EMBO/SourceData huggingface dataset:
Figure 4d, Western blot analysis of CDC14B-GFP co-immunoprecipitations. HeLa cells were transfected with UTF1 and GFP or CDC14B-GFP. Cytoplasmic and nuclear soluble proteins were extracted with RIPA, and nucleolar and chromatin-bound proteins were extracted with high salt RIPA. Immunoprecipitations with anti-GFP antibody were performed. Total protein extracts and immunoprecipitates were loaded and UTF (upper panel) and GFP (lower panel) were blotted.e, Immunoprecipitation of UTF1 upon co-transfection with CDC14B. Total protein was extracted with high-salt RIPA and immunoprecipitations with anti-UTF1 antibody were performed.f, Expression of active CDC14B, but not a phosphatase-dead (PD) isoform, reduces slow-mobility bands of UTF1. Vinculin was used as a loading control.h, In vitro kinase assay of recombinant human UTF1 with ERK2, CDK1-Cyclin B1, CDK1-Cyclin A2 or in absence of kinases (C).j, In vitro phosphatase assay of UTF1. Three different fragments of UTF1 were phosphorylated by CDK1-Cyclin A2 and subsequently exposed to wild-type or a catalytically inactive form (PD) of CDC14B.
Figure 5a, Quantitative RT-PCR in wild-type (WT) or Cdc14 DKO ESCs of the indicated transcripts during neural differentiation. n=3 independent experiments (±S.E.M.); *, p<0.05; **, p<0.01; ***, p<0.001; Student's t-test.b, Expression of a CDC14-GFP fusion protein in ESCs before (T0) and after three days (T3) in differentiation conditions. The arrowheads indicate the concentration of CDC14-GFP in the nucleolus before but not after the induction of differentiation. Scale bars, 5 μM. The plot shows the ratio between nucleolar vs. total nuclear URF1 intensity at T0 (n= 26 cells) or T3 (n=31) in cells from two separate experiments. ***, p<0.001, Student's t-test with Welch's correction.c, Confocal microscopy analysis of UTF1 intensity in WT and Cdc14 DKO ESCs at time 0 (T0) and after 1 day (T1) in differentiation media. The quantification of UTF1 fluorescence mean intensity (FMI) per cell is shown in the plot to the right. Figures and horizontal bars indicate mean ± S.E.M. (n=1269 WT T0 cells, n=2726 WT T1, n=974 Cdc14 DKO T0, n=1173 Cdc14 DKO T1). **, p<0.01; ****, p<0.0001; Student's t-test with Welch's correction.d, Western blot analysis of UTF1 expression in WT and Cdc14 DKO ESCs at time 0 and after 3 days in differentiation media.e, Western blot analysis of UTF1 expression in WT and Cdc14 DKO ESCs in absence or presence of the kinase inhibitors roscovitine (R) or trametinib (T).f, Immunoblot analysis of UTF1 protein stability after transfection of HeLa cells with UTF1 and GFP or CDC14B-GFP. Cells were treated with cycloheximide (CHX) and total proteins were detected at different time points as indicated. Cyclin B1 and β-catenin are used as controls.g, Western blot analysis of UTF1 WT or mutants in three (UTF1-3KR) or five (UTF1-5KR) lysines in absence or presence of trametinib (T) or roscovitine (R).h, Immunoblot of UTF1 mutants in SPOP, SIAH or SPOP+SIAH potential binding sites, as well as S48D and S54D phosphorylation sites. Actin was used as a loading control.
