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Strain Species Genotype
OD4376 C. elegans mdf-1(lt167[mScarlet::tev::loxP::3xFlag::mdf-1])V. Show Description
CRISPR/Cas9 engineered. Tagged MDF-1 at its endogenous locus with mScarlet. gRNA sequence: tgattgcattaaacatatt Reference: Lara-Gonzalez P, et al. Science. 2021 Jan 1;371(6524):64-67. doi: 10.1126/science.abc1424. PMID: 33384372.
OG472 C. elegans drSi2 II; unc-119(ed3) III. Show Description
drSi2 [vha-6p::3XFLAG::pgp-3/CFTR(wt)::mCherry::unc-54 3'UTR] II. Superficially wild-type with mCherry expression only in the intestine with enrichment at the apical membrane. Single copy integration of the vha-6 promoter driving the PGP-3 protein with an N-terminal 3XFLAG tag and a C-terminal mCherry tag. Amino acids 476-484 of PGP-3 have been replaced with amino acids 501-509 of human CFTR (TIKENIIFG). Transgene was inserted at the ttTi5605 locus on LGII and verified to be a single copy insertion by long range PCR across the genomic locus. Reference: He L, et al. Dis Model Mech. 2012 Nov;5(6):930-9.
OG474 C. elegans drSi4 II; unc-119(ed3) III. Show Description
drSi4 [vha-6p::3XFLAG::pgp-3/CFTR(delta F508)::mCherry::unc-54 3'UTR] II. Superficially wild-type with mCherry expression only in the intestine with significantly diminished expression as compared to drSi2. Single copy integration of the vha-6 promoter driving the PGP-3 protein with an N-terminal 3XFLAG tag and a C-terminal mCherry tag. Amino acids 476-484 of PGP-3 have been replaced with amino acids 501-509 of human CFTR with F508 deleted (TIKENII_G). Transgene was inserted at the ttTi5605 locus on LGII and verified to be a single copy insertion by long range PCR across the genomic locus. Reference: He L, et al. Dis Model Mech. 2012 Nov;5(6):930-9.
OH13908 C. elegans daf-16(ot821[daf-16::mKate2::3xFLAG]) I. Show Description
CRISPR allele of daf-16, tagged at the C-terminus with mKate2::3xFLAG. Reference: Aghayeva U, et al. A panel of fluorophore-tagged daf-16 alleles. microPublication Biology.
OH14125 C. elegans daf-16(ot853[daf-16::linker::mNeonGreen::3xFlag::AID]) I. Show Description
mNeonGreen tag inserted into endogenous daf-16 locus; AID at 3' end of mNeonGreen. Transgene can be degraded in a background expressing TIR1 co-factor and supplemented with auxin, allowing conditional knock-down of daf-16 expression. Reference: Bhattacharya et al. Cell. 2019 Feb 21;176(5):1174-1189.e16. PMID: 30686580
OH14130 C. elegans che-1(ot856[che-1::SEC-GFP::TEV::3xFLAG]) I. Show Description
ot856 [che-1::SEC-GFP::TEV::3xFLAG]. Endogenous locus of che-1 tagged with GFP. Nuclear GFP localization in ASE neurons. Reference: Leyva-Díaz E, et al. Genetics. 2017 Oct;207(2):529-545.
