Living Beings

    Compare species

    Source-identified Lacticaseibacillus rhamnosus; Source-identified documentary image; see the original file for method and context.

    Lacticaseibacillus rhamnosus

    Lacticaseibacillus rhamnosus

    Source-identified Aliivibrio fischeri; Source-identified documentary image; see the original file for method and context.

    Aliivibrio fischeri

    Aliivibrio fischeri

    LGG tipo-salvaje.PNG · Resized and converted to WebP for display. Source-identified documentary image; see the original file for method and context. Claes IJJ, Schoofs G, Regulski K, Courtin P, Chapot-Chartier M-P, Rolain T, et al. · CC BY 4.0

    Aliivibrio Fischeri.jpg · Resized and converted to WebP for display. Source-identified documentary image; see the original file for method and context. Seltersberg · CC BY 4.0

    Evidence from the profiles

    Compare their characteristics

    TraitLacticaseibacillus rhamnosusAliivibrio fischeri
    Physical traitsCells are rod-shaped. Microscopic appearance alone cannot distinguish this species securely from related lactic acid bacteria.Small bacterial cells require microscopy for direct observation. Light emission is a physiological property, not a visible body-color diagnosis.
    Habitat and rangeThe species has been studied in fermented foods and host-associated settings. Survival and growth differ among strains and substrates.Marine environmental phases and specialized host-associated sites provide distinct growth conditions.
    Diet and nutritionCarbohydrate metabolism produces lactic acid. A strain's ability to use particular sugars requires its own evidence.Organic substrates support metabolism. Conditions inside a host can differ substantially from those in surrounding seawater.
    Behavior and activityGrowth and stress responses change with the chemical environment. Studies of GG in yogurt concern that strain and tested conditions.Chemical signaling and population context influence light production and other behaviors relevant to colonization.
    Reproduction and life cycleCells reproduce through division. The name GG denotes an inherited strain identity, not a reproductive stage.Cell multiplication and repeated opportunities for host colonization connect free-living and symbiotic phases.
    Geographic distributionFood and research cultures are distributed widely. The origin and identity of an isolate should accompany an occurrence record.Environmental and host-derived strains have documented collection localities. The origin of one experimental strain does not define the full range.
    Ecological roleFermentation and host-associated microbial communities provide contrasting settings for interactions with other organisms.The well-studied squid association demonstrates a microbial contribution to an animal's light-producing system.
    Distinctive adaptationsDifferences in adhesion, metabolism and stress tolerance can distinguish strains within the same species.Bioluminescence, environmental sensing and colonization traits help explain the model symbiosis.

    Classification

    Shared ancestry

    Closest shared taxon: Bacteria.

    1. LifeLife
    2. DomainBacteria
    kingdomBacillatiphylumBacillotaclassBacilliorderLactobacillalesfamilyLactobacillaceaegenusLacticaseibacillusspeciesLacticaseibacillus rhamnosus
    kingdomPseudomonadatiphylumPseudomonadotaclassGammaproteobacteriaorderVibrionalesfamilyVibrionaceaegenusAliivibriospeciesAliivibrio fischeri
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