Supplementary information RNA imaging in living cells – methods and applications Martyna O. Urbanek, Paulina Galka-Marciniak, Marta Olejniczak and Wlodzimierz J. Krzyzosiak* Department of Molecular Biomedicine, Institute of Bioorganic Chemistry, Polish Academy of Sciences, ul. Noskowskiego 12/14, 61-704 Poznan, Poland *e-mail: wlodkrzy@ibch.poznan.pl List of supplementary information: Supplementary Table 1 Characteristics of elements from which RNA-protein and RNA-dye systems are composed. Supplementary Table 2 Applications of live visualization systems separated according to cell line origin. 1 MS2 hairpin sequence λN22 BglG PP7 U1Ap HTLV-1 Rev TAT-TAR REV-RRE ACAUGAGGAUUA GCCCTGAAAAAG GGAUUGUUACUG UAAGGAGUUUAU GTGCTAGGTTAGA UAGGCGACGGUA GGCCAGAUCUGA GGUGGGCGCAGC CCCAUGU GGC CAUUCGCAGGCA AUGGAAACCCUU AAAGTCCGGAGT CGCAAGUACUCU GCCUGGGGAGCU UUCGGCUGACGG AAACC A GCAATGGACTGCT UGCGCCGGCCUA CUCUGGCC UACACC GGTCGACTCTAGA AAAGTCCGGAGT GCAATGGACTG hairpin structure peptide sequence or chemical structure comment reference MASNFTQFVLVDN MDAQTRRRERRAE MNMQITKILNNNV MSKTIVLSVGEAT MAVPETRPNHTIYI MPKTRRRPRRSQR ? GGTGDVTVAPSNF KQAQWKAAN VVVIDDQQREKVV RTLTEIQSTADRQI NNLNEKIKKDELK KRP ANGIAEWISSNSRS MGRGIGFQKRAGE FEEKVGPLVGRLR KSLYAIFSQFGQIL QAYKVTCSVRQSS RINSSGIEKEYALS LTASLRQNGAKTA DILVSRSLKMRGQ AQNRKYTIKVEVP SHELN YRVNLKLDQADV AFVIFKEVSSATNA KGAWRSYLNMEL VDCSTSVCGELPK LRSMQGFPFYDKP TIPIFATNSDCELIV VRYTQVWSHDVTI MRIQYAKTDSDII KAMQGLLKDGNPI VANSTEASRKSLY PSAIAANSGIY DLTKSLVATSQVE DLVVNLVPLGR C terminus linker Four peptides spaced Sequence introduced (AD/GCGGATCC) by 21 amino acid to transcript with two linkers; four hairpins hairpins spaced by four nucleotides [1] [2] [5] /NCBI Database [3]/NCBI Database [4] /NCBI Database [6] [7] ? - [7] Supplementary Table 1 (Part 1) Characteristics of elements from which RNA-protein and RNA-dye systems are composed. Folding was performed with sfold [8] or mfold [9] software. The information are not always obtained from original inventory paper, because of lack of specific sequences provided in them. 2 eiF4A hairpin sequence Spinach Spinach2 Malachite Green SRB-2 ACACUCGGAGGACAGCUU GACGCAACUGAAUGAAAUGGUGA GAUGUAACUGAAUGAAAUGG GGAUCCCGACUGGCG GGAACCUCGCUUCGGCGAUGAU AGAUGCAAAGCCGGAGUG AGGACGGGUCCAGGUGUGGCUGC UGAAGGACGGGUCCAGUAGGC AGAGCCAGGUAACGA GGAGAGGCGCAAGGUUAACCGC AGUGUACACCCCGCGCCAG UUCGGCAGUGCAGCUUGUUGAGU UGCUUCGGCAGCCUACUUGUU AUGGAUCC CUCAGGUUCC GGGAA AGAGUGUGAGCUCCGUAACUAGU GAGUAGAGUGUGAGCUCCGU CGCGUC AACUAGUUACAUC hairpin structure peptide ?* sequence or chemical structure + N O N O O - S O O S O NH O - + N O O O comment reference [10] [11] Stabilized by the tRNA sequence [12] [13] Supplementary Table 1 (Part 2) * Primers used for the amplification of gene fragments are available within [10]. 3 O + N O - NH Stabilized by the tRNA sequence [14] system organism/ cell line research purpose RNA VIRUSES MS2 Arabidopsis Whole-plant virus spread TCV MS2 Fly-E, 3T3, HEK 293 Transport and export of MLV RNA MLV MS2 MS2 Fly-E, 3T3, HT1080 Yeast Endosomal transport of Ψ (MLV) MLV (structural signal) Role of p33 and p92 in D-72 (CNV) CNV replication MS2 Yeast Site of DI RNA replication MS2 U2OS HIV-1 transcription cycle MS2 U2OS DI-3 (CymRSV) HIV-1, non-coding RNA U3 HIV-1 transcription site HIV-1 localization 4 hairpin(hp) location and number