{"title":"[The effect of physicochemical factors on the growth of Pseudomonas putida BS-2 on a medium with diethylene glycol].","authors":"S A Sedina","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The physicochemical factors of medium have been studied for their effect on the physiological indices of growth of Pseudomonas putida BS-2 culture utilizing diethylenglycol as the only source of carbon. Action of the supraoptimal temperature on the growth process of P. putida BS-2 is accompanied by a decrease (more than twice) in economic coefficient of substrate and specific growth rate as compared with their maximal values. Dependences of specific growth rate of P. putida BS-2 in the medium with diethylenglycol on the presence of NaCl in it within the range of its concentrations from 0 to 4% and methanol in the concentration range of 0-20 g/l follow the noncompetitive inhibition equation. When NaCl concentration in the medium is more than 4%, complete separation of constructive and energy metabolism processes is observed.</p>","PeriodicalId":76162,"journal":{"name":"Mikrobiologicheskii zhurnal","volume":"54 4","pages":"43-8"},"PeriodicalIF":0.0000,"publicationDate":"1992-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mikrobiologicheskii zhurnal","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
The physicochemical factors of medium have been studied for their effect on the physiological indices of growth of Pseudomonas putida BS-2 culture utilizing diethylenglycol as the only source of carbon. Action of the supraoptimal temperature on the growth process of P. putida BS-2 is accompanied by a decrease (more than twice) in economic coefficient of substrate and specific growth rate as compared with their maximal values. Dependences of specific growth rate of P. putida BS-2 in the medium with diethylenglycol on the presence of NaCl in it within the range of its concentrations from 0 to 4% and methanol in the concentration range of 0-20 g/l follow the noncompetitive inhibition equation. When NaCl concentration in the medium is more than 4%, complete separation of constructive and energy metabolism processes is observed.
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