Proteomic analysis reveals the adaptation of Vibrio splendidus to an iron deprivation condition
Abstract Vibrio splendidus is a ubiquitous Gram-negative marine bacterium that causes diseases within a wide range of marine cultured animals. Since iron deprivation is the frequent situation that the bacteria usually encounter, we aimed to explore the effect of iron deprivation on the proteomic profile of V. splendidus in the present study. There were 425 differentially expressed proteins (DEPs) responded to the iron deprivation condition. When the cells were grown under iron deprivation condition, the oxidation‒reduction processes, single-organism metabolic processes, the catalytic activity, and binding activity were downregulated, while the transport process, membrane cell component, and ion binding activity were upregulated, apart from the iron uptake processes. Kyoto Encyclopedia of Genes and Genomes analysis showed that various metabolism pathways, biosynthesis pathways, energy generation pathways of tricarboxylic acid cycle, and oxidative phosphorylation were downregulated, while various degradation pathways and several special metabolism pathways were upregulated. The proteomic profiles of cells at a $ OD_{600} $ ≈ 0.4 grown under iron deprivation condition showed high similarity to that of the cells at a $ OD_{600} $ ≈ 0.8 grown without iron chelator 2,2′-bipyridine. Correspondingly, the protease activity, the activity of autoinducer 2 (AI-2), and indole content separately catalyzed by LuxS and TnaA, were measured to verify the proteomic data. Our present study gives basic information on the global protein profiles of V. splendidus grown under iron deprivation condition and suggests that the iron deprivation condition cause the cell growth enter a state of higher cell density earlier. Key points • Adaptation of V. splendidus to iron deprivation was explored by proteomic analysis. • GO and KEGG of DEPs under different iron levels or cell densities were determined. • Iron deprivation caused the cell enter a state of higher cell density earlier..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:107 |
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| Enthalten in: |
Applied microbiology and biotechnology - 107(2023), 7-8 vom: 16. März, Seite 2533-2546 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yang, Huirong [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| doi: |
10.1007/s00253-023-12460-0 |
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| 520 | |a Abstract Vibrio splendidus is a ubiquitous Gram-negative marine bacterium that causes diseases within a wide range of marine cultured animals. Since iron deprivation is the frequent situation that the bacteria usually encounter, we aimed to explore the effect of iron deprivation on the proteomic profile of V. splendidus in the present study. There were 425 differentially expressed proteins (DEPs) responded to the iron deprivation condition. When the cells were grown under iron deprivation condition, the oxidation‒reduction processes, single-organism metabolic processes, the catalytic activity, and binding activity were downregulated, while the transport process, membrane cell component, and ion binding activity were upregulated, apart from the iron uptake processes. Kyoto Encyclopedia of Genes and Genomes analysis showed that various metabolism pathways, biosynthesis pathways, energy generation pathways of tricarboxylic acid cycle, and oxidative phosphorylation were downregulated, while various degradation pathways and several special metabolism pathways were upregulated. The proteomic profiles of cells at a $ OD_{600} $ ≈ 0.4 grown under iron deprivation condition showed high similarity to that of the cells at a $ OD_{600} $ ≈ 0.8 grown without iron chelator 2,2′-bipyridine. Correspondingly, the protease activity, the activity of autoinducer 2 (AI-2), and indole content separately catalyzed by LuxS and TnaA, were measured to verify the proteomic data. Our present study gives basic information on the global protein profiles of V. splendidus grown under iron deprivation condition and suggests that the iron deprivation condition cause the cell growth enter a state of higher cell density earlier. Key points • Adaptation of V. splendidus to iron deprivation was explored by proteomic analysis. • GO and KEGG of DEPs under different iron levels or cell densities were determined. • Iron deprivation caused the cell enter a state of higher cell density earlier. | ||
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| 700 | 1 | |a Zhang, Jinxia |4 aut | |
| 700 | 1 | |a Li, Weisheng |4 aut | |
| 700 | 1 | |a Han, Qingxi |4 aut | |
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