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Studies on the respiratory metabolism of the marine bacterium Alteromonas haloplanktisBonin Aly Hassan, Marie-Claire January 1985 (has links)
No description available.
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Nitrogen fixation, hydrogen oxidation, and nickel utilization by Pseudomonas saccharophilaBarraquio, Wilfredo L. January 1989 (has links)
Pseudomonas saccharophila could fix N$ sb2$ under micro-aerobic conditions, heterotrophically and chemolithotrophically. Uptake hydrogenase activity under heterotrophic conditions had no effect on the O$ sb2$ sensitivity of nitrogenase. H$ sb2$ induced whereas sucrose and O$ sb2$ repressed hydrogenase synthesis. Sucrose and O$ sb2$ did not inhibit hydrogenase activity. Hydrogenase and urease were located in the membrane and soluble fractions, respectively. Nickel stimulated growth, hydrogenase expression, and nitrogenase activity under N-limited chemolithotrophic conditions. Hydrogenase synthesis specifically required nickel and its repression by O$ sb2$ was alleviated by increasing the nickel concentration. Incorporated $ sp{63}$Ni$ sp{2+}$ was about 3 times higher in the soluble than in the membrane fraction. The short-term uptake of nickel was energy-independent and had an apparent $K sb{m}$ of 31.7 uM and $V sb{max}$ of 3.8 nmol Ni$ sp{2+}$ (mg protein)$ sp{-1}$min$ sp{-1}$. / A counting method for heterotrophic and chemolithotrophic N$ sb2$-fixing H$ sb2$-oxidizing bacteria was developed. The white bean rhizosphere soil showed relatively high numbers of these bacteria.
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Utilization of low molecular weight substrates by psychrotrophic meat spoilage organismsGauthier, Elisabeth January 1990 (has links)
Four meat spoilage organisms were grown at 4$ sp circ$C for 7 d, in an aqueous extract of meat (Meat Juice Medium), and the levels of various nutrients in the extracts were measured. At an agitation rate of 50 rev$ cdot$min$ sp{-1},$ the four species reached viable counts of 10$ sp8$ Colony Forming Units (CFU)$ cdot$ml$ sp{-1},$ and the order of nutrient utilization was as follows: (1) glucose, (2) gluconate and urea, (3) glycerol, (4) glucose-6-phosphate. Several substrates were still present in the growth medium at the end of the growth period, namely lactate, glucose-6-phosphate and the two unknowns. At a higher agitation rate (100 rev$ cdot$min$ sp{-1}),$ the non-fluorescent pseudomonad reached final counts of ca. 10$ sp{10}$ CFU$ cdot$ml$ sp{-1},$ 2 logs higher than those of the other three organisms present in the mixed culture. The order of nutrient utilization was: (1) glucose, (2) gluconate, urea and glycerol, (3) lactate and glucose-6-phosphate, (4) unknowns 1 and 2. At day 7, none of the nine substrates studied remained in the growth medium.
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Physiology of Escherichia coli K-12 during conjugation / Ronald A. Skurray.Skurray, Ronald Anthony January 1974 (has links)
Reprints to two articles published by the author held in pocket in back of publication / x, 158, xxvi leaves : ill. ; 26 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.)--University of Adelaide, Dept. of Microbiology, 1974
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Forms of phosphorus in nutrition of Halobacterium Halobium and Halobacterium SalinariumParekh, Pramodbala 01 January 1981 (has links)
No description available.
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Utilization of low molecular weight substrates by psychrotrophic meat spoilage organismsGauthier, Elisabeth January 1990 (has links)
No description available.
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Effects of sub-optimal temperatures on marine bacteria.Hess, Ernest. January 1933 (has links)
No description available.
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The role of sodium in the growth, respiration and membrane transport of Pseudomonas doudoroffii /Wisse, Gesine Alida. January 1986 (has links)
No description available.
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Studies on the respiratory metabolism of the marine bacterium Alteromonas haloplanktisBonin Aly Hassan, Marie-Claire January 1985 (has links)
No description available.
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Nitrogen fixation, hydrogen oxidation, and nickel utilization by Pseudomonas saccharophilaBarraquio, Wilfredo L. January 1989 (has links)
No description available.
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