Figure 2A. Fura2 340/380 time traces from M-CSF-differentiated macrophages derived from conditionally-immortalised macrophage precursor cell lines (M-MØP) of Plcg2P522 mice (P522, blue) and Plcg2R522 mice (R522, red). One set of cell lines, generated from male mice, is shown. Cells were exposed to 5µg/ml anti-FcγRII/III along with 20µM EGTA and 2µM Ionomycin as indicated. Data shows the mean±SD of 3 independent experiments analysed by two-way ANOVA with Sidak post-hoc tests (** = p<0.01; **** = p< 0.0001). B. Fura2 340/380 time traces from primary microglia derived from the cortex of Plcg2R522 mice (blue: P522) and Plcg2R522 mice (red: R522) with or without pre-exposure for 2 hours with Edelfosine (10µM). Cells were exposed to 5µg/ml anti-FcγRII/III along with EGTA and 2µM Ionomycin. Data shows the mean±SD of 3 independent experiments analysed by two-way ANOVA with Sidak post-hoc tests (** = p<0.01; *** = p<0.001; **** = p< 0.0001). C
Figure 3C-E. M-MOPS (C), primary mouse microglia (D) and hIPSC (E) (blue: P522 and red: R522) were loaded with Fluo-8 Ca2+ indicator and examined for peak changes in fluoresce after exposure to DOPS-liposomes (25 μg/ml). Data information: Data shown as the mean±SD of 3 independent experiments. The data were analysed by two-way ANOVA with Sidak's post-tests (*=p<0.05, **=p<0.01, ***=p<0.001).
Figure 6level of PIP2 in M-MOPS was examined by measuring immunofluorescence from images at set time points after exposure after exposure to 5µg/ml anti-FcγRII/III (2.4G2), 50 ng/ml LPS or oligomers of 40 µM Aβ1-42 Data shows the mean±SD of 3 independent experiments were analysed by 2 way ANOVA with Sidak's multiple comparison *=p<0.05, **=p<0.01, ***=p<0.001, ****=p<0.0001. (blue: P522; red: R522).
Figure 7A-C. A mass ELISA was used to detect specific PIP species after exposure to anti-FcγRII/III (2.4G2) with or without 3-a-aminocholestane (SHIP 1 inhibitor), SF1670 (PTEN inhibitor) and LY294002 (PI-3K inhibitor). In M-MOP cells (left panel) and primary microglia (right panel) PI(4,5)P2 (A), PI(3,4)P2 (B) and PIP3 (C) were detected. All data shows the mean±SD of 3 independent experiments were analysed by 2 way ANOVA (log-transformed data was used in C) with Sidak's multiple comparison tests performed *=p<0.05, **=p<0.01, ***=p<0.001, ****=p<0.0001. (blue: P522; red: R522)
Figure 8A-C. Iba1 was used as a marker for microglia and PIP2 levels were detected by measuring the intensity of florescence per cell. The average fluorescence was calculated above background in the cortex and hippocampus at 2 (A), 6 (B) and 9 (C) months. All data shows the mean±SD of 3 independent experiments analysed using 2 way ANOVA with Sidak's multiple comparison tests performed **=p<0.01, ****=p<0.0001.
Figure 1Western blot analysis of lysates from cerebellum of control and FXS patients ''FXS'' (n = 4). Extract of pCI-hDGKk-transfected Hela cells (hDGKk) was used as antibody specificity control and size marker. Representative images of immunoblots probed with antibodies against the indicated proteins are shown. GAPDH was the loading control. Quantification of Western blots is shown on right. Protein amounts of DGKk are normalized to GAPDH and presented as fold change relative to control.C-D) Immunoblots and quantification of lysates from Cos-1 cells transfected with plasmid pCI-mDGKk-HA or non-transfected (NT) and pre-transfected 24h before with siRNA control (siC) or against FMRP (siFMR1). GAPDH was used as a loading control. For quantification, the DGKk and FMRP signals were normalized against GAPDH signal and presented relative to the signal for siC treated cells (C). Immunoblots and quantification of lysates from Cos-1 cells transfected with pCI (empty plasmid), pCI-HA-∆N-DGKk, or pCI-mDGKk-HA, and pre-treated with siRNA control (siC) or against FMRP (siFMR1) (D). Quantifications as in C.
