archaebacterium


Also found in: Thesaurus, Medical, Encyclopedia.

ar·chae·bac·te·ri·um

 (är′kē-băk-tîr′ē-əm)
n. pl. ar·chae·bac·te·ri·a

ar·chae·bac·te·ri·um

(är′kē-băk-tîr′ē-əm)
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.archaebacterium - considered ancient life forms that evolved separately from bacteria and blue-green algaearchaebacterium - 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
References in periodicals archive ?
Isoprenoid ethers; backbone of complex lipids of the archaebacterium sulfolobus solfataricus.
Galdieria's heat tolerance seems to come from genes that exist in hundreds of copies in its genome, all descending from a single gene the alga copied millions of years ago from an archaebacterium.