Living Beings

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    Pyrococcus furiosus

    Pyrococcus furiosus

    Source-identified Loxodonta africana; Documentary organism photograph; source identification retained.

    African Savanna Elephant

    Loxodonta africana

    African bush elephant (Loxodonta africana), Masai Mara.jpg · Resized and converted to WebP for display. Documentary organism photograph; source identification retained. Hobbyfotowiki · CC0

    Evidence from the profiles

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    TraitPyrococcus furiosusAfrican Savanna Elephant
    Physical traitsCells are approximately rounded and require microscopy for direct observation. Molecular diagrams from the species do not depict whole cells.Broad ears, a long trunk and column-like legs give the animal its familiar outline. The trunk tip has two finger-like projections. Both sexes can develop tusks.
    Habitat and rangeThe authenticated type strain is associated with hot marine sediment. The DSMZ culture collection records Vulcano Island as its isolation locality and maintains it under anaerobic, high-temperature conditions. Such culture instructions document the needs of a particular laboratory strain; they are not a recommendation to treat every geothermal site as a confirmed occurrence.Savannas and open woodland provide a shifting mixture of browse, grass, shade and drinking water. Seasonal water availability influences the places that herds use.
    Diet and nutritionThe organism uses organic substrates rather than light as its energy source. Work summarized by Kengen distinguishes sugar fermentation from growth on proteins: sulfur requirements depend on the substrate and conditions. Fermentation of starch-derived sugars produces acetate, carbon dioxide and hydrogen. These specific metabolic observations are more useful than saying that every hyperthermophilic archaeon obtains energy in the same way.Grasses, leaves, bark and other plant material make up its diet. The trunk gathers food and moves it to the mouth.
    Behavior and activityThe 2017 account describes strong motility and rapid growth under favorable culture conditions. Those observations helped motivate the species name, but laboratory growth speed should not be treated as a constant rate in natural sediment. Temperature, substrate supply and gas conditions are part of the experimental setting.Female relatives and their young form long-lasting social groups. Older females hold knowledge of familiar routes and resources; adult males have a different pattern of association.
    Reproduction and life cycleCells increase in number through division when conditions permit. Continuous-culture experiments maintained growth near 100 °C and measured gas production alongside dilution rate. Such experiments distinguish sustained cellular growth from the separate observation that an isolated enzyme remains active after heating.Calves are born alive and depend on milk and extended social care. Learning from other elephants is an important part of growing up.
    Geographic distributionThe type-strain record provides a definite natural locality at Vulcano, Italy. International collections maintain descendants of that isolate, including DSM 3638 and JCM 8422. A culture housed in another country is not evidence that the species is native there, so this profile does not turn a catalogue of laboratory holdings into a world distribution map.Native to sub-Saharan Africa. This account follows the savanna-elephant species concept rather than treating all African elephants as one species.
    Ecological roleIts metabolism demonstrates that organic carbon can be processed in hot, oxygen-free marine environments. The natural community contains organisms with different metabolic roles. Species-level observations should not be expanded into an unsupported food web or a claim that this archaeon dominates every hydrothermal habitat.Feeding and movement alter vegetation, and dung transfers seeds and nutrients. Habitat fragmentation and killing for ivory threaten populations.
    Distinctive adaptationsHeat-compatible cellular machinery permits growth under conditions that disrupt many ordinary proteins. The type-strain catalogue also records production of the Pfu DNA polymerase used in research. Enzyme stability and whole-cell growth are related aspects of its biology, but the presence of a stable enzyme is not by itself proof that a cell survives any arbitrary temperature.Data unavailable

    Classification

    Shared ancestry

    Closest shared taxon: cellular organisms.

    1. LifeLife
    domainArchaeakingdomMethanobacteriatiphylumMethanobacteriotaclassThermococciorderThermococcalesfamilyThermococcaceaegenusPyrococcusspeciesPyrococcus furiosus
    domainEukaryotakingdomAnimaliaphylumChordataclassMammaliaorderProboscideafamilyElephantidaegenusLoxodontaspeciesLoxodonta africana
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