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BACTERIES CHIMIOTROPHES [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2013-08-27

English

Subject field(s)
  • Microbiology and Parasitology
  • Living Matter - General Properties
DEF

[Referring to] an organism (such as most plants and certain microorganisms) which is capable of synthesizing its own food from simple organic substances, requiring only minerals as nutrients for growth, and using carbonate or carbon dioxide as a source of carbon and simple inorganic nitrogen as a nitrogen source; the energy required is derived from photosynthesis or chemosynthesis.

CONT

... long before the Ediacaran radiation there existed complex communities of bacteria and protists, including ... autotrophic forms (those that produce organic matter from inorganic molecules) ...

OBS

Green plants, which make their own food through photosynthesis, are autotrophs.

OBS

Opposed to heterotroph.

French

Domaine(s)
  • Microbiologie et parasitologie
  • Propriétés générales de la matière vivante
DEF

Se dit [...] de certaines bactéries, qui se nourrissent sans apport de substances préformées par un autre être vivant.

CONT

[...] bien avant la faune d’Ediacara, vivaient des communautés complexes de bactéries et de protistes comprenant [...] des formes autotrophes (qui synthétisent leur propre matière organique à partir de molécules minérales) [...]

OBS

Quelques groupes de bactéries(chimiotrophes) se procurent l'énergie nécessaire à leur synthèse en effectuant des transformations chimiques exothermiques dans le milieu qui les entoure(bactéries du soufre, de l'azote, du fer, de l'hydrogène).

OBS

Par opposition à «hétérotrophe».

Spanish

Campo(s) temático(s)
  • Microbiología y parasitología
  • Propiedades generales de la materia viva
Save record 1

Record 2 1987-09-24

English

Subject field(s)
  • Microbiology and Parasitology
  • Nutritive Elements (Biological Sciences)
DEF

any of several substances that, in minute quantities, serve as nutrients for microorganisms.

French

Domaine(s)
  • Microbiologie et parasitologie
  • Éléments nutritifs (Sciences biologiques)
CONT

Les bactéries autotrophes, chimiotrophes et chimio-autotrophes peuvent se nourrir exclusivement de nutrilites minéraux.(...) A partir de ces nutrilites ils peuvent synthétiser tous leurs constituants cellulaires(...)

Spanish

Save record 2

Record 3 1986-04-23

English

Subject field(s)
  • Microbiology and Parasitology
DEF

Bacteria that synthesize organic compounds by using energy derived from the oxidation of organic and inorganic materials without the aid of light.

French

Domaine(s)
  • Microbiologie et parasitologie
DEF

Bactéries qui réalisent la synthèse des composés organiques grâce à l’énergie fournie par des réactions chimiques.

Spanish

Save record 3

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