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Author (down) Ödberg Fo,
Title Studies on the formation of ungrazed eleminative areas in fields used by horses Type Journal Article
Year 1977 Publication Abbreviated Journal Appl Anim Ethol
Volume 3 Issue Pages 27-34
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1429
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Author (down) Zeeb K,
Title Comparison du comportement des chevaux et des resultats du dressage au cirque Type Journal Article
Year 1977 Publication Abbreviated Journal Ann Med Vet
Volume 121 Issue Pages 37-38
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1749
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Author (down) Wilson, M.T.; Ranson, R.J.; Masiakowski, P.; Czarnecka, E.; Brunori, M.
Title A kinetic study of the pH-dependent properties of the ferric undecapeptide of cytochrome c (microperoxidase) Type Journal Article
Year 1977 Publication European Journal of Biochemistry / FEBS Abbreviated Journal Eur J Biochem
Volume 77 Issue 1 Pages 193-199
Keywords Animals; Cyanides; *Cytochrome c Group/metabolism; Ferric Compounds; Horses; Hydrogen-Ion Concentration; Imidazoles; Kinetics; Mathematics; Myocardium/enzymology; *Oligopeptides/metabolism; *Peptide Fragments/metabolism; Protein Binding; Spectrophotometry; Temperature
Abstract The ferric form of the haem undecapeptide, derived from horse cytochrome c by peptic digestion, undergoes at least three pH-induced transitions with pK values of 3.4, 5.8 and 7.6. Temperature-jump experiments suggest that the first of these is due to the binding of a deprotonated imidazole group to the feric iron while the second and third arise from the binding of the two available amino groups present (the alpha-NH2 of valine and the epsilon-NH2 of lysine). Molecular models indicate that steric retraints on the peptide dictate that these amino groups may only coordinate to iron atoms via intermolecular bonds, thus leading to the polymerization of the peptide. Cyanide binding studies are in agreement with these conclusions and also yield a value of 3.6 X 10(6) M-1 s-1 for the intrinsic combination constant of CN- anion with the haem. A model is proposed which describes the pH-dependent properties of the ferric undecapeptide.
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ISSN 0014-2956 ISBN Medium
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Notes PMID:20304 Approved no
Call Number Equine Behaviour @ team @ Serial 3814
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Author (down) Tsong, T.Y.
Title Conformational relaxations of urea- and guanidine hydrochloride-unfolded ferricytochrome c Type Journal Article
Year 1977 Publication The Journal of Biological Chemistry Abbreviated Journal J Biol Chem
Volume 252 Issue 24 Pages 8778-8780
Keywords *Cytochrome c Group; Guanidines/*pharmacology; Protein Conformation/drug effects; Spectrometry, Fluorescence; Urea/*pharmacology
Abstract Several recent studies of protein the unfolded proteins. In urea- and guanidine HCl-unfolded ferricytochrome c (horse heart), an acid-induced spin state transformation of the heme group has been detected by the heme absorptions, Trp-59 fluorescence, and the intrinsic viscosity of protein. Kinetics of this second conformational transition, by the temperature jump and stopped flow methods, are complex. One rapid reaction (tau1), pH-independent, occurs in a 50-mus range; the second reaction (tau2), in a 1-ms range, depends linearly upon pH and is faster at the alkaline side; a third reaction (tau3), in a 1-s range, shows a sigmoidal transition at pH 5.1 and is faster at the acidic side. The results are consistent with a kinetic scheme which involves protein conformational changes in the transformation of the heme coordination state. The kinetics, along with previous equilibrium studies, indicate that ligand or charge interactions within a protein molecule are not completely prohibited even in strongly denaturing conditions, such as in high concentrations of urea and guanidine HCl. Thus, local structures of peptide chain associated with these interactions can exist in the unfolded protein.
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ISSN 0021-9258 ISBN Medium
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Notes PMID:200618 Approved no
Call Number refbase @ user @ Serial 3882
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Author (down) Seyfarth, R.M.
Title A model of social grooming among adult female monkeys Type Journal Article
Year 1977 Publication Journal of Theoretical Biology Abbreviated Journal J. Theor. Biol.
Volume 65 Issue 4 Pages 671-698
Keywords Animals; Behavior, Animal; Female; *Grooming; Haplorhini/*physiology; *Models, Biological; Reproduction; Social Dominance; Time Factors
Abstract Grooming networks among adult female monkeys exhibit two similar features across a number of different species. High-ranking animals receive more grooming than others, and the majority of grooming occurs between females of adjacent rank. A theoretical model which duplicates these features is presented, and the properties of the model are used to explain the possible causation and function of female grooming behaviour. The model illustrates how relatively simple principles governing the behaviour of individuals may be used to explain more complex aspects of the social structure of non-human primate groups.
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ISSN 0022-5193 ISBN Medium
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Notes PMID:406485 Approved no
Call Number Equine Behaviour @ team @ Serial 5259
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Author (down) Schulman AH; Kaplowitz C
Title Mirror image response during the first two years of life Type Journal Article
Year 1977 Publication Dev. Psychobiol. Abbreviated Journal
Volume 10 Issue Pages 133
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 3039
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Author (down) Rudy, J.W.; Iwens, J.; Best, P.J.
Title Pairing novel exteroceptive cues and illness reduces illness-induced taste aversions Type Journal Article
Year 1977 Publication Journal of Experimental Psychology. Animal Behavior Processes Abbreviated Journal J Exp Psychol Anim Behav Process
Volume 3 Issue 1 Pages 14-25
Keywords Animals; *Association; *Avoidance Learning; Awareness; Conditioning, Operant; *Cues; Drinking Behavior; Environment; Inhibition (Psychology); Lithium/poisoning; Male; Rats; Saccharin/pharmacology; *Taste
Abstract Four experiments are reported that lead to the conclusion that pairing novel exteroceptive stimulation (placement into a black compartment) with a poison (lithium chloride) attenuates the development of an aversion to a taste (saccharin) subsequently paired with the poison. Such an attenuation effect occurs whether the exteroceptive cues are present or absent when the taste-poison pairing is administered. Interpretation and implications of this finding are discussed.
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ISSN 0097-7403 ISBN Medium
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Notes PMID:845542 Approved no
Call Number Equine Behaviour @ team @ Serial 2789
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Author (down) Rodgers Wa,
Title Seasonal changes in group size amongst five wild herbivore species Type Journal Article
Year 1977 Publication Abbreviated Journal E Afr Wildl J
Volume 15 Issue Pages 175-190
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1512
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Author (down) PICKETT BW et al,
Title Impotence and abnormal sexual behavior in the stallion Type Journal Article
Year 1977 Publication Abbreviated Journal Theriogenology
Volume 8 Issue Pages 329-347
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1469
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Author (down) Packer, C.
Title Reciprocal altruism in Papio anubis Type Journal Article
Year 1977 Publication Nature Abbreviated Journal Nature
Volume 265 Issue Pages 441-445
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Notes 10.1038/265441a0 Approved no
Call Number Equine Behaviour @ team @ Serial 4840
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