Search Strains

Complete CRISPR/Cas-9 knock-out (2317bp deletion) of the gene nlp-42(Y80D3A.10). Two times backcrossed with N2. Homozygous. Superficial wild-type. Primers for crossing: Fwd: cgagacttttaaccccgtcg InFwd: aaagcccatgacttgctgaa Rev: gctcaggtggttagagggtt Wild-type bands: 580bp, 2652bp. Mutation band: 335bp.

cshIs140 [rps-28p::TIR1(F79G)::T2A::mCherry::his-11 + Cbr-unc-119(+)] II. ieSi58 [eft-3p::AID*::GFP::unc-54 3'UTR + Cbr-unc-119(+)] IV. Ubiquitously expressed single copy, modified TIR1 allele, TIR1(F79G) that is compatible with 5-PH-IAA and can be used to deplete auxin-induced degradation-tagged (AID-tagged) proteins. Efficiently depletes target proteins at 1 µM 5-Ph-IAA. Nuclear localized mCherry co-expression marker. Reference: Hills-Muckey et al. Genetics. 2022 Feb 4;220(2):iyab174. doi: 10.1093/genetics/iyab174. PMID: 34739048.

Mos1 transposon insertion: Y38C1AB (at position 8906) acacctggtaCAACTGGTTTAGAATAATTTAGAAATTACAA. Mos1 sequence is in lowercase.

Mos1 transposon insertion: F57F4 (at position 15459) acacctggtaGTCTCTTCAAGGAAGAACAATGAGAAATAA. Mos1 sequence is in lowercase.

Mos1 transposon insertion: frP8: H14A12 (at position 9047) acacctggtaTACAATTTTGATTTCAGAAAGTTCTCTGAC, and frP9: Y45F3A (at position 220) acacctggtaGAATTGTTCGAACAAGCTTCAACGAGAAAGCAA. Mos1 sequence is in lowercase.

Mos1 transposon insertions: frP11: F31C3 (at position 26364) acacctggtaTCGGAGGAGCTGCCAAATGGCGTCCGACTT. frP12: F01E11 (at position 3748) acacctggtaCAATCGAAAATCATTGAAATCAGTTAACAG. frP13: Y38E10A (at position 40384) acacctggtaTAGCTAGAGGACTGTCCCGGTCTAAAATGA. frP14: F53A2 (at position 34332) acacctggtaTATTATAAAAGATGTATGAAATGTCGTGAA. Mos1 sequence is in lowercase.

Mos1 transposon insertions: frP18: K03H4 (at position 19156) acacctggtaGAATGGATGAGGTTGAAAGTGACGAAGAAAA. frP19: F35H8 (at position 15891) acacctggtaGTTTACTCATATTTCTTTCCTCTCTTCTTC. frP20: T14B4 (at position 25648) acacctggtaTGCAAATATGGTTAATGTAAGGCATTTTTG. Mos1 sequence is in lowercase.

RNAi-capable OP50 strain. Tetracycline & Chloramphenicol resistant. Uracil auxotroph. E. coli B. Biosafety Level: BSL-1. Standard OP50 (CGC) was rendered RNAi competent through two modifications by phage transduction. The OP50 RNase III (rnc) allele was replaced with the deletion allele (rnc14::?Tn10) found in HT115(DE3), and a genomically encoded IPTG-inducible T7 RNA polymerase (lacz?A::T7pol camFRT) was introduced. Reference: Neve IAA, et al. G3 (Bethesda). 2019 Nov 11. pii: g3.400741.2019.

Homozygous viable. Deletion of 2572 bp in parental strain N2. Left flanking sequence: atctatttttttaaggccgaac; Right flanking sequence: tattggcagcaagcgttgcgaa. sgRNA #1: ccatacgttgttgtggagtt; sgRNA #2: tgtgaagcggaaaaccctat.