Figure 2A) HeLa cells transfected with indicated plasmids expressing mouse (m) or human (h) DGKk were analyzed by immunofluorescence confocal microscopy for HA tag (red) and Dapi staining (blue). ∆C1-hDGKk construct bears deletion of phorbol ester C1 domain (328-449).B) Immunoblots and quantification of lysates from Cos-1 cells transfected with plasmid pCI-HA-∆N-DGKk, untransfected (NT), or plasmid pCI control, with the indicated amount of plasmid (µg) and after 24h, incubated with puromycin (20µg/ml, 30 min) to measure rates of protein synthesis. GAPDH was used as a loading control. 0 indicates no puromycin treatment, -/+ indicates treatment without or with DGK inhibitor (DGKi) 3 µM R59022 and 0.2 µM R59949 at 6 µM, 15 min. Densitogram of puromycin incorporation is presented as change relative to mock transfected conditions.C) Representative immunofluorescence staining of cortical neuron cultures transduced at 8 DIV (days in vitro) with 10e9 VG/ml of AAVRh10-GFP or AAVRh10-∆N-DGKk and assessed after 5 days using anti-MAP2 and anti-HA for ∆N-DGKk or direct 488 nm excitation for GFP. DAPI was used to visualize nuclei on merged images.D) Representative immunoblots of lysates from WT and Fmr1-KO cortical neurons transduced with AAVRh10-∆N-DGKk (AAV ∆N-DGKk), at the indicated titers (VG/ml culture volume) and quantification of phosphorylation and total levels of eIF4E. GAPDH was used as a loading control. For quantification, the phospho-protein signal was normalized first against total protein signal and is presented relative to the signal for WT culture.
Figure 3B) Viral titers (viral genome copy VG per cell) determined by qPCR in cortical, hippocampal and rest of brain areas of Fmr1-KO mice treated with saline solution (Vehicle), AAVPHP.eB-∆N-DGKk (PHP.eB), AAVRh10-∆N-DGKk (Rh10) 8 weeks after injections. Data are mean ± SEM. Each dot represents an individual mouse.C) Immunoblots and quantification of ∆N-DGKk protein in lysates from brain areas of mice treated as in B. GAPDH was used as a loading control. Densitogram of ∆N-DGKk expression is presented as change relative to vehicle conditions.D) Representative coronal brain sections processed for detection of ∆N-DGKk using immunohistochemistry on Fmr1-KO mice treated with indicated treatment, 8 weeks post-injections, counter stained with eosin hematoxylin. Adjacent sections were immunolabelled with NeuN. 3 mice per genotype were processed. The sections shown are between Bregma levels -1.50 mm and -1.80 mm. Scale bar is 2 mm. Magnifications of regions of cortex (c), hippocampus (h), and striatum (s) are shown in side panels, scale bar 200 µm.E) Total phosphatidic acid (PA) level measure by mass spectrometry in cortex of WT mice treated with saline solution (WT-S) and Fmr1-KO mice treated with saline (Fmr1-S), AAVPHP.eB-∆N-DGKk (Fmr1-PHP.eB), AAVRh10-∆N-DGKk (Fmr1-Rh10) 8 weeks after injections. Data are expressed as mol % of total lipids and represented as median with interquartile range with minimum and maximum values. Statistics: one-way ANOVA and Tukey's multiple comparisons test, n=8 individual animals, except for WT-S and Fmr1-S n=11. **P < 0.01, ***P < 0.001.F) Total diacylglycerol (DAG) level in cortex measured as in E).
Figure 4A) Elevated Plus Maze. Percentage of time spent in open arms and number of entries in open, closed and total (open+closed) arms. (n = 12 for time in open arm, n=24 for arm entries).B) Novel object recognition. Locomotor activity (distance in m) in the whole arena and percentage of time spent in the center during 15 min habituation. Locomotor activity during the acquisition and retention trials. Recognition index. (n = 24).C) Social recognition. Number of entries in the two side compartments during preference session (left), social preference (percentage of exploration of a congener vs an object) (center) and social memory (percentage of exploration of a novel vs familiar congener) (right). (n=24).
Fig 1A) Time-dependent GSK-3 inhibition of VP2.51 at 1 and 2 μM.B) Kinetic GSK-3 inhibition data determined for VP2.51. ATP concentrations in the reaction mixture varied from 1 to 50 μM. Compound concentrations used are depicted in the plot, and the concentration of GS-2 was kept constant at 12.5 μM. Each point is the mean of two different experiments, each one analyzed in duplicate.C) Kinase profiling of VP2.51 on human recombinant kinases. The percentage (%) of kinase activity after the treatment with a fixed concentration (10 μM) of the compound is shown.
