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  • Association Learning/*physiology  (1)
  • CRM  (1)
  • 2005-2009  (1)
  • 1975-1979  (1)
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    Electronic Resource
    Electronic Resource
    Regulation of the neutral phosphatase in Chlamydomonas reinhardi: An immunogenetic study of wild-type and mutant strains (1977)
    Springer
    Biochemical genetics 15 (1977), S. 1147-1157 
    Details
    ISSN: 1573-4927
    Keywords: Chlamydomonas, phosphatase mutants ; regulation ; CRM
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract In Chlamydomonas reinhardi, the activity of the neutral phosphatase considerably increases when the cells are grown in the absence of inorganic phosphate (Pi). A comparative immunological study of cells grown on media containing Pi or not indicated that the neutral phosphatase was synthesized de novo. Ten mutants lacking the neutral phosphatase and distributed among three genetic loci (PD 2, PD 3, PD 24) were investigated for their ability to produce cross-reacting material (CRM) antigenically related to the wild enzyme. All mutants were shown to form much less CRM than the wild-type strain. It is proposed that the three genes are involved in the regulation of neutral phosphatase synthesis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00484505
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    Paper (German National Licenses)
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    Postsynaptic receptor trafficking underlying a form of associative learning (2005)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2005-03-05
    Description: To elucidate molecular, cellular, and circuit changes that occur in the brain during learning, we investigated the role of a glutamate receptor subtype in fear conditioning. In this form of learning, animals associate two stimuli, such as a tone and a shock. Here we report that fear conditioning drives AMPA-type glutamate receptors into the synapse of a large fraction of postsynaptic neurons in the lateral amygdala, a brain structure essential for this learning process. Furthermore, memory was reduced if AMPA receptor synaptic incorporation was blocked in as few as 10 to 20% of lateral amygdala neurons. Thus, the encoding of memories in the lateral amygdala is mediated by AMPA receptor trafficking, is widely distributed, and displays little redundancy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rumpel, Simon -- LeDoux, Joseph -- Zador, Anthony -- Malinow, Roberto -- New York, N.Y. -- Science. 2005 Apr 1;308(5718):83-8. Epub 2005 Mar 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cold Spring Harbor Laboratory, Cold Spring Harbor, NY 11724, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15746389" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/cytology/metabolism/*physiology/virology ; Animals ; Association Learning/*physiology ; Conditioning (Psychology) ; Electrophysiology ; Fear ; Female ; Genetic Vectors ; Green Fluorescent Proteins/metabolism ; Long-Term Potentiation ; Male ; Memory/*physiology ; Neural Pathways/physiology ; *Neuronal Plasticity ; Neurons/metabolism/*physiology/virology ; Patch-Clamp Techniques ; Protein Transport ; Rats ; Rats, Sprague-Dawley ; Receptors, AMPA/*metabolism ; Recombinant Fusion Proteins/metabolism ; Simplexvirus/genetics ; Synapses/metabolism/*physiology ; Synaptic Transmission ; Thalamus/physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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