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  1. 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.

  2. 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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  4. Jan 13, 2021 · 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
    • 10.3389/fmicb.2020.616086
    • 2021
    • Front Microbiol. 2020; 11: 616086.
  5. Mar 7, 2022 · Marine Microbes. Dozens of oval bacteria coat the membrane of this microorganism, known as a protist, collected from the sulfidic, anoxic Cariaco Basin off the coast of Venezuela. This pairing is probably an example of mutualistic symbiosis, a close relationship between two species in which both parties benefit.

  6. Jul 21, 2017 · Marine archaea are critical contributors to global carbon and nitrogen redox cycles, but their temporal variability and microbial associations across the water column are poorly known.

    • Alma E Parada, Jed A Fuhrman
    • 2017
  7. Dec 7, 2023 · Phylogenomics reveals the timeline over which marine bacteria and archaea colonized the oceans and shows the geological context of their diversification.

  8. May 16, 2017 · Thermophile, halophile, alkalophile, psychrophile, piezophile and polyextremophile microorganisms have been isolated from these marine environments; they proliferate thanks to adaptation strategies involving diverse cellular metabolic mechanisms.

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