Homozygous viable. Deletion of 247 bp in parental strain N2.Deletion appears to have occurred at the sgRNA #2 cut site. Left flanking sequence: tttataggaatttcaggaat; Right flanking sequence: ttccgtcaccttccgtcaaa. sgRNA #1: aaatgataagaagccaaagc; sgRNA #2: tttgtgtttatgacgagctc.

Homozygous sterile. Balanced by nT1[qIs51]. Deletion of 3471 bp in parental strain N2. Left flanking sequence: tgatcactcacagttccctgg; Right flanking sequence: gaatggatatgatgatgtatat. sgRNA #1: atgttcgtggaacgacacca; sgRNA #2: aggataaactctctcttgaa.

wrdSi58 [eft-3p::TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (II:0.77). Pan-somatic expression of TIR1 co-factor for AID, and expression of AID-tagged blue protein in somatic nuclei. jsSi1579 is an RMCE landing pad inserted at a sgRNA site 45 bp from the ttTi5605 insertion site. It contains an rpl-28p::GFP reporter flanked by FRT and FRT3 sites and a loxP site (for more details about landing pads, see Nonet, 2020.Genetics or visit https://sites.wustl.edu/nonetlab/rmce/). Reference: Vo AA, et al. MicroPubl Biol. 2021 Aug 3;2021:10.17912/micropub.biology.000425. doi: 10.17912/micropub.biology.000425. eCollection 2021. PMID: 34355140

wrdSi57 [^SEC^eft-3p:TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (II:0.77). Pick Rollers to maintain. Pan-somatic expression of TIR1 co-factor for AID, and expression of AID-tagged blue protein in somatic nuclei. Self-excising cassette with Rol and HygroR markers still in strain to facilitate crosses. Heat-shock to remove SEC as described in Dickinson et al. 2015. jsSi1579 is an RMCE landing pad inserted at a sgRNA site 45 bp from the ttTi5605 insertion site. It contains an rpl-28p::GFP reporter flanked by FRT and FRT3 sites and a loxP site (for more details about landing pads, see Nonet, 2020.Genetics or visit https://sites.wustl.edu/nonetlab/rmce/). Reference: Vo AA, et al. MicroPubl Biol. 2021 Aug 3;2021:10.17912/micropub.biology.000425. doi: 10.17912/micropub.biology.000425. eCollection 2021. PMID: 34355140

mScarlet::3xMyc tag inserted at the C-terminus of the endogenous nhr-23 locus by CRISPR. A flexible 30 amino acid linker is between the nhr-23 coding sequence and mScarlet. Allele obtained using the self-excising casstte, following Dickinson et al, 2015 method. Reference: Myles KM, et al. MicroPubl Biol. Oct 2:2023:10.17912/micropub.biology.000996. doi: 10.17912/micropub.biology.000996. eCollection 2023. PMID: 37854098.

Superfically wild-type. hsr-9(xoe17) was generated by incorporating a stop-in cassette early in the coding region using the co-CRISPR method (Paix et al. 2015). The hsr-9 repair template (gattttgcctcttaaataaaatttcagCAAAAAACCGAGGGGAGACTTGCAATAGGGAAGTTTGTCCAGAGCAGAGGTGACTAAGTGATAAGCTAGCTCTCGGATCATCTTGCAAACATGCTTATTGCTGgtaggtattgcaacc) and guide RNA (AGGGGAGACTTGCAATATCT) were injected into N2 and the resulting progeny were analyzed by PCR using TGAAATTAAGGTGGTCACTCGAAG and GTTGTTGTGGGGAGGCTGAA. Reference: Hariri S, et al. (2023). 53bp1 mutation enhances brca1 and bard1 embryonic lethality in C. elegans. microPublication Biology. 10.17912/micropub.biology.000934. PMID: 37581122.

No visible phenotype except for reduced brood size. Synthetic sterile with nos-2(RNAi). 1176 bp deletion starting at aa 58 in nos-1 ORF and ending 414 bp past the end of the nos-1 ORF.

