Search on: ARCHAEA 
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Descriptor English:   Archaea 
Descriptor Spanish:   Archaea 
Descriptor Portuguese:   Archaea 
Synonyms English:   Archaebacteria
Tree Number:   B02
Definition English:   One of the three domains of life (the others being BACTERIA and Eukarya), formerly called Archaebacteria under the taxon Bacteria, but now considered separate and distinct. They are characterized by: (1) the presence of characteristic tRNAs and ribosomal RNAs; (2) the absence of peptidoglycan cell walls; (3) the presence of ether-linked lipids built from branched-chain subunits; and (4) their occurrence in unusual habitats. While archaea resemble bacteria in morphology and genomic organization, they resemble eukarya in their method of genomic replication. The domain contains at least four kingdoms: CRENARCHAEOTA; EURYARCHAEOTA; NANOARCHAEOTA; and KORARCHAEOTA. 
Indexing Annotation English:   in taxonomy, one of the 3 domains of life along with BACTERIA & Eucarya
History Note English:   98(81); ARCHAEA was see ARCHAEOBACTERIA 1995-97 
Allowable Qualifiers English:  
CH chemistry CL classification
CY cytology DE drug effects
EN enzymology GE genetics
GD growth & development IM immunology
IP isolation & purification ME metabolism
PY pathogenicity PH physiology
RE radiation effects UL ultrastructure
VI virology  
Record Number:   30301 
Unique Identifier:   D001105 

Occurrence in VHL: