EMBO/sd-character-level-ner huggingface dataset:
Figure 4(A) HeLa cells co-transfected with indicated HA tagged enzymes (GCS, LCS, GM3S and Gb3S) and GRASP55-GFP were lysed, immunoprecipitated with anti-GFP antibody or control IgG and were analysed by western blotting for interaction by immunoblotting (IB) with anti-HA antibody. I represents 5% on the input lysate, U 5% of the unbound fraction and IP the immunoprecipitate. Red asterisks indicate IgG bands and arrow heads indicates the expected position of HA-tagged enzymes (B) WI-26 fibroblasts were transfected with the indicated HA-tagged enzymes were lysed, immunoprecipitated with anti-HA antibody or control IgG and were analysed by western blotting for interaction by immunoblotting with the indicated antibodies. (C) Chemically synthesized biotinylated peptides corresponding to cytosolic portions of glycosylation enzymes were bound to avidin beads and were used to pull down interactors from HeLa cell lysates and subjected to immunoblotting with anti-GRASP55 antibody. (D) The interaction of chemically synthesized biotinylated peptides, corresponding to cytosolic portions of glycosylation enzymes, with purified His-tagged full-length GRASP55 and their interaction was monitored by pulling down the biotinylated peptides bound to avidin beads followed by western blotting with anti-His tag antibody. (E) Chemically synthesized biotinylated peptides corresponding to cytosolic portions of GCS (WT and Δ3C) and indicated purified GST-tagged GRASP domain or SPR region of GRASP55 were incubated together and their interaction was monitored by pulling down the biotinylated peptides with avidin beads followed by western blotting with an anti-GST tag antibody. (F) ITC profile, representative of at least 2 independent experiments, for biotinylated GCS and GCS Δ3C cytosolic tails with recombinant GRASP55. (G) The molecular basis of interaction between GRASP55 and ceramide glucosyltransferase C-terminal peptide is studied by building a model of GRASP55:GCS peptide structure in the absence of the complex crystal structure. The carboxylate group of Leu of 'LDV' motif retains conserved hydrogen bonds with the backbone of 95LLGV98motif of GRASP55. Gly97 residue, which crucial to GRASP:GCS interaction is highlighted (pink). (H) The interactions of chemically synthesized biotinylated peptides corresponding to cytosolic portions of GCS (WT) with the indicated purified GST-tagged GRASP domain (WT) or GRASP domain (G97D) were monitored by pulling down the biotinylated peptides with avidin beads followed by western blotting with an anti-GST tag antibody. (I) HeLa cells were transfected with either WT GCS or GCS Δ3C, treated with nocodazole (33 µM) for 3 hours and labelled for enzymes, GM130, and TGN46 (to mark CGN and TGN respectively). Line scan analysis was performed and the relative position of enzymes was quantitated and plotted. (J) HeLa cells were transfected with either WT GCS or GCS Δ3C for 16 hours and processed for cryo-immunolabeling. Distribution of indicated enzymes across the Golgi stack was quantified and represented as fraction of Gold particles in each cisterna. (n indicated in the graph; data are Mean ± SEM).
Figure 1(A) Schematic depicting the identification of EI24 and BiP as IRE1 interaction proteins. HeLa cells transfected with HA-IRE1 were subjected to anti-HA immunoprecipitation followed by mass spectrometry assay. (B, Sequential dissociation of EI24 and BiP from IRE1 elicits a two-phase activation of IRE1 in response to ER stress. Cells were treated with 4 μM tunicamycin (TM) for the indicated times. The interactions of EI24 and BiP with IRE1 were analyzed by immunoprecipitation , C) Sequential dissociation of EI24 and BiP from IRE1 elicits a two-phase activation of IRE1 in response to ER stress. Cells were treated with 4 μM tunicamycin (TM) for the indicated times. IRE1 phosphorylation was analyzed by immunoblotting. The curve displays the coordination of IRE1 phosphorylation with the dissociation of EI24 and BiP (C). (D) EI24 knockout promotes the activation of IRE1, but not PERK or ATF6. Control (sgGFP) and EI24 knockout (sgEI24) HeLa cells were treated with 4 μM TM for the indicated times. Protein expression was analyzed by immunoblotting. (E EI24 knockout promotes XBP1u splicing into XBP1s and XBP1s protein production Cells were treated as in (D). Protein extracts were analyzed for XBP1s protein production by immunoblotting. , F) EI24 knockout promotes ERdj4 and RAMP4 gene expressions (F). Cells were treated as in (D). RNA extracts were analyzed for XBP1u mRNA splicing by PCR, and for ERdj4 and RAMP4 mRNA expressions by Q-PCR. Data are mean ± SEM (n = 3 biologically independent replicates). *P < 0.05, **P < 0.01, ***P < 0.001; two-tailed Student's t-test. (G) Expression of Flag-EI24 in EI24 knockout cells inhibits IRE1 activity. Flag-Metap2 served as the control. Cells transfected with the indicated cDNAs were treated with or without 4 μM TM for 2 hr. Protein expression was analyzed by immunoblotting.
