EMBO/SourceData huggingface dataset:
Figure 5The macrophages from Atx∆ΜΕ/∆ΜΕ and Atx+/+ mice were stimulated with LPS (20 ng/mL, 20 min) The cell lysates were subjected to immunoprecipitation (IP), followed by immunoblotting (IB) analysis with the antibodies indicated. Presented is the representative from three independent experiments.Raw264.7 cells were stimulated by LPS with the ATX inhibitor (50 μM, 30 min) or vehicle (Veh, DMSO 0.1%) The cell lysates were subjected to immunoprecipitation (IP), followed by immunoblotting (IB) analysis with the antibodies indicated. Presented is the representative from three independent experiments.The macrophages from Atx∆ΜΕ/∆ΜΕ and Atx+/+ mice were stimulated with LPS (20 ng/mL, 20 min) The cell lysates were subjected to immunoprecipitation (IP), followed by immunoblotting (IB) analysis with the antibodies indicated. Presented is the representative from three independent experiments.Raw264.7 cells were stimulated by LPS with the ATX inhibitor (50 μM, 30 min) or vehicle (Veh, DMSO 0.1%) The cell lysates were subjected to immunoprecipitation (IP), followed by immunoblotting (IB) analysis with the antibodies indicated. Presented is the representative from three independent experiments.The macrophages from Atx∆ΜΕ/∆ΜΕ and Atx+/+ mice were stimulated with LPS (20 ng/mL, 20 min) The cell lysates were subjected to immunoprecipitation (IP), followed by immunoblotting (IB) analysis with the antibodies indicated. Presented is the representative from three independent experiments.
Figure 6The macrophages from Atx∆ΜΕ/∆ΜΕ and Atx+/+ mice were stimulated by LPS [20 ng/mL, 20 min : The cell lysates were subjected to immunoblotting analysis with antibodies as indicated. Regular ERK1/2, were used for a loading control. Presented are the representative image from at least three independent experiments.The macrophages from Atx∆ΜΕ/∆ΜΕ and Atx+/+ mice were stimulated by LPS [20 ng/mL, 20 min The cell lysates were subjected to immunoblotting analysis with antibodies as indicated. regular Akt were used for a loading control. Presented are the representative image from at least three independent experiments.Atx-heterozygous (Atx-Het) mice and wild type littermates (C) were stimulated by LPS indicated time point The cell lysates were subjected to immunoblotting analysis with antibodies as indicated. RasGAP levels were used for a loading control. Presented are the representative image from at least three independent experiments.(D) Raw264.7 cells were stimulated by LPS with the ATX inhibitor. The cell lysates were subjected to immunoblotting analysis with antibodies as indicated. , β-Actin were used for a loading control. Presented are the representative image from at least three independent experiments.The macrophages from Atx∆ΜΕ/∆ΜΕ mice and Atx+/+ littermates were activated with TLR2 ligand Peptidoglycan (PGN, 30 ng/mL) (E) for the indicated time points. The cell lysates were subjected to immunoblotting analysis with antibodies as indicated. Regular ERK1/2 were used for a loading control. Presented are the representative image from at least three independent experiments.The macrophages from Atx∆ΜΕ/∆ΜΕ mice and Atx+/+ littermates were activated with Pam3CSK4 (1 μg/mL) (F) for the indicated time points. The cell lysates were subjected to immunoblotting analysis with antibodies as indicated. Regular ERK1/2 were used for a loading control. Presented are the representative image from at least three independent experiments.The macrophages from Atx∆ΜΕ/∆ΜΕ mice and Atx+/+ littermates were activated with IL-1β (100 ng/mL) for the indicated time points. : The cell lysates were subjected to immunoblotting analysis with antibodies as indicated. Regular ERK1/2 were used for a loading control. Presented are the representative image from at least three independent experiments.The macrophages from Atx∆ΜΕ/∆ΜΕ mice and Atx+/+ littermates were activated with TNFα (25 ng/mL) (H) for the indicated time points. The cell lysates were subjected to immunoblotting analysis with antibodies as indicated. Regular ERK1/2 were used for a loading control. Presented are the representative image from at least three independent experiments.