B0273.2. External left primer: AAGCATACAGGCGCAGAGAT. External right primer: TACCGTATTGTGGTGCGAAA. Internal left primer: AACGGTTGCTCATCTGACTT. Internal right primer: AAAATTGCGTCGATTTTTGG. Internal WT amplicon: 2701 bp. Deletion size: 1751 bp. Deletion left flank: TTAAAACTTCTAATTTAAATAAAAAATATA. Deletion right flank: TATGTCGTTCAGCAAATGATTTCGATTTGC. Do not distribute this strain; other labs should request it from the CGC.

Slow growing and throw about 10% dead embryos. q783 is a deletion of the first 4 exons on the larp-1 gene. NOTE: this strain is carrying mut-16(mg461) in the background; It is unknown if mg461 is homozygous in this strain. See JK4545 for a replacement larp-1(q783) strain. mut-16 can be detected using primer1 CCCGCCGATACAGAAACTAA, primer 2 AATATTCGATCGGCAAGCAG for genotyping. The wild-type locus will yield a 824bp PCR product, whereas mg461 will yield a 373bp product. Do not distribute this strain; other labs should request it directly from the CGC.

Heterozygotes are WT and GFP+. qIs48 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 driving GFP in the intestine, and is homozygous lethal. Do not distribute this strain; other labs should request it directly from the CGC. Note: qIs48 has been observed to recombine off hT2, typically leaving behind a functional homozygous viable hT2 with Bli-4 phenotype. PCR using 3 primers: primer A: TCA GCC GAC AAT CTC CGA; primer B: GTA CTG ATT GTA TCC ACC GGC; primer C: GCT CAT AGA AAA GCG ATG G. WT band = 0.5 kb; heterozygote bands = 0.8 and 0.5 kb (double bands), tm2435 bands = 0.8 kb.

qSi29 [sygl-1p(LBSmut)::H2B::GFP::sygl-1 3'end + unc-119(+)]. Superficially wild-type. Expression of H2B::GFP in the loop region of the germline. qSi29 contains 2kb upstream of the sygl-1 start with the four LAG-1 binding sites (LBS) mutated (RTGRGAA->RacRGAA) driving H2B::GFP under the control of the sygl-1 3' intergenic region. Reference: Kerschner AM, et al. Proc Natl Acad Sci U S A. 2014 Mar 11;111(10):3739-44.

qSi29 [sygl-1p(LBSmut)::H2B::GFP::sygl-1 3'end + unc-119(+)]. teIs1 [oma-1::GFP + unc-119(+)]. Superficially wild-type. Expression of H2B::GFP in the loop region of the germline. qSi29 contains 2kb upstream of the sygl-1 start with the four LAG-1 binding sites (LBS) mutated (RTGRGAA->RacRGAA) driving H2B::GFP under the control of the sygl-1 3' intergenic region. oma-1::GFP expression in oocyte cytoplasm. teIs1 rescues GFP expression in silenced germline trangenes more effectively at 25C. Reference: Kerschner AM, et al. Proc Natl Acad Sci U S A. 2014 Mar 11;111(10):3739-44.

