Academic literature on the topic 'Marnaviridae'

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Journal articles on the topic "Marnaviridae"

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Wang, Han, Anna Munke, Siqi Li, Yuji Tomaru, and Kenta Okamoto. "Structural Insights into Common and Host-Specific Receptor-Binding Mechanisms in Algal Picorna-like Viruses." Viruses 14, no. 11 (2022): 2369. http://dx.doi.org/10.3390/v14112369.

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Marnaviridae viruses are abundant algal viruses that regulate the dynamics of algal blooms in aquatic environments. They employ a narrow host range because they merely lyse their algal host species. This host-specific lysis is thought to correspond to the unique receptor-binding mechanism of the Marnaviridae viruses. Here, we present the atomic structures of the full and empty capsids of Chaetoceros socialis forma radians RNA virus 1 built-in 3.0 Å and 3.1 Å cryo-electron microscopy maps. The empty capsid structure and the structural variability provide insights into its assembly and uncoating
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Luo, Jingfei, Fan Zhang, Chengyan Zhou, et al. "Meta-Transcriptomic Analysis Reveals Novel RNA Viruses in Polychaetes Perinereis." Veterinary Sciences 11, no. 6 (2024): 273. http://dx.doi.org/10.3390/vetsci11060273.

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Perinereis species are essential benthonic animals in coastal ecosystems and have significant roles as live feed in aquaculture, owing to their high-protein and low-fat nutritional profile. Despite their ecological importance, the viral communities associated with these organisms need to be better understood. In this study, we generated 2.6 × 108 reads using meta-transcriptomic sequencing and de novo assembled 5.3 × 103 virus-associated contigs. We identified 12 novel RNA viruses from two species, Perinereis aibuhitensis and P. wilsoni, which were classified into four major viral groups: Picob
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Potapov, Sergey, Anna Gorshkova, Andrey Krasnopeev, et al. "RNA-Seq Virus Fraction in Lake Baikal and Treated Wastewaters." International Journal of Molecular Sciences 24, no. 15 (2023): 12049. http://dx.doi.org/10.3390/ijms241512049.

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In this study, we analyzed the transcriptomes of RNA and DNA viruses from the oligotrophic water of Lake Baikal and the effluent from wastewater treatment plants (WWTPs) discharged into the lake from the towns of Severobaikalsk and Slyudyanka located on the lake shores. Given the uniqueness and importance of Lake Baikal, the issues of biodiversity conservation and the monitoring of potential virological hazards to hydrobionts and humans are important. Wastewater treatment plants discharge treated effluent directly into the lake. In this context, the identification and monitoring of allochthono
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Han, Zhenzhi, Jinbo Xiao, Yang Song, et al. "The Husavirus Posa-Like Viruses in China, and a New Group of Picornavirales." Viruses 12, no. 9 (2020): 995. http://dx.doi.org/10.3390/v12090995.

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Novel posa-like viral genomes were first identified in swine fecal samples using metagenomics and were designated as unclassified viruses in the order Picornavirales. In the present study, nine husavirus strains were identified in China. Their genomes share 94.1–99.9% similarity, and alignment of these nine husavirus strains identified 697 nucleotide polymorphism sites across their full-length genomes. These nine strains were directly clustered with the Husavirus 1 lineage, and their genomic arrangement showed similar characteristics. These posa-like viruses have undergone a complex evolutiona
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Chase, Emily E., Sonia Monteil-Bouchard, Angélique Gobet, Felana H. Andrianjakarivony, Christelle Desnues, and Guillaume Blanc. "A High Rate Algal Pond Hosting a Dynamic Community of RNA Viruses." Viruses 13, no. 11 (2021): 2163. http://dx.doi.org/10.3390/v13112163.

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Despite a surge of RNA virome sequencing in recent years, there are still many RNA viruses to uncover—as indicated by the relevance of viral dark matter to RNA virome studies (i.e., putative viruses that do not match to taxonomically identified viruses). This study explores a unique site, a high-rate algal pond (HRAP), for culturing industrially microalgae, to elucidate new RNA viruses. The importance of viral-host interactions in aquatic systems are well documented, and the ever-expanding microalgae industry is no exception. As the industry becomes a more important source of sustainable plast
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Wolf, Yuri I., Sukrit Silas, Yongjie Wang, et al. "Doubling of the known set of RNA viruses by metagenomic analysis of an aquatic virome." Nature Microbiology 5, no. 10 (2020): 1262–70. http://dx.doi.org/10.1038/s41564-020-0755-4.

