Detection of outer membrane vesicles in Synechocystis PCC 6803
© FEMS 2015. All rights reserved..
It has been well established that many species of Gram-negative bacteria release nanoscale outer membrane vesicles (OMVs) during normal growth. Furthermore, the roles of these structures in heterotrophic bacteria have been extensively characterized. However, little is known about the existence or function of OMVs in photoautotrophs. In the present study, we report for the first time the production of OMVs by the model photosynthetic organism Synechocystis sp. PCC 6803, a species of biotechnological importance. We detected extracellular proteins and lipids in cell-free supernatants derived from Synechocystis culture, yet the cytoplasmic and thylakoid membrane markers NADH oxidase and chlorophyll were absent. This indicated that the extracellular proteins and lipids derived from the outer membrane, and not from cell lysis. Furthermore, we identified spherical structures within the expected size range of OMVs in Synechocystis culture using scanning electron microscopy. Taken together, these results suggest that the repertoire of Gram-negative bacteria that are known to produce OMVs may be expanded to include Synechocystis PCC6803. Because of the considerable genetic characterization of Synechocystis in particular, our discovery has the potential to support novel biotechnological applications as well.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2015 |
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| Erschienen: |
2015 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:362 |
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| Enthalten in: |
FEMS microbiology letters - 362(2015), 20 vom: 15. Okt. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pardo, Yehudah A [VerfasserIn] |
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| Links: |
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| Themen: |
1406-65-1 |
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| Anmerkungen: |
Date Completed 08.04.2016 Date Revised 13.11.2018 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1093/femsle/fnv163 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM252686276 |
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| 245 | 1 | 0 | |a Detection of outer membrane vesicles in Synechocystis PCC 6803 |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © FEMS 2015. All rights reserved. | ||
| 520 | |a It has been well established that many species of Gram-negative bacteria release nanoscale outer membrane vesicles (OMVs) during normal growth. Furthermore, the roles of these structures in heterotrophic bacteria have been extensively characterized. However, little is known about the existence or function of OMVs in photoautotrophs. In the present study, we report for the first time the production of OMVs by the model photosynthetic organism Synechocystis sp. PCC 6803, a species of biotechnological importance. We detected extracellular proteins and lipids in cell-free supernatants derived from Synechocystis culture, yet the cytoplasmic and thylakoid membrane markers NADH oxidase and chlorophyll were absent. This indicated that the extracellular proteins and lipids derived from the outer membrane, and not from cell lysis. Furthermore, we identified spherical structures within the expected size range of OMVs in Synechocystis culture using scanning electron microscopy. Taken together, these results suggest that the repertoire of Gram-negative bacteria that are known to produce OMVs may be expanded to include Synechocystis PCC6803. Because of the considerable genetic characterization of Synechocystis in particular, our discovery has the potential to support novel biotechnological applications as well | ||
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| 700 | 1 | |a Baker, Kristopher M |e verfasserin |4 aut | |
| 700 | 1 | |a Schertzer, Jeffrey W |e verfasserin |4 aut | |
| 700 | 1 | |a Mahler, Gretchen J |e verfasserin |4 aut | |
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