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PMID:15182714
| Citation |
Davies, AG, Bettinger, JC, Thiele, TR, Judy, ME and McIntire, SL (2004) Natural variation in the npr-1 gene modifies ethanol responses of wild strains of C. elegans. Neuron 42:731-43 |
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| Abstract |
Variation in the acute response to ethanol between individuals has a significant impact on determining susceptibility to alcoholism. The degree to which genetics contributes to this variation is of great interest. Here we show that allelic variation that alters the functional level of NPR-1, a neuropeptide Y (NPY) receptor-like protein, can account for natural variation in the acute response to ethanol in wild strains of Caenorhabditis elegans. NPR-1 negatively regulates the development of acute tolerance to ethanol, a neuroadaptive process that compensates for effects of ethanol. Furthermore, dynamic changes in the NPR-1 pathway provide a mechanism for ethanol tolerance in C. elegans. This suggests an explanation for the conserved function of NPY-related pathways in ethanol responses across diverse species. Moreover, these data indicate that genetic variation in the level of NPR-1 function determines much of the phenotypic variation in adaptive behavioral responses to ethanol that are observed in natural populations. |
| Links |
PubMed Online version:10.1016/j.neuron.2004.05.004 |
| Keywords |
Animals; Animals, Genetically Modified; Behavior, Animal/drug effects; Caenorhabditis elegans/drug effects; Caenorhabditis elegans/genetics; Caenorhabditis elegans Proteins/genetics; Caenorhabditis elegans Proteins/physiology; Central Nervous System Depressants/metabolism; Central Nervous System Depressants/pharmacology; Chromosome Mapping/methods; Dose-Response Relationship, Drug; Drug Tolerance/genetics; Ethanol/metabolism; Ethanol/pharmacology; Genetic Variation/drug effects; Genetic Variation/genetics; Green Fluorescent Proteins; Luminescent Proteins/metabolism; Models, Biological; Mutation; RNA, Messenger/biosynthesis; Receptors, Neuropeptide Y/genetics; Receptors, Neuropeptide Y/physiology; Reverse Transcriptase Polymerase Chain Reaction/methods; Social Behavior; Species Specificity; Substance Withdrawal Syndrome/physiopathology; Time Factors; Transformation, Genetic |
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Significance
Annotations
| Gene product | Qualifier | GO ID | GO term name | Evidence Code | with/from | Aspect | Notes | Status |
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