WordNet
- brownish New World mouse; most widely distributed member of the genus (同)Peromyscus_maniculatus
- American woodland mouse with white feet and underparts (同)vesper mouse, Peromyscus_leucopus
- New World wood mice (同)genus Peromyscus
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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/09/10 14:56:16」(JST)
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- 1. ライム病の疫学 epidemiology of lyme disease
- 2. バベシア症の疫学および病因 epidemiology and pathogenesis of babesiosis
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English Journal
- Effects of kappa opioid receptors on conditioned place aversion and social interaction in males and females.
- Robles CF1, McMackin MZ2, Campi KL3, Doig IE4, Takahashi EY4, Pride MC4, Trainor BC5.Author information 1Department of Psychology, University of California, Davis, CA 95616, USA; Department of Psychology, Michigan State University, East Lansing, MI, ZIP, USA.2Molecular, Cellular, and Integrative Physiology Graduate Group, University of California, Davis, CA 95616, USA.3Department of Psychology, University of California, Davis, CA 95616, USA; Center for Neuroscience, University of California, Davis, CA 95616, USA.4Department of Psychology, University of California, Davis, CA 95616, USA.5Department of Psychology, University of California, Davis, CA 95616, USA; Molecular, Cellular, and Integrative Physiology Graduate Group, University of California, Davis, CA 95616, USA; Center for Neuroscience, University of California, Davis, CA 95616, USA. Electronic address: bctrainor@ucdavis.edu.AbstractThe effects of kappa opioid receptors (KOR) on motivated behavior are well established based on studies in male rodents, but relatively little is known about the effects of KOR in females. We examined the effects of KOR activation on conditioned place aversion and social interaction in the California mouse (Peromyscus californicus). Important differences were observed in long-term (place aversion) and short-term (social interaction) effects. Females but not males treated with a 2.5mg/kg dose of U50,488 formed a place aversion, whereas males but not females formed a place aversion at the 10mg/kg dose. In contrast the short term effects of different doses of U50,488 on social interaction behavior were similar in males and females. Acute injection with 10mg/kg of U50,488 (but not lower doses) reduced social interaction behavior in both males and females. The effects of U50,488 on phosphorylated extracellular signal regulated kinase (pERK) and p38 MAP kinase were cell type and region specific. Higher doses of U50,488 increased the number of pERK neurons in the ventrolateral bed nucleus of the stria terminals in males but not females, a nucleus implicated in male aggressive behavior. In contrast, both males and females treated with U50,488 had more activated p38 cells in the nucleus accumbens shell. Unexpectedly, cells expressing activated p38 co-expressed Iba-1, a widely used microglia marker. In summary we found strong sex differences in the effects of U50,488 on place aversion whereas the acute effects on U50,488 induced similar behavioral effects in males and females.
- Behavioural brain research.Behav Brain Res.2014 Apr 1;262:84-93. doi: 10.1016/j.bbr.2014.01.003. Epub 2014 Jan 18.
- The effects of kappa opioid receptors (KOR) on motivated behavior are well established based on studies in male rodents, but relatively little is known about the effects of KOR in females. We examined the effects of KOR activation on conditioned place aversion and social interaction in the Californi
- PMID 24445073
- Heritable variation in reaction norms of metabolism and activity across temperatures in a wild-derived population of white-footed mice (Peromyscus leucopus).
- Kaseloo PA1, Crowell MG, Heideman PD.Author information 1Department of Biology, Virginia State University, P.O. Box 9064, Petersburg, VA, 23806, USA, pkaseloo@vsu.edu.AbstractHeritable variation in metabolic traits is likely to affect fitness. In this study, white-footed mice from wild-derived photoresponsive [R, infertile in short day length (SD)] and non-photoresponsive (NR, fertile in SD) selection lines were maintained under short-day (SD 8Light:16Dark), sub-thermoneutral conditions (22 or 12 °C). Mice had significantly higher levels of food intake and resting metabolic rates (RMR) at low temperature. RMR differed significantly between lines (greater in NR mice). In contrast to previous work under thermoneutral conditions, there was no significant difference in overall activity or average daily metabolic rates (ADMR) of mice from the two lines. Reduced activity may reflect behavioral changes under cooler conditions (e.g., nest building) reducing the overall energetic cost of fertility (for NR mice). There was no significant difference in maximal rate of oxygen consumption ([Formula: see text]) between lines. R mice had significantly greater brown adipose tissue and white abdominal fat mass due to both line and temperature. Reaction norms for intake, resting metabolism (RMR/BMR) and level of activity from current (12 and 22 °C) and previously published data (28 °C) demonstrate independent effects of genetics (line) and environment (temperature) for resting metabolism, but a clear interaction between these for activity. The results suggest that fertility under winter conditions imposes metabolic costs that are related to the level of reproductive development. Under the coldest conditions tested, however, mice that remained fertile in SD reduced activity, ADMR and food requirements, decreasing the differential between selection lines. Heritable variation in reaction norms suggests a genetic by environment effect that could be subject to selection.
- Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology.J Comp Physiol B.2014 Feb 19. [Epub ahead of print]
- Heritable variation in metabolic traits is likely to affect fitness. In this study, white-footed mice from wild-derived photoresponsive [R, infertile in short day length (SD)] and non-photoresponsive (NR, fertile in SD) selection lines were maintained under short-day (SD 8Light:16Dark), sub-thermone
- PMID 24549715
- The effects of exogenous melatonin and melatonin receptor blockade on aggression and estrogen-dependent gene expression in male California mice (Peromyscus californicus).
- Laredo SA1, Orr VN2, McMackin MZ3, Trainor BC4.Author information 1Department of Psychology and Center for Neuroscience, University of California Davis, 1 Shields Ave, Davis, CA 95616, USA; Animal Behavior Graduate Group, University of California Davis, 1 Shields Ave, Davis, CA 95616, USA. Electronic address: salaredo@ucdavis.edu.2Department of Psychology and Center for Neuroscience, University of California Davis, 1 Shields Ave, Davis, CA 95616, USA.3Department of Psychology and Center for Neuroscience, University of California Davis, 1 Shields Ave, Davis, CA 95616, USA; Molecular, Cellular and Integrative Physiology Graduate Group, University of California Davis, 1 Shields Ave, Davis, CA 95616, USA.4Department of Psychology and Center for Neuroscience, University of California Davis, 1 Shields Ave, Davis, CA 95616, USA; Animal Behavior Graduate Group, University of California Davis, 1 Shields Ave, Davis, CA 95616, USA; Molecular, Cellular and Integrative Physiology Graduate Group, University of California Davis, 1 Shields Ave, Davis, CA 95616, USA.AbstractPhotoperiodic regulation of aggression has been well established in several vertebrate species, with rodents demonstrating increased aggression in short day photoperiods as compared to long day photoperiods. Previous work suggests that estrogens regulate aggression via rapid nongenomic pathways in short days and act more slowly in long days, most likely via genomic pathways. The current study therefore examines the role of melatonin in mediating aggression and estrogen-dependent gene transcription. In Experiment 1, male California mice were housed under long day photoperiods and were treated with either 0.3 μg/g of melatonin, 40mg/kg of the melatonin receptor antagonist luzindole, or vehicle for 10days. We found that melatonin administration significantly increased aggression as compared to mice receiving vehicle, but this phenotype was not completely ameliorated by luzindole. In Experiment 2, male California mice were injected with either 1mg/kg of the aromatase inhibitor letrozole or vehicle, and oxytocin receptor (OTR), estrogen receptor alpha (ERα), and c-fos gene expression was examined in the bed nucleus of the stria terminalis (BNST) and medial preoptic area (MPOA). In the BNST, but not MPOA, OTR mRNA was significantly downregulated following letrozole administration, indicating that OTR is an estrogen-dependent gene in the BNST. In contrast, ERα was not estrogen dependent in either brain region. In the MPOA, OTR mRNA was inhibited by melatonin, and luzindole suppressed this effect. C-fos and ERα did not differ between treatments in any brain region examined. These results suggest that it is unlikely that melatonin facilitates aggression via broad spectrum regulation of estrogen-dependent gene expression. Instead, melatonin may act via regulation of other transcription factors such as extracellular signal regulated kinase.
- Physiology & behavior.Physiol Behav.2014 Feb 8;128C:86-91. doi: 10.1016/j.physbeh.2014.01.039. [Epub ahead of print]
- Photoperiodic regulation of aggression has been well established in several vertebrate species, with rodents demonstrating increased aggression in short day photoperiods as compared to long day photoperiods. Previous work suggests that estrogens regulate aggression via rapid nongenomic pathways in s
- PMID 24518867
Japanese Journal
- Elevational gradient in the cyclicity of a forest-defoliating insect
- HAYNES Kyle J.,LIEBHOLD Andrew M.,JOHNSON Derek M.
- Population ecology 54(2), 239-250, 2012-04-01
- NAID 10030515226
- Comparative population dynamics of Peromyscus leucopus in North America : influences of climate, food, and density dependence
- WANG Guiming,WOLFF Jerry O.,VESSEY Stephen H.,SLADE Norman A.,WITHAM Jack W.,MERRITT Joseph F.,HUNTER Malcolm L. Jr,ELIAS Susan P.
- Population ecology 51(1), 133-142, 2009-01-01
- NAID 10023984826
- Effects of alternative prey on predation by small mammals on gypsy moth pupae
- ELKINTON Joseph S.,LIEBHOLD Andrew M.,MUZIKA Rose-Marie
- Population ecology 46(2), 171-178, 2004-08-01
- NAID 10013526477
Related Links
- Read about Peromyscus leucopus (white-footed mouse) on the Animal Diversity Web. ... References Sevilleta Long-Term Ecological Research Project. 1995. http://sevilleta.unm.edu/animal/mammal/white-footed_mouse.html Collier ...
- Home > Peromyscus leucopus (White-footed Mouse) Peromyscus leucopus Summary Classification Schemes Images & External Links Bibliography Full Account Taxonomy Assessment Information Geographic Range Population ...
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| リンク元 | 「シロアシネズミ」「deer mice」「white-footed mice」「シロアシマウス」 |
| 関連記事 | 「Peromyscus」 |
「シロアシネズミ」
「deer mice」
「white-footed mice」
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「Peromyscus」
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