Homozygous. No obvious phenotype by dissecting scope. 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.

Low percent sterile, more sperm than WT, delayed oogenesis, larger broods than WT. PCR amplify: WT band is about 3 kb, deletion band is about 1.2 kb. Oligos used: outer: 201A and 202S; inner: 203A and 204S. 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.

axIs1723 [pie-1p::GFP::H2B::gld-1 3'UTR + unc-119(+)]. Maintain at 25C to maintain transgene expression. Unknown if ed3 is still in background.

axIs1722 [pie-1p::GFP::H2B::fog-1 3'UTR + unc-119(+)]. Maintain at 25C to maintain transgene expression. Unknown if ed3 is still in background.

axIs2000 [LAPtag::fbf-2::fbf-2 3'UTR]. Maintain at 25C to maintain transgene expression.

axIs1722 [pie-1p::GFP::H2B::fog-1 3'UTR + unc-119(+)]. Maintain at 25C to maintain transgene expression. Unknown if ed3 is still in background.

Heterozygotes are non-Dpy with a green pharynx and a WT germ line. fbf-1 fbf-2 homozygotes are non-Dpy, GFP-, and have small germ lines containing only sperm. mIn1[mIs14 dpy-10(e128)] homozygotes are Dpy, GFP+ and have a WT germ line. 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.

qIs24 [lag-2p::GFP]. Maintain by picking individual animals with green DTCs and green pharynx and scoring offspring for Fems and Fbfs. fem-3 is not well balanced by qIs24. fbf-1 fbf-2 homozygotes are germline proliferation defective and make only sperm. fem-3 homozygotes make only oocytes. fbf-1 fbf-3; fem-3 proliferates more than fbf-1 fbf-2 and makes only oocytes; also Muv. qIs24 contains lag-2::GFP; Distal Tip Cells are green; homozygotes are Rollers and heterozygotes Roll weakly. mIn1 is Dpy and GFP+ in the pharynx. 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.

To maintain, check individual fertile worms for both Sep and Fog offspring. sep-1 homozygotes are sterile at 20C and 25C (Sterile and Unc at 25C), and mostly normal at 15C. fog-1; fbf-1 fbf-2 homozygotes have small germ lines and are often Muv. Best to maintain at 25C for scoring. 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.

axIs1471 [pie-1p::GFP::fbf-1 ORF::fbf-1 3'utr + unc-119(+)]. Transgene is prone to silencing -- maintain at 25C.

axIs1654 [pie-1p::GFP::histone H2B::fbf-1 3'utr + unc-119(+)]. Transgene is prone to silencing -- maintain at 25C.

qSi364 [3xFLAG::fbf-2(R7/R8 loop deletion) + unc-119(+)] IV. Single-copy MosSCI insertion into oxTi177 IV. R7/R8 loop deletion removes a critical protein-to-protein interface. qSi364 is phenotypically wild-type on its own, but Mog when crossed into fbf-1(ok91) fbf-2(q704) background. Reference: Carrick BH, et al. Dev Cell. 2024 Mar 11;59(5):661-675.e7. doi: 10.1016/j.devcel.2024.01.005. PMID: 38290520.

3xFLAG tag inserted at N-terminus of endogenous fbf-2 locus in fbf-1 null background (parental strain JK3022). Reference: Carrick BH, et al. Dev Cell. 2024 Mar 11;59(5):661-675.e7. doi: 10.1016/j.devcel.2024.01.005. PMID: 38290520.

q1023 is an engineered Y479A point mutation in the R7/R8 loop of 3xFLAG-tagged FBF-2. Derived by modification of parental strain JK5935 fbf-2(q945[3xFLAG::fbf-2]) II. Pick GFP+ t maintain. Homozygous sterile (Mog) mutation balanced by GFP- and dpy-10-marked inversion. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP, Dpy bright GFP (mIn1 homozygotes), and non-GFP ok91 q1023 homozygotes (sterile Mog). Pick WT dim GFP and check for correct segregation of progeny to maintain. Reference: Carrick BH, et al. Dev Cell. 2024 Mar 11;59(5):661-675.e7. doi: 10.1016/j.devcel.2024.01.005. PMID: 38290520.

