Male-female strain. Low fecundity and fitness. PX356 is an inbred strain derived from EM464. Reference: Fierst JL, et al. PLoS Genet. 2015 Jun 26;11(6):e1005323. doi: 10.1371/journal.pgen.1005323. PMID: 26114425.

Inbred strain with low fecundity and fitness. Originally collected in Wuhan, China. Reference: Adams PE, et al. Mol Biol Evol. 2023 Mar 4;40(3):msad039. doi: 10.1093/molbev/msad039. PMID: 36807460.

fxSi1 [pie-1p::TIR-1::mRuby::unc-54 3' UTR + loxP, I: 2851003] I. Degron tag was inserted into the endogenous spe-44 locus in the JU2526 wild isolate background, allowing auxin-inducible spermatogenesis arrest and reversible male sterility. Reference: Kasimatis, KR et al. (2020) Post-Insemination Selection Dominates Pre-Insemination Selection in Driving Male Competitive Ability. bioRxiv doi: https://doi.org/10.1101/2021.06.23.449605

fxIs47 [rps-0p::5’ (delta)HygR::GCGAAGTGACGGTAGACCGT::3’ (delta)HygR::unc-54 3’::LoxP, II:8420157]. Phenotypically wild-type strain carrying a landing pad for barcode integrations. Reference: Stevenson ZC, et al. bioRxiv 2022.10.30.514301; doi: https://doi.org/10.1101/2022.10.30.514301. Paper accepted at eLife.

oyIs14 [sra-6::GFP + lin-15(+)].

oyls17 [gcy-8p::GFP + lin-15(+)]. AFD neurons are marked with GFP. Used by CeNGEN project for RNA-Seq (https://www.cengen.org/).

oyIs17 [gcy-8p::GFP + lin-15(+)] V. Thermotaxis defective. Reduced gcy-8::GFP expression in AFD at 25C.

oyIs17 [gcy-8p::GFP + lin-15(+)] V. Thermotaxis defective. Reduced gcy-8::GFP expression in AFD at 25C.

oyIs18 [gcy-8::GFP]. GFP in AFD.

oyEx45 [nhr-82::GFP + coelomocyte::GFP]. N2 line injected. Maintain by picking GFP+.

oyEx38 [nhr-77::GFP, coelomocyte::GFP]. N2 line injected. Maintain by picking GFP+.

Thermotaxis defective.

oyIs44 [odr-1::RFP + lin-15(+)]. Bright RFP in AWB and AWC.

Superficially wild-type. Reduced dauer formation in response to specific ascarosides. Reference: Kim K, et al. Science. 2009 Nov 13;326(5955):994-8.

Superficially wild-type. Reduced dauer formation in response to specific ascarosides. Reference: Kim K, et al. Science. 2009 Nov 13;326(5955):994-8.

ytEx100 [mel-47(3245 bp rescuing fragment) + rol-6(su1006)]. Maintain by picking Rollers. Animals which have lost the transgene look wt but are fully penetrant Mel. Mutant embryos arrest with less than 100 cells.

ytEx209 contains [pRM8 (mel-46+) + pTG96(sur-5::GFP)]. GFP minus worms are Mel or sterile at 25 C (completely penetrant). Strong but not fully penetrant Mel at 15 C. Culture at 20°C or higher in order not to lose the transgene. To start a yt5 homozygous culture transfer several GFP minus worms to 15°C.

ytEx211 contains [pRM8(mel-46+) + pTG96(sur-5::GFP)]. Larval lethal. GFP minus worms die or arrest as L4 larvae.

Small brood size, reduced adult length, reduced locomotion and reduced life span. Maintain at 25°C. Unable to grow at 15°C. Withered tail-tip phenotype at 20°C and 25°C. Reference: Svensson E, et al. PLoS One. 2011;6(6):e21343.

Superficially wild-type. Slight decrease in brood size and locomotion speed. Reference: Svensson E, et al. PLoS One. 2011;6(6):e21343.

sa580 is a G-to-A transition that changes a glycine at position 965 to a glutamate in MIG-6. Reference: Jafari M, et al. (2010) Genetics 186:969-982.

Maintain at 20-25C. Cold-sensitive; inviable at 15C. Glucose-sensitive; will die on 20 mM glucose when grown on OP50. Characteristic withered tail tip defect. Reference: Svensk E, et al. PLoS Genet. 2016 Apr 15;12(4):e1005982.

Maintain at 20-25C. Cold-sensitive; inviable at 15C. Glucose-sensitve; will die on 20 mM glucose when grown on OP50. Characteristic withered tail tip defect. Reference: Svensk E, et al. PLoS Genet. 2016 Apr 15;12(4):e1005982.

