Article: Vliianie uglerodnogo, azotnogo i fosfornogo pitaniia na rost R-, S- i M-dissotsiantov Pseudomonas Aeruginasa v smeshannykh kul'turakh.
1999 Volume 68, Issue 4, Page(s) 485–490
Abstract: ... S, and M dissociants of the hydrocarbon-oxidizing strain P. aeruginosa K-2 was studied. The optimal ... of phosphate in the growth medium. The fraction of M dissociant depended solely on the concentration ...
Title translation | Effect of carbon, nitrogen and phosphorus nutrition on the R, S, and M dissociants of Pseudomonas aeruginosa in mixed cultures. |
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Abstract | The effect of glucose, nitrate, and phosphate on the stationary-phase growth characteristics of R, S, and M dissociants of the hydrocarbon-oxidizing strain P. aeruginosa K-2 was studied. The optimal concentrations of glucose and phosphate providing for at least 90% of the maximal culture density were found to be 2-7% glucose and 0.02-0.12% phosphate. The main factor that determined the proportion of dissociants in bacterial populations was the initial concentration of phosphate. The fraction of R dissociant in populations increased linearly with the concentration of glucose and varied nonlinearly with the concentration of phosphate in the growth medium. The fraction of M dissociant depended solely on the concentration of phosphate in a manner inverse to that typical of R dissociant. In glucose-deficient media containing sufficient amounts of phosphorus, S dissociant prevailed over R dissociant. |
MeSH term(s) | Carbon/metabolism ; Culture Media ; Nitrogen/metabolism ; Phosphorus/metabolism ; Pseudomonas aeruginosa/cytology ; Pseudomonas aeruginosa/growth & development ; Pseudomonas aeruginosa/metabolism |
Chemical Substances | Culture Media ; Phosphorus (27YLU75U4W) ; Carbon (7440-44-0) ; Nitrogen (N762921K75) |
Language | Russian |
Publishing date | 1999-07 |
Publishing country | Russia (Federation) |
Document type | English Abstract ; Journal Article |
ZDB-ID | 209707-2 |
ISSN | 0026-3656 |
ISSN | 0026-3656 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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