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Strain Species Genotype
ABR156 C. briggsae Cbr-she-1(v35) IV; mfIs42. Show Description
mfIs42 [Cel-sid-2(+) + Cel-myo-2::dsRed]. Maintain at 15C. Feminization is partially-penetrant at 15C; most hermaphrodites are somewhat self-fertile and can lay small broods. Can be maintained by crossing with male siblings. Feminized C. briggsae strain made susceptible to RNAi knock-down by feeding dsRNA due to the transgenic expression of C. elegans SID-2. Generated by crossing parental strains JU1018 with RE665. Reference: Booth LN, eLife 2019 Jul 8;8:e46418. PMID: 31282863.
ABR4 C. elegans pha-1(e2123) III; staEx4. Show Description
staEx4 [T20F7.6p(R81Q)::T20F7.6 + pha-1(+)]. Constitutively active T20f7.6 promoter construct (CA3). Maintain at 25 degrees. Superficially wild-type with increased lifespan and stress resistance. Reference: Greer EL et al Curr Biol 2007 Oct 9;17(19):1646-56.
AC257 C. elegans ppk-3(n2668) X. Show Description
Growth retardation, enlarged vacuoles (late endosomes and lysosomes) in intestine, epidermis, coelomocytes and pharynx. 27% embryonic lethality and 8% post-embryonic lethality.
AD213 C. elegans spe-19(eb52) V; asEx83. Show Description
asEx83 [spe-19(+) + myo3p::GFP]. Pick GFP+ to maintain. asEx83 contains 7.3kb genomic fragment including spe-19 (Y113G7A.10) and 850bp of upstream sequence. Transgene rescues spe-19(eb52) sperm activation defect. GFP+ hermaphrodites are fertile. non-GFP hermaphrodites are sterile. All males are fertile.
AD226 C. elegans egg-3(tm1191)/mIn1 [mIs14 dpy-10(e128)] II. Show Description
Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP+ (heterozygotes), Dpy bright GFP+ (mIn1 homozygotes), and non-GFP tm1191 homozygotes. Pick WT dim GFP and check for correct segregation of progeny to maintain.
AD266 C. elegans egg-4(tm1508) egg-5(ok1781) I/hT2 [bli-4(e937) let-?(q782) qIs48] (I;III). Show Description
Heterozygotes are WT with pharyngeal GFP signal, and segregate WT GFP, arrested hT2 aneuploids, and non-GFP tm1508 ok1781 homozygotes (maternal sterile). Homozygous hT2[bli-4 let-? qIs48] inviable. Pick WT GFP and check for correct segregation of progeny to maintain. Reference: Parry JM, et al 2009 Current Biology 19(20):1752-7.
AD281 C. elegans spe-45(as38) IV; him-5(e1490) V. Show Description
Him. Temperature-sensitive sterile. Small brood size even at permissive temperatures; pick fertile animals and maintain at 15C. Worms lacking spe-45 function produce morphologically normal and motile sperm that cannot fuse with oocytes despite direct contact in the reproductive tract. spe-45 hermaphrodites and males are subfertile at 16C and sterile at 25C. Reference: Singaravelu G, et al. Current Biology 2015. http://dx.doi.org/10.1016/j.cub.2015.10.055
ADS1002 C. elegans aeaIs10. Show Description
aeaIs10 [rgef-1p::GCaMP6s::3xNLS + lin-15(+)]. Worms express GCaMP6s in all neuronal nuclei. Pan-neuronal imaging strain; suitable for rapid whole-brain imaging due to brightness, good signal to noise ratio, and relative resistance to photo-bleaching. Reference: Susoy V, et al. Cell. 2021 Sep 30;184(20):5122-5137.e17. PMID: 34534446
AE501 C. elegans nhr-8(ok186) IV. Show Description
Approx. 1.3 kb deletion - does not remove entire coding region, might not be null allele. No overt morphological or behavioral abnormalities. Homozygotes are 2-3X more sensitive to colchicine and chloroquine than are N2 animals.
AF13(4) Oscheius akosreti Oscheius akosreti wild isolate. Show Description
Isolated in Memorial Park in Madison, WI. No hermaphrodites. Lots of SDS resistant dauers. Can survive between 15-28C, but grows very slowly at 15C.
AF72 Mesorhabditis spiculigera Show Description
Mesorhabditis spiculigera. Isolated in Pennsylvania. NOTE: (06/10/2016) AF72 was originally described as Mesorhabditis miotki, but K. Kiontke has determined through morphological inspection that this is actually a strain of Mesorhabditis spiculigera.
