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Digitale Medien

Properties of hepatic hexose-6-phosphate dehydrogenase purified from brook trout and lake trout

Stegeman, J.J. ; Goldberg, E.

Amsterdam : Elsevier

Comparative Biochemistry and Physiology -- Part B: Biochemistry and 43 (1972), S. 241-256

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ISSN: 0305-0491

Schlagwort(e): 2-dG-6-P, 2-deoxyglucose-6-phosphate ; ATP ; ATP, adenosine triphosphate ; G-6-P, glucose-6-phosphate ; Gal-6-P, galactose-6-phosphate ; Glucose-6-phosphate dehydrogenase ; Mg^2^+ ; NAD, nicotinamide ade adenine dinucleotide ; NADP, nicotinamide adenine dinucleotide phosphate ; Salvelinus fontinalis ; Salvelinus namaycush ; acclimation ; activation energy ; anions ; brook trout ; enzyme inhibition ; enzyme kinetics ; enzyme stimulation ; hexose-6-phosphate dehydrogenase ; isoelectric point ; lake trout ; pH optima ; salmonids ; thermal denaturation

Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Thema: Biologie , Chemie und Pharmazie

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1016/0305-0491(72)90282-9

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Digitale Medien

Activity of peptidergic neurons in the amygdala during sexual behavior in the male rat (1994)

Minerbo, G. ; Albeck, D. ; Goldberg, E. ; [weitere]

Springer

Experimental brain research 97 (1994), S. 444-450

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ISSN: 1432-1106

Schlagwort(e): Medial amygdaloid nucleus (AME) ; Vasopressin ; Oxytocin ; Copulation ; Rat

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Abstract The medial amygdaloid nucleus (AME) occupies a central position in the circuitry that organizes sexual behavior in the male rat. It receives a projection from olfactory structures that are activated by pheromonal cues indicating receptivity in the female and projects in turn to limbic and hypothalamic structures that are thought to organize aspects of coitus. Electrical stimulation of the AME elicits a behavioral state that is indistinguishable by several measures from the post-ejaculatory interval. We used chronic single-unit recording techniques to determine the behavioral conditions in which the AME is normally active. We found that the cells indeed fired selectively during the presence of a receptive female, but that the discharge considerably anticipated copulation in time. We propose that sexual behavior in the male rat is a reaction chain of fixed action patterns, each one acting as a releaser for the next. The AME mediates an early event in the reaction chain, namely recognition of the receptive female, but electrical activation of the AME causes the reaction chain to proceed to its culminating behavior, the post-ejaculatory interval.