Figure 7Peritoneal macrophages from Atx∆ΜΕ/∆ΜΕ mice and Atx+/+ littermates (A) were stimulated with LPS (50 ng/mL, 8 h) The culture medium was collected for ELISA to measure the level of secreted cytokines. All assays were performed in triplicate, and data are shown as mean ± SEM.Raw264.7 cells (B) were stimulated with LPS (50 ng/mL, 8 h) in the presence/absence of the ATX inhibitor (50 μM, 30 min). The culture medium was collected for ELISA to measure the level of secreted cytokines. All assays were performed in triplicate, and data are shown as mean ± SEM.Peritoneal macrophages were stimulated with LPS or vehicle (endotoxin free water), after which intracellular cytokine production was measured through FACS analysis. With the scatter dot plot, the gate was set so that the viable cells were selected to analyze the intensity of the fluorescence signal by flow cytometry. The overlay plot represents the cytometry data.Peritoneal macrophages were stimulated with LPS or vehicle (endotoxin free water), after which intracellular cytokine production was measured through FACS analysis. With the scatter dot plot, the gate was set so that the viable cells were selected to analyze the intensity of the fluorescence signal by flow cytometry. The overlay plot represents the cytometry data.(F) To induce sepsis via LPS injection (Shirey et al., 2013; Voss et al., 2016), age (9-10 weeks)- and sex-matched Atx∆ΜΕ/∆ΜΕ mice (n = 9) and Atx+/+ littermates (n = 21) were injected with LPS (i.p. 25 mg/kg). Survival was monitored for up to 16 h, and analyzed by the Kaplan-Meier method (Log-rank P=0.0004).(G) Blood samples were collected from Atx∆ΜΕ/∆ΜΕ (n = 7) and Atx+/+ (n = 6) mice 10 h after LPS injection, after which the serum TNFα protein level was measured. The data are shown as mean ± SEM.
Figure 8Confocal laser scanning micrographs of the macrophages from Atx∆ΜΕ/∆ΜΕ mice and Atx+/+ littermates. Cells were incubated with IgG-opsonized latex beads in the absence/presence of LPS (20 ng/mL, 2 h) and stained with Phalloidin (F-actin) and DAPI. Internalized beads were examined under a higher(A)Confocal laser scanning micrographs of the macrophages from Atx∆ΜΕ/∆ΜΕ mice and Atx+/+ littermates. Cells were incubated with IgG-opsonized latex beads in the absence/presence of LPS (20 ng/mL, 2 h) and stained with Phalloidin (F-actin) and DAPI. Internalized beads were examined under a lower magnification (B) to quantify % phagocytosis by dividing latex bead-positive cell numbers by the total number of DAPI-positive cells (n=11 - 16 per group). The data are analyzed with results accumulated from three independent experiments and shown as mean ± SEM (B). **P < 0.01 (Mann-Whitney U test).(C) LPS-stimulated macrophages were co-incubated with IgG-opsonized latex beads for 40 min. Phagocytic cups were visualized by F-actin staining with Phalloidin-iFluor 647. The arrow indicates the phagocytic cup formed in the plasma membrane. Scale bar is 10 μm.After LPS (20 ng/mL, 4 h) treatment, LPS-induced iNos, Arginase-1 (Arg-1), and Ym-1 mRNA expression were evaluated by semi-quantitative PCR (D).With LPS stimulation (20 ng/mL, 8 h), iNOS protein production was examined by immunoblotting analysis (E).
Figure 1(A) Time-dependent killing of a panel of bacterial isolates in the presence of meropenem (MEM10, 10 µg/ml). Cells were grown overnight and sub-cultured for 30 minutes at 37°C before being exposed to meropenem at 10 µg/mL and moved to a 37°C stationary incubator. Samples were taken at each indicated time point and spot-titered onto LB medium to quantify colony forming units (CFU/mL) throughout meropenem treatment. (B) images of cells corresponding to the time points in (A) were taken after labeling with membrane stain FM4-64. E. cloacae, Enterobacter cloacae; K. aerogenes, Klebsiella aerogenes; K. pneumoniae, Klebsiella pneumoniae; E. coli, Escherichia coli
Figure 2(D) Regulatory modes of representative VxrB-controlled genes in response to PenG. Upper plot shows VxrB binding patterns (assessed via ChIP-Seq), lower panel shows transcriptional response upon overexpression of VxrB D78E (assessed via RNA-Seq). RNA expression was confirmed by S1 nuclease mapping assay in wild type and ΔvxrAB mutant strains after exposure to PenG (100 µg/ml for 3 hours). White demarcation line between time points indicates that these data points were not adjacent in the original experiment but were cropped for presentation purposes. Source data is available as supplemental material.
