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Marine phages parasite marine bacteria and archaea, such as cyanobacteria. They are a common and diverse group of viruses and are the most abundant biological entity in marine environments, because their hosts, bacteria, are typically the numerically dominant cellular life in the sea.
Marine prokaryotes are marine bacteria and marine archaea. They are defined by their habitat as prokaryotes that live in marine environments, that is, in the saltwater of seas or oceans or the brackish water of coastal estuaries. All cellular life forms can be divided into prokaryotes and eukaryotes.
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Jan 13, 2021 · Members of the domain Archaea are now known to have diversified and radiated into a variety of disparate habitats in both aquatic freshwater, marine, and terrestrial environments. When the Archaea were first recognized via phylogenetic analyses of ribosomal RNA sequences of pure cultures ( Woese and Fox, 1977; Woese, 1987 ), they appeared at ...
- Edward F. DeLong
- 10.3389/fmicb.2020.616086
- 2021
- Front Microbiol. 2020; 11: 616086.
Archaea are ubiquitous and abundant members of the marine plankton. Once thought of as rare organisms found in exotic extremes of temperature, pressure, or salinity, archaea are now known in nearly every marine environment. Though frequently referred to collectively, the planktonic archaea actually comprise four major phylogenetic groups, each ...
Jan 13, 2021 · Abstract. In 1977, Woese and Fox leveraged molecular phylogenetic analyses of ribosomal RNAs and identified a new microbial domain of life on Earth, the Archaebacteria (now known as Archaea). At the time of their discovery, only one archaebacterial group, the strictly anaerobic methanogens, was known.
- Edward F. DeLong
- 2021
The marine microbiome is composed of the three domains of life: bacteria, archaea, and eukarya, as well as viruses, all of which in dazzling numbers and diversity. All of the known microbial lineages are represented and many are exclusively found in the ocean and there is little doubt that life originated in the ocean. Download chapter PDF.
Introduction Marine microorganisms; Overview; Marine viruses Phages Role of viruses Giant viruses; Prokaryotes Marine bacteria Marine archaea; Eukaryotes Marine protists By trophic mode By locomotion Marine fungi Marine microanimals; Primary producers Cyanobacteria Algae