fluorescent protein additional techniques reference in the 3'UTR (5bp downstream of the stop codon), 1hp between the puromycin gene and the 3'LTR, 24hp in the 3'UTR, 24hp GFP - [15] GFP, YFP - [16] YFP, GFP - [17] BamHI site in pYC/DI-72bam, 6hp between blocks II and III of DI-3 RNA, 6hp in the positive and negative orientation in the 3'UTR, 24hp (HIV-1), 1hp (U3, in apical loop) between ClaI and XhoI sites, 24hp GFP, YFP - [18] GFP - [19] GFP, mCherry FRAP [20] YFP, Cherry FRAP [21] MS2 Yeast BMV and cytoplasmic bodies interactions RNA2, RNA3 (BMV) MS2 N. benthamiana MS2 BHK, HOS Function of TMV MP MP (TMV), in RNA transport mRFP Spatial flavivirus TBEV replication organization MS2 HeLa MS2 HeLa MS2 Drosophila MS2, BglG MS2, BglG HIV-1 and Gag interaction HIV-1 co-localization with Ago2 and RCK/p54 (miRNA influence on HIV-1) Sequence-dependent recruitment of FHV to the mitochondrial site of replication HIV-1 HEK 293 Different transport of virions, co-packaging HIV-1 HEK 293 Packaging efficiency of HIV-1 HIV-1, application of two systems HIV-1 FHV 5 in the 3'UTR or second ORF (coat protein), 2hp, 6hp, 24hp downstream of the ORF, 12hp in the 3'NCR, 12hp, 24hp, 24hp in opposite direction 3'end of the gag gene, 24hp data not available, 24hp GFP - [22] GFP - [23] EYFP - [24] GFP - [25] GFP - [26] in the RNA1, downstream of the RNA1 region 1 or upstream of RNA1 regions 4 and 5, 6hp upstream of the pol gene, 24hp (MS2), 18hp (BglG) upstream of the pol gene, 24hp (MS2), 18hp (BglG) EGFP - [27] mCherry, YFP - [28] mCherry, YFP - [5] MS2 HeLa Interaction between vRNA, Gag and Staufen Co-imaging of HIV-1 and FIV with gag proteins HIV-1, β-Actin in proximity to psi domain, 1hp Venus TriFC [29] MS2 HeLa, COS-7, HEK 293 HIV-1, FIV YFP, GFP, mCherry - [30] HEK 293 HIV-1 and HIV-2 copackaging HIV-1, HIV-2 mCherry, YFP - [31] MS2, BglG HEK 293 HIV-2 mCherry, YFP - [32] MS2 N. benthamiana GFP - [33] MS2 U2OS Cherry, EYFP - [34] MS2 BHK TBEV data not available, 24hp EYFP, mCherry FRAP, FLIP [35] MS2 N. benthamiana cis packaging, localization of vRNA dimerization Nuclear localization of Q-satRNA Proteins co-localization with unspliced virus and release of HIV-1 from transcription site Virus mobility and association with membranes Localization of BaMV in chloroplasts between the encapsidation signal and RRE in HIV, AvrII site of pCT26 in FIV, 24hp upstream of the pol gene, 24hp (MS2), 18hp (BglG) upstream of the pol gene, 24hp (MS2), 18hp (BglG) data not available, 1hp data not available, 24hp MS2, BglG BaMV downstream of the stop codon of ORF1, 8hp GFP - [36] Q-satRNA, CMV RNA5 HIV-1 6 MS2 U2OS MS2 N.bethamiana MS2 HeLa MS2 E. coli MS2 E. coli eiF4A E. coli MS2 C. crescentus HTLV-1, λN22 MS2 E. coli MS2 E. coli E. coli Assembly of HIV-1 complexes BRP1 role in nuclear importation of Q-satRNA HERC5 role in nuclear export of viral RNA RNA dynamics in single bacterial cell Evaluation of MS2 system in Bacteria, transcriptional bursts eiF4A system evaluation, RNA visualization in Bacteria MS2 and FISH comparison HTLV-1 system evaluation Translationindependent mRNA localization Dynamics of transcription under the lar promoter HIV-1 mCherry, GFP GFP FRAP [37] - [38] upstream of the pol gene, 24hp (MS2) BACTERIA LacZ downstream of the LacZα, 96hp RFP1 downstream of the gene, 96hp GFP - [39] EGFP - [40] GFP - [41] T7, 5S, LacZ at the 3'end of the gene, 2hp EGFP BiFC [10] mCherry downstream of the ORF, 48hp 1hp (HTLV-1), 1hp (λN22) various localizations, 6hp GFP - [42] EGFP BiFC [6] GFP protein product visualization [43] downstream of the ORF, 96hp GFP - [44] Q-satRNA data not available, 24hp data not available, 1hp HIV-1 data not available cat, lacY, BglF, BglG, BglB RFP1 7 MS2, PP7 E. coli MS2 E. coli MS2 E. coli Spinach E. coli MS2 E. coli MS2 E. coli MS2 E. coli MS2 E. coli MS2 E. coli Spinach E. coli MS2 E. coli BiFC evaluation of the MS2-PP7 scaffold Visualization of transcriptional bursting in E. coli Transcriptional activity of the promoter Spinach evaluation scaffold Localization and number of mRNA molecules Inducers of lar promoter Disposal of non-native protein aggregates Dynamics of transcription under the tetA promoter Time-lapse microscopy improvement Spinach system evaluation RFP1 Activity of the arabinose promoter RFP1 RFP1 RFP1 5S RNA RFP1 RFP1 RFP1 RFP1 RFP1 8 1hp (MS2), 1hp (PP7) downstream of the gene, 96hp GFP BiFC [45] GFP - [46] downstream of the gene, 96hp data not available, 1 aptamer downstream of the ORF, 96hp GFP - [47] - - [11] GFP - [48] downstream of the ORF, 96hp downstream of the ORF, 96hp downstream of the gene, 96hp GFP - [49] GFP - [50] GFP - [51] downstream of the gene, 96hp separated from mRNA with a spacer, 1 aptamer downstream of the gene, 96hp GFP - [52] - - [53] GFP - [54] MS2 E. coli SRB-2 E. coli Spinach E. coli MS2 Influence of temperature on transcription SRB-2 system evaluation Fluorescence dynamics of Spinach S. Typhimurium Salmonella infection /HeLa MS2 Yeast MS2 Yeast U1Ap Yeast MS2 Yeast MS2 evaluation, localization of ASH1 mRNA in budding yeast Localization of mRNAs in budding yeast She3p as an adapter protein between Ash1 and myosin motor CAP role in cell polarity Repressor protein CI replaced rexAB region, 48hp GFP - [55] data not available downstream of the 3' end of the RNA, 1 aptamer data not available, 1 aptamer Data not available, 24hp - - [14] data not available Data not available (S. Typhimurium RNA) FUNGI ASH1 immediately downstream of the stop codon, 6hp - - [56] GFP - [57] GFP - [58] ASH1, NUC, non-coding upstream of the 3'UTR or between the RNAseP leader and terminator, 2hp downstream of the start codon, 4hp GFP - [59] GFP - [60] immediately downstream of the stop codon, 6hp GFP - [61] ADH2, ASH1 ASH1 9 U1Ap Yeast pre-mRNA processing in nuclear export, U1Ap system evaluation MS2 Yeast MS2 Yeast ASH1 localization in budding yeast Decapping of mRNA MS2 Yeast MS2 Yeast U1Ap Yeast MS2 Yeast MS2 Yeast MS2 Yeast Function of the Puf6p protein in Ash1 transport Involvement of the late secretory pathway in mRNA transport mRNA presence in Pbodies Rbp1p influence on the recruitment of Por1 mRNA into P bodies Occurrence of the retrotransposon Ty3 in P-body components Evaluation of the mTAG system PGK1, RPL25, SSA4 ORFs with ASH1, PGK1 or SSA4 3'UTR ASH1 MFA2, PGK1 LacZ+ASH1 (different lengths), ASH1 ASH1 PGK1, MFA POR1 Ty3 ASH1, SRO7, PEX3, OXA1 10 between the ORF and the 3'UTR, 16hp GFP - [4] upstream of the RNA, 2hp downstream of the poly(G) tract, 2 hp upstream of the ORF, 6hp GFP - [62] GFP - [63] GFP - [64] in the 3'UTR, 2hp GFP - [65] in the 3'UTR, data GFP not available between the stop GFP, RFP codon