Records |
Author |
Saigo, S. |
Title |
Kinetic and equilibrium studies of alkaline isomerization of vertebrate cytochromes c |
Type |
Journal Article |
Year |
1981 |
Publication |
Biochimica et Biophysica Acta |
Abbreviated Journal |
Biochim Biophys Acta |
Volume |
669 |
Issue |
1 |
Pages |
13-20 |
Keywords |
Amino Acid Sequence; Animals; Cytochrome c Group/*metabolism; Dogs; Hydrogen-Ion Concentration; Isomerism; Kinetics; Vertebrates/metabolism |
Abstract |
Equilibria and kinetics of alkaline isomerization of seven ferricytochromes c from vertebrates were studied by pH-titration and pH-jump methods in the pH region of 7-12. In the equilibrium behavior, no significant difference was detected among the cytochromes c, whereas marked differences in the kinetic behavior were observed. According to the kinetic behavior of the isomerization, the cytochromes c examined fall into three classes: Group I (horse, sheep, dog and pigeon cytochromes c), Group II (tuna and bonito cytochromes c) and Group III (rhesus monkey cytochrome c). The kinetic results are interpreted in terms of the sequential scheme: Neutral form in equilibrium with fast Transient form in equilibrium with slow Alkaline form where the neutral and alkaline forms are the species stable at neutral and alkaline pH, respectively, and the transient form is a kinetic intermediate. From comparison of the primary sequences of the seven cytochromes c and the classification of these cytochromes c, it is concluded that the amino acid substitution Phe/Tyr at the 46-th position has a major influence on the kinetic behavior. In Group II and III cytochromes c, the ionization of Tyr-46 is suggested to bring about loosening of the heme crevice and thus facilitate the ligand replacement involved in the isomerization. |
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0006-3002 |
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PMID:6271238 |
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no |
Call Number |
refbase @ user @ |
Serial |
3871 |
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Author |
Straub, A. |
Title |
An intelligent crow beats a lab |
Type |
Journal Article |
Year |
2007 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
316 |
Issue |
5825 |
Pages |
688 |
Keywords |
Animals; *Behavior, Animal; *Cognition; *Crows; Dogs; Intelligence; Memory |
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1095-9203 |
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PMID:17478698 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4102 |
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Author |
Pennisi, E. |
Title |
Animal cognition. Man's best friend(s) reveal the possible roots of social intelligence |
Type |
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Year |
2006 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
312 |
Issue |
5781 |
Pages |
1737 |
Keywords |
Animals; *Cognition; Comprehension; Cooperative Behavior; Cues; Dogs/*psychology; *Evolution; *Intelligence; *Social Behavior |
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1095-9203 |
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PMID:16794056 |
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no |
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Equine Behaviour @ team @ |
Serial |
2835 |
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Author |
Bloom, P. |
Title |
Behavior. Can a dog learn a word? |
Type |
Journal Article |
Year |
2004 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
304 |
Issue |
5677 |
Pages |
1605-1606 |
Keywords |
Animals; Child; Child, Preschool; *Dogs; Humans; *Learning; *Memory; *Vocabulary |
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Address |
Department of Psychology, Yale University, Post Office Box 208205, New Haven, CT 06520-8205, USA. paul.bloom@yale.edu |
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1095-9203 |
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PMID:15192205 |
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Serial |
28 |
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Author |
Hare, B.; Brown, M.; Williamson, C.; Tomasello, M. |
Title |
The domestication of social cognition in dogs |
Type |
Journal Article |
Year |
2002 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
Volume |
298 |
Issue |
5598 |
Pages |
1634-1636 |
Keywords |
Animals; *Animals, Domestic; *Behavior, Animal; *Cognition; *Cues; *Dogs; Food; Humans; Memory; Pan troglodytes; *Social Behavior; Species Specificity; Vision; Wolves |
Abstract |
Dogs are more skillful than great apes at a number of tasks in which they must read human communicative signals indicating the location of hidden food. In this study, we found that wolves who were raised by humans do not show these same skills, whereas domestic dog puppies only a few weeks old, even those that have had little human contact, do show these skills. These findings suggest that during the process of domestication, dogs have been selected for a set of social-cognitive abilities that enable them to communicate with humans in unique ways. |
Address |
Department of Anthropology, Harvard University, Cambridge, MA 02138, USA. bhare@fas.harvard.edu |
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1095-9203 |
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PMID:12446914 |
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no |
Call Number |
refbase @ user @ |
Serial |
595 |
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Author |
Hendricks, J.C.; Morrison, A.R. |
Title |
Normal and abnormal sleep in mammals |
Type |
Journal Article |
Year |
1981 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
Volume |
178 |
Issue |
2 |
Pages |
121-126 |