[NOTE: (04/06/2023) A user has reported that they have performed whole-genome sequencing and found this strain is actually Lelliottia nimipressuralis, not Lelliottia amnigena.] Bacteria. CeMbio Collection. Natural isolate from C. elegans natural habitat (Rotting apple). LB, 20-26C. Sampled in Santeuil, France. More information about collection on the project's wiki: http://www.cembio.uni-kiel.de/. 16S rRNA primer: 27F/1492R. 16S rRNA sequence: TTGAAGAGTTTGATCATGGCTCAGATTGAACGCTGGCGGCAGGCCTAACACATGCAAGTCGA GCGGTAGCACAGAGAGCTTGCTCTCGGGTGACGAGCGGCGGACGGGTGAGTAATGTCTG GGAAACTGCCTGATGGAGGGGGATAACTACTGGAAACGGTAGCTAATACCGCATAACGTCGC AAGACCAAAGAGGGGGACCTTCGGGCCTCTTGCCATCAGATGTGCCCAGATGGGATTAGCT AGTAGGTGGGGTAATGGCTCACCTAGGCGACGATCCCTAGCTGGTCTGAGAGGATGACCAG CCACACTGGAACTGAGACACGGTCCAGACTCCTACGGGAGGCAGCAGTGGGGAATATTGC ACAATGGGCGCAAGCCTGATGCAGCCATGCCGCGTGTATGAAGAAGGCCTTCGGGTTGTAA AGTACTTTCAGCGAGGAGGAAGGCATTGTGGTTAATAACCGCAGTGATTGACGTTACTCGCA GAAGAAGCACCGGCTAACTCCGTGCCAGCAGCCGCGGTAATACGGAGGGTGCAAGCGTTA ATCGGAATTACTGGGCGTAAAGCGCACGCAGGCGGTCTGTCAAGTCGGATGTGAAATCCCC GGGCTCAACCTGGGAACTGCATTCGAAACTGGCAGGCTAGAGTCTTGTAGAGGGGGGTAGA ATTCCAGGTGTAGCGGTGAAATGCGTAGAGATCTGGAGGAATACCGGTGGCGAAGGCGGCC CCCTGGACAAAGACTGACGCTCAGGTGCGAAAGCGTGGGGAGCAAACAGGATTAGATACCC TGGTAGTCCACGCCGTAAACGATGTCGACTTGGAGGTTGTTCCCTTGAGGAGTGGCTTCC GGAGCTAACGCGTTAAGTCGACCGCCTGGGGAGTACGGCCGCAAGGTTAAAACTCAAATGA ATTGACGGGGGCCCGCACAAGCGGTGGAGCATGTGGTTTAATTCGATGCAACGCGAAGAAC CTTACCTACTCTTGACATCCAGAGAACTTAGCAGAGATGCTTTGGTGCCTTCGGGAACTCTG AGACAGGTGCTGCATGGCTGTCGTCAGCTCGTGTTGTGAAATGTTGGGTTAAGTCCCGCAA CGAGCGCAACCCTTATCCTTTGTTGCCAGCGGTTCGGCCGGGAACTCAAAGGAGACTGCC AGTGATAAACTGGAGGAAGGTGGGGATGACGTCAAGTCATCATGGCCCTTACGAGTAGGGCT ACACACGTGCTACAATGGCATATACAAAGAGAAGCGACCTCGCGAGAGCAAGCGGACCTCA CAAAGTATGTCGTAGTCCGGATCGGAGTCTGCAACTCGACTCCGTGAAGTCGGAATCGCTA GTAATCGTAGATCAGAATGCTACGGTGAATACGTTCCCGGGCCTTGTACACACCGCCCGTCA CACCATGGGAGTGGGTTGCAAAAGAAGTAGGTAGCTTAACCTTCGGGAGGGCGCTTACCAC TTTGTGATTCATGACTGGGGTGAAGTCGTAACAAGGTAACCGTAGGGGAACCTGCGGTTGGA TCACCTCCTT GenBank: BioSample SAMN10361116

MT15982 mir-67(n4899) was outcrossed 6x to produce this strain. Deletion breakpoints are:GGGTGCCTAATGCAAA / AGTACACATTTATGAAT...GCGAGTTTAAAGCAACG / AGTAGCAGAAGGACCA.Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Superficially wild type on plates. Slight (<10%), but significant, expansion of synaptic vesicles from the synaptic region of the DA9 motor neuron into the flanking asynaptic regions. Synaptic vesicles also showed a slight but significant accumulation in rimb-1 mutant dendrites in the DA9 motor neuron (192 +/- 32% compared to wild type; N=15; P=.015). The sequence GC TAG C TAA A TGA (3 successive stop codons in different reading frames) was inserted after codon 16 of the rimb-1 gene; described in Edwards SL, et al. (manuscript in revision). "Sentryn Acts with a Subset of Active Zone Proteins in the Guided Transport and Capture of Synaptic Vesicles in Caenorhabditis elegans."