and the 3′UTR, 6hp downstream of Ty3 GFP POL3 ORF, 2hp - [66] - [67] - [68] between the ORF and the 3'UTR, 12hp - [69] GFP MS2 Yeast MS2 MS2 Yeast Yeast MS2, λN22 Yeast MS2 Yeast MS2 Yeast MS2 Yeast MS2 Yeast MS2 Yeast U1Ap Yeast Polarity of the localization of selected mRNAs RNA decay Daughter cell-specific transcription MS2-λN22 covisualization evaluation SRO7, CDC42, SEC4, OXA1, PEX3,MSO1 MFA2 CTS1 between the ORF and the 3'UTR, 12hp in the 3'UTR, 2hp in the 3'UTR, 12hp GFP protein product visualization [70] GFP GFP, red - [71] [72] ASH1, IST2, HOM2, ESC2 GFP, RFP - [73] V Myosin impact on ASH1 transport in budding yeast PTC1 involvement in ASH1mRNA localization Localization of mRNAs encoding peroxisomal proteins (mPPs) 3D microscopy tracking of single mRNA evaluation V Myosin impact on ASH1 transport in budding yeast U3 localization signal investigation ASH1 36nt upstream of the AUG codon, 12hp (boxB), 6hp (MS2) upstream of the 3'UTR, 6hp GFP - [74] ASH1 upstream of the 3'UTR, 2hp GFP - [75] different mPPs downstream of the ORF, 12hp 3xGFP, 4xGFP m-TAG [76] ARG3 between the ORF and the 3'UTR, 12hp upstream of the 3'UTR, 6hp 3xEGFP 3D microscopy [77] GFP - [78] upstream of the U3, 4hp GFP - [79] ASH1 U3, STE2+U3 11 MS2 Yeast Influence of She2p protein on the localization of ASH1 mRNA in budding yeast Telomerase RNA dynamics during the cell cycle Evaluation of the mpTAG system in visualizing transcripts and their products ABP140 movement in yeast ASH1 immediately downstream of the stop codon, 6hp GFP - [80] MS2 Yeast TLC1 upstream of the mature 3'end, 10hp GFP - [81] MS2 Yeast ATP2, HHF2, VPH1, YEF3 between the 3'UTR and the ORF, 12hp 3xGFP - [82] MS2, U1Ap Yeast ABP140 GFP - [83] Yeast Measurement of the SIC1 mRNA number SIC1 3xGFP - [84] PP7 Yeast GLT1, MDN1 GFP - [85] MS2 Yeast Transcription kinetics of genes in yeast mRNA connections with the cytoskeleton 3xGFP - [86] MS2, U1Ap Yeast in the 3'UTR, 6hp (MS2), 16hp (U1Ap) between the 3'UTR and the SIC1 gene, 12hp in the 5'UTR or the 3'UTR, 24hp between the ORF and the 3'UTR, 12hp between the ORF and the 3'UTR, 16hp (U1ApN), 12hp (MS2) MS2 mCherry, GFP - [87] mRNAs in stress granules ARG3, ASH1, BBC1, LAS17, VRP1 MFA2, UFO1, HSP12, ASH1, OXA1 12 MS2 Yeast ER influence on mRNA localization ASH1, WSC2, IST2, SRL1, EAR1 Ty3 in the 3'UTR, 12hp 3xGFP - [88] MS2 Yeast Ty3 retrotransposition analysis downstream of the Ty3 POL3 ORF, 2hp 80nt upstream of the telomeric repeats, 12hp (PP7), 2hp, 6hp (MS2) between the ORF and the 3'UTR, 12hp upstream of the 3'UTR, 6hp RFP - [89] MS2, PP7 Yeast TERRA RNA in telomere shortening TERRA from telomere 1L, 6R GFP, Tomato - [90] MS2 Yeast mSMPs (eg. SUC2, USE1) MS2 Yeast MS2, PP7 Yeast Translationindependent mRNA localization Diverse small molecule fluorophores for RNA visualization Single-allele gene expression 3xGFP, 4xGFP mp-TAG [91] eGFP, eDHFR, SNAP - [92] MDN1 in the 3'UTR, 24hp (MS2), 24hp (PP7) EGFP, mCherry - [93] MS2 Yeast Relocalization of mRNAs to P-bodies RPS16A, RPS23B, PGK1, SPG4, SUE1, VNX1, TDP1, RRP43 within 3’UTR, N.A. 3xGFP m-TAG [94] RP51A+lacZ 13 PROTISTA MS2 Dictyostelium Transcriptional pulsing and memory dscA at the 5' end of the gene, 6 bp downstream of ATG codon, 24hp GFP - [95] MS2 Dictyostelium Transcriptional memory act5, scd in the 5′regions of