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archaebacterium

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
ar·chae·bac·te·ri·um  (ärk-bk-tîr-m)
n. pl. ar·chae·bac·te·ri·a
An archaeon.

[archae(o)- + bacterium.]

archaebacterium  (ärk-bk-tîr-m)
Plural archaebacteria
See archaeon.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.archaebacterium - considered ancient life forms that evolved separately from bacteria and blue-green algae
moneran, moneron - organisms that typically reproduce by asexual budding or fission and whose nutritional mode is absorption or photosynthesis or chemosynthesis
division Archaebacteria - in some classifications considered a kingdom
methanogen - archaebacteria found in anaerobic environments such as animal intestinal tracts or sediments or sewage and capable of producing methane; a source of natural gas
halophil, halophile - archaebacteria requiring a salt-rich environment for growth and survival
thermoacidophile - archaebacteria that thrive in strongly acidic environments at high temperatures

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? Mentioned in ? References in periodicals archive
 
They conjecture that an evolutionary quantum leap happened after an archaebacterium swallowed a eubacterium.
Sequence heterogeneity between the two genes encoding 16S rRNA from the halophilic archaebacterium Haloarcula marismortui.
Complete sequence and gene organization of the genome of a hyperthermophilic archaebacterium, Pyrococcus horikoshii OT3.
 
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