Fig 2A) Evolution of rat weight of different treatment groups (12 animals in each group): control, L-BMAA (300 mg/kg/day during 5 consecutive days treated at weaning), VP2.51 (2,5 mg/kg during 15 days) with a group treated at PT1 and another at PT30, L-BMAA (with the same treatment as the group of L-BMAA) + VP2.51 (with the same treatment groups VP2.51) with a group treated at PT1 and another at PT30.B). Evolution of neurological evaluation in the treatment assay with VP2.51 (12 animals in each group). The control group and the groups treated exclusively with VP2.51 (at PT1 and PT30) are not shown because its assessment coincides with the horizontal axis. The time when the inhibitor is added is indicated with arrows.
Fig 3A) Analysis of LC3-II and P-mTOR by western-blot in the motor cortex of control and treated animals. Proteins were detected by Western blotting using β-tubulin for calibration of sample loading. The protein bands were quantified by Image Multigauge v3.0 software. Immunoblots are representative of one of three experiments with similar results. These results were quantitated in arbitrary units and were represented in the accompanying graphs as mean ± SEM. *, ** Indicate differences of p-value <0.05 <0.01 with the control group, respectively. #, ### indicate differences of p-value <0.05 <0.001 with the group of animals treated with L-BMAA, respectively.B) Analysis of LC3-II and P-mTOR by western-blot in the lumbar spinal cord of control and treated animals. Proteins were detected by Western blotting using β-tubulin for calibration of sample loading. The protein bands were quantified by Image Multigauge v3.0 software. Immunoblots are representative of one of three experiments with similar results. These results were quantitated in arbitrary units and were represented in the accompanying graphs as mean ± SEM. *, *** Indicate differences of p-value <0.05 <0.001 with the control group, respectively. ## Indicate differences of p-value <0.01 with the group of animals treated with L-BMAA.
Figure 1(A) Relaxed DNA (3 nM), condensin (0, 60, 120, 240 nM) and Topo I (1 unit) were mixed and incubated with or without ATP (1 mM) at 30ºC for 30 min. DNA electrophoresis contained 0.1 µg/ml chloroquine. In all gels, N denotes nicked circles; Lkº, the input Lk distribution of relaxed DNA; and LkC, the Lk distribution restrained by condensin. (B) 2D-gel of the preceding samples in lane 1 (relaxed DNA, R), and lanes 5 and 6 (condensin 120 nM ± ATP). Electrophoresis contained 0.1 and 1 µg/ml chloroquine in the first and second dimension, respectively. The histogram shows the relative intensity (i) of individual topoisomers of the Lk distributions resolved in lane 1 (green) and lane 6 (red). Lkº and LkC denote the midpoint of each Lk distribution; and ∆Lk, the difference (Lk units) between them. (C) Experiment conducted as in A, but reducing the concentration of DNA (0.3 nM) and condensin (0, 1.5, 3, 6 nM). DNA electrophoresis contained 0.4 µg/ml chloroquine. (D) 2D-gel of the preceding sample in lane 1(relaxed DNA, R), and lanes 5 and 6 (condensin 3 nM ± ATP). Electrophoresis contained 0.4 and 1 µg/ml chloroquine in the first and second dimension, respectively. The histogram shows relative Lk intensities (i) of lanes 1 and 6, indicating Lkº, LkC and ∆Lk.(E) Experiment conducted as in A, but mixing DNA (1 nM) with intermediate condensin concentrations (10 to 100 nM). DNA electrophoresis contained 0.2 µg/ml chloroquine. The length of DNA (bp) available per condensin complex in each reaction is indicated.
