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Aav5 ef1a dio eyfp

Manufactured by Addgene

AAV5-EF1a-DIO-EYFP is an adeno-associated virus (AAV) vector that expresses the enhanced yellow fluorescent protein (EYFP) gene under the control of the EF1α promoter. The DIO (double-floxed inverted open reading frame) configuration allows for Cre-dependent expression of the EYFP reporter.

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6 protocols using aav5 ef1a dio eyfp

1

Viral Vector Toolbox Protocols

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The following AAV vectors (with a titer of >1012) were purchased from the vector core at the University of North Carolina at Chapel Hill (UNC Vector Core): AAV5-EF1a-DIO-hChR2(H134R)-EYFP, AAV5-EF1a-DIO-EYFP, and AAV-DJ-EF1aDIOGCaMP6m. The following AAV vectors were from Addgene: AAV5-hSyn-DIO-hM3D(Gq)-mCherry (no. 44361), AAV5-hSyn-DIO-hM4D(Gi)-mCherry (no. 44362), and AAV5-hSyn-DIO-mCherry (no. 50459).
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2

Cre-dependent Optogenetic Inhibition

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A Cre-dependent inhibitory optogenetic construct halorhodopsin (eNpHR, AAV5-Ef1a-DIO eNpHR 3.0-EYFP at titer ≥ 1×1013 vg/mL, Addgene plasmid # 26966) or an empty vector (control, AAV5- Ef1a-DIO EYFP at titer ≥ 1×1013 vg/mL, Addgene plasmid # 27056) were utilized. Both plasmids were obtained from Addgene as gifts from Dr. Karl Deisseroth.
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3

Targeted AAV Transduction of Mouse Striatum

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SOM- cre mice were anesthetized with isoflurane and placed in a stereotaxic frame (Harvard Apparatus, Holliston, MA). A Quintessential Stereotaxic Injector (Stoelting, Wood Dale, IL) was used to inject 0.5 µl of AAV5-EF1a-DIO-EYFP (#27056, Addgene) into the striatum (+0.5 AP, 2 ML, 2.5 DV) at a speed of 0.1 µl/min. The pipette was held in place for at least 5 min after the injection. Following the surgery, the mice were given analgesics (buprenorphine, 0.08 mg/kg, i.p.).
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4

Viral Transduction for Neurobehavioral Studies

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For immunostaining of LC fibers in the CB, 230 nl of AAV5-synP-DIO-eGFP-WPRE-hGH (Addgene,1*10^13 vg/ml) was injected into the LC of TH-Cre mice. For fiber photometry experiments targeting the CB vermis, 230 nl of AAV9-hSyn-GRAB_NE1m (Addgene,1 × 1013 vg/ml) was unilaterally injected in C57BL/6J mice. For optogenetic and chemogenetic experiments, 230 nl of AAV5-EF1a-DIO-eArch3.0-eYFP (Addgene,1 × 1013 vg/ml) and AAV5-hSyn-DIO-hM4D(Gi)-mCherry (Addgene,1 × 1013 vg/ml) were injected into the LC of TH-Cre mice, respectively; AAV5-EF1a-DIO-eYFP (230 nl, Addgene,1 × 1013 vg/ml) was injected into the LC of TH-cre mice used as controls.
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5

Viral Tracing and Manipulation in Neuroscience

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All viral vectors used in these studies have been extensively used in neuroscience. For anterograde tracing, AAV9-CAG-FLEX-GFP (Addgene, 51502) and AAV5-DIO-Synaptophysin-venus-GFP (Addgene, generated from plasmid 137188) were used. For monosynaptic rabies input circuit tracing, AAV5-Ef1A-DIO-GTB (Addgene, 27056), AAV5-Ef1A-DIO-TVA-mCherry (Addgene, generated from plasmid 37084) and EnvA-SAD-Rb-ΔG-GFP (32635, Salk Institute) were used. For chemogenetic studies, AAV5-EF1a-DIO-hM3Dq-mCherry (Addgene, 44631), AAV5-EF1a-DIO-hM4Di-mCherry (Addgene, 44632) or AAV5-EF1a-DIO-mCherry (Addgene, generated from plasmid 50462) were used. For optogenetic activation studies, AAV5-EF1a-DIO-hChR2(H134R)-EYFP (Addgene, 20298) or AAV5-EF1a-DIO-EYFP (Addgene, 27056) were used.
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6

Diverse Viral Vectors for Optogenetics

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The following AAV vectors (with a titer of >1012) were purchased from UNC Vector Core: AAV5-EF1a-DIO-hChR2(H134R)-EYFP, AAV5-EF1a-DIO-EYFP, AAV-DJ-EF1a-DIO-GCaMP6m. The following AAV vectors were purchased from Addgene: AAV5-hSyn-DIO-hM3D(Gq)-mCherry (#44361), AAV5-hSyn-DIO-hM4D(Gi)-mCherry (#44362), AAV5-hSyn-DIO-mCherry (#50459), pAAV-flex-taCasp3-TEVp (#45580), pAAV-Ef1α-DIO eNpHR 3.0-EYFP (#26966), EnvA G-deleted Rabies-EGFP (Salk Institute).
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