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Strain Species Genotype
WM193 C. elegans csr-1(tm892) IV; neIs20. Show Description
neIs20 [pie-1::3xFLAG::csr-1 + unc-119(+)]. Partially rescues sterility (60% dead embryos). Unknown if unc-119(ed3) is still present in the background. Reference: Claycomb J, et al. 2009 Cell 139:123-34.
WM194 C. elegans csr-1(tm892) IV; neIs20. Show Description
neIs20 [pie-1::GFP::csr-1 + unc-119(+)]. Partially rescues sterility (60% dead embryos). Unknown if unc-119(ed3) is still present in the background. Reference: Claycomb J, et al. 2009 Cell 139:123-34.
OD4028 C. elegans ltSi240 II; unc-119(ed3) III; csr-1(tm892) IV. Show Description
ltSi240 [csr-1p::csr-1(re-encoded) + Cbr-unc-119(+)] II. The csr-1 coding sequence in the transgene was re-encoded for RNAi-resistance (see Gerson-Gurwitz A, et al. Cell. 2016, Supplementary Figure S3A). [NOTE: it is not known if unc-119(ed3) is still present in the background of this strain.] Derived from strain OD1463; transgene rescues csr-1, so the balancer is not needed to maintain transgenic strain. Reference: Gerson-Gurwitz A, et al. Cell. 2016 Apr 7;165(2):396-409.
WM182 C. elegans csr-1(tm892) IV/nT1 [unc-?(n754) let-?] (IV;V). Show Description
Heterozygotes are Unc. csr-1(tm892) homozygotes are non-Unc and Sterile.
ZT3 C. elegans csr-1(fj54) IV/nT1 [qIs51] (IV;V). Show Description
Heterozygotes are WT and GFP+. csr-1 homozygotes are basically sterile, but some of them occasionally lay a small number of dead eggs. The fj54 mutation deletes a 524 bp region including half of the second exon, the third exon, and almost all of the fourth exon, causing a frame shift to stop the translation of both PAZ and Piwi domains. The deletion can be checked by PCR with the following primers: AAGAAATACCAATGCGGAGGCA and TTCACGGCTCTTTGCAGTTTCA. Homozygous nT1[qIs51] inviable.
OD4027 C. elegans ltSi448 II; unc-119(ed3) III; ltIs37 csr-1(tm892) IV. Show Description
ltSi448 [csr-1p::GFP::csr-1(re-encoded; GFP inserted after aa #5 of isoform b) + Cbr-unc-119(+)] II. ItIs37 [pie-1p::mCherry::his-58 + unc-119(+)] IV. The csr-1 coding sequence in the transgene was re-encoded for RNAi-resistance (see Gerson-Gurwitz A, et al. Cell. 2016, Supplementary Figure S3A). [NOTE: it is not known if unc-119(ed3) is still present in the background of this strain.] Derived from strain OD1764; transgene rescues csr-1, so the balancer is not needed to maintain transgenic strain. Reference: Gerson-Gurwitz A, et al. Cell. 2016 Apr 7;165(2):396-409.
WM214 C. elegans avr-14(ad1302) I; csr-1(tm892)/nT1 [unc-?(n754) let-?] IV; avr-15(ad1051) glc-1(pk54))/nT1 V; axIs36 X. Show Description
axIs36 [pes-10::GFP]. Heterozygotes are Unc and sensitive to ivermectin. Segregates csr-1 homozygotes (sterile, non-Unc, resisitant to ivermectin), dead embryos, and Unc heterozygotes. Maintain by picking Uncs. Do not distribute this strain; other labs should request it directly from the CGC. Reference: Claycomb JM, et al. Cell. 2009 Oct 2;139(1):123-34.
JMC101 C. elegans csr-1(tor67[gfp::3xflag::csr-1]) IV . Show Description
GFP and 3xFLAG tags inserted into second exon of endgonenous csr-1 locus; tags both isoforms. Reference: Ouyang JPT, et al. Dev Cell. 2019 Sep 23;50(6):716-728.e6. PMID: 31402283
JMC151 C. elegans csr-1(tor160[csr-1 exon1::GFP::FLAG (IV:7957568)]) IV . Show Description
GFP and 3xFLAG tags inserted into first exon of endgonenous csr-1 locus (IV:7957568); specifically tags a-isoform.
JMC164 C. elegans csr-1(tor67[csr-1 exon2::GFP::FLAG IV:7958598]csr- 1(mg660[G120*]) IV) IV . Show Description
Null allele of csr-1 with GFP and 3xFLAG tags inserted into second exon of endgonenous csr-1 locus. tor67 would normally tag both long and short isoforms, but the mg660 allele introduces a stop codon into the first exon so the long isoform is not made and only tagged CSR-1B isoform is produced.
JMC245 C. elegans alg-4(tm1184) III; csr-1(tor67[csr-1 exon2::gfp::3xflag (IV:7958598)], csr-1(mg660[G120*])) alg-3(tm1155) IV; wago-10(tor133) V. Show Description
Quadruple mutant of four spermatogenesis-specific ago genes. Reference: Charlesworth AG, et al. Nucleic Acids Res. 2021 Sep 7;49(15):8836-8865. PMID: 34329465
OD923 C. elegans ltSi240 II; unc-119(ed3) III. Show Description
ltSi240 [csr-1p::csr-1(re-encoded) + Cbr-unc-119(+)] II. The csr-1 coding sequence in the transgene was re-encoded for RNAi-resistance (see Gerson-Gurwitz A, et al. Cell. 2016, Supplementary Figure S3A). Reference: Gerson-Gurwitz, et al. Cell. 2016 Apr 7;165(2):396-409.
OD925 C. elegans ltSi242 II; unc-119(ed3) III. Show Description
ltSi242 [csr-1p::csr-1(re-encoded; D606A, D681A: isoform b numbering) + Cbr-unc-119(+)] II. The csr-1 coding sequence in the transgene was re-encoded for RNAi-resistance (see Gerson-Gurwitz A, et al. Cell. 2016, Supplementary Figure S3A). Reference: Gerson-Gurwitz, et al. Cell. 2016 Apr 7;165(2):396-409.