Colonization of Polystyrene Microparticles by Vibrio crassostreae: Light and Electron Microscopic Investigation
Microplastics collected at sea harbor a high diversity of microorganisms, including some Vibrio genus members, raising questions about the role of microplastics as a novel ecological niche for potentially pathogenic microorganisms. In the present study, we investigated the adhesion dynamics of Vibri...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Valentin Foulon [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Environmental science & technology - Washington, DC : ACS Publ., 1967, 50(2016), 20, Seite 10988 |
|---|---|
| Übergeordnetes Werk: |
volume:50 ; year:2016 ; number:20 ; pages:10988 |
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| 520 | |a Microplastics collected at sea harbor a high diversity of microorganisms, including some Vibrio genus members, raising questions about the role of microplastics as a novel ecological niche for potentially pathogenic microorganisms. In the present study, we investigated the adhesion dynamics of Vibrio crassostreae on polystyrene microparticles (micro-PS) using electronic and fluorescence microscopy techniques. Micro-PS were incubated with bacteria in different media (Zobell culture medium and artificial seawater) with or without natural marine aggregates. The highest percentage of colonized particles (38-100%) was observed in Zobell culture medium, which may be related to nutrient availability for production of pili and exopolysaccharide adhesion structures. A longer bacterial attachment (6 days) was observed on irregular micro-PS compared to smooth particles (<10 h), but complete decolonization of all particles eventually occurred. The presence of natural marine agreggates around micro-PS led to substantial and perennial colonization featuring monospecific biofilms at the surface of the aggregates. These exploratory results suggest that V. crassostreae may be a secondary colonizer of micro-PS, requiring a multispecies community to form a durable adhesion phenotype. Temporal assessment of microbial colonization on microplastics at sea using imaging and omics approaches are further indicated to better understand the microplastics colonization dynamics and species assemblages. | ||
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Colonization of Polystyrene Microparticles by Vibrio crassostreae: Light and Electron Microscopic Investigation |
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Colonization of Polystyrene Microparticles by Vibrio crassostreae: Light and Electron Microscopic Investigation |
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colonization of polystyrene microparticles by vibrio crassostreae: light and electron microscopic investigation |
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Colonization of Polystyrene Microparticles by Vibrio crassostreae: Light and Electron Microscopic Investigation |
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Microplastics collected at sea harbor a high diversity of microorganisms, including some Vibrio genus members, raising questions about the role of microplastics as a novel ecological niche for potentially pathogenic microorganisms. In the present study, we investigated the adhesion dynamics of Vibrio crassostreae on polystyrene microparticles (micro-PS) using electronic and fluorescence microscopy techniques. Micro-PS were incubated with bacteria in different media (Zobell culture medium and artificial seawater) with or without natural marine aggregates. The highest percentage of colonized particles (38-100%) was observed in Zobell culture medium, which may be related to nutrient availability for production of pili and exopolysaccharide adhesion structures. A longer bacterial attachment (6 days) was observed on irregular micro-PS compared to smooth particles (<10 h), but complete decolonization of all particles eventually occurred. The presence of natural marine agreggates around micro-PS led to substantial and perennial colonization featuring monospecific biofilms at the surface of the aggregates. These exploratory results suggest that V. crassostreae may be a secondary colonizer of micro-PS, requiring a multispecies community to form a durable adhesion phenotype. Temporal assessment of microbial colonization on microplastics at sea using imaging and omics approaches are further indicated to better understand the microplastics colonization dynamics and species assemblages. |
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Microplastics collected at sea harbor a high diversity of microorganisms, including some Vibrio genus members, raising questions about the role of microplastics as a novel ecological niche for potentially pathogenic microorganisms. In the present study, we investigated the adhesion dynamics of Vibrio crassostreae on polystyrene microparticles (micro-PS) using electronic and fluorescence microscopy techniques. Micro-PS were incubated with bacteria in different media (Zobell culture medium and artificial seawater) with or without natural marine aggregates. The highest percentage of colonized particles (38-100%) was observed in Zobell culture medium, which may be related to nutrient availability for production of pili and exopolysaccharide adhesion structures. A longer bacterial attachment (6 days) was observed on irregular micro-PS compared to smooth particles (<10 h), but complete decolonization of all particles eventually occurred. The presence of natural marine agreggates around micro-PS led to substantial and perennial colonization featuring monospecific biofilms at the surface of the aggregates. These exploratory results suggest that V. crassostreae may be a secondary colonizer of micro-PS, requiring a multispecies community to form a durable adhesion phenotype. Temporal assessment of microbial colonization on microplastics at sea using imaging and omics approaches are further indicated to better understand the microplastics colonization dynamics and species assemblages. |
| abstract_unstemmed |
Microplastics collected at sea harbor a high diversity of microorganisms, including some Vibrio genus members, raising questions about the role of microplastics as a novel ecological niche for potentially pathogenic microorganisms. In the present study, we investigated the adhesion dynamics of Vibrio crassostreae on polystyrene microparticles (micro-PS) using electronic and fluorescence microscopy techniques. Micro-PS were incubated with bacteria in different media (Zobell culture medium and artificial seawater) with or without natural marine aggregates. The highest percentage of colonized particles (38-100%) was observed in Zobell culture medium, which may be related to nutrient availability for production of pili and exopolysaccharide adhesion structures. A longer bacterial attachment (6 days) was observed on irregular micro-PS compared to smooth particles (<10 h), but complete decolonization of all particles eventually occurred. The presence of natural marine agreggates around micro-PS led to substantial and perennial colonization featuring monospecific biofilms at the surface of the aggregates. These exploratory results suggest that V. crassostreae may be a secondary colonizer of micro-PS, requiring a multispecies community to form a durable adhesion phenotype. Temporal assessment of microbial colonization on microplastics at sea using imaging and omics approaches are further indicated to better understand the microplastics colonization dynamics and species assemblages. |
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Colonization of Polystyrene Microparticles by Vibrio crassostreae: Light and Electron Microscopic Investigation |
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