OH14589 C. elegans daf-12(ot870[daf-12::GFP::3xFlag]) X. Show Description
Superficially wildtype. GFP tag inserted into endogenous daf-12 locus through CRISPR/Cas9 engineering. Reference: Aghayeva et al., submitted
OH14654 C. elegans daf-16(ot853[daf-16::mNeonGreen::3xFlag::AID]) I; daf-2(e1370) III. Show Description
Temperature sensitive dauer constitutive. Maintain at 15C. CRISPR/Cas9-engineered AID conditional daf-16 allele in daf-2(e1370) background (TIR1-less control). Reference: Aghayeva et al., submitted
OH14888 C. elegans daf-16(ot853[daf-16::mNG::3xFlag::AID]) I; ieSi57 II; daf-2(e1370) III. Show Description
ieSi57 [eft-3p::TIR1::mRuby::unc-54 3'UTR] II. Maintain at 15C. Temperature-sensitive dauer constitutive. CRISPR/Cas9-engineered AID conditional daf-16 allele in daf-2(e1370) background with ubiquitous TIR1 expression. Reference: Aghayeva et al., submitted
OH14891 C. elegans daf-12(ot874[daf-12::TagRFP::3xFlag::AID]) X. Show Description
Superficially wildtype. CRISPR/Cas9-engineered AID conditional daf-12 allele. Reference: Aghayeva et al., submitted
OH14892 C. elegans daf-3(ot875[daf-3::GFP::3xFlag]) X. Show Description
Superficially wildtype. GFP tag inserted into endogenous daf-3 locus through CRISPR/Cas9 engineering. Reference: Aghayeva et al., submitted
OH14896 C. elegans daf-3(ot877[daf-3::TagRFP-T::3xFlag::AID]) X. Show Description
Superficially wildtype. CRISPR/Cas9-engineered AID conditional daf-3 allele. Reference: Aghayeva et al., submitted
OH14897 C. elegans daf-16(ot853[daf-16::mNeonGreen::3xFlag::AID]) I; ieSi60 II; daf-2(e1370) III. Show Description
ieSi60 [myo-2p::TIR1::mRuby::unc-54 3'UTR] II. Temperature sensitive dauer constitutive. Maintain at 15C. Pharyngeal muscle-specific depletion of DAF-16 in the presence of auxin. Reference: Aghayeva et al., submitted
OH14945 C. elegans daf-16(ot853[daf-16::mNeonGreen::3xFlag::AID]) I; ieSi61 II; daf-2(e1370) III. Show Description
ieSi61[ges-1p::TIR1::mRuby + unc-119(+)] II. Temperature sensitive dauer constitutive. Maintain at 15C. Intestine-specific depletion of DAF-16 in the presence of auxin. Reference: Aghayeva et al., submitted
OH14946 C. elegans ieSi57 II; daf-7(e1372) III; daf-3(ot877[daf-3::TagRFP-T::3xFlag::AID]) X. Show Description
ieSi57 [eft-3p::TIR1::mRuby + unc-119(+)] II. Maintain at 15C. Temperature-sensitive dauer constitutive. CRISPR/Cas9-engineered AID conditional daf-3 allele in daf-7(e1372) background with ubiquitous TIR1 expression. Reference: Aghayeva et al., submitted
OH15227 C. elegans unc-86(ot893[unc-86::3xFlag::mNeonGreen::AID]) III. Show Description
unc-86(ot893) is a CRISPR/Cas9 engineered translational reporter (nuclear mNeonGreen expression). Endogenous unc-86 locus is tagged 3xFlag::mNeonGreen::AID (Auxin Inducible Degron) at the 3' end. The mNeonGreen::AID cassette was inserted right before the stop codon of the unc-86 locus, using a guide RNA that targets a sequence overlapping the unc-86 locus STOP codon (target sequence: GGATTCTTTGATTAGTTTCG). Reference: Serrano-Saiz E, (2018). BRN3-type POU homeobox genes maintain the identity of mature postmitotic neurons in nematodes and mice. Curr Biol (in press).
OH15439 C. elegans ceh-34(ot903[ceh-34::mNG::3xFLAG::AID]) V. Show Description
CRISPR/Cas9-engineered insertion of mNeonGreen::3xFLAG::AID tags into endogenous ceh-34 locus. Reference: The enteric nervous system of C. elegans is specified by the Sine Oculis-like homeobox gene ceh-34. Vidal B, et al. bioRxiv 2021.11.30.470650; doi: https://doi.org/10.1101/2021.11.30.470650
OH15568 C. elegans unc-17(ot907[unc-17::mKate2::3xflag]) IV. Show Description
Superficially wild-type. mKate2 and 3xFlag tag added to endogenous unc-17 locus. unc-17::mKate2 labels all cholinergic neurons in the nervous system. Reference: Pereira L, et al. Elife. 2019 Jan 1;8. pii: e42078. doi: 10.7554/eLife.42078.
