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Dsred rab11

Manufactured by Addgene

DsRed-Rab11 is a fluorescent protein fusion construct that combines the DsRed red fluorescent protein with the Rab11 protein. Rab11 is a small GTPase that regulates membrane trafficking and recycling processes within the cell. The DsRed-Rab11 fusion protein can be used to visualize the localization and dynamics of Rab11-positive vesicles and recycling endosomes in live cells.

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3 protocols using dsred rab11

1

CRISPR/Cas9 Editing of TRAC Gene

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The following expression plasmids were obtained from Addgene: tf-LC3, EGFP-LC3 (#11546), mRFP-LC3 (#21075), GFP-Rab5B (#61802), EGFP-Rab6A (#49469), GFP-Rab7 (#12605), dsRed-Rab7 (#12661), dsRed-Rab11 (12679), LAMP1-RFP (#1817), mCherry-LAMP1 (#45147), mCherry-Atg5 (#13095), mCherry-p62(#55132), EGFP-Vamp7 (#42316), pEGFP-N1, and plasmids for the Sleeping Beauty transposon system, pCMV(CAT)T7-SB100 (#34879) and pSBbiGP (#60511). Plasmids for CRISPR/Cas9-mediated editing of TRAC, including pAP368 (to express TRAC gRNA-1 and EGFP reporter gene), pAP369 (to express TRAC gRNA-2 and EGFP reporter gene), and pAP370 (to express SpCas9) were obtained from Dr. Charles Gersbach’s laboratory. sgRNAs targeting TRAC were purchased from IDT; the sgRNA sequences were: AGAGTCTCTCAGCTGGTACA (sgRNA-1) and TGTGCTAGACATGAGGTCTA (sgRNA-2). PCR primers used in sequencing TRAC were TTGCTGGGGTTTTGAAGAAG (forward) and GGTTTTGGTGGCAATGGATA (reverse).
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2

Live Cell Imaging of APOL1 and Rab Proteins

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Live cell imaging were performed as described previously48. Briefly, GFP-APOL1, or GFP-APOL1 D388, and mRFP-Rab7 (Addgene), or DsRed-Rab11 (Addgene) tagged proteins were coexpressed in Cos7 cells by electroporation (Gene Pulser II (Bio-Rad)). Transfected cells were seeded in glass-bottomed 35-mm dishes (no. 1.5 thickness; MatTek) and imaged 18 h later. Before imaging, medium was replaced with an imaging buffer (containing 136 mM NaCl, 2.5 mM KCl, 2 mM CaCl2, 1.3 mM MgCl2, and 10 mM HEPES [pH 7.4]). Cells were imaged using an Andor spinning confocal microscope with ×60 oil immersion objectives.
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3

Generating Fluorescent-Tagged RAB Proteins

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Vectors expressing tagged-RAB proteins were purchased from Addgene: RFP-RAB4 (79,800; deposited by J.D. Johnson); DsRed-RAB11 (12,679; deposited by R. Pagano); mCherry-RAB7 (61,804; deposited by G. Voeltz); mCherry-RAB5 (49,201; deposited by G. Voeltz); DsRed-RAB9 (12,677; deposited by R. Pagano); mCherry-hLC3B-pcDNA3.1 (40,827; deposited by D. Rubinszstein). The following vectors were kindly provided by colleagues: EGFP-WIPI1 (pAR31CD vector) and EGFP-WIPI1[FAAG] (Tassula Proikas-Cezanne, Tübingen, Germany); pEGFP-FYVE2 (Harald Stenmark, Department of Molecular Cell Biology, Institute for Cancer Research, Oslo, Norway); mCherry-ML1N2 (Haoxing Xu, University of Michigan, Ann Arbor, USA).
To generate mCherry-WIPI1, mCherry and WIPI1 fragments were amplified from pFA6a-mCherry-V5-KanMX6 (from Fulvio Reggiori, University Medical Center Groningen, Netherlands) and EGFP-WIPI1 plasmid, respectively, by using the primers listed in Table S1. Then, the two fragments were fused by using overlap extension-PCR and cloned into the pAR31CD vector between Age1 and EcoR1 restriction sites.
To obtain EGFP-WIPI1[15Gly-CVVM] a sequence with 15 glycine and a CVVM motif were added to EGFP-WIPI1 plasmid by PCR using the primers listed in Table S1. The product was sub cloned into the pAR31CD-WIPI1 vector between Xmn1 and EcoR1 restriction sites.
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