feng Li Zheng |
author_facet |
Jinyan Liu Zhisong Cui Tong Hao Yingchao Li Xiao Luan Ke Feng Li Zheng |
author_sort |
Jinyan Liu |
title |
Characterization and Hydrocarbon Degradation Potential of Variovorax sp. Strain N23 Isolated from the Antarctic Soil |
title_short |
Characterization and Hydrocarbon Degradation Potential of Variovorax sp. Strain N23 Isolated from the Antarctic Soil |
title_full |
Characterization and Hydrocarbon Degradation Potential of Variovorax sp. Strain N23 Isolated from the Antarctic Soil |
title_fullStr |
Characterization and Hydrocarbon Degradation Potential of Variovorax sp. Strain N23 Isolated from the Antarctic Soil |
title_full_unstemmed |
Characterization and Hydrocarbon Degradation Potential of Variovorax sp. Strain N23 Isolated from the Antarctic Soil |
title_sort |
characterization and hydrocarbon degradation potential of variovorax sp. strain n23 isolated from the antarctic soil |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2023 |
url |
https://doi.org/10.3390/microbiolres14010009 |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Microbiology Research; Volume 14; Issue 1; Pages: 91-103 |
op_relation |
https://dx.doi.org/10.3390/microbiolres14010009 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/microbiolres14010009 |
container_title |
Microbiology Research |
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14 |
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1 |
container_start_page |
91 |
op_container_end_page |
103 |
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1774712943244476416 |