Maintain at 20-25C. Cold-sensitive; inviable at 15C. Glucose-sensitve; will die on 20 mM glucose when grown on OP50. Characteristic withered tail tip defect. Reference: Svensk E, et al. PLoS Genet. 2016 Apr 15;12(4):e1005982.

Maintain at 20-25C. Cold-sensitive; inviable at 15C. Glucose-sensitive; will die on 20 mM glucose when grown on OP50. Characteristic withered tail tip defect. Reference: Svensk E, et al. PLoS Genet. 2016 Apr 15;12(4):e1005982.

Maintain at 20-25C. Cold-sensitive; inviable at 15C. Glucose-sensitve; will die on 20 mM glucose when grown on OP50. Characteristic withered tail tip defect. Reference: Svensk E, et al. PLoS Genet. 2016 Apr 15;12(4):e1005982.

This double mutant strain contains an excess polyunsaturated fatty acids in its cell membranes accompanied by excess lipid peroxidation, cell permeability, increased autophagy and other defects. The nhr-49(et8) C9873765T [WS200] mutation can be detected by PCR using the following primers: nhr-49 Fwd: 5’-CAGATTATGATTCGTGATGCTAGA-3; nhr-49 WT Rev: 5’-GAGATGAAAGATGTTGCTGTAGAG-3; nhr-49 Mut Rev: 5’-GAGATGAAAGATGTTGCTGTAGAA-3’. Annealing 65°C, expected products ~300 bp. The mdt-15(et14) C5832666T [WS200] mutation can be detected by PCR using the following primers: mdt-15(et14) Mut Fwd: 5’-GTGCCTCCAGATCCACAGCT-3’; mdt-15(et14) WT Fwd: 5’-GTGCCTCCAGATCCACAGCC-3’; mdt-15 Rev: 5’-CACCCATTGGAGCACCACT-3’. Annealing 65°C, expected product ~400 bp. Reference: Devkota R, et al. Genetics (in press). Volume 219, Issue 1, September 2021. https://doi.org/10.1093/genetics/iyab093

This triple mutant strain contains an excess polyunsaturated fatty acids in its cell membranes accompanied by excess lipid peroxidation, cell permeability, increased autophagy and other defects. The acs-13(et54) mutation (G125R) can be detected using PCR with the following primers: WT FWD: 5´CTA CCA GGG TGT TCG CCA TG 3; acs-13 mutant FWD: 5´CTA CCA GGG TGT TCG CCA TA 3; acs-13 REV: 5´TCA AAC TTG GGC ATT GCT CC 3´. Annealing 65°C, expected product 395 bp. The nhr-49(et8) C9873765T [WS200] mutation can be detected by PCR using the following primers: nhr-49 Fwd: 5’-CAGATTATGATTCGTGATGCTAGA-3; nhr-49 WT Rev: 5’-GAGATGAAAGATGTTGCTGTAGAG-3; nhr-49 Mut Rev: 5’-GAGATGAAAGATGTTGCTGTAGAA-3’. Annealing 65°C, expected products ~300 bp. The mdt-15(et14) C5832666T [WS200] mutation can be detected by PCR using the following primers: mdt-15(et14) Mut Fwd: 5’-GTGCCTCCAGATCCACAGCT-3’; mdt-15(et14) WT Fwd: 5’-GTGCCTCCAGATCCACAGCC-3’; mdt-15 Rev: 5’-CACCCATTGGAGCACCACT-3’. Annealing 65°C, expected product ~400 bp. Reference: Devkota R, et al. Genetics (in press). Volume 219, Issue 1, September 2021. https://doi.org/10.1093/genetics/iyab093

Reference: Ohta H, et al. Genetics. 2008 Oct;180(2):785-96.

Caenorhabditis sp. 15 Isolated in Kaui (Hawaii) from unidentified wild rotten fruit.

Male/Female, maintain by mating. Isofemale line isolated from rotting pwuhr fruit (Fagraea berteroana) in Kitti, Pohnpei, Micronesia (N 6.9066, E 158.1817), December 2023. Gonochoristic species in the Elegans Group (sister to C. kamaaina + C. oiwi). Reference: Rockman M, et al. 2024. New species from Pohnpei, Micronesia. In preparation.

Male/Female, maintain by mating. Isofemale line isolated from rotting breadfruit flowers in Kitti, Pohnpei, Micronesia (N 6.8632, E 158.1765), December 2023. Gonochoristic species in the Japonica Group. Reference: Rockman M, et al. 2024. New species from Pohnpei, Micronesia. In preparation.