genes, 24hp GFP - [96] MS2 Dictyostelium Signal-induced transcription ecmA in the 5′regions of genes, 24hp GFP - [97] MS2 Dictyostelium Transcriptional pulse differences between housekeeping and developmental genes, RNA stability housekeeping genes(abpE, act5, cinD, rpl5, scd), developmental genes (carA, csaA, cofC, hspF, zfaA) in the 5′regions of genes, 24hp GFP FRAP [98] MS2 Dictyostelium Transcription dynamics csaA in the 5'UTR, 24hp GFP - [99] MS2 Dictyostelium Transcription dynamics of GtaC-dependent gene csaA in the 5′regions of genes, 24hp GFP - [100] 14 PLANTS MS2 Tobacco BY-2, rice endosperm cells MS2 A. cepa MS2 N. benthamiana miRNA processing MS2 Arabidopsis MS2, λN22 N. benthamiana Localization of primiRNA with D-bodies λN system evaluation (co-visualization with protein or the MS2 system) MS2 MS2 Primary hippocampal neurons HeLa mRNA localization in the ER in rice endosperm; movement dynamics and speed; transport dependence on microfilaments shortORF mRNA interactions with MtRBP1 CaMKIIα 3′ UTR localization Intranuclear visualization GUS+ prolamine between the reporter protein and the prolamine ORF, 6hp GFP - [101] enod40 (Medicago truncatula), delMtapk1, Mtapk1 pri-miR163 data not available, 2hp GFP - [102] in the 3'UTR of pri-miR163, 6hp downstream of the pri-miRNA, 24hp in the 3'UTR or in the 5'UTR, 6hp (MS2), 16hp (boxB) Venus, mCherry YFP - [103] - [104] CFP, GFP, mVenus, mCherry - [105] pri-miR173 tagRFP and other not specified ANIMALS CamKIIα upstream of the 3'UTR, 8hp GFP - [106] snoRNA YFP, GFP - [107] between two short box C/D motifs inside a β globin intron, 24hp 15 MS2 DRG, P19 MS2 COS-7 MS2 Drosophila MS2 Rat hippocampal neurons MS2 U2OS MS2 U2OS Differences in motility between isoforms of kor mRNAs Movement of mRNA, dependence on cytoskeleton, influence of zipcode on movement Localization of nanos RNA in oocytes A, B and C isoforms of kor mRNA SV40, hGH, βactin upstream of the 3'UTR, 3hp GFP - [108] between LacZ and the 3'UTR, 6hp, 12hp, 24hp EGFP, YFP - [109] nos EGFP - [110] Investigating SYNCRIP role in mRNA granules in neurons Gene expression at the levels of DNA, RNA and protein in living cells IP3R1 in the 3'UTR (500nt downstream of the stop codon), 6hp upstream of the RNA, 12hp Venus - [111] - [112] FRAP, photoactivation [113] Visualizing mRNPs movement in nuclei CFP + SKL + β- between YFP globin peroxisomal targeting signal SKL and β-globin intron/exon module, 24hp β globin downstream of the YFP, GFP ORF, 24hp 16 MS2 COS-7 MS2 U2OS MS2 PC12 MS2 Dorsal Root Ganglia cells MS2 Drosophila MS2 Drosophila neurons MS2 COS-7 RNA-protein direct and normal and indirect interactions mutated versions of βactin zipcode, IRE, G quartet sequence, FMR1, c-myc Transcription of β-globin + CFP snoRNA Peripherin mRNA and CFP+peripherin translation product localization 3' and 5'UTRs in kor, SV40 mRNA transport to axons Localization of bicoid bicoid, nos mRNA in oocytes CamKII altered Drosophila localization in memory CamKII, 3'UTR process of Drosophila CamKII, 3'UTR of mouse αCamKII Cellular function of 3'UTR or Dazl in the mouse male 5'UTR of Tpx1, germ cells Cdc25C, Cdc25A, Mvh 17 upstream of the zipcode, 1hp Venus TriFC [114] in the 3'UTR, 18hp GFP, RFP - [115] between the ORF YFP and the 3'UTR, 24hp - [116] upstream of the 3'UTR, 3hp EGFP - [117] in