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Synaptic plasticity induced by cocaine and other drugs underlies addiction. Here we elucidate molecular events at synapses that cause this plasticity and the resulting behavioral response to cocaine in mice. In response to D1-dopamine-receptor signaling that is induced by drug administration, the glutamate-receptor protein metabotropic glutamate receptor 5 (mGluR5) is phosphorylated by microtubule-associated...
We established a laboratory colony of Culex pipiens mosquitoes from eggs collected in Colorado and discovered that mosquitoes in the colony are naturally infected with Culex flavivirus (CxFV), an insect-specific flavivirus. In this study we examined transmission dynamics of CxFV and effects of persistent CxFV infection on vector competence for West Nile virus (WNV). We found that vertical transmission...
Adult mosquitoes were previously collected and tested for West Nile virus during an intense WNV outbreak in 2003–2004 along the Cache la Poudre River in Colorado, USA. A subset of these mosquitoes was also tested for infection with trypanosomatids using nested PCR to amplify 18S rRNA. Of the 69 pools of Culex pipiens that were screened for both pathogens, 4.3% were positive for WNV and 11.6% tested...
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