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Descriptor in English: Alphaproteobacteria
Descriptor in Spanish: Alphaproteobacteria
Descriptor in Portuguese: Alphaproteobacteria
Descriptor in French: Alphaproteobacteria
Entry term(s): Proteobacteria alpha
alpha Proteobacteria
Tree number(s): B03.660.050
Scope note: A class in the phylum PROTEOBACTERIA comprised mostly of two major phenotypes: purple non-sulfur bacteria and aerobic bacteriochlorophyll-containing bacteria.
Allowable Qualifiers: CH chemistry
CL classification
CY cytology
DE drug effects
EN enzymology
GD growth & development
GE genetics
IM immunology
IP isolation & purification
ME metabolism
PH physiology
PY pathogenicity
RE radiation effects
UL ultrastructure
VI virology
History Note: 2004 (2000)
DeCS UI: 34136
Descriptor UI: D020561
Date Established: 2000/01/01
Date of Entry: 1999/11/03
Revision Date: 2009/07/06
Alphaproteobacteria - Preferred
Concept UI M0328413
Scope note A class in the phylum PROTEOBACTERIA comprised mostly of two major phenotypes: purple non-sulfur bacteria and aerobic bacteriochlorophyll-containing bacteria.
Preferred term Alphaproteobacteria
Entry term(s) Proteobacteria alpha
alpha Proteobacteria



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