Search Results - "Bush, G. L."

An Evolutionary and Applied Perspective of Insect Biotypes by Diehl, S R, Bush, G L

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Genetic differentiation between sympatric host races of the apple maggot fly Rhagoletis pomonella by Feder, J.L, Chilcote, C.A, Bush, G.L

“…It has been proposed that true fruit flies in the Rhagoletis pomonella species group speciate sympatrically (that is, in the absence of geographic isolation)…”
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Speciation in fig pollinators and parasites by Weiblen, George D., Bush, Guy L.

“…Here we draw on phylogenies of figs and fig wasps to suggest how modes of speciation may be affected by interspecific interactions. Mutualists appear to have…”
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BEHAVIOR RECORDER: software to record and analyze behavioral data using SAS and SYSTAT statistical software by Bierbaum, T.J, Case, M.A, Weston, P.A, Bush, G.L, Pham, T

“…This paper describes BEHAVIOR RECORDER, a BASIC computer program that records behavioral data when an observer presses keys on the keyboard of a portable or…”
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Differential regulation of neuropeptide Y systems in limbic structures of the rat by Midgley, L P, Bush, L G, Gibb, J W, Hanson, G R

“…Neuropeptide Y-like immunoreactivity (NPYLI) in the frontal cortex and nucleus accumbens was significantly decreased after acute and multiple administrations…”
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Endogenous neurotensin antagonizes methamphetamine-enhanced dopaminergic activity by Wagstaff, J D, Bush, L G, Gibb, J W, Hanson, G R

“…Neurotensin (NT) has been proposed to be an endogenous neuroleptic based on observations that i.c.v. administration of this peptide antagonizes…”
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The population genetics of the apple maggot fly, Rhagoletis pomonella and the snowberry maggot, R. zephyria: implications for models of sympatric speciation by Feder, J.L. (Notre Dame Univ., Notre Dame, IN (USA). Dept. of Biological Sciences), Williams, S.M, Berlocher, S.H, McPheron, B.A, Bush, G.L

“…True fruit flies belonging to the Rhagoletis pomonella (Diptera:Tephritidae) sibling species complex possess several attributes consistent with a history of…”
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Rapid Speciation and Chromosomal Evolution in Mammals by Bush, G. L., Case, S. M., Wilson, A. C., Patton, J. L.

“…To test the hypothesis that population subdivision into small demes promotes both rapid speciation and evolutionary changes in gene arrangement by inbreeding…”
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Secretion in yeast: Purification and in vitro translocation of chemical amounts of prepro-alpha-factor by Bush, G.L. (University of California, Los Angeles, CA), Tassin, A.M, Friden, H, Meyer, D.I

“…The Saccharomyces cerevisiae mating pheromone precursor, prepro-alpha-factor, can be translocated across yeast endoplasmic reticulum membranes…”
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Neurotensin-dopamine interactions in the substantia nigra of the rat brain by Merchant, K M, Bush, L G, Gibb, J W, Hanson, G R

“…Single or multiple doses of the potent dopamine releaser, methamphetamine (METH), increases the content of neurotensin (NT)-like immunoreactivity (NTLI) in the…”
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Phylogeny of the genus Rhagoletis (Diptera: Tephritidae) inferred from DNA sequences of mitochondrial cytochrome oxidase II by Smith, J J, Bush, G L

“…Despite a considerable literature describing the biology of flies in the tephritid genus Rhagoletis, the phylogenetic relationships of the more than 60 species…”
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Gene frequency clines for host races of Rhagoletis pomonella in the midwestern United States by Feder, J.L, Bush, G.L

“…The recent shift of the apple maggot fly, Rhagoletis pomonella (Diptera: Tephritidae) from its native host plant hawthorn (Crataegus spp.) to introduced,…”
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Dynamic dopaminergic regulation of neuropeptide Y systems in discrete striatal and accumbens regions by Midgley, L P, Wagstaff, J D, Singh, N A, Bush, L G, Gibb, J W, Hanson, G R

“…In this study we evaluated the effects of multiple administrations of selective dopamine D1 and D2 receptor agonists and antagonists on striatal, nigral,…”
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Characterization of phencyclidine-induced effects on neuropeptide Y systems in the rat caudate-putamen by Midgley, L P, Bush, L G, Gibb, J W, Hanson, G R

“…Multiple administrations of the psychotomimetic drug, phencyclidine-HCI (PCP), decreased striatal neuropeptide Y-like immunoreactivity (NPY-LI) levels in a…”
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Regional, local and microgeographic allele frequency variation between apple and hawthorn populations of Rhagoletis pomonella in western Michigan by Feder, J.L. (Princeton University, Princeton, NJ), Chilcote, C.A, Bush, G.L

“…In the preceding study (Feder et al., 1990), we report that paired apple and hawthorn infesting populations of Rhagoletis pomonella are genetically…”
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Social Structuring of Mammalian Populations and Rate of Chromosomal Evolution by Wilson, A. C., Bush, G. L., Case, S. M., M.-C. King

“…To test the hypothesis that the evolution of organisms is dependent to a large degree on gene rearrangement, we devised a way of estimating rates of…”
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N-Methyl-D-aspartate receptors mediate dopamine-induced changes in extrapyramidal and limbic dynorphin systems by Singh, N A, Midgley, L P, Bush, L G, Gibb, J W, Hanson, G R

“…The N-methyl-D-aspartate (NMDA)-type glutamate receptor was shown to mediate dopamine-induced dynorphin A (Dyn) changes in extrapyramidal and limbic…”
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Dopamine D2 receptors exert tonic regulation over discrete neurotensin systems of the rat brain by Merchant, K M, Bush, L G, Gibb, J W, Hanson, G R

“…Blockade of dopamine D2 receptors with either the selective antagonist, sulpiride, or the non-selective antagonist, haloperidol, induces 2- to 3-fold increases…”
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Response of extrapyramidal and limbic neurotensin systems to phencyclidine treatment by Hanson, Glen R., Midgley, Leonora P., Bush, Lloyd G., Gibb, James W.

“…Although phencyclidine (PCP) has several neurochemical effects, the most pharmacologically relevant are thought to be its ability to antagonize the activity of…”
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Dopamine-mediated changes in central nervous system neurotensin systems: a role for NMDA receptors by Singh, N A, Bush, L G, Gibb, J W, Hanson, G R

“…A role for N-methyl-D-aspartate (NMDA)-type glutamate receptors in mediating the dopaminergic regulation of neurotensin (NT) systems was observed in…”
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