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Keywords: phloretin
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Journal Articles
J Exp Biol (2019) 222 (3): jeb194787.
Published: 1 February 2019
... concentrations increased with incubation time. Phloretin (0.25 mmol l −1 , which blocked urea reabsorption) greatly increased the rate of ammonia accumulation in the lumen. A sensitive [ 14 C]urea-based assay was developed to examine the potential role of microbial urease in this ammonia production. Urease...
Journal Articles
J Exp Biol (2013) 216 (3): 437–446.
Published: 1 February 2013
... by the production of 3 H 2 O from [2- 3 H]-glucose. Saturation kinetics of glucose uptake and inhibition of both glucose uptake and metabolism by cytochalasin B and phloretin revealed that Atlantic cod, cunner and sculpin RBCs all had a facilitated transport component to glucose trafficking. RBCs from Atlantic...
Journal Articles
J Exp Biol (2011) 214 (14): 2337–2344.
Published: 15 July 2011
... fructose transport was decreased in the presence of mucosal phloretin in warm spring/summer animals, but the same effect was not observed in cold autumn/winter animals, suggesting a seasonal regulation of sugar transporters. Mucosal phloretin had no effect on MS glucose transport. Both SM glucose and SM...
Journal Articles
J Exp Biol (2003) 206 (18): 3293–3302.
Published: 15 September 2003
... transporter in the kidney of the dogfish. We examined mechanisms of urea transport in the kidney of the little skate Raja erinacea using an isolated brush-border membrane vesicle preparation. Urea uptake by brush-border membrane vesicles is by a phloretin-sensitive, non-saturable uniporter in the dorsal...
Journal Articles
J Exp Biol (2000) 203 (20): 3199–3207.
Published: 15 October 2000
...C. M. Pilley; P. A. Wright ABSTRACT We tested the hypothesis that urea transport in rainbow trout ( Oncorhynchus mykiss ) embryos is dependent, in part, on a bidirectional urea-transport protein. Acute exposure to phloretin and urea analogs [acetamide, thiourea, 1,(4-nitrophenyl)-2-thiourea...
Journal Articles
J Exp Biol (1995) 198 (2): 577–583.
Published: 1 February 1995
... to 3-OMG. Although transport is inhibited by cytochalasin B and phloretin, the lack of saturation kinetics for transport in a physiologically relevant concentration range suggests either that a glucose transporter does not exist or that its affinity for glucose is extremely low. The marked increase...