Academic literature on the topic 'Marine NCLDVs'

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Journal articles on the topic "Marine NCLDVs"

1

Kim, Kang Eun, Hyoung Min Joo, Taek-Kyun Lee, et al. "Covariance of Marine Nucleocytoplasmic Large DNA Viruses with Eukaryotic Plankton Communities in the Sub-Arctic Kongsfjorden Ecosystem: A Metagenomic Analysis of Marine Microbial Ecosystems." Microorganisms 11, no. 1 (2023): 169. http://dx.doi.org/10.3390/microorganisms11010169.

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Nucleocytoplasmic large DNA viruses (NCLDVs) infect various marine eukaryotes. However, little is known about NCLDV diversity and their relationships with eukaryotic hosts in marine environments, the elucidation of which will advance the current understanding of marine ecosystems. This study characterizes the interplay between NCLDVs and the eukaryotic plankton community (EPC) in the sub-Arctic area using metagenomics and metabarcoding to investigate NCLDVs and EPC, respectively, in the Kongsfjorden ecosystem of Svalbard (Norway) in April and June 2018. Gyrodinium helveticum (Dinophyceae) is t
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Hingamp, Pascal, Nigel Grimsley, Silvia G. Acinas, et al. "Exploring nucleo-cytoplasmic large DNA viruses in Tara Oceans microbial metagenomes." ISME Journal 7 (April 11, 2013): 1678–95. https://doi.org/10.1038/ismej.2013.59.

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Nucleo-cytoplasmic large DNA viruses (NCLDVs) constitute a group of eukaryotic viruses that can have crucial ecological roles in the sea by accelerating the turnover of their unicellular hosts or by causing diseases in animals. To better characterize the diversity, abundance and biogeography of marine NCLDVs, we analyzed 17 metagenomes derived from microbial samples (0.2–1.6 μm size range) collected during the Tara Oceans Expedition. The sample set includes ecosystems under-represented in previous studies, such as the Arabian Sea oxygen minimum zone (OMZ) and Indian Ocean lagoons. By combining
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Jung, Seung Won, Kang Eun Kim, Hyun-Jung Kim, and Taek-Kyun Lee. "Metavirome Profiling and Dynamics of the DNA Viral Community in Seawater in Chuuk State, Federated States of Micronesia." Viruses 15, no. 6 (2023): 1293. http://dx.doi.org/10.3390/v15061293.

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Despite their abundance and ecological importance, little is known about the diversity of marine viruses, in part because most cannot be cultured in the laboratory. Here, we used high-throughput viral metagenomics of uncultivated viruses to investigate the dynamics of DNA viruses in tropical seawater sampled from Chuuk State, Federated States of Micronesia, in March, June, and December 2014. Among the identified viruses, 71–79% were bacteriophages belonging to the families Myoviridae, Siphoviridae, and Podoviridae (Caudoviriales), listed in order of abundance at all sampling times. Although th
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Caeiro, M. F., R. Costa, A. Amorim, et al. "Detection of Amoeba and Amoeba-associated Microorganisms (AAMs) from Natural and Hospital Environments." Microscopy and Microanalysis 18, S5 (2012): 31–32. http://dx.doi.org/10.1017/s1431927612012810.

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Amoebae graze on bacteria from the environment. In some cases, bacteria acquire resistance to the destructive action of amoebae and survive inside the host. The resistance of microorganisms to amoebae is often accompanied by resistance to the physiologically related human macrophage and displays increased pathogenic potential to humans. The association of bacteria with amoebae, that are ubiquitous in the environment, protects the bacteria from common disinfection measures. This leads to the creation of reservoirs of pathogenic microorganisms that are difficult to eradicate. This process occurs
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Ramirez, Christian, Declan Schroeder, Gerald C. Shurson, and Pedro E. Urriola. "PSI-5 Evaluation of EhV (surrogate for African swine fever virus) inactivation in corn- and soybean-based feed ingredients and diets at various times and temperatures during storage." Journal of Animal Science 102, Supplement_2 (2024): 347–48. http://dx.doi.org/10.1093/jas/skae102.398.