Figure 2(A) Relaxed DNA (0.3 nM), condensin (3 nM) and Topo I (1 unit) were incubated at 30ºC for indicated time periods (0 to 90 min) in the presence of different concentrations of ATP (1, 0.25, 0.1 mM).(B) Plot of ∆Lk values (mean ±SD, 3 technical replicates) constrained in the preceding experiment.(C) DNA, condensin and Topo I (mixed as in A) were incubated at 30ºC without nucleotides for 10 min (lane 1), with ATP 1mM for 10 min (lane 2), AMPPNP 2 mM for 10 min (lane 3), and AMPPNP 2mM for 10 min followed by ATP 1 mM for 10 min (lane 4). (D) DNA, condensin and Topo I (mixed as in A) were incubated at 30ºC without nucleotides for 10 min (lane 1), with Apyrase for 10 min (lane 2), Apyrase and ATP 1mM for 10 min (lane 3), ATP 1mM for 10 min (lane 4), no nucleotide for 10 min followed by Apyrase for 60 min (lane 5), ATP 1mM for 10 min followed by Apyrase for 60 min (lane 6).(E) DNA, condensin and Topo I (mixed as in A) were incubated at 30ºC without nucleotides for 20 min (lane 1), with ATP 1mM for 20 min (lane 2), AMPPNP 2 mM for 20 min (lane 3), ATP 1mM for 10 min followed by AMPPNP 2 mM for 10 min (lane 4). (F) 2D-gel of the samples in E (lanes 1 to 4) and histogram of Lk intensities (i) of lanes 1 and 4, indicating Lkº, LkC and ∆Lk.
Figure 3(D) Relaxed DNA (0.3 nM), condensin (3 nM) and Topo I were mixed with/without nuclease P1 and incubated at 30ºC with no nucleotide for 30 min, ATP 1mM for 30 min, AMPPNP 2 mM for 30 min, ATP for 20 min followed by AMPPNP for 10 min or ATP for 20 min followed by Apyrase for 10 min.(E) Experiment conducted as in D, but using (-) supercoiled DNA and without Topo I. Following the incubation with nucleotides for 30 min, nuclease P1 was added for 5 min.
Figure 4(A) Relaxed DNA (0.3 nM), condensin (3 nM) and Topo I (1 unit) were mixed with ss-oligos or ds-oligos (100 and 500 nM). Following incubation for 10 min at 30ºC, ATP (1 mM) was added and incubations continued for 10 min. (B) Experiment as in A, but first adding ATP for 10 min and afterwards the oligonucleotides for 10 min. (C) Experiment as in B, but after the 10 min incubation with oligonucleotides, AMPPNP (2 mM) was added and incubations continued for 10 min.(D) Relaxed DNA (0.3 nM), condensin (3 nM) and Topo I (1 unit) were incubated at 30ºC for 10 min. Reactions were then split into thirds to which NaCl concentration was raised to 50, 150 and 300 mM. Salt-resistant condensin-DNA complexes were immobilized to His-Tag magnetic beads and the fractions of free (F) and bound (B) DNA recovered. The plot shows the fractions of bound DNA (mean ±SD, 3 technical replicates). (E) As in D, but containing AMPPNP (2 mM). (F) As in D, but containing ATP (1 mM). (G) As in D, but containing ATP (1 mM) for 10 min followed by AMPPNP (2 mM) for 10 min. (H) As in D, but containing ATP (1 mM) for 10 min followed by Apyrase for 10 min.
Figure 5(B) Relaxed DNA (0.3 nM) and condensin (3 nM) were mixed with Topo I or Topo II (1 unit). Upon addition of ATP (1 mM), incubations proceeded at 30ºC for 30 min. (C) DNA, condensin, and Topo II were mixed as in B. Upon addition of ATP (1 mM), incubations proceeded at 30ºC for 10 min. Topo I was added to one half of the mixtures and incubations continued for 10 min. (D) DNA, condensin, and Topo II were mixed as in B. Following incubation at 30ºC for 10 min with or without ATP, DNA was recovered and nicked to reveal the occurrence of DNA knots. K3 to K6 denote knots with 3 to 6 irreducible DNA crossings.(F) Nicked DNA (0.3 nM) was mixed without or with condensin (3 nM) in the presence of ATP (1 mM). Following incubations at 30ºC for 20 min, mixtures were supplemented with T4 DNA Ligase and Topo I (as indicated) and incubation continued for 10 min.