AF8130 Pristionchus sp. Show Description
Neodiplogasteridae: Pristionchus Iheritieri, Maupas, 1919. Isolated in Ontario, Canada. [9/98: Ralf Sommer has found this strain to be hermaphroditic. He had successful matings between AF8130 and PS312 Pristionchus pacificus, indicating that AF8130 is probably P. pacificus.]
AFS205 C. elegans zen-4(cle5) IV. Show Description
Temperature-sensitive embryonic-lethal mutant. Maintain at 15C. Shift L4s to 25C overnight to observe mutant phenotype of embryos produced by adults. Mutants lack a central spindle during early embryonic mitosis and exhibits a late cytokinesis defect (cleavage furrows regress after ingressing in nearly to the center of dividing embryonic cells). This strain can be used for CRISPR-Cas9 co-conversion. There is a causal mis-sense mutation present in zen-4(cle5), GAC to AAC (D520N), and one silent mutation, GCA to GCT at codon 519, that introduces an AluI site for RFLP analysis. A previous deposited version of this strain, zen-4(ok153), possessed two mis-sense mutations: GAC to AAC (D520N) and GAT to AAT (D735N). Reference: Farboud B, et al. Genetics Early online November 30, 2018; https://doi.org/10.1534/genetics.118.301775.
AFS222 C. elegans zen-4(cle10) IV. Show Description
Temperature-sensitive embryonic-lethal mutant. Maintain at 15C. Shift L4s to 25C overnight to observe mutant phenotype of embryos produced by adults. Mutants lack a central spindle during early embryonic mitosis and exhibits a late cytokinesis defect (cleavage furrows regress after ingressing in nearly to the center of dividing embryonic cells). This strain can be used for CRISPR-Cas9 co-conversion. There is a causal mis-sense mutation present in zen-4(cle10), GAC to AAC (D520N), and two silent mutations. One silent mutation is a CGA to CGG mutation at codon 523 that creates a recognition site for a Cas9 guide RNA, in order to use zen-4(cle10ts) as a CRISPR/Cas9 co-conversion marker. The other silent mutation is a GCA to GCT mutation at codon 519 that introduces an AluI site for RFLP analysis. Reference: Farboud B, et al. Genetics Early online November 30, 2018; https://doi.org/10.1534/genetics.118.301775.
AG151 C. elegans cdc-25.1(nr2036)/dpy-5(e61) unc-13(e450) I. Show Description
Heterozygotes are WT and segregate WT, DpyUncs and adult steriles. Original deletion from Axys Pharmaceuticals.
AG247 C. elegans tyms-1(tm2429) I/hT2 [bli-4(e937) let-?(q782) qIs48] (I;III). Show Description
Homozygous lethal deletion balanced by bli-4- and GFP-marked translocation. Heterozygotes are WT with pharyngeal GFP signal, and segregate WT GFP+, arrested hT2 aneuploids, and non-GFP tm2429 homozygotes (embryonic lethal). Homozygous hT2[bli-4 let-? qIs48] inviable. Pick WT GFP+ and check for correct segregation of progeny to maintain. Reference: Jaramillo-Lambert A, et al. G3 (2015).
AG248 C. elegans mus-101(tm1761) I/hT2 [bli-4(e937) let-?(q782) qIs48] (I;III). Show Description
Homozygous lethal deletion balanced by bli-4- and GFP-marked translocation. Heterozygotes are WT with pharyngeal GFP signal, and segregate WT GFP+, arrested hT2 aneuploids, and non-GFP tm1761 homozygotes (embryonic lethal). Homozygous hT2[bli-4 let-? qIs48] inviable. Pick WT GFP+ and check for correct segregation of progeny to maintain. Reference: Jaramillo-Lambert A, et al. G3 (2015).
AGD731 C. elegans uthEx299. Show Description
uthEx299 [aak-2 (genomic aa1-aa321)::GFP::unc-54 3'UTR + myo-2p::tdTomato]. Pick animals with red pharynx to maintain. Reference: Mair W, et al. Nature. 2011 Feb 17;470(7334):404-8.
AGD927 C. elegans uthIs270. Show Description
uthIs270 [rab-3p::xbp-1s (constitutively active) + myo-2p::tdTomato]. Pick animals with red pharynx to maintain. Reference: Taylor RC, Dillin A. Cell. 2013 Jun 20;153(7):1435-47.