Figure 3Reduction of cell wall synthesis gene expression causes a tolerance defect. (C) Survival of a ∆pbp1b ∆pbp1a Piptg:pbp1a strain after 6 hours of PenG exposure. Pup indicates conditions of high IPTG concentrations (100 µM), Pdown low IPTG concentration (2 µM). Survival fraction is cfu/ml of PenG-treated cultures normalized to untreated cultures grown in and plated on medium containing the same IPTG concentration.(D) Time-dependent killing experiment in the presence of PenG (100 µg/ml, 10 x MIC). All data are means (+/- standard error) of 3 independent biological replicates.
Figure 4(C) Time-course of iron accumulation in PenG-treated WT and ∆vxrAB cells as measured by ICP-MS. Data are average of 3 independent biological replicates, error bars represent standard deviation. ∗∗P=0.001; ∗∗∗P<0.0003 (paired t-test).
Figure 5(B). To test PenG-mediated induction of Fur-regulated genes, S1 nuclease mapping assays were performed on the small RNA ryhB, the RyhB target sodB, hutA/B, coding for heme transport systems and vc2212, which encodes a component of a ferric citrate uptake system). Cells were grown to mid-exponential phase followed by exposure to H2O2 or PenG for the indicated duration. Numbers represent expression levels normalized to untreated control (averages from three independent replicates). White demarcation line between time points indicates that these data points were not adjacent in the original experiment but were cropped for presentation purposes. Source data is available as supplemental material.
Figure 6(B) and (C) Iron uptake mutants restore ∆vxrAB growth on 10% sucrose. The indicated strains were grown to exponential phase (OD600~0.5) in LB medium and spot-plated on 10% Sucrose plates with or without additional iron sulfate. An example is shown in (B), quantification of cfu is shown in (C). Data information: Data are average of 3 independent biological replicates, error bars represent standard deviation. ∗∗∗ P<0.0003; ∗∗∗∗ P<0.0001 (paired t-test).
Figure 7(B) Excretion of V. cholerae. Fecal samples were collected every two hours and assessed for their viable cell content (Colony Forming Units, CFU) to monitor the level of V. cholerae excretion. Each symbol represents fecal samples from an individual mouse (n=4). The number of bacterial CFU was normalized per milligram of feces (CFU/mg). Error bars represent standard deviation. ∗∗ P<0.005; ∗∗∗ P<0.001 (two-way ANOVA).
Figure 8(E) Time-dependent killing of respiratory chain mutants (∆nqrA, encoding NADH dehydrogenase and ∆ubiA, encoding an early step of ubiquinone synthesis) in the presence of PenG (100 µg/ml, 10xMIC). All strains were grown in LB 0.2 % glucose. Data information: Data are mean of three independent biological replicates and error bars represent standard deviation.(F) Growth-phase dependent killing assay of ROS detoxification systems (∆fur, ∆sodB, and ∆oxyR1∆katG∆katB). At designated time-points, a 5 ml aliquot was withdrawn and exposed to 100 µg/ml PenG for 3 h. CFU/mL for each time point was assessed before (solid lines) and after addition of PenG (dotted lines). Data information: Data are mean of three independent biological replicates and error bars represent standard deviation.
Figure 1IIA1.6 B lymphoma cells were stimulated with BCR-ligand- (IgM) or BCR-ligand+ (IgG) beads for 60 min, fixed and stained for F-actin (top) and α-tubulin (bottom). Scale bar: 3 µm.Histograms show the quantifications of the polymerized tubulin and filamentous F-actin at the centrosome (dashed outline on the image, values correspond to the fraction of fluorescence in a 2-micron-wide area around the centrosome relative to the total fluorescence in the cell) and the total amount of polymerized fluorescent tubulin (bottom right, values were normalized with respect to the mean of control condition). Measurements were pooled from 3 independent experiments; IgM (BCR-ligand-): n= 88; IgG (BCR-ligand+): n= 93. Error bars correspond to standard deviations. P values were calculated with Mann-Whitney test. Scale bar: 2 µm.Percentage differences of centrosomal F-actin and centrosomal microtubule fluorescence intensities in cells stimulated with BCR-ligand+ beads with respect to cells stimulated with BCR-ligand- beads. The data set is identical to panel (B). Measurements were pooled from 3 independent experiments; IgM (BCR-ligand-): n= 88; IgG (BCR-ligand+): n= 93. Error bars correspond to standard deviations. P values were calculated with one-sample t-test (i.e. comparison to a theoretical mean of "0").The graph shows the variations of the total amount of tubulin per cell with respect to the content of actin at the centrosome in an XY representation of individual measurements. The two lines correspond to linear regressions of the two sets of data relative to cells stimulated with BCR-ligand+ (activated cells) or BCR-ligand- (resting cells) beads.IIA1.6 B lymphoma cells were fixed and immuno-stained for F-actin (red) and microtubules (green). Images show the projection of maximal intensity of three confocal slices spaced by 0.5 µm apart from the centrosome. Scale bars: 2 µm (0.5 µm in the zoomed insets).