the 3'UTR, 6hp RFP, GFP FRAP, FLIP [118] upstream of the 3'UTR, 8hp GFP - [119] data not available, 6hp, 12hp GFP - [120] MS2 Dorsal root ganglia cells U2OS λN22 NRK MS2 HeLa, E18 rat cortical neurons NIH3T3 Localization of Arc mRNA in neurons RNA localization mediated through microtubules Drosophila neurons Cortical neurons of wild-type and FMR1 KO mice HeLa nanos targeting signals MS2 MS2 MS2 MS2 MS2 Function of Copb1 in neurons Dynamics of RNA polymerase II transcription λN system evaluation kor, SV40 DsRed+Arc CFP+β-globin RFP+β-actin zipcode, Srprb, SRP β-globin with rab13, pkp4, rhoA, rac1 3'UTR or without 3’UTR nos Role of FMRP in mRNA transport CaMKIIα Mobility of mRNA between stress granules and cytoplasm β-Gal reporter 18 upstream of the 3'UTR, 3hp downstream of the ORF, 24hp EGFP - [121] GFP FRAP, photoactivation [122] downstream of the mEGFP mRFP or before βactin zipcode, 4hp, 16hp between the ORF GFP and the 3'UTR, 6hp between the ORF GFP and the 3'UTR, 24hp FRAP [2] - [123] FRAP [124] data not available, 18hp upstream of the 3'UTR, 8hp RFP - [125] GFP - [126] data not available, 6hp, 24hp GFP FRAP [127] MS2 Xenopus CPE-regulation of maternal mRNAs MS2 Drosophila MS2 C2C12 oscar mRNA in Drosophila oocytes MS2 protocol MS2 Drosophila MS2 COS-7 MS2 Drosophila MS2 Drosophila MS2 MS2 Role of FMRP in mRNA transport RARα role in the inhibition of translation Difference in motility of grk mRNA between stages of oogenesis miRNA role in Drosophila oogenesis Chicken embryo Dependency of fibroblasts localization on molecular mass Chicken embryo β-Actin transcript and fibroblasts protein product localization in chicken embryos luciferase ORF with 3'UTR from Xkid, wild-typeTPX2 or TPX2 with CPEs inactivated osk between the ORF GFP and the 3'UTR, 12hp downstream of the stop codon, 10hp DMPK upstream of the 3'UTR, 24hp CG9293, chic downstream of the mRNA, 12hp firefly luciferase in the 3'UTR, 12hp - [128] GFP - [129] GFP - [1] GFP FRAP [130] EGFP - [131] gurken in the 3'UTR, 343 GFP, RFP bp downstream of the stop codon, 12hp FRAP [132] osk added to the 3'UTR, 16hp downstream of the 3'UTR, 4hp GFP - [133] EGFP - [134] downstream of the 3'UTR, 4hp EGFP protein product visualization [135] different length of β-Actin β-Actin 19 MS2 C. elegans DLK-1 function in neurons, increasing stability of mRNA by protein UV Inhibits the Pol II Elongation Rate RNG105 colocalization with NKA mRNAs CEBP-1, UNC54 in the 3'UTR, 6hp GFP - [136] MS2 U2OS HIV-1 data not available, 24hp data not available, 24hp GFP FRAP [137] MS2 MS2 Primary cultured neurons from E17.5 mouse cerebral cortex NIH3T3 GFP - [138] Evaluation of isolation MS2-streptavidin method, RBPs search mRNP transport in nucleus and export mRFP+OXA1, β-actin, GAPDH dystrophin (different lengths), β-globin minigene CFP + SKL + βglobin upstream of the 3'UTR, 24hp GFP streptavidin purification [139] MS2 U2OS in the 3'UTR, 24hp YFP FRAP [140] MS2 U2OS Transcription activation by VP16and p53-activator - [141] MS2 Rat hippocampal neurons ApoE mRNA region responsible for dendritic transport - [142] Na+/K+ ATPase Subunit Isoforms ApoE (different lengths) 20 between YFP peroxisomal targeting signal SKL and β-globin intron/exon module, 24hp upstream of the GFP ORF, 8hp MS2 HEK 293 MS2 Rat cortical neurons MS2 Primary hippocampal neurons