Pick wild-type GFP+ to maintain. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP+ (heterozygotes), Dpy bright GFP+ (mIn1 homozygotes), and non-GFP fbf-1 fbf-2 homozygotes. fbf-1(q1227) fbf-2(q945[3xFLAG::fbf-2]) homozygotes are partially sterile, ~50% make excess sperm and delay oogenesis resulting in delayed egg laying when compared to wild-type animals. Pick WT dim GFP and check for correct segregation of progeny to maintain. q1227 is an engineered Y477A point mutation in FBF-1 derived by modification of parental strain JK5810.

Pick wild-type GFP+ to maintain. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP+ (heterozygotes), Dpy bright GFP+ (mIn1 homozygotes), and non-GFP fbf-1 fbf-2 homozygotes (sterile). Pick WT dim GFP and check for correct segregation of progeny to maintain. q1011 is an engineered Y479A point mutation in the R7/R8 loop of 3xFLAG-tagged FBF-2 derived by modification of parental strain JK5810 fbf-2(q945[3xFLAG::fbf-2]) II. q1228 is an engineered Y477A point mutation in FBF-1 derived by modification of parental strain JK5984.

Pick wild-type GFP+ to maintain. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP+ (heterozygotes), Dpy bright GFP+ (mIn1 homozygotes), and non-GFP fbf-1 fbf-2 homozygotes (sterile). Pick WT dim GFP and check for correct segregation of progeny to maintain. q1250 is an engineered Y477A point mutation in FBF-1 derived by modification of parental strain JK3101.

Pick wild-type GFP+ to maintain. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP+ (heterozygotes), Dpy bright GFP+ (mIn1 homozygotes), and non-GFP fbf-1 fbf-2 homozygotes (Mog). Pick WT dim GFP and check for correct segregation of progeny to maintain. q1251 is an engineered H324A point mutation in FBF-1 derived by modification of parental strain JK3101.

Pick wild-type GFP+ to maintain. 3xFlag tag inserted into endogenous fbf-2 locus with engineered (H453A H454A E457A) substitutions. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP+ (heterozygotes), Dpy bright GFP+ (mIn1 homozygotes), and non-GFP fbf-1 fbf-2 homozygotes (Sterile). Pick WT dim GFP and check for correct segregation of progeny to maintain.

Pick wild-type GFP+ to maintain. 3xFlag tag inserted into endogenous fbf-2 locus with engineered (H453A H454A E457A Y479A) substitutions. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP+ (heterozygotes), Dpy bright GFP+ (mIn1 homozygotes), and non-GFP fbf-1 fbf-2 homozygotes (Sterile). Pick WT dim GFP and check for correct segregation of progeny to maintain.

Pick wild-type GFP+ to maintain. 3xFlag tag inserted into endogenous fbf-2 locus with engineered Y479F substitution. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP+ (heterozygotes), Dpy bright GFP+ (mIn1 homozygotes), and non-GFP fbf-2 homozygotes (sterile?). Pick WT dim GFP and check for correct segregation of progeny to maintain.

Pick wild-type GFP+ to maintain. 3xFlag tag inserted into endogenous fbf-2 locus with engineered (N415A Y416A Q419A S453A H454A E457A) substitutions. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP+ (heterozygotes), Dpy bright GFP+ (mIn1 homozygotes), and non-GFP fbf-1 fbf-2 homozygotes (Mog). Pick WT dim GFP and check for correct segregation of progeny to maintain.

Pick wild-type GFP+ to maintain. 3xFlag tag inserted into endogenous fbf-2 locus with engineered Y479E substitution. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP+ (heterozygotes), Dpy bright GFP+ (mIn1 homozygotes), and non-GFP fbf-2 homozygotes (sterile?). Pick WT dim GFP and check for correct segregation of progeny to maintain.

axIs1752 [fbf-1p::GFP::histone H2B:tbb-2 3'utr + unc-119(+)]. Maintaining at 25C might reduce the chance of transgene silencing.