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Abstract African swine fever virus (ASFV) is a member of the nucleocytoplasmic large DNA viruses (NCLDVs) and remains stable in a variety of environments, including animal feed ingredients as shown in previous laboratory experiments and simulations. Emiliania huxleyi virus (EhV) is another member of NCLDV, which has a restricted host range limited to a species of marine algae called Emiliania huxleyi. This algal NCLDV has many similar morphological and physical characteristics to ASFV which makes it a safe and reliable surrogate for studying ASFV survival and inactivation in feed ingredient ma
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Weynberg, Karen D., Patrick W. Laffy, Elisha M. Wood-Charlson, et al. "Coral-associated viral communities show high levels of diversity and host auxiliary functions." PeerJ 5 (November 17, 2017): e4054. http://dx.doi.org/10.7717/peerj.4054.

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Stony corals (Scleractinia) are marine invertebrates that form the foundation and framework upon which tropical reefs are built. The coral animal associates with a diverse microbiome comprised of dinoflagellate algae and other protists, bacteria, archaea, fungi and viruses. Using a metagenomics approach, we analysed the DNA and RNA viral assemblages of seven coral species from the central Great Barrier Reef (GBR), demonstrating that tailed bacteriophages of the Caudovirales dominate across all species examined, and ssDNA viruses, notably the Microviridae, are also prevalent. Most sequences wit
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Potapov, Sergey, Andrey Krasnopeev, Irina Tikhonova, Galina Podlesnaya, Anna Gorshkova, and Olga Belykh. "The Viral Fraction Metatranscriptomes of Lake Baikal." Microorganisms 10, no. 10 (2022): 1937. http://dx.doi.org/10.3390/microorganisms10101937.

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This article characterises viral fraction metatranscriptomes (smaller than 0.2 µm) from the pelagic zone of oligotrophic Lake Baikal (Russia). The study revealed the dominance of transcripts of DNA viruses: bacteriophages and algal viruses. We identified transcripts similar to Pithovirus sibericum, a nucleocytoplasmic large DNA virus (NCLDV) isolated from the permafrost region of Eastern Siberia. Among the families detected were RNA viruses assigned to Retroviridae, Metaviridae, Potyviridae, Astroviridae, and Closteroviridae. Using the PHROG, SEED subsystems databases, and the VOGDB, we indica
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Yang, Qingwei, Chen Gao, Yong Jiang, et al. "Metagenomic Characterization of the Viral Community of the South Scotia Ridge." Viruses 11, no. 2 (2019): 95. http://dx.doi.org/10.3390/v11020095.

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Viruses are the most abundant biological entities in aquatic ecosystems and harbor an enormous amount of genetic diversity. Whereas their influence on marine ecosystems is widely acknowledged, current information about their diversity remains limited. We conducted a viral metagenomic analysis of water samples collected during the austral summer of 2016 from the South Scotia Ridge (SSR), near the Antarctic Peninsula. The taxonomic composition and diversity of the viral communities were investigated, and a functional assessment of the sequences was performed. Phylotypic analysis showed that most
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Howes, Calvin, Pablo E. Saide, Hugh Coe, et al. "Biomass-burning smoke's properties and its interactions with marine stratocumulus clouds in WRF-CAM5 and southeastern Atlantic field campaigns." Atmospheric Chemistry and Physics 23, no. 21 (2023): 13911–40. http://dx.doi.org/10.5194/acp-23-13911-2023.

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Abstract. A large part of the uncertainty in climate projections comes from uncertain aerosol properties and aerosol–cloud interactions as well as the difficulty in remotely sensing them. The southeastern Atlantic functions as a natural laboratory to study biomass-burning smoke and to constrain this uncertainty. We address these gaps by comparing the Weather Research and Forecasting with Chemistry Community Atmosphere Model (WRF-CAM5) to the multi-campaign observations ORACLES (ObseRvations of Aerosols above CLouds and their intEractionS), CLARIFY (CLoud–Aerosol–Radiation Interaction and Forci
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Meng, Lingjie, Hisashi Endo, Romain Blanc-Mathieu, et al. "Quantitative Assessment of Nucleocytoplasmic Large DNA Virus and Host Interactions Predicted by Co-occurrence Analyses." mSphere 6, no. 2 (2021). http://dx.doi.org/10.1128/msphere.01298-20.

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ABSTRACT Nucleocytoplasmic large DNA viruses (NCLDVs) are highly diverse and abundant in marine environments. However, the knowledge of their hosts is limited because only a few NCLDVs have been isolated so far. Taking advantage of the recent large-scale marine metagenomics census, in silico host prediction approaches are expected to fill the gap and further expand our knowledge of virus-host relationships for unknown NCLDVs. In this study, we built co-occurrence networks of NCLDVs and eukaryotic taxa to predict virus-host interactions using Tara Oceans sequencing data. Using the positive like
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