syb8406 is WrmScarlet and 3xFlag tags inserted into endogenous tol-1 locus. syb8408 is internal eGFP and FLAG tags with poly-A linkers inserted into endogenous lat-1 locus before 651 aa. Reference: Carmona-Rosas G, et al. bioRxiv 2023.05.04.539414; doi: https://doi.org/10.1101/2023.05.04.539414.

No apparent phenotype. Outcrossed version of RB579. Deletion of 1628 bp removes ife-2 exon 4. Deletion extends into R04A9.3 and removes exons 1 and 2 of unknown gene. IFE-2 protein is absent from m7GTP-affinity purified protein; other IFEs are present. Breakpoint independently determined by BDK and Vancouver KO Group is AAAACAATTTTCCACTGCT/AA/TTTTTGCAAAGTATTCAATT. Eukaryotic translation initiation factor 4E gene (isoform 2).

C05D9.5 Homozygous. Deletion of 1778 bp removes 1088 bp upstream of start codon and all of exons 1 and 2. IFE-4 is absent from m7GTP-affinity purified protein; other IFEs are present. Breakpoint determined by BDK is CATCGAGTCGGGACGTGATG/AGTAGTGCAAGACTGATAAA. Eukaryotic translation initiation factor 4E gene (isoform 4).

DEET-resistant. ejd1 is a CRISPR/Cas9-induced mutation causing a predicted frame-shift in the first exon. WT (affected sequence between arrows): GCTTTTATTCCAAAAAACTCTCTCCCGCGTCG>CTGCTCCAAAAAAAAAA

ltIs37 [pie-1p::mCherry::his-58 + unc-119(+)] IV. avIs116 [pie-1p::GFP::ubiquitinAA + unc-119(+)]. GFP::ubiquitinAA is visible in the germline when raised at 25C. GFP::ubiquitinAA is a mutated form of ubiquitin that has a dialanine at the C-terminus instead of the diglycine required for conjugation onto protein substrates. Useful control strain for LN130. [NOTE: the ltIs37 [pie-1p::mCherry::his-58 + unc-119(+)] IV transgene was previously annotated as itIs37 in this strain. The correct name of the transgene is ltIs37 and not itIs37.] Reference: Sampuda KL, et al. BMC Cell Biol. 2017 Apr 19;18(1):18.

2446 bp deletion. Endpoints: CAAAGGGAAACTTCACGAGAAA...ATTGATTATTACTAACCAAAGT.

Phenotypically WT. Deletion allele. A "T" is added also. The end points of the deletion are: TCGAACGTCAACAACATATTGCAAAT.....t.....TTGGAAAGGTAGGCTTACACTT TTTTTAA.

vs137 is a deletion allele. A "T" has been added. The endpoints of the deletion are: TCGAACGTCAACAACATATTGCAAAT.......T.......TTGGAAAGGTAGGCTTAC ACTTTTTTTAA. Double mutants have reduced AWA gene expression. ok132 is a deletion and putative null allele. The boundaries of the deletion are: AGATTACTGATGCCATTGAACAAGTTCTCGTCA......TGATGTTTGAAAGGTGGAGT AGCAAAGAGA.

ak47 is chemosensory, mechanosensory and osmosensory defective, and is a null allele. vs137 is a deletion allele. A "T" has been added. The endpoints of the deletion are: TCGAACGTCAACAACATATTGCAAAT.......T.......TTGGAAAGGTAGGCTTAC ACTTTTTTTAA.