Keywords |
Animals; Cat Diseases/physiopathology; Cats; Cattle; Dog Diseases/physiopathology; Dogs; Dreams; Horses/physiology; Humans; Narcolepsy/physiopathology/veterinary; Sleep/*physiology; Sleep Apnea Syndromes/physiopathology/veterinary; Sleep Disorders/physiopathology/*veterinary; Sleep, REM/physiology |
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ISSN |
0003-1488 |
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Notes |
PMID:7204232 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
101 |
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Author |
Burden, F.; Trawford, A. |
Title |
Equine interspecies aggression Comment on |
Type |
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Year |
2006 |
Publication |
The Veterinary record |
Abbreviated Journal |
Vet. Rec. |
Volume |
159 |
Issue |
25 |
Pages |
859-860 |
Keywords |
*Aggression; Animals; *Behavior, Animal; Cats; Dogs; Equidae |
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0042-4900 |
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PMID:17172484 |
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no |
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Serial |
1777 |
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Author |
Selby, L.A.; Marienfeld, C.J.; Pierce, J.O. |
Title |
The effects of trace elements on human and animal health |
Type |
Journal Article |
Year |
1970 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
Volume |
157 |
Issue |
11 |
Pages |
1800-1808 |
Keywords |
Anemia, Hypochromic/veterinary; Animal Nutrition Physiology; Animals; Artiodactyla/*physiology; Chemistry; Cobalt/analysis/metabolism; Copper/analysis/metabolism; Deficiency Diseases/veterinary; Dogs/*physiology; Ecology; Horses/*physiology; Humans; Iodine/analysis/metabolism; Iron/analysis/metabolism; Manganese/analysis/metabolism; Nutritional Requirements; Selenium/metabolism; Trace Elements/*metabolism; Zinc/analysis/metabolism |
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0003-1488 |
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Notes |
PMID:4922190 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2733 |
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Author |
Brauer, J.; Kaminski, J.; Riedel, J.; Call, J.; Tomasello, M. |
Title |
Making inferences about the location of hidden food: social dog, causal ape |
Type |
Journal Article |
Year |
2006 |
Publication |
Journal of comparative psychology |
Abbreviated Journal |
J Comp Psychol |
Volume |
120 |
Issue |
1 |
Pages |
38-47 |
Keywords |
Animals; Communication; Cues; Dogs; Exploratory Behavior; *Feeding Behavior; Female; *Food; Male; Pan paniscus; Pan troglodytes; *Visual Perception |
Abstract |
Domestic dogs (Canis familiaris) and great apes from the genus Pan were tested on a series of object choice tasks. In each task, the location of hidden food was indicated for subjects by some kind of communicative, behavioral, or physical cue. On the basis of differences in the ecologies of these 2 genera, as well as on previous research, the authors hypothesized that dogs should be especially skillful in using human communicative cues such as the pointing gesture, whereas apes should be especially skillful in using physical, causal cues such as food in a cup making noise when it is shaken. The overall pattern of performance by the 2 genera strongly supported this social-dog, causal-ape hypothesis. This result is discussed in terms of apes' adaptations for complex, extractive foraging and dogs' adaptations, during the domestication process, for cooperative communication with humans. |
Address |
Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany. jbraeuer@eva.mpg.de |
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Washington, D.C. : 1983 |
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0735-7036 |
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Notes |
PMID:16551163 |
Approved |
yes |
Call Number |
refbase @ user @ |
Serial |
597 |
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Author |
Schwab, C.; Huber, L. |
Title |
Obey or not obey? Dogs (Canis familiaris) behave differently in response to attentional states of their owners |
Type |
Journal Article |
Year |
2006 |
Publication |
Journal of Comparative Psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
Volume |
120 |
Issue |
3 |
Pages |
169-175 |
Keywords |
Animals; *Attention; Awareness; *Bonding, Human-Pet; *Cooperative Behavior; Cues; Dogs/*psychology; Humans; Motivation; *Nonverbal Communication; Social Perception; *Speech Perception; *Verbal Behavior |
Abstract |
Sixteen domestic dogs (Canis familiaris) were tested in a familiar context in a series of 1-min trials on how well they obeyed after being told by their owner to lie down. Food was used in 1/3 of all trials, and during the trial the owner engaged in 1 of 5 activities. The dogs behaved differently depending on the owner's attention to them. When being watched by the owner, the dogs stayed lying down most often and/or for the longest time compared with when the owner read a book, watched TV, turned his or her back on them, or left the room. These results indicate that the dogs sensed the attentional state of their owners by judging observable behavioral cues such as eye contact and eye, head, and body orientation. |
Address |
Department for Behavior, Neurobiology and Cognition, University of Vienna, Vienna, Austria. cpriberskyschwab@yahoo.de |
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0735-7036 |
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PMID:16893253 |
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Equine Behaviour @ team @ |
Serial |
4961 |
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