5,326 research outputs found
Microsatellite markers for behavioural studies in a semi-fossorial shrew (Soricidae: Anourosorex squamipes).
No full textPopulation differentiation and gene flow revealed by microsatellite DNA markers in the house mouse (Mus musculus castaneus) in Taiwan.
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Age, reproduction, and demography of the spiny rat (Niviventer coxingi; Muridae) in subtropical central Taiwan.
No full textGenetic variation of microsatellite loci in the major histocompatability complex (MHC) region in the Southeast Asian house mouse (Mus musculus castaneus).
No full textIsolation and characterization of polymorphic microsatellite loci for parentage analysis in a rhacophorid tree frog (Chirixalus eiffingeri) with unusual parental care.
No full text5-ht inhibition of rat insulin 2 promoter cre recombinase transgene and proopiomelanocortin neuron excitability in the mouse arcuate nucleus
Full text linkA number of anti-obesity agents have been developed that enhance hypothalamic 5-HT transmission. Various studies have demonstrated that arcuate neurons, which express proopiomelanocortin peptides (POMC neurons), and neuropeptide Y with agouti-related protein (NPY/AgRP) neurons, are components of the hypothalamic circuits responsible for energy homeostasis. An additional arcuate neuron population, rat insulin 2 promoter Cre recombinase transgene (RIPCre) neurons, has recently been implicated in hypothalamic melanocortin circuits involved in energy balance. It is currently unclear how 5-HT modifies neuron excitability in these local arcuate neuronal circuits. We show that 5-HT alters the excitability of the majority of mouse arcuate RIPCre neurons, by either hyperpolarization and inhibition or depolarization and excitation. RIPCre neurons sensitive to 5-HT, predominantly exhibit hyperpolarization and pharmacological studies indicate that inhibition of neuronal firing is likely to be through 5-HT1F receptors increasing current through a voltage-dependent potassium conductance. Indeed, 5-HT1F receptor immunoreactivity co-localizes with RIPCre green fluorescent protein expression. A minority population of POMC neurons also respond to 5-HT by hyperpolarization, and this appears to be mediated by the same receptor-channel mechanism. As neither POMC nor RIPCre neuronal populations display a common electrical response to 5-HT, this may indicate that sub-divisions of POMC and RIPCre neurons exist, perhaps serving different outputs. (C) 2009 IBRO. Published by Elsevier Ltd. All rights reserved.</p
Population ecology of the southeastern Asian house mouse (Musmusculus castaneus) inhabiting rice granaries in Taiwan.
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The ecology of parental care in an arboreal breeding frog, Chirixalus eiffingeri (Anura: Rhacophoridae) from Taiwan.
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