archeobacteria


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Noun1.archeobacteria - considered ancient life forms that evolved separately from bacteria and blue-green algaearcheobacteria - 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 ?
In all organisms examined, from Archeobacteria to humans, temperature elevation above the normal physiological temperature leads to a heat shock response, which consists of a profound alteration of gene expression (Morimoto et al.
From fossil and sequence evidence, we can infer that the informational molecule DNA would have been born some time in that volume, because archeobacteria, the first forms of life, would appear in the seas in volume 22.
To answer that question, to grok our DNA, we need to go back in evolution to complex systems evolved by archeobacteria billions of years ago, when they alone held title to Earth.