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  Simultaneous giant virus and virophage quantification using droplet digital PCR

del Arco, A., Fischer, M., & Becks, L. (2022). Simultaneous giant virus and virophage quantification using droplet digital PCR. Viruses, 14(5): 1056, pp. 1-11. doi:10.3390/v14051056.

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 Urheber:
del Arco, Ana, Autor
Fischer, Matthias1, Autor           
Becks, Lutz, Autor
Affiliations:
1Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society, ou_1497700              

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Schlagwörter: ddPCR; quantification; giant virus; virophage; CroV; mavirus; cafeteria
 Zusammenfassung: Viruses are an abundant component of aquatic systems, but their detection and quantification remain a challenge. Virophages co-replicate with giant viruses in the shared host cell, and can inhibit the production of new giant virus particles, thereby increasing the survival of the infected host population. Here, we present a protocol for Droplet Digital PCR (ddPCR) to quantify simultaneously giant virus and virophage in a mixed sample, enabling the rapid, culture-free and high throughput detection of virus and virophage. As virophage can be present as free virus particles or integrated into the virus host’s genome as well as associated with organic particles, we developed a simple method that enables discrimination between free and particle-associated virophages. The latter include aggregated virophage particles as well as virophage integrated into the host genome. We used, for our experiments, a host-virus-virophage system consisting of Cafeteria burkhardae, CroV and mavirus. Our results show that ddPCR can be an efficient method to quantify virus and virophage, and we discuss potential applications of the method for studying ecological and evolutionary processes of virus and virophages

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Sprache(n): eng - English
 Datum: 2022-04-302022-04-052022-05-16
 Publikationsstatus: Online veröffentlicht
 Seiten: 11
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.3390/v14051056
 Art des Abschluß: -

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Titel: Viruses
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Basel : MDPI
Seiten: - Band / Heft: 14 (5) Artikelnummer: 1056 Start- / Endseite: 1 - 11 Identifikator: ISSN: 1999-4915
CoNE: https://pure.mpg.de/cone/journals/resource/1999-4915