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1. • • In GoM cells, nearly identical bacteriophage and ssDNA virus sequences were found across diverse lineages of protists, suggesting many of these viruses are non-infective. The fraction of cells containing viral DNA varied among protistan lineages and reached 100% in Picozoa and Choanozoa.
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     Single cell genomics reveals viruses consumed by marine protists

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   Does single cell genomics reveal viruses consumed by marine protists?

   • Stepanauskas, R. et al. Improved genome recovery and integrated cell-size analyses of individual uncultured microbial cells and viral particles. Nat. Commun. 8, 84 (2017). Brown, J. M. et al. Single cell genomics reveals viruses consumed by marine protists. Front. Microbiol. 11, 2317 (2020).

   Single-cell RNA-seq of the rare virosphere reveals the native hosts of

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   Are viral genes expressed in protists?

   • Of the 71 remaining host–virus pairs, viral genes were expressed in protists belonging to diverse and ecologically important taxa such as Chrysophyceae (31%), Prymnesiophyceae (21%) and Dinoflagellata (multiple classes, 10%), as well as the understudied class of Katablepharidaceae (14%) (Fig. 2 ).

   Single-cell RNA-seq of the rare virosphere reveals the native hosts of

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   Can scRNA-seq detect viral infection in protist cells?

   • By applying this scRNA-seq approach, we demonstrate an ability to detect active viral infection in specific protist host cells, including in rare populations. It also enables the study of co-expressed genes of the host and the virus at different phases of the infection dynamic.

   Single-cell RNA-seq of the rare virosphere reveals the native hosts of

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   Is single-cell genomics sufficient to link viral infection to specific host cells?

   • However, single-cell genomics also captures viral DNA derived from ingestion by heterotrophic protists rather than infection of native host cells 18, 19, 20. Therefore, it may not be sufficient to link active viral infection to their specific hosts in high confidence.

   Single-cell RNA-seq of the rare virosphere reveals the native hosts of

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3. pubmed.ncbi.nlm.nih.gov › 33072003Single Cell Genomics Reveals Viruses Consumed by Marine Protists

   pubmed.ncbi.nlm.nih.gov › 33072003

   Sep 24, 2020 · Here, we analyzed the composition of non-eukaryotic DNA associated with individual cells of small, planktonic protists in the Gulf of Maine (GoM) and the Mediterranean Sea. We found viral DNA associated with a substantial fraction cells from the GoM (51%) and the Mediterranean Sea (35%).

   • Author: Julia M Brown, Jessica M Labonté, Joseph Brown, Nicholas R Record, Nicole J Poulton, Michael E Siera...

   • Publish Year: 2020

4. scgc.bigelow.org › 2021/05/11 › single-cell-genomicsSingle cell genomics reveals viruses consumed by marine protists

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   May 11, 2021 · Single cell genomics reveals viruses consumed by marine protists – Single Cell Genomics Center. The predominant model of the role of viruses in the marine trophic web is that of the “viral shunt,” where viral infection funnels a substantial fraction of the microbial primary and secondary production back to the pool of dissolved organic matter.

5. www.frontiersin.org › journals › microbiologySingle Cell Genomics Reveals Viruses Consumed by Marine Protists

   www.frontiersin.org › journals › microbiology

   Brown et al. Viruses Consumed by Marine Protists to the immense diversity of phagotrophic protists and their resistance to cultivation, specific predator-prey interactions and their impact on biogeochemical cycles remain poorly understood. In a previous study, single cell genomics of nanoeukaryotic

6. digital.csic.es › handle › 10261Single Cell Genomics Reveals Viruses Consumed by Marine Protists

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   Skip navigation. Producción CSIC . Áreas e Institutos; Navegar ítems por: Fecha Publicación

   • Author: Julia M Brown, Jessica M Labonté, Joseph Brown, Nicholas R Record, Nicole J Poulton, Michael E Siera...

   • Publish Year: 2020

7. vivo.library.tamu.edu › vivo › displaySingle Cell Genomics Reveals Viruses Consumed by Marine ...

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   These findings confirm prior experiments with protistan isolates and indicate that the viral shunt is complemented by a viral link in the marine microbial food web. This link may constitute a sink of viral particles in the ocean and has implications for the flow of carbon through the microbial food web.

8. www.nature.com › articles › s41564/024/01669-ySingle-cell RNA-seq of the rare virosphere reveals ... - Nature

   www.nature.com › articles › s41564/024/01669-y

   Apr 11, 2024 · Nature Microbiology - Active infections of giant viruses in their marine protists hosts are tracked at single-cell resolution, showing that, despite being rare, these viruses still impact...

9. par.nsf.gov › biblio › 10237348-single-cell-genomicsSingle Cell Genomics Reveals Viruses Consumed by Marine ...

   par.nsf.gov › biblio › 10237348-single-cell-genomics

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   Accepted Manuscript: Single Cell Genomics Reveals Viruses Consumed by Marine Protists Citation Details Title: Single Cell Genomics Reveals Viruses Consumed by Marine Protists