OH15579 C. elegans che-1(ot908 ot856[che-1::SEC-GFP::TEV::3xFLAG]) I. Show Description
ot856 [che-1::SEC-GFP::TEV::3xFLAG]. Endogenous locus of che-1 carrying mutation in regulatory region (ASE motif) and tagged with GFP. che-1 expression, molecular marker expression and neuronal function (chemotaxis assays) severely affected. Reference: Leyva-Díaz E, Hobert O. Transcription factor autoregulation required for acquisition and maintenance of neuronal identity. (Under revision).
OH15683 C. elegans che-1(ot871 ot856[che-1::SEC-GFP::TEV::3xFLAG]) I. Show Description
ot856 [che-1::SEC-GFP::TEV::3xFLAG]. Endogenous locus of che-1 carrying mutation in regulatory region (ASE motif) and tagged with GFP. che-1 expression, molecular marker expression and neuronal function (chemotaxis assays) severely affected. Reference: Leyva-Díaz E, Hobert O. Transcription factor autoregulation required for acquisition and maintenance of neuronal identity. (Under revision).
OH15732 C. elegans mab-3(ot931[mab-3::GFP::3xFlag]) II; him-5 (e1490) V. Show Description
GFP and 3xFlag tag inserted in endogenous mab-3 locus using the CRISPR SEC cassette (Dickinson 2015). sgRNA: ggtcaaaattatagatctt Insertion site: II: 9737290-9737291. Reference: Pereira L, et al. Elife. 2019 Jan 1;8. pii: e42078. doi: 10.7554/eLife.42078.
OH15733 C. elegans dmd-3(ot932[dmd-3::GFP::3xFlag]); him-8 (e1489) IV. Show Description
GFP and 3xFlag tag inserted in endogenous dmd-3 locus using the CRISPR SEC cassette (Dickinson 2015). sgRNA: accctttcagccgtattgt Insertion site: V: 19650564-19650565. Reference: Pereira L, et al. Elife. 2019 Jan 1;8. pii: e42078. doi: 10.7554/eLife.42078.
OH15815 C. elegans che-1(ot63 ot941[che-1::SEC-GFP::TEV::3xFLAG]) I. Show Description
ot941[che-1::SEC-GFP::TEV::3xFLAG]. Endogenous locus of che-1 carrying ot63 null alllele and tagged with GFP (che-1::SEC-GFP::TEV::3xFLAG). che-1(ot63) is a loss of function allele which carries a (Cys255Tyr) missense mutation in the fourth Zn finger domain of CHE-1. Reference: Chang S, et al. Genes Dev. 2003 Sep 1;17(17):2123-37.
OH15876 C. elegans pha-4(ot946[pha-4::3xGAS::GFP::TEV::LoxP::3xFLAG]) V. Show Description
GFP tag inserted at the C-terminus of the endogenous pha-4 locus by CRISPR. Allele obtained using Cas9-sgRNA ribonucleoprotein complex, following Dokshin et al, 2018 method. Please contact Oliver Hobert prior to publishing work using this strain.
OH16052 C. elegans otIs745[ceh-36p3::npp-9::mCherry::BLRP::3xFLAG::npp-9 3'UTR] Show Description
AWC neurons are marked with mCherry. AWC nuclei can be isolated by INTACT.
OH16294 C. elegans nono-1(ot1018[nono-1::gfp::3xflag]) III. Show Description
Superficially wild-type.
OH16366 C. elegans pha-1(e2123) III; otIs669 V; otEx7484. Show Description
otEx7484 [ceh-13::TY1::eGFP::3xFLAG + unc-119(+) + pha-1(+)]. Maintain at 25C to retain array. C-terminal tagged fosmid generated by Transgenome project. Injected with pha-1 rescuing array into NeuroPAL transgene strain. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.
