Document Detail


Adenylate nucleotide levels and energy charge in Arthrobacter crystallopoietes during growth and starvation.
MedLine Citation:
PMID:  518238     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The adenylate nucleotide concentrations, based on internal water space, were determined in cells of Arthrobacter crystallopoietes during growth and starvation and the energy charge of the cells was calculated. The energy charge of spherical cells rose during the first 10 h of growth, then remained nearly constant for as long as 20 h into the stationary phase. The energy charge of rod-shaped cells rose during the first 4 h of growth, then remained constant during subsequent growth and decreased in the stationary growth phase. Both spherical and rod-shaped cells excreted adenosine monophosphate but not adenosine triphosphate or adenosine diphosphate during starvation. The intracellular energy charge of spherical cells declined during the initial 10 h and then remained constant for 1 week of starvation at a value of 0.78. The intracellular energy charge of rod-shaped cells declined during the first 24 h of starvation, remained constant for the next 80 h, then decreased to a value of 0.73 after a total of 168 h starvation. Both cell forms remained more than 90% viable during this time. Addition of a carbon and energy source to starving cells resulted in an increase in the ATP concentration and as a result the energy charge increased to the smae levels as found during growth.
Authors:
W T Leps; J C Ensign
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Archives of microbiology     Volume:  122     ISSN:  0302-8933     ISO Abbreviation:  Arch. Microbiol.     Publication Date:  1979 Jul 
Date Detail:
Created Date:  1980-02-28     Completed Date:  1980-02-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0410427     Medline TA:  Arch Microbiol     Country:  GERMANY, WEST    
Other Details:
Languages:  eng     Pagination:  69-76     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adenine Nucleotides / metabolism*
Adenosine Diphosphate / metabolism
Adenosine Monophosphate / metabolism
Adenosine Triphosphate / metabolism
Arthrobacter / cytology,  growth & development,  metabolism*
Glucose / metabolism
Succinates / metabolism
Water / metabolism
Chemical
Reg. No./Substance:
0/Adenine Nucleotides; 0/Succinates; 50-99-7/Glucose; 56-65-5/Adenosine Triphosphate; 58-64-0/Adenosine Diphosphate; 61-19-8/Adenosine Monophosphate; 7732-18-5/Water

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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