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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.
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.
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Jul 21, 2017 · Altmetric. Metrics. Subjects. Archaea. Community ecology. Microbial ecology. Abstract. Marine archaea are critical contributors to global carbon and nitrogen redox cycles, but their...
- Alma E Parada, Jed A Fuhrman
- 2017
Lokiarchaeota found in a deep-sea hydrothermal vent show an evolutionary link between archaea and the more complex eukaryotes. After examining the archaeal DNA, researchers discover that these microbes share about 100 genes for complex cellular functions with eukaryotes, suggesting they are the closest living prokaryotic relatives of eukaryotes.
Jul 29, 2022 · Significance. Archaeal lipids are ubiquitous in marine sediments and are commonly used to infer past marine sea surface temperatures. However, these molecules can also be used to investigate the ecological and evolutionary history of marine archaea.
Nov 6, 2023 · Bacteria, archaea, fungi, algae and viruses make up most of the biomass in the seas and form the base of marine food webs. They support nutrient cycling and drive crucial biogeochemical...
Apr 21, 2022 · "Microbe" is a general term that encompasses almost any microscopic organism, including bacteria and archaea, which lack a cell nucleus or other membrane-bound cellular structures, and protists (mostly unicellular organisms that lack specialized tissues, and hence, are neither plant nor animal nor fungus).