AGK280 C. elegans zfp-1(ok554) unc-119(ed3) III; armEx14. Show Description
armEx14 [PHD1-PHD2::FLAG + zfp-1(short isoform) + unc-119(+)]. Pick non-Unc animals to maintain. The fosmid-based armEx14 transgene rescues zfp-1(ok554)/nDf17 lethality. Reference: Avgousti DC, et al. Mol Cell Biol. 2013 Mar;33(5):999-1015.
AGK369 C. elegans zfp-1(ok554) III; armIs8. Show Description
armIs8 [zfp-1(short isoform)::FLAG::GFP + rol-6(su1006)]. Rollers. The fosmid-based armIs8 transgene rescues the protruded vulva phenotype of zfp-1(ok554). Ubiquitous nuclear localization of zfp-1(long isoform)::FLAG::GFP is observed in somatic cells in all developmental stages, but is silenced in the germline. See AGK26 for germline-expressing zfp-1::GFP. Reference: Avgousti DC, et al. Mol Cell Biol. 2013 Mar;33(5):999-1015.
AGK573 C. elegans otIs225 II; daf-18(ok480) IV; armEx218. Show Description
otIs225 [cat-4::GFP] II. armEx218 [unc-119p::daf-18 + unc-119p::tagRFP + rol-6(su1006)]. Pick Rollers to maintain. Transgenic array expresses DAF-18 from unc-119 pan-neuronal promoter; rescues the HSN under-migration phenotype in daf-18 null mutants. Reference: Kennedy LM, et al. Cell Rep. 2013 Sep 12;4(5):996-1009.
AH3437 C. elegans tln-1(zh117[gfp::tln-1]) I. Show Description
Wild-type morphology. Endogenous GFP reporter for tln-1. Reference: Walser M, et al. PLoS Genet. 2017 Jan 30;13(1):e1006592.
AM141 C. elegans rmIs133. Show Description
rmIs133 [unc-54p::Q40::YFP]. AM141 animals show a soluble Q40::YFP distribution in body wall muscle cells immediately after hatching. As these worms age the rapid formation of foci is observed. When they reach adulthood, AM141 animals show an entirely Q40::YFP aggregated phenotype.
AMH50 C. elegans juIs76; bec-1(ok691) IV/nT1 [qIs51] (IV;V). Show Description
juIs76 [unc-25p::GFP + lin-15(+)] II.  Heterozygotes are wild-type with pharyngeal GFP signal, and segregate WT GFP, arrested nT1[qIs51] aneuploids, and non-pharyngeal GFP bec-1 homozygotes. Homozygous nT1[qIs51] inviable. Pick WT GFP and check for correct segregation of progeny to maintain.
AMH57 C. elegans unc-33(mn407); olaEx3013. Show Description
olaEx3013 [ttx-3p:mCherry::eGFP::lgg-1 + unc-122p::mCherry]. Pick animals with mCherry+ coelomocytes to maintain array. Unc. Tandem tags on LGG-1 label immature autophagosomes with both GFP and mCherry, but because GFP is preferentially quenched in an acidic environment, mature structures lose their GFP signal and display solely mCherry signal. Reference: Hill SE & Colon-Ramos D. 2018 bioRxiv 287144; doi: https://doi.org/10.1101/287144
AMH59 C. elegans unc-33(e204); olaEx3013. Show Description
olaEx3013 [ttx-3p:mCherry::eGFP::lgg-1 + unc-122p::mCherry]. Pick animals with mCherry+ coelomocytes to maintain array. Paralyzed Unc. Tandem tags on LGG-1 label immature autophagosomes with both GFP and mCherry, but because GFP is preferentially quenched in an acidic environment, mature structures lose their GFP signal and display solely mCherry signal. Reference: Hill SE & Colon-Ramos D. 2018 bioRxiv 287144; doi: https://doi.org/10.1101/287144
AMH91 C. elegans unc-104(e1265) II; olaEx3013. Show Description
olaEx3013 [ttx-3p::mCherry::eGFP::lgg-1 + unc-122p::mCherry]. Pick animals with mCherry+ coelomocytes to maintain array. Unc. Slow moving. Tandem tags on LGG-1 label immature autophagosomes with both GFP and mCherry, but because GFP is preferentially quenched in an acidic environment, mature structures lose their GFP signal and display solely mCherry signal. Reference: Hill SE & Colon-Ramos D. 2018 bioRxiv 287144; doi: https://doi.org/10.1101/287144
AML1 C. elegans zfIs18; zfIs42. Show Description
zfIs18 [mec-4p::ChR2::YFP]. zfIs42 [rig-3p::GCaMP3::SL2::mCherry]. Pick mCherry+ animals to maintain strong expression from zfIs42. Worm expresses light-sensitive Channelrhodopsin (ChR2) and yellow fluorescent protein (YFP) in mechanosensory neurons, ALMR/L, AVM, PLML/R, and PVM. When fed all-trans retinal, blue light stimulation (473 nm at 2 mW * mm^-2) of head induces reversals. GCaMP3 and and mCherry expression in command interneurons AVA, and nearby pharyngeal neurons I1, I4, M4, NSM. Worms were made by crossing the integrated strains QW309 and QW625. Reference: Shipley FB, et al. Front Neural Circuits. 2014 Mar 24;8:28.
