Imaging Techniques for Detecting Prokaryotic Viruses in Environmental Samples

Viruses are the most abundant biological entities on Earth with an estimate of 1031 viral particles across all ecosystems. Prokaryotic viruses—bacteriophages and archaeal viruses—influence global biogeochemical cycles by shaping microbial communities through predation, through the effect of horizont...

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Vydáno v:	Viruses Ročník 13; číslo 11; s. 2126
Hlavní autoři:	Turzynski, Victoria, Monsees, Indra, Moraru, Cristina, Probst, Alexander J.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Switzerland MDPI AG 21.10.2021 MDPI
Témata:	Archaea atomic force microscopy Biogeochemical cycles Ecosystems electron microscopy evolution fluorescence microscopy Gene transfer Genes genome Genome, Viral Genomes Genomics helium-ion microscopy horizontal gene transfer Horizontal transfer Hypotheses Infections lifestyle Localization Metabolism Metagenomics Microscopy - methods Microscopy, Electron - methods Morphology Phages Predation Review Reviews Scanning electron microscopy Transmission electron microscopy Ultrastructure Viral infections Virome viromics Viruses Viruses - classification Viruses - genetics Viruses - isolation & purification Viruses - ultrastructure Visualization fluorescence in situ hybridization helium-ion microscopy phageFISH metagenomics electron microscopy atomic force microscopy viromics virusFISH fluorescence microscopy direct-geneFISH
ISSN:	1999-4915, 1999-4915
On-line přístup:	Získat plný text
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Shrnutí:	Viruses are the most abundant biological entities on Earth with an estimate of 1031 viral particles across all ecosystems. Prokaryotic viruses—bacteriophages and archaeal viruses—influence global biogeochemical cycles by shaping microbial communities through predation, through the effect of horizontal gene transfer on the host genome evolution, and through manipulating the host cellular metabolism. Imaging techniques have played an important role in understanding the biology and lifestyle of prokaryotic viruses. Specifically, structure-resolving microscopy methods, for example, transmission electron microscopy, are commonly used for understanding viral morphology, ultrastructure, and host interaction. These methods have been applied mostly to cultivated phage–host pairs. However, recent advances in environmental genomics have demonstrated that the majority of viruses remain uncultivated, and thus microscopically uncharacterized. Although light- and structure-resolving microscopy of viruses from environmental samples is possible, quite often the link between the visualization and the genomic information of uncultivated prokaryotic viruses is missing. In this minireview, we summarize the current state of the art of imaging techniques available for characterizing viruses in environmental samples and discuss potential links between viral imaging and environmental genomics for shedding light on the morphology of uncultivated viruses and their lifestyles in Earth’s ecosystems.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 ObjectType-Review-3 content type line 23
ISSN:	1999-4915 1999-4915
DOI:	10.3390/v13112126