of wildtype or FMR1 KO mice HeLa, U2OS MS2 Single allele transcription kinetics Htt role in BDNF transport GFP FRAP [143] 3'UTR of upstream of the BDNF 3'UTR, 12hp (different lengths) CaMKIIα, Fmr1 upstream of the 3'UTR, 8hp Venus - [144] GFP - [145] Retrotransposition efficiency Dendritic role of Huntingtin in RNA transport retrotransposone L1 IP3R1, RFP+βactin zipcode GFP, CFP - [146] EGFP, Venus - [147] CFP+chicken βactin+β-globin intron-exonintron APP, just hairpins downstream of the ORF2 of L1, 24hp between mRFP and the β-actin zipcode or before the 3'UTR, 4hp (boxB) , 12hp (MS2) between the ORF and the 3'UTR, 24hp YFP FRAP [148] data not available, 24hp YFP siRNA [149] downstream of the ORF, 24hp YFP - [150] Role of FMRP in mRNA transport under mGluR5 receptor stimulation MS2, λN22 Rat cortical neurons MS2 U2OS β-actin mRNA route from transcription to translation point MS2 BE2-M17 MS2 U2OS FMRP and hnRNP C competitive translation control of APP mRNA Fokl influence on transcript accumulation CCND1 in the 3'UTR, 24hp CFP-SKL 21 MS2 HOS_A4 MS2 MS2 Hippocampal neurons Mouse hippocampal neurons C2C12 MS2 U2OS MS2 J1 ES MS2 HeLa MS2 U2OS MS2 Dynamics of RNA Polymerase II (single and tandem integration) Kv4.2 mRNA transport in dendrites Kv4.2-3′UTR is Important for Dendritic Targeting Influence of CUG repeats on the localization of DMPK transcript Kinetics of Pol II elongation in the context of splicing Evaluation of a system to visualize noncoding RNAs, Xist role in X chromosome inactivation Competitive regulation of nucleolin expression by HuR and miR-494 Proteolytic activity at the induced transcription site HIV-1, U3 downstream of the LTR promoter, 1hp (U3), 24hp upstream of the sequence, 2hp upstream of the 3'UTR, 6hp Cherry, EYFP FRAP, iFRAP [151] GFP - [152] GFP - [153] LacZ + 3'UTR of DMPK (5/145CUG) upstream of the 3'UTR, 24hp GFP, mCherry FRAP, FLIP [154] β-globin (multiplied 2 intron) + CFPSKL Xist downstream of the gene, 18hp YFP FRAP [155] at the 3'end of Xist, 24hp GFP FRAP [156] RL+NCL upstream of the ORF, 24hp YFP siRNA, miRNA [157] CFP + β-globin in the 3'UTR, 18hp GFP, RFP - [158] Kv4.2, CaMKIIα Kv4.2, Arc, only hairpins 22 MS2 U2OS Premature termination codon in nonsensemediated mRNA decay Splicing kinetics MS2 U2OS MS2 Drosophila Protein starvation in Drosophila oogenesis MS2 HeLa MS2 U2OS HuR influence on TOP2A mRNA movement between polysomes and PBs Effects of DRAQ5 on mRNA accumulation MS2 MS2 Knock-in mice (neurons and fibroblasts) HepG2 MS2 Drosophila MS2 Primary hippocampal neurons Evaluation of MS2 in vivo, β-actin observations Insulin influence on ApoB mRNA localization Evaluation of genetic in vivo system to detect asymmetrically distributed RNA Stau2 involvement in mRNA movement mini µ reporter gene (WT and PTC+) MINX intron + LacZ oskar in the 3'UTR, 24hp YFP, Dendra2 FRAP, [159] photoconversion in an intron or exon, 4hp directly downstream of the stop codon, 10hp upstream of the 3'UTR, 24hp GFP FRAP [160] GFP - [161] YFP siRNA [162] unspecified inducible transgene β-actin in the 3'UTR, 24hp GFP - [163] in the 3'UTR, 24hp YFP - [164] apoB, β-globin downstream of the 3'UTR, 24hp EGFP - [165] nos, EP vector induces random integration into the genome Map1b, Map2 between the transcriptional start site and the 3′ Pelement, 6hp upstream of