Figure 6(B) Relaxed DNA (0.3 nM) was mixed with condensin (3 nM). Following incubation in absence or presence of the indicated nucleotides (ATP 1mM for 30 min, AMPPNP 2 mM for 30 min, ATP for 20 min followed by AMPPNP for 10 min or ATP for 20 min followed by Apyrase for 10 min), TopA was added to one half of each reaction and Topo I to the other half. Incubations continued for 10 min.(D) Experiment conducted as in B but starting with (-) supercoiled DNA instead of relaxed DNA. Following incubation in presence of the indicated nucleotides (as in B) Topo I was added to one half of each mixture and incubations continued for 10 min. (E) Experiment conducted as in D but adding TopA instead of Topo I.
Figure 7(A) Relaxed DNA (0.3 nM), ∆Ycg1 condensin (3 nM) and Topo I were incubated at 30ºC with no nucleotide for 30 min, ATP 1mM for 30 min, AMPPNP 2 mM for 30 min, ATP for 20 min followed by AMPPNP for 10 min or ATP for 20 min followed by Apyrase for 10 min. The plot (mean ±SD, 3 technical replicates) compares the ∆Lk values restrained by the condensin holo-complex and the ∆Ycg1 condensin.(B) Salt resistance of the ∆Ycg1 condensin-DNA complex. Experiments were conducted as in Fig 4D-H. The plot (mean ±SD, 3 technical replicates) compares the fractions of DNA bound to the holo-complex and to the ∆Ycg1 tetramer.
Figure 1 The expression of the 20 genes encoding TFs was measured 24 h after mannitol treatment during the proliferating (n = 192 plants), expanding (n = 16 plants) and mature (n = 16) leaf developmental stage. Expression levels in wild-type plants transferred to mannitol-induced stress were compared to those transferred to control conditions at the same developmental stage. Data information: Data are presented as mean ± SEM, n = 4 independent experiments. FC = Fold change. * = FDR < 0.05, Unpaired two-sided Student's t-test.
Figure 2A, B, C, D Based on a threshold of log2[fold change (FC)] > 1, the 20 TFs were categorized into four groups. The first group contains TFs that reached the log2(FC) threshold 40 min after mannitol treatment (A) The arrow indicates the initial upregulation of every group. Data information: Data are presented as mean ± SEM. n = 4 independent experiments. FDR values are available in Table EV1. A, B, C, D Based on a threshold of log2[fold change (FC)] > 1, the 20 TFs were categorized into four groups. the second group reached the threshold after 1 h (B) The arrow indicates the initial upregulation of every group. Data information: Data are presented as mean ± SEM. n = 4 independent experiments. FDR values are available in Table EV1. A, B, C, D Based on a threshold of log2[fold change (FC)] > 1, the 20 TFs were categorized into four groups. the third group after 2 h (C) The arrow indicates the initial upregulation of every group. Data information: Data are presented as mean ± SEM. n = 4 independent experiments. FDR values are available in Table EV1. A, B, C, D Based on a threshold of log2[fold change (FC)] > 1, the 20 TFs were categorized into four groups. the fourth group after 4 h (D). The arrow indicates the initial upregulation of every group. Data information: Data are presented as mean ± SEM. n = 4 independent experiments. FDR values are available in Table EV1.
Figure 3 C Heatmap of the significant regulations upon induction of overexpression of the five members of the core network, the activators (green) ERF6, ERF59, ERF98 and the repressors (red) ERF8 and ERF9. Color code represents FDR-corrected p-values with thresholds at FDR=0.01, 0.05 and 0.1. Data information: In A, data are extrapolated from estimated averages, n = 3 independent experiments, FDR-corrected p-values < 0.1 (mixed model analysis, user-defined Wald tests). The thickness of the arrows represents the FDR value. In B, data are presented as averages, n = 3 independent experiments. The intensity of the color of the arrows represents the strength of the regulation according to the TEA values and the thickness the FDR value of the nCounter Nanostring experiment. In C, data are represented as FDR-corrected p-values, n = 3 independent experiments.