TI223.E1: AGACTTGAAGGAAACGCGAA. TI223.E2: AATCAAATTGAAACGGCTCG. TI223.I1: AATCCTTGCCAACCAAACAG. TI223.I2: CGTAGCATCCTTGGACCAGT. This strain was provided by the C. elegans Gene Knockout Project at OMRF, which is part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. http://www.mutantfactory.ouhsc.edu/

Wild-type morphology. CRISPR/Cas9 engineered 3.38 kB deletion of the che-1 locus. Flank: caaaaacatcacaaaaataa // tataatttactgatacaata Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

Superficially wild-type. LoxP sites were inserted into near the 5' and 3' ends of the endogenous unc-70 locus to facilitate conditional or cell-specific knockout of the gene. The 5' loxP site can be detected by PCR using the primers 5' tttattaatctatgatttttcagcaaaa 3' and 5' tgacgataatctcttaaaattttgc 3'. The 3' loxP site can be detected by PCR using the primers 5' acgtactgtcgctgaggttacc 3' and 5' gacgtcgatacaaataattcgtccca 3'. Reference: Das R, et al. Sci Adv. 2021 Sep 17;7(38):eabg4617. doi: 10.1126/sciadv.abg4617. PMID: 34533987

Deletion breakpoints are:TAGAGCATGTTGCCAATATTGGCAT / GAAAATATTGGCAA...TCACTTTGAATATAGCG / TAGATATAGAGTAGAATTGAATCTG. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are:CACACACACACACACATACATA / CATACATACAT...CACACAGCCAAAA / GGGGCGGGACGACGACTCCTCCCCGCCT. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are: ACAACTTAATATCTTTTCTGGTCATTTTCAA / TACTTACCTCA...AGGTGACAGAAA / GTTGTGTGAAAATGACAAATATCTCTTTTCT. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are: ACTCTATGATGTCCTTCAAAACAACA / TAATTTACGCCAT...CAGAATCGGGAGAAA / TTTATAATAATAGAGAGAGAGAGA. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are:TCATCTGATGACTTATCTTCA / TACTCGTGT...AACGTGATGAA / GGTCCGGATAGGGCTTGAGCTATTCGTT. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are: AACAACAACAAAAACTTTTTTTACC / ATTTAAAAAAATAA...GAATGGGAAAAAAAA / GGAAGCTGTGGCCTGTCGCATAGTTAC. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are:TCCACCAGCAAAAAGCCGT / CTCCAAAGAAGGCTGCTCCG...AAAAAACTACAAATTCTCG / TTTCCATTACTTTTCAGAAA. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are: AAAATTTTTAAATTCTGAAATTAG / TTAAAAAACTGG...ATGAGTGGCAAA / AACTGATTGTGAGTAATTGTCATCTTT. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are:TATCTTCTTATTCGGGGCGTCCTTG / TACCTATCTTG...AAATTTTCTGTA / GGTCTTAAATTTTTTCCTAACAAAAAA. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are: TTTGAATGAATATCTGGTTACCAAAA / CAATTACCA...CCAAAACATACGGT / TGTGAAAGGAAAGAAAAGCTTT. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are:ATGTCTTAATTTCTAGT / GGAGCTATTGATTTTCGAAA...TGGCCTCGATTTTCTTCT / CGCAATATGGATCGTTGC. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints are:CTATGAATGTTTAAAA / AAAAAAATTTTTTGAAAAGTAAGCAA...AGAGCCCTAAAAGTCTTAACT / GTTCTGCGCAACTTTCGACAACGTTTA. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Deletion breakpoints: ATCGGGATGAAGTTTGCAAA//AATCTAGAATACCGATTTCG. Transposon silencing abnormal. Only enhanced transposon activity observed in n4503; nDf57 mutants compared to n4503 (not in nDf57 mutants alone).

Deletion breakpoints are:CAACGTTTCCAAACTGT / AACGTAAATATACAACAC...TGATGGGGGGGGGGGGTCAAGGAAA / GAAGAAAAGGGAAGAAAGAA. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.