Male/Female, maintain by mating. Isofemale line isolated from rotting Citrus aurantifolia in Kitti, Pohnpei, Micronesia (N 6.8652, E 158.173), December 2023. Gonochoristic species in the Japonica Group. Reference: Rockman M, et al. 2024. New species from Pohnpei, Micronesia. In preparation.

Male/Female, maintain by mating. Isofemale line isolated from a rotting fruit at the Botanical Garden in Kolonia, Pohnpei, Micronesia (), December 2023. Gonochoristic species in the Japonica Group. Reference: Rockman M, et al. 2024. New species from Pohnpei, Micronesia. In preparation.

Male/Female, maintain by mating. Isofemale line isolated from rotting kotop (Clinostigma ponapensis) fruit in Kitti, Pohnpei, Micronesia (N 6.8577, E 158.2156), December 2023. Gonochoristic species in the Japonica Group. Reference: Rockman M, et al. 2024. New species from Pohnpei, Micronesia. In preparation.

Isolated by Annalise Paaby from an orange peel collected beneath a fig tree on State Street, Santa Barbara, CA (34.421629, -119.702021) in July 2010.

Isofemale line. Isolated by M. Rockman from a rotting palm fruit (?) on the Snyder-Molino trail on Barro Colorado Island, Panama (9°09.656' N, 79°50.490'W) on 4/24/12. Previously known as Caenorhabditis sp. 28.

Isofemale line. Isolated by M. Rockman from a rotten Gustavia superba flower on Barro Colorado Island, Panama (9°09.222'N, 79°49.564'W) on 4/25/12. Previously known as Caenorhabditis sp. 29.

xkIs99 [wrt-2p::rde-1::unc-54 3'UTR]. NOTE: This strain was originally published as JM43 in Melo JA, Ruvkun G. Reference: Melo JA, Ruvkun G. Cell. 2012 Apr 13;149(2):452-66.

Increased lethality and male frequency. Synthetic lethal with helq-1(tm2134). Sensitive to camptothecin. Interacts with rip-1 and rfs-1. Reference: McClendon TB, et al. Genetics. 2016 May;203(1):133-45.

Gin is Glucose INtolerant. gin-1(cv10) is a Diet/nutrition-dependent maternal effect embryonic lethal. Lethality is significantly increased with growth on OP50 seeded on glucose supplemented plates. Grown on HB101, HT115 or fresh OP50 (seeded less than five days)

mcIs50 [lin-26p::vab-10(actin-binding domain)::GFP + myo-2p::GFP + pBluescript]. Variably Abnormal with body shape defects and bobbed tail at all stages. Reference: Vuong-Brender TTK, et al. PLoS One. 2018 Feb 21;13(2):e0193279.

Mitani Laboratory allele. Gro, Maternal-effect, diet/nutrition-dependent embryonic lethal. Strain segregates near 100% lethality when grown on glucose, UV-treated OP50, older OP50, and DA837. Lethality is suppressed on fresh OP50 (less than 5 days from seeding), HB101, and HT115.

Maternal-effect, diet/nutrition-dependent embryonic lethal. Strain segregates increased embryonic lethality when grown on glucose, UV-treated OP50, older OP50, and DA837. Lethality is suppressed on fresh OP50 (less than 5 days from seeding), HB101, and HT115.

Gin is Glucose INtolerant. gin-2(cv11) is a Diet/nutrition-dependent maternal effect embryonic lethal. Lethality is significantly increased with growth on OP50 seeded on glucose supplemented plates. 20C, Grown on HB101, HT115 or fresh OP50 (seeded less than five days).

Tail whip knobbed at all stages except adult male (adult male tail tip slightly swollen). Reference: Simske JS, et al. Nat Cell Biol. 2003 Jul;5(7):619-25.

vhIs24 [vha-6p::GFP::rab-5 Q78L + Cbr-unc-119(+)].  Large endosomes in the intestinal cells.

Large yolk platelets in oocytes. Premature yolk degradation in embryos. Large endosomes in coelomocytes and intestine. Reference: Chotard L, et al. Mol Biol Cell. 2010 Jul 1;21(13):2285-96.

C. briggsae wild isolate from Montreal, Canada (C. Rocheleau).

izEx5 [lgg-1p::GFP::lgg-1 + odr-1p::RFP]. Pick RFP+/GFP+ animals to maintain. Reference: Lapierre LR, Curr Biol. 2011 Sep 27;21(18):1507-14.