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  Deciphering the Mechanisms Underlying Brown Algae-Virus Interactions

Martinho, C., Hoshino, M., Haas, F., Luthringer, R., & Coelho, S. (2023). Deciphering the Mechanisms Underlying Brown Algae-Virus Interactions. Poster presented at 14th International Conference of the French Society of Plant Biology (PBE 2023), Marseille, France.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000D-8ED8-0 Version Permalink: https://hdl.handle.net/21.11116/0000-000D-8EDA-E
Genre: Poster

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https://europlantbiology2023.org/wp-content/uploads/2023/07/PBE2023-Abstract-Book.pdf (Abstract)
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 Creators:
Martinho, C1, Author                 
Hoshino, M1, Author                 
Haas, FB1, Author                 
Luthringer, R1, Author                 
Coelho, SM1, Author                 
Affiliations:
1Department Algal Development and Evolution, Max Planck Institute for Biology Tübingen, Max Planck Society, Max-Planck-Ring 5, 72076 Tübingen, DE, ou_3371686              

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 Abstract: The interaction between the filamentous brown alga Ectocarpus and the Ectocarpus siliculosus Virus-1 (EsV-1) represents a model for DNA viral infection in brown algae. Ectocarpus gametes are susceptible to EsV-1 infection but the alga vegetative tissues remain disease-free until the development of reproductive structures. The onset of fertility triggers viral replication in a subset of gametangia enabling the synchronous release of viruses and gametes to the environment and infection of healthy algae. The molecular mechanisms underlying viral synchronization with the algae life-cycle remain unknown. Using cell biology and transcriptomics we are dissecting the molecular mechanisms underlying viral silencing in vegetative tissue and the further activation in reproductive structures. Our results are consistent with a EsV-1-derived genomic insertion playing a key role in algae-virus interactions. In addition, we have identified candidate genes likely to participate in anti-viral defence.

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 Dates: 2023-07
 Publication Status: Published online
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Title: 14th International Conference of the French Society of Plant Biology (PBE 2023)
Place of Event: Marseille, France
Start-/End Date: 2023-07-03 - 2023-07-06

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Title: 14th International Conference of the French Society of Plant Biology (PBE 2023)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 0117-C Start / End Page: 139 Identifier: -