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Oxygen uptake kinetics of Pseudomonas chlororaphis grown in glucose- or glutamate-limited continuous cultures. / Bodelier, P.L.E.; Laanbroek, H.J.

In: Archives of Microbiology, Vol. 167, No. 6, 1997, p. 392-395.

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@article{e20858913c324f438e5b0e8ca11bcbc1,
title = "Oxygen uptake kinetics of Pseudomonas chlororaphis grown in glucose- or glutamate-limited continuous cultures",
abstract = "Oxygen uptake and glucose and glutamate oxidation kinetics of the heterotrophic bacterium Pseudomonas chlororaphis grown in glucose- or glutamate-limited cultures under oxygen-saturating or oxygen-limiting conditions were determined. K-m values for oxygen were 1.4-5.6 mu M Only in the case of glucose were significantly lower K-m values and enhanced specific oxygen affinity (V-max/K-m) per cell found under oxygen-limiting conditions. Both K-m and specific affinity values for glucose and glutamate oxidation were apparently affected by oxygen concentration, although a statistically significant enhancement of the oxidation kinetics was found only for glutamate. The kinetic data found for P. chlororaphis support the conclusion that the outcome of competition for oxygen with Niti europaea europaea in the rhizosphere of oxygen-releasing macrophytes will primarily be determined by oxidation kinetics of the electron donor instead of the oxygen uptake kinetics of the respective organisms. [KEYWORDS: oxygen kinetics; K-m; Pseudomonas chlororaphis; Nitrosomonas europaea; chemostat; competition Mixed continuous cultures; nitrosomonas-europaea; competition; bacteria; nitrification; ammonium; roots]",
author = "P.L.E. Bodelier and H.J. Laanbroek",
note = "Reporting year: 1997 Metis note: 2223; CTE ; CL; PVP ; MWE ; ME; file:///L:/Endnotedatabases/NIOOPUB/pdfs/Pdfs1997/Bodelier_ea_2223.pdf",
year = "1997",
doi = "10.1007/s002030050460",
language = "English",
volume = "167",
pages = "392--395",
journal = "Archives of Microbiology",
issn = "0302-8933",
publisher = "Springer Verlag",
number = "6",

}

RIS

TY - JOUR

T1 - Oxygen uptake kinetics of Pseudomonas chlororaphis grown in glucose- or glutamate-limited continuous cultures

AU - Bodelier, P.L.E.

AU - Laanbroek, H.J.

N1 - Reporting year: 1997 Metis note: 2223; CTE ; CL; PVP ; MWE ; ME; file:///L:/Endnotedatabases/NIOOPUB/pdfs/Pdfs1997/Bodelier_ea_2223.pdf

PY - 1997

Y1 - 1997

N2 - Oxygen uptake and glucose and glutamate oxidation kinetics of the heterotrophic bacterium Pseudomonas chlororaphis grown in glucose- or glutamate-limited cultures under oxygen-saturating or oxygen-limiting conditions were determined. K-m values for oxygen were 1.4-5.6 mu M Only in the case of glucose were significantly lower K-m values and enhanced specific oxygen affinity (V-max/K-m) per cell found under oxygen-limiting conditions. Both K-m and specific affinity values for glucose and glutamate oxidation were apparently affected by oxygen concentration, although a statistically significant enhancement of the oxidation kinetics was found only for glutamate. The kinetic data found for P. chlororaphis support the conclusion that the outcome of competition for oxygen with Niti europaea europaea in the rhizosphere of oxygen-releasing macrophytes will primarily be determined by oxidation kinetics of the electron donor instead of the oxygen uptake kinetics of the respective organisms. [KEYWORDS: oxygen kinetics; K-m; Pseudomonas chlororaphis; Nitrosomonas europaea; chemostat; competition Mixed continuous cultures; nitrosomonas-europaea; competition; bacteria; nitrification; ammonium; roots]

AB - Oxygen uptake and glucose and glutamate oxidation kinetics of the heterotrophic bacterium Pseudomonas chlororaphis grown in glucose- or glutamate-limited cultures under oxygen-saturating or oxygen-limiting conditions were determined. K-m values for oxygen were 1.4-5.6 mu M Only in the case of glucose were significantly lower K-m values and enhanced specific oxygen affinity (V-max/K-m) per cell found under oxygen-limiting conditions. Both K-m and specific affinity values for glucose and glutamate oxidation were apparently affected by oxygen concentration, although a statistically significant enhancement of the oxidation kinetics was found only for glutamate. The kinetic data found for P. chlororaphis support the conclusion that the outcome of competition for oxygen with Niti europaea europaea in the rhizosphere of oxygen-releasing macrophytes will primarily be determined by oxidation kinetics of the electron donor instead of the oxygen uptake kinetics of the respective organisms. [KEYWORDS: oxygen kinetics; K-m; Pseudomonas chlororaphis; Nitrosomonas europaea; chemostat; competition Mixed continuous cultures; nitrosomonas-europaea; competition; bacteria; nitrification; ammonium; roots]

U2 - 10.1007/s002030050460

DO - 10.1007/s002030050460

M3 - Article

VL - 167

SP - 392

EP - 395

JO - Archives of Microbiology

JF - Archives of Microbiology

SN - 0302-8933

IS - 6

ER -

ID: 145471