Results 211 to 220 of about 948,699 (249)
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Biochemistry, 2003
Fifteen years ago the presence of ion channels in the cytoplasmic membrane of bacteria was held by many to be inherently unlikely, given the prominent role played by the membrane in energy transduction. The presence of channels in the outer membrane of Gram negative bacteria was known and the physiological roles, structures and genetics were already ...
Michelle D. Edwards +2 more
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Fifteen years ago the presence of ion channels in the cytoplasmic membrane of bacteria was held by many to be inherently unlikely, given the prominent role played by the membrane in energy transduction. The presence of channels in the outer membrane of Gram negative bacteria was known and the physiological roles, structures and genetics were already ...
Michelle D. Edwards +2 more
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Physiological Reviews, 2012
Since the first recordings of single potassium channel activities in the plasma membrane of guard cells more than 25 years ago, patch-clamp studies discovered a variety of ion channels in all cell types and plant species under inspection. Their properties differed in a cell type- and cell membrane-dependent manner.
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Since the first recordings of single potassium channel activities in the plasma membrane of guard cells more than 25 years ago, patch-clamp studies discovered a variety of ion channels in all cell types and plant species under inspection. Their properties differed in a cell type- and cell membrane-dependent manner.
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2004
Electrophysiology and the study of ion channels has generally been the province of neurobiologists. However, since the application of patch clamp techniques to microbial membranes, it is evident that microbes possess a variety of ion channel activities. Microbial genome sequencing projects have revealed that, in fact, nearly all microbes that have been
Paul Blount +6 more
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Electrophysiology and the study of ion channels has generally been the province of neurobiologists. However, since the application of patch clamp techniques to microbial membranes, it is evident that microbes possess a variety of ion channel activities. Microbial genome sequencing projects have revealed that, in fact, nearly all microbes that have been
Paul Blount +6 more
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Trends in Neurosciences, 1995
Transmembrane ion channels regulate the movement of ions (particularly Na+, K+, Ca2+ and Cl-) across cellular membranes, and are critical to numerous aspects of neurobiology. Cells express a diverse array of ion-channel proteins that vary widely in their ion selectivity and in their modulation by ligands (such as neurotransmitters) or by membrane ...
Neil S. Millar, William N. Green
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Transmembrane ion channels regulate the movement of ions (particularly Na+, K+, Ca2+ and Cl-) across cellular membranes, and are critical to numerous aspects of neurobiology. Cells express a diverse array of ion-channel proteins that vary widely in their ion selectivity and in their modulation by ligands (such as neurotransmitters) or by membrane ...
Neil S. Millar, William N. Green
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Science, 1986
Voltage-dependent ion channels have been found in the plasma membrane of the yeast Saccharomyces cerevisiae . Ion channel activities were recorded from spheroplasts or patches of plasma membrane with the patch-clamp technique. The most prominent activities came from a set of potassium channels with the properties of
Michael C. Gustin +4 more
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Voltage-dependent ion channels have been found in the plasma membrane of the yeast Saccharomyces cerevisiae . Ion channel activities were recorded from spheroplasts or patches of plasma membrane with the patch-clamp technique. The most prominent activities came from a set of potassium channels with the properties of
Michael C. Gustin +4 more
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1995
Publisher Summary This chapter discusses the ion channels in sperm. The chapter mentions that the flow of ions through the plasma membrane of sperm, particularly Ca2+, participates crucially in the events leading to fertilization. Cell communication involves molecular mechanisms as they play a key role in determining the behavior of organisms.
A. Liévano, A. Darszon
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Publisher Summary This chapter discusses the ion channels in sperm. The chapter mentions that the flow of ions through the plasma membrane of sperm, particularly Ca2+, participates crucially in the events leading to fertilization. Cell communication involves molecular mechanisms as they play a key role in determining the behavior of organisms.
A. Liévano, A. Darszon
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Critical Reviews in Biochemistry, 1985
The first model of the structure of cell membranes was developed very early from indirect evidence.' It postulated the existence of a bimolecular lipid membrane which serves as the main and electrical isolating part of the cell membrane. The proteins were either associated with or incorporated into the membrane.Z Following this idea, it was postulated ...
Wolfang Hanke, Christopher Miller
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The first model of the structure of cell membranes was developed very early from indirect evidence.' It postulated the existence of a bimolecular lipid membrane which serves as the main and electrical isolating part of the cell membrane. The proteins were either associated with or incorporated into the membrane.Z Following this idea, it was postulated ...
Wolfang Hanke, Christopher Miller
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American Journal of Medical Genetics, 2001
AbstractIon channels provide the basis for the regulation of excitability in the central nervous system and in other excitable tissues such as skeletal and heart muscle. Consequently, mutations in ion channel encoding genes are found in a variety of inherited diseases associated with hyper‐ or hypoexcitability of the affected tissue, the so‐called ...
Frank Lehmann-Horn +2 more
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AbstractIon channels provide the basis for the regulation of excitability in the central nervous system and in other excitable tissues such as skeletal and heart muscle. Consequently, mutations in ion channel encoding genes are found in a variety of inherited diseases associated with hyper‐ or hypoexcitability of the affected tissue, the so‐called ...
Frank Lehmann-Horn +2 more
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Current Opinion in Pediatrics, 2001
Diseases as different as cardiac arrhythmias, epilepsy, myotonia, malignant hyperthermia, familial hyperinsulinism, and Bartter syndrome have all been linked to mutations in genes encoding ion channels. This has been made possible by an exciting and fruitful collaboration between clinicians, geneticists, and physiologists. It has led to a more detailed
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Diseases as different as cardiac arrhythmias, epilepsy, myotonia, malignant hyperthermia, familial hyperinsulinism, and Bartter syndrome have all been linked to mutations in genes encoding ion channels. This has been made possible by an exciting and fruitful collaboration between clinicians, geneticists, and physiologists. It has led to a more detailed
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Biochemical Society Transactions, 2007
Neuronal excitability is determined by the flux of ions through ion channels. Many types of ion channels are expressed in the central nervous system, each responsible for its own aspect of neuronal excitability, from postsynaptic depolarization to action potential generation to neurotransmitter release.
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Neuronal excitability is determined by the flux of ions through ion channels. Many types of ion channels are expressed in the central nervous system, each responsible for its own aspect of neuronal excitability, from postsynaptic depolarization to action potential generation to neurotransmitter release.
openaire +3 more sources