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Phosphate Flux

ASoil depth with linear gradient in phosphate concentration = = (dx) = 10 cm [Pg.546]

There is disagreement about the relative importance of an indirect versus a direct microbial role in benthic phosphate flux as triggered by changes in redox state of bottom waters and sediments. The classical view is that microbial reduction and re-oxidation/re-precipitation of... [Pg.4455]

H)2D increases reabsorption of phosphate in the kidney and intestinal absorption of phosphate. In the intestine, phosphate is absorbed as a counterion with Ca + and also by a calcium-independent route. Phosphate flux through both pathways is increased by l,25-(OH)2D but more slowly than calcium transport. The calcium-independent pathway may involve alkaline phosphatase, the activity of which is increased by l,25-(OH)2D. In rat intestine in vitro, phosphate transport is greatest in the jejunum and least in the ileum, whereas calcium uptake is highest in the duodenum. [Pg.883]

Sinke, A.J.C., Cottaar, F.H.M., Buis, K. and Keizer, P. (1992) Methane oxidation by methanotrophs and its effects on the phosphate flux over the sediment-water interface in a eutrophic lake. Microbial Ecology 24, 259-269. [Pg.376]

Neese, R.A., J.M. Schwarz, D. Faix, S. Turner, A. Letscher, D. Vu and M.K. Hellersteirt, 1995. Gluconeogenesis and intrahepatic triose phosphate flux in response to fasting or substrate loads. J. Biol. Chem. 270,14452-14466. [Pg.108]

See other pages where Phosphate Flux is mentioned: [Pg.541]    [Pg.956]    [Pg.1014]    [Pg.281]    [Pg.840]    [Pg.2947]    [Pg.4479]    [Pg.4480]    [Pg.4492]    [Pg.80]    [Pg.220]    [Pg.419]    [Pg.44]    [Pg.45]    [Pg.50]    [Pg.314]    [Pg.229]    [Pg.96]    [Pg.358]    [Pg.546]    [Pg.546]    [Pg.73]    [Pg.335]    [Pg.336]    [Pg.336]   


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