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  • 1
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    Entorhinal-hippocampal interactions revealed by real-time imaging (1996)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1996-05-24
    Description: The entorhinal cortex provides the major cortical input to the hippocampus, and both structures have been implicated in memory processes. The dynamics of neuronal circuits in the entorhinal-hippocampal system were studied in slices by optical imaging with high spatial and temporal resolution. Reverberation of neural activity was detected in the entorhinal cortex and was more prominent when the inhibition due to gamma-aminobutyric acid was slightly suppressed. Neural activity was transferred in a frequency-dependent way from the entorhinal cortex to the hippocampus. The entorhinal neuronal circuit could contribute to memory processes by holding information and selectively gating the entry of information into the hippocampus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Iijima, T -- Witter, M P -- Ichikawa, M -- Tominaga, T -- Kajiwara, R -- Matsumoto, G -- New York, N.Y. -- Science. 1996 May 24;272(5265):1176-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular and Cellular Neuroscience Section, Electrotechnical Laboratory, Ibaraki, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8638163" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bicuculline/pharmacology ; Electric Stimulation ; Entorhinal Cortex/*physiology ; GABA Antagonists/pharmacology ; Hippocampus/*physiology ; Image Processing, Computer-Assisted ; In Vitro Techniques ; Male ; Memory/*physiology ; Microscopy, Fluorescence ; Neural Pathways ; Rats ; Rats, Wistar ; Synaptic Transmission/drug effects
    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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  • 2
    Electronic Resource
    Electronic Resource
    Identification of protein disulfide isomerase and calreticulin as autoimmune antigens in LEC strain of rats
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/General Subjects 1158 (1993), S. 339-344 
    Details
    ISSN: 0304-4165
    Keywords: Autoantigen ; Autoimmune ; Calreticulin ; LEC rats ; Protein isomerase
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0304-4165(93)90033-5
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  • 3
    Electronic Resource
    Electronic Resource
    Isolation and characterisation of a mutation in the PMR1 gene encoding a Golgi membrane ATPase, which causes hypersensitivity to over-expression of Clb3 in Saccharomyces cerevisiae (2000)
    Springer
    Molecular genetics and genomics 264 (2000), S. 29-36 
    Details
    ISSN: 1617-4623
    Keywords: Saccharomyces cerevisiae Cell cycle Clb3 Golgi apparatus Glycosylation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract. We screened for mutant strains of Saccharomyces cerevisiae that are sensitive to overexpression of specific cyclins, and identified mutations in two genes that caused growth inhibition in response to mild over-expression of Clb3. One was the ANP1 gene, which encodes a glycosyltransferase previously identified by a similar strategy using Clb2 instead of Clb3. This paper describes the second strain of S. cerevisiae that is hypersensitive to Clb3 expression. The gene mutated in this strain was identified as PMR1, which encodes a Ca2+-ATPase located in the Golgi membrane. The protein product of pmr1-1 was truncated at residue 409 and thus lacked the C-terminal ATPase domain. The pmr1-1 strain was hypersensitive to over-expression of Clb3, but not Cln2, Clb5 or Clb2. The lethality due to Clb3 expression in pmr1-1 could be suppressed by adding Ca2+ ions to the medium. The pmr1-1 strain proved to be defective in glycosylation, and the defects in glycosylation were exacerbated by high levels of Clb3. On induction of Clb3 expression in the pmr1-1 strain, the cells arrested at anaphase with an elongated daughter bud. We discuss possible interpretations of this synthetic lethal phenotype.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004380000300
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