OH16367 C. elegans pha-1(e2123) III; otIs669 V; otEx7485. Show Description
otEx7485 [ceh-28::TY1::eGFP::3xFLAG + unc-119(+) + pha-1(+)]. Maintain at 25C to retain array. C-terminal tagged fosmid generated by Transgenome project. Injected with pha-1 rescuing array into NeuroPAL transgene strain. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.
OH16368 C. elegans pha-1(e2123) III; otIs669 V; otEx7486. Show Description
otEx7486 [ceh-12::TY1::eGFP::3xFLAG + unc-119(+) + pha-1(+)]. Maintain at 25C to retain array. C-terminal tagged fosmid generated by Transgenome project. Injected with pha-1 rescuing array into NeuroPAL transgene strain. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.
OH16369 C. elegans pha-1(e2123) III; otIs669 V; otEx7487. Show Description
otEx7487 [ceh-17::TY1::eGFP::3xFLAG + unc-119(+) + pha-1(+)]. Maintain at 25C to retain array. C-terminal tagged fosmid generated by Transgenome project. Injected with pha-1 rescuing array into NeuroPAL transgene strain. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.
OH16370 C. elegans pha-1(e2123) III; otIs669 V; otEx7488. Show Description
otEx7488 [ceh-45::TY1::eGFP::3xFLAG + unc-119(+) + pha-1(+)]. Maintain at 25C to retain array. C-terminal tagged fosmid generated by Transgenome project. Injected with pha-1 rescuing array into NeuroPAL transgene strain. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.
OH16371 C. elegans pha-1(e2123) III; otIs669 V; otEx7489. Show Description
otEx7489 [nsy-7::TY1::eGFP::3xFLAG + unc-119(+) + pha-1(+)]. Maintain at 25C to retain array. C-terminal tagged fosmid generated by Transgenome project. Injected with pha-1 rescuing array into NeuroPAL transgene strain. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.
OH16463 C. elegans smo-1(ot1038[smo-1::gfp::3xflag]) I. Show Description
Superficially wild-type.
OH16464 C. elegans fust-1(ot1039[fust-1::gfp::3xflag]) II. Show Description
Superficially wild-type.
OH16479 C. elegans pha-1(e2123) III; otIs669 V; otEx7569. Show Description
otEx7569 [ceh-81::TY1::eGFP::3xFLAG + unc-119(+) + pha-1(+)]. Maintain at 25C to retain array. C-terminal tagged fosmid generated by Transgenome project. Injected with pha-1 rescuing array into NeuroPAL transgene strain. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.
OH16480 C. elegans pha-1(e2123) III; otIs669 V; otEx7570. Show Description
otEx7570 [ceh-91::TY1::eGFP::3xFLAG + unc-119(+) + pha-1(+)]. Maintain at 25C to retain array. C-terminal tagged fosmid generated by Transgenome project. Injected with pha-1 rescuing array into NeuroPAL transgene strain. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.
OH16481 C. elegans pha-1(e2123) III; otIs669 V; otEx7571. Show Description
otEx7571 [ceh-99::TY1::eGFP::3xFLAG + unc-119(+) + pha-1(+)]. Maintain at 25C to retain array. C-terminal tagged fosmid generated by Transgenome project. Injected with pha-1 rescuing array into NeuroPAL transgene strain. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.
OH16482 C. elegans rpc-1(ot1041[rpc-1::gfp::3xflag]) IV. Show Description
Superficially wild-type.