ANA65 C. elegans adeIs1 II; unc-119(ed3) III. Show Description
adeIs1 [mex-5::spd-1::GFP + unc-119(+)] II. The transgene has been inserted on chromosome II, using the MosSCI technique. This strains expresses the SPD-1 protein fused to GFP in the germline (both males and females) and in embryos. SPD-1 is nucleolar in interphase and labels the central spindle in mitosis and meiosis, later accumulating at the midbody. Reference: Nahaboo W, et al. Mol Biol Cell. 2015 Jun 1;26(11):2020-9. doi: 10.1091/mbc.E14-12-1577.
AR1 C. elegans hcp-6(mr17) I. Show Description
15C: no phenotype. 26C: shifted as L4 or later results in 100% embryonic lethality; shifted before L4 results in Unc and Sterile animals. Intermediate phenotypes between 20-23C.
AR2 C. elegans hcp-6(mr17) unc-73(e936) I. Show Description
Unc at all temperatures. For hcp-6: 15C: no phenotype. 26C: shifted as L4 or later results in 100% embryonic lethality; shifted before L4 results in Unc and Sterile animals. Intermediate phenotypes between 20-23C.
AS270 C. elegans gly-12(id47) X. Show Description
Phenotypically WT. F3.2 See also WBPaper00005927.
AS271 C. elegans gly-14(id48) III. Show Description
Phenotypically WT. M8ns. See also WBPaper00005927.
AT10 C. elegans srf-3(yj10) IV. Show Description
Superficially wild-type. Antibody staining required to observe phenotype. Contains at least one extraneous mutation in the background (Eur. Worm Mtg 2006, Venuz et al.).
AT18 C elegans srf-6(yj13) II. Show Description
No visible phenotype. Whole genome sequenced strain. Reference: Grenache DG, et al. Proc Natl Acad Sci U S A. 1996 Oct 29;93(22):12388-93.
AT24 C. elegans srf-6(yj15) II. Show Description
No visible phenotype. Whole genome sequenced strain.
AT25 C elegans srf-6(yj41) II. Show Description
No visible phenotype. Whole genome sequenced strain.
AT28 C. elegans kyIs140 I; srf-6(yj13) unc-4(e120) II. Show Description
kyIs140 [str-2::GFP + lin-15(+)] I. Kinker; can't back up. srf-6 mutants express str-2::GFP in both AWC neurons (2AWC ON phenotype; wild-type phenotype is 1AWC ON): check for this phenotype to avoid reversion of srf-6(yj13). srf-6 mutants were originally identified by binding of an L1-specific antibody in later larval stages (L1-L4).
AT30 C. elegans kyIs140 I; nsy-1(ok593) unc-4(e120) II. Show Description
kyIs140 [str-2::GFP + lin-15(+)] I. nsy-1(ky593) has no visible phenotype, but can be tracked by linked Unc-4 phenotype (Kinker, can't back up). str-2::GFP is expressed in both AWC neurons.
AT6 C. elegans srf-2(yj262) I. Show Description
Superficially wild-type. Antibody staining required to observe phenotype.
ATD6 C. elegans par-6(zu222) unc-101(m1)/hIn1[unc-54(h1040)] I; unc-119(ed3) III; zuIs45 V. Show Description
zuIs45 [nmy-2p::nmy-2::GFP + unc-119(+)] V. Balanced worms are wild-type and segregate wild-type (heterozygotes), Coil Par (par-6 unc-101 homozygotes; maternal effect lethal), and paralyzed Unc (hIn1 homozygotes). Par phenotype is slightly leaky, but survivors are agametic. NMY-2::GFP is expressed in the germline and somatic gonad. Cross of JJ1473 and KK818. Unknown if unc-119(ed3) is still present or homozygous in background. Reference: Small LE & Dawes AT. Mol Biol Cell. 2017 Aug 1;28(16):2220-2231.