the 3'UTR, 24hp EGFP, RFP - [166] mCherry siRNA [167] TOP2A 23 MS2 C2C12 MS2, λN22 Rat cortical neurons MS2 Hippocampal neurons HeLa MS2 MS2, λN22 Drosophila oocytes MS2 MS2 Primary hippocampal neurons Rat cortical neurons J1 ES MS2, PP7 MEF MS2 Paraspecles creation and dynamics, noncoding RNAs visualization β-actin transport in dendrites dependence on Htt and other proteins Co-localization of two mRNAs Splicing regulation Menε/β upstream of the Menε/β, 24hp EYFP FRAP [168] β-actin upstream of the βactin zipcode, 12hp (MS2), 4hp (boxB) Venus, RFP, EGFP - [169] CaMKIIα YFP ISH [170] EGFP - [171] Localization of transcript with mutated SOLE structure and sequence Movement of MMP-9 mRNA different osk upstream of the 3'UTR, 24hp downstream of the 5'ss D1, 2hp data not available GFP - [172] EGFP - [173] mRNA localization in dendrites Transcriptional pulsing dynamics of high expressing retroviral transgenes in embryonic Stem Cells PP7 and MS2 systems comparison Arc, Dendrin upstream of the coding sequence, 24hp upstream of the 3'UTR, 6hp downstream of the ORF, 16hp, 24hp EGFP - [174] EGFP - [175] in the 3'UTR, 24hp (PP7), 24hp (MS2) EGFP - [176] D1 MMP-9 mRFP CFP+β-actin 24 MS2 Neurons MMP-9 mRNA HEK 293 FMRP interaction with MMP-9 mRNA Dynamics of proteinRNA interactions Splicing visualization MS2 U2OS MS2, λN22 MS2 Neurons Transport of nos RNPs nos, osk MS2 Drosophila Transcription activity CFP-SKL MS2 CNS1 CPE TAT-TAR, REV-RRE, MS2 MS2 MDCK MS2 Spinach2 HEK 293 COS-7 MS2 INHS MS2 IEC-6 CPEB1 role in shuttling mRNA between nucleus and cytoplasm Evaluation of TATTAR and REV-RRE systems mRNA localization polarity Transcription kinetics Spinach2 system evaluation, CGG RNA nuclear aggregation NF1 interactions with mRNAs miR-195 influence on strim1 mRNA decay Xenopus data not available β-globin, IgM influenza viral mRNAs NS, M, and NP. VLE, β-globin GOI (CGG)60 RNA CamKIIα stim1, only hairpins 25 data not available, 24hp data not available, 24hp inside introns, 24hp (MS2), 25hp (λN22) data not available, 6hp, 18hp downstream of the ORF, 24hp in the 3'UTR, 12hp GFP - [177] mCherry FRAP, photoactivation - [178] - [180] GFP - [181] GFP - [182] upstream of the investigated signal sequence, 1hp downstream of the RNA, 24hp in the 3'UTR, 24hp downstream of the ORF, 1 aptamer GFP, ECFP TriFC [183] mCherry [184] GFP - FRAP, Photoactivation FRAP - upstream of the 3'UTR, 8hp upstream of the RNA, 24hp GFP - [186] YFP - [187] GFP, mCherry RFP [179] [185] [12] MS2 U2OS-2-6-3 MS2 RIE-1 MS2 Hippocampal neurons U2OS MS2, PP7 Condensin II recruitment to genes TGF-β induces mRNA transport to P-bodies Local translation in synaptic stimulation BiFC evaluation with MS2 and PP7 systems CFP-SKL in the ORF, 96hp YFP - [188] COX upstream of the 3'UTR, 12hp in the 3'UTR, 24hp YFP - [189] GFP - [190] in the 3'UTR, 12hp (MS2+PP7), 24hp (MS2) in the 3'UTR, 24hp Venus BiFC [191] β-globin data not available mRNA visualization in β-globin GFP [192] tissues U2OS Better dyes for (CGG)60 RNA downstream of the [193] Spinach2 Spinach2 ORF, 1 aptamer HeLa Tudor protein coAGTR1 Downstream of the GFP [194] MS2 localization with 3’UTR, 24hp AGTR1 transcript Supplementary Table 2 Applications of live visualization systems separated according to cell line origin. 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