OH16508 C. elegans daf-16(ot975[daf-16::mNeptune2.5::3xFlag::AID]) I; daf-2(e1370) III; otIs730. Show Description
otIs730 [UPN::TIR1::mTur2 + inx-6(prom18)::TagRFP]. Temperature sensitive dauer constitutive. Maintain at 15C. UPN (Ultra Pan-Neuronal) promoter contains four short pan-neuronal promoters fused together (unc-11::rgef-1::ehs-1::ric-19). Panneuronal depletion of DAF-16 in the presence of auxin. Reference: Aghayeva et al., submitted
OH16704 C. elegans fox-1(ot1081[fox-1::gfp::3xflag]) X. Show Description
Superficially wild-type.
OH16748 C. elegans otIs790. Show Description
otIs790 [UPN::npp-9::mCherry::blrp::3xFlag]. otIs790 contains a pan-neuronal INTACT tag for pull-down of all neuronal nuclei. Reference: Sun H & Hobert O. Nature. 2021 Dec;600(7887):93-99. doi: 10.1038/s41586-021-04071-4. PMID: 34759317.
OH17055 C. elegans ceh-38(tm321) II; ceh-44(ot1028) III; ceh-48(tm6112) IV; otDf1 X; otIs790. Show Description
otIs790 [UPN::npp-9::mCherry::blrp::3xflag]. otIs790 contains a pan-neuronal INTACT tag for pull-down of all neuronal nuclei. CUT sextuple-mutant background. Reference: Leyva-Diaz E & Hobert O. Current Biol. 2022 Mar 3;S0960-9822(22)00262-7. PMID: 35259341
OH17918 C. elegans lep-5(ot1215[lep-5p::SL1::tbb-2 5'UTR::GFP::H2B::loxP::sqt-1(d)::hygR::loxP::3xFLAG::tbb-2 3'UTR]) X. Show Description
The Null Transcriptional Reporter (NuTR) cassette was used to remove the lep-5 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. Males exhibit typical leptoderan tails.
OH17921 C. elegans linc-3(ot1217[linc-3p::SL1::tbb-2 5'UTR::GFP::H2B::loxP::sqt-1(d)::hygR::loxP::3xFLAG::tbb-2 3'UTR]) V. Show Description
The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-3 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in dauers.
OH17923 C. elegans linc-19(ot1219[linc-19p::SL1::tbb-2 5'UTR::GFP::H2B::loxP::sqt-1(d)::hygR::loxP::3xFLAG::tbb-2 3'UTR]) III. Show Description
The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-19 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in dauers.
OH17929 C. elegans linc-23(ot1225[linc-23p::SL1::tbb-2 5'UTR::GFP::H2B::loxP::sqt-1(d)::hygR::loxP::3xFLAG::tbb-2 3'UTR]) I. Show Description
The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-23 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in the male somatic gonad.
OH17932 C. elegans linc-26(ot1227[linc-26p::SL1::tbb-2 5'UTR::GFP::H2B::loxP::sqt-1(d)::hygR::loxP::3xFLAG::tbb-2 3'UTR]) IV. Show Description
The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-23 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in the male somatic gonad and extremely dim expression in hermaphrodite spermatheca.
OH17935 C. elegans linc-36(ot1229[linc-36p::SL1::tbb-2 5'UTR::GFP::H2B::loxP::sqt-1(d)::hygR::loxP::3xFLAG::tbb-2 3'UTR]) IV. Show Description
The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-36 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in the sperm of both hermaphrodites and males.
OH17938 C. elegans linc-41(ot1231[linc-41p::SL1::tbb-2 5'UTR::GFP::H2B::loxP::sqt-1(d)::hygR::loxP::3xFLAG::tbb-2 3'UTR]) IV. Show Description
The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-41 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in the male somatic gonad, spermatheca of hermaphrodites, as well as several other tissues in the head.
OH17942 C. elegans tts-1(ot1234[tts-1p::SL1::tbb-2 5'UTR::GFP::H2B::loxP::sqt-1(d)::hygR::loxP::3xFLAG::tbb-2 3'UTR]) X. Show Description
The Null Transcriptional Reporter (NuTR) cassette was used to remove the tts-1 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in several tissues including the pharynx but is significantly upregulated in a stress-dependent manner in a variety of tissues.