AU133 C. elegans agIs17 IV. Show Description
agIs17 [myo-2p::mCherry + irg-1p::GFP] IV. GFP in pharynx and intestine that turns on upon infection with pathogenic Pseudomonas aeruginosa strain PA14. Reference: Dunbar TL, et al. Cell Host Microbe. 2012 Apr 19;11(4):375-86.
AUM1054 C. elegans gsk-3(tm2223) I/hT2[bli-4(e937) let-?(q782) qIs48] (I;III). Show Description
Homozygous sterile mutation balanced by bli-4- and GFP-marked translocation. Heterozygotes are WT with pharyngeal GFP signal, and segregate WT GFP, arrested hT2 aneuploids, and non-GFP sterile tm2223 homozygotes. Homozygous hT2[bli-4 let-? qIs48] inviable. Pick WT GFP and check for correct segregation of progeny to maintain. Reference: Furuta T, et al. Development. 2018 May 14;145(10). pii: dev161042. doi: 10.1242/dev.161042.
AV112 C. elegans mre-11(ok179) IV/nT1 [unc-?(n754) let-?] (IV;V). Show Description
Heterozygotes are Unc and segregate Uncs (heterozygotes), non-Unc mre-11 homozygotes, and dead eggs (nT1 homozygotes). mre-11 homozygotes produce about 200 fertilized eggs but only about 2-3% of these eggs survive to adulthood (this mutation cannot be maintained in a homozygous condition). Occasionally non-Unc progeny that do not demonstrate the mre-11(ok179) mutant phenotype arise when grown in large liquid cultures. mre-11 is the predicted gene ZC302.1
AV125 C. elegans spe-8(hc40) I; dpy-4(e1166) IV. Show Description
Can be maintained by chunking or setting up male/hermaphrodite crosses. Dpy.
AV157 C. elegans spo-11(me44)/nT1 [unc-?(n754) let-? qIs50] (IV;V). Show Description
Balanced heterozygotes are GFP+ Unc and segregate GFP+ Unc (heterozygotes), non-GFP non-Unc spo-11(me44) homozygotes, and dead eggs (nT1 homozygotes). spo-11(me44) homozygotes are viable and produce more than 90% dead eggs (a large fraction of the survivors are males — strong Him phenotype); cytologically they lack chiasmata in diakinesis-stage oocytes and lack RAD-51 foci. Maintain by picking Unc.
AV271 C. elegans him-3(me80)/nT1 [unc-?(n754) let-? qIs50] (IV;V). Show Description
Balanced heterozygotes are GFP+ Unc and segregate GFP+ Unc (heterozygotes), non-GFP non-Unc him-3(me80) homozygotes, and dead eggs (nT1 homozygotes). him-3(me80) homozygotes are viable and non-Unc. They produce more than 85% dead eggs and a large fraction (11%) of the survivors are males (Him phenotype). Cytologically they exhibit a reduced level of HIM-3 loading and fewer stretches of SYP-1 than WT. In diakinesis-stage oocytes, they contain a mixture of bivalents and univalents. Maintain by picking Unc.
AV276 C. elegans syp-2(ok307) V/nT1 [unc-?(n754) let-?(m435)] (IV;V). Show Description
Balanced heterozygotes are Unc and segregate Unc (heterozygotes), non-Unc syp-2(ok307) homozygotes, and dead eggs (nT1 homozygotes). syp-2(ok307) homozygotes are viable and non-Unc. They produce 96% dead eggs and 44% males; cytologically they lack chiasmata in diakinesis-stage oocytes, exhibit persistent polarized nuclear organization during earlier meiotic prophase, lack synaptonemal complexes, and exhibit unstable pairing of homologous chromosomes.
AV307 C. elegans syp-1(me17) V/nT1 [unc-?(n754) let-? qIs50] (IV;V). Show Description
Balanced heterozygotes are GFP+ Unc and segregate GFP+ Unc (heterozygotes), non-GFP non-Unc syp-1(me17) homozygotes, and dead eggs (nT1 homozygotes). syp-1(me17) homozygotes produce 95% dead embryos and 38% males. Cytologically they lack chiasmata in diakinesis-stage oocytes, exhibit persistent polarized nuclear organization during earlier meiotic prophase, lack synaptonemal complexes, and exhibit unstable pairing of homologous chromosomes. qIs50 is an insertion of ccEx9747 with markers: myo-2::GFP expressed brightly in the pharynx throughout development, pes-10::GFP expressed in embryos, and a gut promoter (F22B7.9) driving GFP in the intestine.