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  • 1
    Electronic Resource
    Electronic Resource
    Calcium-Modulated Proteins: Targets of Intracellular Calcium Signals in Higher Plants (1992)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Plant Physiology and Plant Molecular Biology 43 (1992), S. 375-414 
    Details
    ISSN: 1040-2519
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.pp.43.060192.002111
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Oxytocin Inhibits Aggression in Female Syrian Hamsters (2002)
    Oxford, UK : Blackwell Science, Ltd
    Journal of neuroendocrinology 14 (2002), S. 0 
    Details
    ISSN: 1365-2826
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Dominant subordinate relationships are formed as the result of social conflict and are maintained at least in part by communication. At this time, little is known about the neural mechanisms that are responsible for coordinating the social behaviours (e.g. aggression) that occur in association with the formation and maintenance of these relationships. The purpose of the present study was to investigate the role of oxytocin (OXT) within the medial preoptic anterior hypothalamic continuum (MPOA-AH) in the control of aggression in female hamsters. OXT injected into the MPOA-AH immediately before testing significantly reduced the duration of aggression in a dose-dependent manner. Injection of an OXT antagonist 30 min before testing significantly increased the duration of aggression. In contrast, the duration of aggression was not altered when hamsters were tested either 30 min after injection of OXT or immediately following injection of an OXT-antagonist. These data support the hypothesis that OXT release within the MPOA-AH regulates social behaviours important in the formation and maintenance of dominant subordinate relationships in female hamsters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2826.2002.00863.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Phosphorylation of a putative myosin light chain inChara by calcium-dependent protein kinase (1992)
    Springer
    Protoplasma 171 (1992), S. 85-88 
    Details
    ISSN: 1615-6102
    Keywords: Ca2+-dependent protein kinase ; Chara ; Cytoplasmic streaming ; Myosin light chain ; Phosphorylation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Ca2+-dependent protein kinase (CDPK) has been proposed to mediate inhibition by Ca2+ of cytoplasmic streaming in the green algaChara. We have identified the in vivo substrate(s) of CDPK inChara by using vacuolar perfusion of individual internodal cells with [γ-32P]ATP. Phosphorylation of several polypeptides is enhanced when perfusions are performed at 10−4M free Ca2+ compared to 〈10−9M free Ca2+. The Ca2+-stimulated phosphorylation of these proteins is inhibited by the presence of a monoclonal antibody to soybean CDPK. One of these proteins is 16 to 18kDa and is recognized by an antibody against gizzard myosin light chains. These results demonstrate that inChara, several polypeptides are phophorylated by CDPK and one of these proteins has been tentatively identified as a myosin light chain. These observations support the hypothesis that Ca2+-regulated phosphorylation of myosin is involved in the regulation of cytoplasmic streaming.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01379284
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    Paper (German National Licenses)
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