Adenine nucleotide contents and energy charge of Azotobacter vinelandii grown at low phosphate concentration
Rubia, T. ; Gonzalez-Lopez, J. ; Moreno, J. ; Martinez-Toledo, M. V. ; Ramos-Cormenzana, A.
Springer
Published 1987
Springer
Published 1987
| ISSN: |
1432-072X
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|---|---|
| Keywords: |
Azotobacter ; Low-phosphate medium-Adenine nucleotides ; Energy charge-Poly ; β-hydroxybutyrate
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| Source: |
Springer Online Journal Archives 1860-2000
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| Topics: |
Biology
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| Notes: |
Abstract The effect of a low phosphate concentration on intracellular adenine nucleotide content, oxygen consumption and poly-β-hydroxybutyrate deposition was investigated with N-free and NH 4 + batch cultures of Azotobacter vinelandii. When the microorganisms were cultured under low-phosphate concentrations the cells contained much larger amounts of poly-β-hydroxybutyrate, but displayed lower oxygen consumption activities and energy charge values than did control cells. Also, the ratio ATP to ADP was much higher in control cells and the intracellular levels of ATP were lower in low-phosphate cells.
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| Type of Medium: |
Electronic Resource
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| URL: |