[NMDA-Receptors in the central nervous system of the honey bee with kynurenine deficiency]. 2000

N G Lopatina, and I V Ryzhova, and L A Dmitrieva, and E G Chesnokova, and J Woyke
I. P. Pavlov Institute of Physiology of the Russian Acad. Sci., 199034, St. Petersburg, Nab. Makarova, 6, Russia.

Effects of some drugs on the short-term memory were tested. In kynurenine deficit, mutant snow laranja manifested the same pharmacological profile and 10 to 100-fold enhancement of sensitivity of the NMDA receptors' different sites. The data obtained suggest that the gene controlling the key enzyme activity of the kynurenine pathway of tryptophan metabolism is involved in regulation of the CNS NMDA receptors' functional condition. The kynurenines may be classified as endogenous modulators of the NMDA receptor sensitivity.

UI MeSH Term Description Entries
D007737 Kynurenine A metabolite of the essential amino acid tryptophan metabolized via the tryptophan-kynurenine pathway.
D008570 Memory, Short-Term Remembrance of information for a few seconds to hours. Immediate Recall,Memory, Immediate,Working Memory,Memory, Shortterm,Immediate Memories,Immediate Memory,Immediate Recalls,Memories, Immediate,Memories, Short-Term,Memories, Shortterm,Memory, Short Term,Recall, Immediate,Recalls, Immediate,Short-Term Memories,Short-Term Memory,Shortterm Memories,Shortterm Memory,Working Memories
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D003214 Conditioning, Classical Learning that takes place when a conditioned stimulus is paired with an unconditioned stimulus. Reflex, Conditioned,Classical Conditioning,Classical Conditionings,Conditioned Reflex,Conditionings, Classical
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001245 Association Learning The principle that items experienced together enter into a connection, so that one tends to reinstate the other. Association Learnings,Learning, Association,Learnings, Association
D001516 Bees Insect members of the superfamily Apoidea, found almost everywhere, particularly on flowers. About 3500 species occur in North America. They differ from most WASPS in that their young are fed honey and pollen rather than animal food. Apidae,Apis,Apis mellifera,Apis mellifica,European Honey Bee,Honey Bee Drone,Bee,Bee, European Honey,Drone, Honey Bee,European Honey Bees,Honey Bee Drones,Honey Bee, European
D014366 Tryptophan Oxygenase A dioxygenase with specificity for the oxidation of the indoleamine ring of TRYPTOPHAN. It is a LIVER-specific enzyme that is the first and rate limiting enzyme in the kynurenine pathway of TRYPTOPHAN catabolism. Tryptophan Pyrrolase,TDO Dioxygenase,Tryptophan 2,3-Dioxygenase,2,3-Dioxygenase, Tryptophan,Dioxygenase, TDO,Oxygenase, Tryptophan,Pyrrolase, Tryptophan,Tryptophan 2,3 Dioxygenase
D016194 Receptors, N-Methyl-D-Aspartate A class of ionotropic glutamate receptors characterized by affinity for N-methyl-D-aspartate. NMDA receptors have an allosteric binding site for glycine which must be occupied for the channel to open efficiently and a site within the channel itself to which magnesium ions bind in a voltage-dependent manner. The positive voltage dependence of channel conductance and the high permeability of the conducting channel to calcium ions (as well as to monovalent cations) are important in excitotoxicity and neuronal plasticity. N-Methyl-D-Aspartate Receptor,N-Methyl-D-Aspartate Receptors,NMDA Receptor,NMDA Receptor-Ionophore Complex,NMDA Receptors,Receptors, NMDA,N-Methylaspartate Receptors,Receptors, N-Methylaspartate,N Methyl D Aspartate Receptor,N Methyl D Aspartate Receptors,N Methylaspartate Receptors,NMDA Receptor Ionophore Complex,Receptor, N-Methyl-D-Aspartate,Receptor, NMDA,Receptors, N Methyl D Aspartate,Receptors, N Methylaspartate

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