Figure 3Two sets of representative images showing fluorescent microtubules and actin filaments assembled from isolated centrosomes. Centrosomes were isolated from Jurkat cells expressing centrin1-GFP. Upper and lower lines show actin filaments and microtubules radiating from two distinct centrosomes with low (top) and high (bottom) densities of actin filaments. Scale bars: 10 μm.The graph shows the number of microtubules per centrosome relative to the density of actin filaments. Inset shows actin filaments at the centrosome with a FIRE look-up table and a 20 µm-wide circle in which actin fluorescence intensity is measured. Measurements were pooled from 5 independent experiments; n= 50.Microtubules (top line) and actin filaments (bottom line) assembly from isolated centrosomes in the presence of increasing concentration of monomeric actin (from left to right). Scale bar: 20 μm.The graph shows the number of microtubules per centrosome in response to increasing concentrations of monomeric actin. Data were pooled from 2 independent experiments; 0 µM: n=21; 0.3 µM: n=17; 0.5 µM: n=17; 1.0 µM: n=17. ****:P<0.001 Mann-Whitney test.The image shows the density of actin filaments (in the presence of 1µM of actin monomers) at the centrosome color-coded with the FIRE look-up table and the definition of central, peripheral and distal regions corresponding to decreasing concentrations of actin filaments. Scale bar: 20 μm. The graph shows the measurements of microtubule growth rate in each region. Data were pooled from 3 independent experiments: central zone: n=58, peripheral: n=104, outside: n=61; n. s. means no statistical difference between the data set according to Mann-Whitney test.The graphs show the various intensities of centrosome immuno-staining with antibodies against gamma-tubulin on the same coverslip depending on the presence/absence of actin filaments (left) or on the amount of actin filaments (right). Data were pooled from 3 independent experiments. Left graph: without actin n=69, with actin n=26, right graph n=26. N.s. means no statistical difference between the data set according to Mann-Whitney test.
Figure 4Schematic illustration of the first dynamic assay: sequential addition of tubulin followed by tubulin and actin on isolated centrosomes. Representative images showing microtubules (top line) and the merged images of actin and microtubules (bottom line) for the two steps of the assay; in the presence of tubulin only (left column) and in the presence of tubulin and actin (right column). Scale bar: 10 µm. Quantification of the differences in the number of microtubules per centrosome between the two stages of the experiment described above on centrosomes capable (first condition), or not (second condition), to grow actin filaments. Data were collected from a single experiment; asters without actin filaments: n= 29; asters with actin filaments: n= 13. Data were analyzed using Mann-Whitney test.Schematic illustration of the second dynamic assay: tubulin is added to measure centrosome nucleation capacity and washed out. Then actin is added followed by actin and tubulin. Representative images showing microtubules (top line) and the merged images of actin and microtubule (bottom line) during the three steps of the assay; in the presence of tubulin only (left column), in the absence of tubulin and presence of actin (middle column) and in the presence of tubulin and actin (right column). Scale bar:10 µm. Arrowheads indicate microtubules unable to re-grow after assembly of actin filaments. Quantification of the differences in the number of microtubules per centrosome between the first and last steps of the experiment described above (panels D and E) on centrosomes capable (first condition), or not (second condition), to grow actin filaments. Data were pooled from 2 independent experiments; asters without actin filaments: n= 24; asters with actin filaments: n= 13. ****:P<0.001 Student t-test.
Figure 5Representative images of microtubules (top) and actin filaments (bottom) growth from micropatterns. Scale bars: 20 μm.Schematic illustration of the assay on micropatterned substrate. Tubulin was first added alone to measure the nucleation capacity of each micropattern, and then washed out. Later on, actin was added followed by actin and tubulin. Finally, actin was rinsed out and gelsolin was added to fully disassemble actin filaments. Representative images showing microtubules (top line) and the merged images of actin and microtubules (bottom line) during the four steps of the assay; in the presence of tubulin only, in the absence of tubulin and presence of actin, in the presence of tubulin and actin, and finally in the presence of tubulin and gelsolin but in the absence of actin filaments (from left to right). Scale bar: 10 μm.Quantification of the number of microtubules per micropattern in the presence of tubulin only (left), actin and tubulin (middle) and tubulin only after actin filaments disassembly (right). Data were pooled from 2 independent experiments; n= 133. ****:P<0.001 Student t-test. The graph shows the same measurements as in panel (E) in an XY representation of individual measurements. It illustrates the differences in the number of microtubules per micropattern between the first to the second step (tubulin only versus actin and tubulin together) with respect to the density of actin filaments per micropattern.
