Search
Skip to Search Results- 5Chan, Catherine B.
- 5Wheeler, Michael B.
- 4Koshkin, Vasilij
- 2Gänzle, Michael G.
- 1Arumugam, Yoga
- 1Asghar, Zeenat
-
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,...
-
The isolation and characterization of two Stenotrophomonas maltophilia bacteriophages capable of cross-taxonomic order infectivity
Download2015
Lynch, Karlene H.Stothard, Paul, Peters, Danielle L., Dennis, Jonathan J.
Background A rapid worldwide increase in the number of human infections caused by the extremely antibiotic resistant bacterium Stenotrophomonas maltophilia is prompting alarm. One potential treatment solution to the current antibiotic resistance dilemma is “phage therapy”, the clinical...
-
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...
-
Rumen microbial community composition varies with diet and host, but a core microbiome is found across a wide geographical range
Download2015
Cox, Faith, Janssen, Peter H., Henderson, Gemma, Jonker, Arjan, Young, Wayne, Ganesh, Siva
Ruminant livestock are important sources of human food and global greenhouse gas emissions. Feed degradation and methane formation by ruminants rely on metabolic interactions between rumen microbes and affect ruminant productivity. Rumen and camelid foregut microbial community composition was...
-
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...
-
2012
Follador, Rainer, Gänzle, Michael G.
Oligosaccharides, compounds that are composed of 2–10 monosaccharide residues, are major carbohydrate sources in habitats populated by lactobacilli. Moreover, oligosaccharide metabolism is essential for ecological fitness of lactobacilli. Disaccharide metabolism by lactobacilli is well...
-
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...
-
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...
-
Impaired de novo choline synthesis explains why phosphatidylethanolamine N-methyltransferase-deficient mice are protected from diet-induced obesity
Download2010
Kuo, Ming-Shang, Dyck, Jason R. B., Sletten, Torunn, Proctor, Spencer D., Jacobs, René L., Lingrell, Susanne, Cao, Guoqing, Peake, David A., Kennedy, Brian P., Zhao, Yang, Vance, Dennis E., Koonen, Debby P. Y., Su, Brian
Phosphatidylcholine (PC) is synthesized from choline via the CDP-choline pathway. Liver cells can also synthesize PC via the sequential methylation of phosphatidylethanolamine, catalyzed by phosphatidylethanolamine N-methyltransferase (PEMT). The current study investigates whether or not hepatic...
-
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...