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Skip to Search Results- 5Chan, Catherine B.
- 5Wheeler, Michael B.
- 4Koshkin, Vasilij
- 3Gänzle, Michael G.
- 2Gifford, D. J.
- 2Zheng, Jinshui
- 17Graduate and Postdoctoral Studies (GPS), Faculty of
- 17Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 13Agricultural, Food and Nutritional Science, Department of
- 13Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
- 2Biological Sciences, Department of
- 2Biological Sciences, Department of/Journal Articles (Biological Sciences)
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1996
Energy requirements of moose (AIces alces) and wapiti (Cervus elaphus) calves were compared from December to February to determine whether metabolic requirements were lower in a boreal-adapted than in a parkland-adapted wild cervid. Eight calves of each species were divided equally into groups...
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Structural and Biochemical Changes in Loblolly Pine (Pinus taeda L.) Seeds During Germination and Early-Seedling Growth. I. Storage Protein Reserves
Download1997
Abstract: Quantitative and qualitative changes in the storage proteins of loblolly pine (Pinus taeda L.) seeds were followed during germination and early-seedling growth and were correlated with light-microscopic observations. In both the megagametophyte and the embryo, the cells of tissues from...
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Amino Acid Utilization in Seeds of Loblolly Pine during Germination and Early Seedling Growth: I. Arginine and Arginase Activity
Download1997
Abstract: The mobilization and utilization of the major storage proteins in loblolly pine (Pinus taeda L.) seeds following imbibition were investigated. Most of the seed protein reserves were contained within the megagametophyte. Breakdown of these proteins occurred primarily following radicle...
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Increased rate of fatty acid uptake and plasmalemmal fatty acid transporters in obese Zucker rats
Download2001
Arumugam, Yoga, Luiken, Joost J. F. P., Dyck, David J., Bonen, Arend, Tandon, Narendra N., Pelsers, Maurice M. L., Bell, Rhonda C., Turcotte, Lorraine P., Glatz, Jan F. C.
Giant vesicles were used to study the rates of uptake of long-chain fatty acids by heart, skeletal muscle, and adipose tissue of obese and lean Zucker rats. With obesity there was an increase in vesicular fatty acid uptake of 1.8-fold in heart, muscle and adipose tissue. In some tissues only...
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Transport and reaction processes in bioremediation of organic contaminants. 1. Review of bacterial degradation and transport
Download2003-01-01
Bressler, David C., Gray, Murray R.
Bioremediation of contaminants in soil and water involves a complex interplay between transport processes and biological reactions. Equilibrium physical factors such as aqueous solubility, soil adsorption, and phase partitioning indicate the transport processes that can limit bioremediation,...
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2003
Chan, Catherine B., Wang, Xiaolin, Koshkin, Vasilij, Wheeler, Michael B., Scherer, Philipp E.
Excessive free fatty acid (FFA) exposure represents a potentially important diabetogenic condition that can impair insulin secretion from pancreatic β-cells. Because mitochondrial oxidative phosphorylation is a main link between glucose metabolism and insulin secretion, in the present work we...
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2004
Zhang, Chen-Yu, Chan, Catherine B., Koshkin, Vasilij, Wheeler, Michael B., Lowell, Bradford B., Joseph, Jamie W., Saleh, Monique C., Sivitz, William I.
Chronic exposure to elevated free fatty acids (lipotoxicity) induces uncoupling protein (UCP2) in the pancreatic β-cell, and therefore a causal link between UCP2 and β-cell defects associated with obesity may exist. Recently, we showed that lipid treatment in vivo and in vitro in UCP2(–/–)...
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The characterization of mitochondrial permeability transition (MPT) in clonal pancreatic beta cells: Multiple modes and regulation
Download2004
Chan, Catherine B., Bikopoulos, George, Koshkin, Vasilij, Wheeler, Michael B.
Mitochondrial permeability transition (MPT), which contributes substantially to the regulation of normal mitochondrial metabolism, also plays a crucial role in the initiation of cell death. It is known that MPT is regulated in a tissue-specific manner. The importance of MPT in the pancreatic...
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Glucose-regulated glucagon secretion requires insulin receptor expression in pancreatic α-cells
Download2005
Chan, Catherine B., Wheeler, Michael B., Asghar, Zeenat, Diao, Jingyu
The insulin receptor (IR) and its signaling appear to be essential for insulin secretion from pancreatic β-cells. However, much less is known about the role of the IR in α-cells. To assess the role of the IR in glucagon and insulin secretion, we engineered adeno-viruses for high efficiency small...
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Limited mitochondrial permeabilization is an early manifestation of palmitate-induced lipotoxicity in pancreatic ß-cells
Download2008
Wheeler, Michael B., Chan, Catherine B., Dai, Feihan F., Koshkin, Vasilij, Robson-Doucette, Christine A.
Involvement of the mitochondrial permeability transition (MPT) pore in early stages of lipotoxic stress in the pancreatic β-cell lines MIN6 and INS-1 was the focus of this study. Both long term (indirect) and acute (direct) effects of fatty acid (FA) application on β-cell susceptibility to...