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Abstract RNA viruses in aquatic environments remain poorly studied. Here, we analysed the RNA virome from approximately 10 l water from Yangshan Deep-Water Harbour near the Yangtze River estuary in China and identified more than 4,500 distinct RNA viruses, doubling the previously known set of viruses. Phylogenomic analysis identified several major lineages, roughly, at the taxonomic ranks of class, order and family. The 719-member-strong Yangshan virus assemblage is the sister clade to the expansive class Alsuviricetes and consists of viruses with simple genomes that typically encode only RNA-
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Zell, Roland, Marco Groth, Lukas Selinka, and Hans-Christoph Selinka. "Diversity of Picorna-Like Viruses in the Teltow Canal, Berlin, Germany." Viruses 16, no. 7 (2024): 1020. http://dx.doi.org/10.3390/v16071020.

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The viromes of freshwater bodies are underexplored. The Picornavirales order, with 371 acknowledged species, is one of the most expansive and diverse groups of eukaryotic RNA viruses. In this study, we add 513 picorna-like viruses to the assemblage of more than 2000 unassigned picorna-like viruses. Our set of the aquatic Picornavirales virome of the Teltow Canal in Berlin, Germany, consists of 239 complete and 274 partial genomes. This urban freshwater body is characterized by the predominance of marna-like viruses (30.8%) and dicistro-like viruses (19.1%), whereas picornaviruses, iflaviruses,
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Lang, Andrew S., Marli Vlok, Alexander I. Culley, Curtis A. Suttle, Yoshitake Takao, and Yuji Tomaru. "ICTV Virus Taxonomy Profile: Marnaviridae 2021." Journal of General Virology 102, no. 8 (2021). http://dx.doi.org/10.1099/jgv.0.001633.

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The family Marnaviridae comprises small non-enveloped viruses with positive-sense RNA genomes of 8.6–9.6 kb. Isolates infect marine single-celled eukaryotes (protists) that come from diverse lineages. Some members are known from metagenomic studies of ocean virioplankton, with additional unclassified viruses described from metagenomic datasets derived from marine and freshwater environments. This is a summary of the International Committee on Taxonomy of Viruses (ICTV) Report on the family Marnaviridae, which is available at ictv.global/report/marnaviridae.
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Vlok, Marli, Andrew S. Lang, and Curtis A. Suttle. "Application of a sequence-based taxonomic classification method to uncultured and unclassified marine single-stranded RNA viruses in the order Picornavirales." Virus Evolution 5, no. 2 (2019). http://dx.doi.org/10.1093/ve/vez056.

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Abstract Metagenomics has altered our understanding of microbial diversity and ecology. This includes its applications to viruses in marine environments that have demonstrated their enormous diversity. Within these are RNA viruses, many of which share genetic features with members of the order Picornavirales; yet, very few of these have been taxonomically classified. The only recognized family of marine RNA viruses is the Marnaviridae, which was founded based on discovery and characterization of the species Heterosigma akashiwo RNA virus. Two additional genera of marine RNA viruses, Labyrnavir
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Xu, Ailan, Shan Xu, Qihang Tu, et al. "A novel virus in the family Marnaviridae as a potential pathogen of Penaeus vannamei glass post-larvae disease." Virus Research, December 2022, 199026. http://dx.doi.org/10.1016/j.virusres.2022.199026.

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Dissertations / Theses on the topic "Marnaviridae"

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Chase, Emily. "PHYCOVIR : diversity and dynamics of viruses in a high-density microalgae culture." Electronic Thesis or Diss., Aix-Marseille, 2021. http://www.theses.fr/2021AIXM0554.

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Ce travail de thèse a été consacrée à l'étude d'un bassin de culture de microalgues (HRAP) avec l'objectif d'examiner les épisodes de mortalité massive, dont la cause est inconnue. Nous avons testé l'hypothèse que des virus de microalgues pourraient être responsables. Cette étude représente la première tentative d'exploration de la diversité virale dans un HRAP, en même temps que la collecte de données des hôtes potentiels grâce au métabarcodage 18S. L’analyse bioinformatique de métagénomes a permis d’identifier des virus présents dans le HRAP, et la dynamique de leurs populations a été suivie
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Book chapters on the topic "Marnaviridae"

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"Marnaviridae." In Virus Taxonomy. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-12-384684-6.00073-2.

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Vlok, Marli, Curtis A. Suttle, and Andrew S. Lang. "Family Marnaviridae." In Reference Module in Life Sciences. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-809633-8.21323-x.

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