Figure 6RPE1 cells stably expressing centrin1-GFP were plated for 3 h on coverslips coated with different ratios (100:0; 50:50 or 1:99) of fibronectin and PLL-PEG prior to fixation and staining for F-actin (top line and magnified views around centrosome below. Scale bars: 10 µm and 2 µm, respectively) and α-tubulin (bottom line. Scale bar: 10 µm).IIA1.6 B lymphoma cells were plated for 60 min on poly-L-lysine, fibronectin or ICAM-1 coated cover slides prior to be fixed and stained for F-actin (top line) and α-tubulin (bottom line). Scale bar: 3 µm.Quantification of the area occupied by RPE1 cells on the substrate (top left), F-actin content at the centrosome (top right) polymerized tubulin at the centrosome (bottom left) and in the entire cell (bottom right) for the three conditions of cell adhesion described in (B). Measurements came from 3 independent experiments with more than 60 analyzed cells in each. Errors bars represent standard deviations. F-actin and microtubule contents were compared using Mann-Whitney test, and variations of the cell area were compared using unpaired t-test.Quantification of the area occupied by B lymphoma cells on the substrate (top left), F-actin content at the centrosome (top right) polymerized tubulin at the centrosome (bottom left) and in the entire cell (bottom right) for the three conditions of cell adhesion described in (D). Measurements came from 3 independent experiments with more than 80 analyzed cells in each. Errors bars represent standard deviations. F-actin and microtubule contents were compared using Mann-Whitney test, and variations of the cell area were compared using unpaired t-test.
Figure 1(G) GTT or ITT in 17-week-old wild-type or JFKTG mice fed on HFD. Error bars represent mean ± SEM (n = 6, *p < 0.05, paired two-tailed Student's t-test).(H) H&E and Oil Red O staining of liver sections from wild-type or JFKTG mice fed on ND or HFD. Scale bar, 100 μm.
Figure 2(D) The body weight of male wild-type or JfkKO mice fed on HFD. Error bars represent mean ± SEM (n = 6, *p < 0.05, paired two-tailed Student's t-test).(G) H&E and Oil Red O staining of liver sections from wild-type or JfkKO mice fed on HFD. Scale bar, 100 μm.(H) Wild-type or JfkKO mice were fed with HFD for 11 weeks prior to injection of adenovirally-delivered vector or JFK via tail vein. Seven days after injection, total proteins prepared from liver tissues were subjected to western blotting analysis for the expression of Jfk or measurement for hepatic TG and NEFA content. Error bars represent mean ± SEM (n = 6, *p < 0.05, one-way ANOVA with Tukey's HSD test). H&E and Oil Red O staining of liver sections are shown. Scale bar, 100 μm.
Figure 3(A) HepG2 cells were stably transfected with vector or FLAG-JFK. Cellular extracts were immunopurified with anti-FLAG immunoafﬁnity resin and eluted with FLAG peptides. The eluates were resolved on SDS-PAGE and silver-stained. The proteins bands were retrieved and analyzed by mass spectrometry.(B) Cellular extracts from HepG2 cells were immunoprecipitated with antibodies against ING5 followed by immunoblotting with the antibodies against the indicated proteins.
Figure 4(E) HepG2 cells were transfected with FLAG-JFK and treated with 50 μg/ml CHX for the indicated times in the presence or absence of MG132 for western blotting analysis. Quantitation was done by densitometry and expressed as signals of ING5/β-actin.(H) Bacterially-expressed GST-JFK or JFK mutants was incubated with in vitro transcribed/translated ING5 for in vitro ubiquitination assays.
Figure 5(D) ChIP-seq track at the representative promoter of target genes. The red rectangles indicate the peak regions/binding sites of ING5 on the target genes promoter.
Figure 6(C) HepG2 cells were treated with control siRNAs or siRNAs against JFK or/and ING5, or transfected with vector, JFK, or/and ING5. Cellular extracts were prepared for western blotting analysis with the indicated antibodies.(D) HepG2 cells were transfected with vector or JFK, AMPKα1, or/and ING5, or treated with control siRNAs or siRNAs against JFK, AMPKα1, or/and ING5, Cellular extracts were prepared for AMPK activity assays by ELISA. Error bars represent mean ± SD for triplicate experiments (*p < 0.05, paired two-tailed Student's t-test).