| Autor: |
Brunson, J., Shively, J., Stralka, Kathleen, Decker, G., Greenawalt, J. |
| Zdroj: |
Current Microbiology; March 1978, Vol. 1 Issue: 2 p123-128, 6p |
| Abstrakt: |
Abstract: Escherichia coli O111a1 ceased growth prematurely and accumulated intracytoplasmic membrane at 42C in an amino acids-mineral salts medium. The amount of membrane formed appeared to be proportional to the concentration of amino acids in the medium—the greater the concentration of amino acids in the medium, the greater the membrane production.E. coli O111a1, did not grow at 42C in glucose-, glycerol- or acetate-mineral salts medium, but mesosome-like structures were produced in glucose-grown cells and some intracytoplasmic membrane in cells grown on glycerol and acetate. Supplementation of the glucose medium with pantothenate and/or thiamine permitted normal growth. The vitamins did not restore growth of the mutant in glycerol or acetate, but intracytoplasmic membrane production was increased, especially in glycerol. Amino acids plus glucose supported normal growth with no membrane production. Glycerol and acetate had no effect on the growth in the amino acids medium, but stimulated the accumulation of membrane. |
| Databáze: |
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| Externí odkaz: |
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