Figure 3A. Schematic representation of the human FBXL4 protein with amino acid positions of mutations found in patients (P1, P2 and P3). Relative positions of the F-box, leucine-rich repeat (LRR) and antagonist of mitotic exit network protein 1 (AMN1) domains are shown. B. Relative mtDNA content in fibroblasts from patients and controls as determined by qRT-PCR using an ND6 probe and normalized to nuclear genomic DNA content using an 18S probe. Individual values are presented for each sample, as well as their mean ± SEM values. C. Steady-state protein levels in three control and three FBXL4 patient-derived fibroblasts analyzed by western blotting. D. Quantification of the western blot in (C). Signals from the control and FBXL4-mutated cells were considered as biological replicates, normalized to the average of controls and displayed as mean ± SEM (n=3 for each). Student's t-test; *, p<0.05; **, p<0.01; ***, p<0.001. E. Quantification of nuclear and mitochondrial transcript levels in control and patient fibroblasts. The results from control and patient cells were averaged, normalized to controls and displayed as mean ± SEM (n=3 biological replicates for each condition). F. Quantitative TMT-based proteomic analysis of control and patient fibroblasts. Proteins from three control and three patient fibroblast cell lines were TMT-labelled, quantified and analyzed separately as described in Materials and Methods; the data from control and patients were averaged after the analysis and presented as -log10 of the adjusted p-value vs log2-fold change (logFC). Mitochondrial proteins were selected according to human MitoCarta 2.0 (Calvo et al, 2016) and highlighted in blue; lysosomal proteins were selected according to hLGDB database (Brozzi et al, 2013) and highlighted in yellow. G. Log2FC correlation analysis of Mouse Liver proteomic dataset and Fibroblast Proteomic dataset. Proteins with a log2FC > 0.5 are highlighted in black and lysosomal proteins are highlighted in yellow.
Figure 6(A) Primary root length of Col-0 wild type plants or eir1-1 mutant plants was measured using the ImageJ program 3 days after 5 mM KNO3 or KCl treatments. Tukey box plot show results from 3 independent biological replicates per experimental condition (n = 10-15 roots each replicate). The box plot shows the data within the interquartile range (25th and 75th percentiles) and a solid black line represents the median. Whiskers show maximum and minimum values no further than 1.5x IQR (interquartile range). Outlier data are plotted individually. Asterisk indicates statistically significant difference between analyzed by unpaired, two-tailed and assuming equal variance t-test (** p < 0.01). (B) Number of initiating and emerging lateral roots of Col-0 or eir1-1 mutant plants were counted using light microscopy 3 days after 5 mM KNO3 or KCl treatments. Tukey box plot show results from 3 independent biological replicates per experimental condition (n = 10-15 roots each replicate). The box plot shows the data within the interquartile range (25th and 75th percentiles) and a solid black line represents the median. Whiskers show maximum and minimum values no further than 1.5x IQR (interquartile range). Asterisk indicates statistically significant difference between analyzed by unpaired, two-tailed and assuming equal variance t-test (** p < 0.01).
Figure 4A, B, C LepB (A), EmrD (B), and EmrD(-) (C) are translated for the times indicated and subjected to PK treatment (Materials and Methods). Sensitivity to PK in the absence of SecYEG (black circles) or in the presence of SecYEG (red squares), and co-translational translocon insertion monitored by FRET (blue trace) are depicted. Error bars represent standard deviations (n≥3) and the corresponding lines represent fits to delay-exponential functions.
Inhibition of GRK2 activity inhibits canonical Wnt signaling.Figure 7(A) Control (+/+) and Grk2-/- NIH3T3 cells were transfected with the TOPflash Firefly (F) luciferase vector together with a control Renilla (R) luciferase vector, treated with Wnt3A (100 ng/ml) for 24 hours and subjected to dual-luciferase assay. Note the impaired response to Wnt3A in Grk2-/- cells. Mean ± SEM. Mann-Whitney U test; number of biological experiments is indicated. (B) Control (+/+) and Grk2-/- NIH3T3 cells were treated with 40 ng/ml Wnt3A for 1 hour. Note the lower LRP6 expression and inhibited Wnt3A-induced LRP6 phosphorylation in the Grk2-/- NIH3T3 cells. Mean ± SEM. Welch´s t-test; number of biological experiments is indicated. Loss of LRP6 phosphorylation in chondrocytes treated with the GRK2 inhibitor CMPD101. Control human R00-082 chondrocytes (C) were treated with 20 µM CMPD101 overnight and then treated with 100 ng/ml Wnt3A for 1 hour. Note the less LRP6 phosphorylation (pS1490- and pT1572-LRP6) in cells treated with CMPD101. Mean ± SEM. Mann-Whitney U test; number of biological experiments is indicated. Loss of LRP6 phosphorylation in chondrocytes treated with the GRK2 inhibitor CMPD101. rat chondrosarcoma (RCS) cells (D) were treated with 20 µM CMPD101 overnight and then treated with 100 ng/ml Wnt3A for 1 hour. Note the less LRP6 phosphorylation (pS1490- and pT1572-LRP6) in cells treated with CMPD101. Mean ± SEM. Mann-Whitney U test; number of biological experiments is indicated. Loss of interaction between Frizzled 4 (FZD4) and ß-Arrestin 2 (ARRB2) in Grk2-/- NIH3T3 cells. (E) Proximity ligation assay (PLA) between expressed FZD4-GFP and ARRB2-Flag showed significantly reduced proximity events between the two proteins in Grk2-/- cells. White dashed lines outline the transfected cells. Central band, median. Box, 1st-3rd quartile. Whiskers, 10%-90% percentile. Mann-Whitney U test; number of biological experiments and the total numbers of analyzed cells are indicated. Scale bars, 10 µm. Loss of interaction between Frizzled 4 (FZD4) and ß-Arrestin 2 (ARRB2) in Grk2-/- NIH3T3 cells. (F) GRK2 addback rescued the interaction. White dashed lines outline the transfected cells. Central band, median. Box, 1st-3rd quartile. Whiskers, 10%-90% percentile. Mann-Whitney U test; number of biological experiments and the total numbers of analyzed cells are indicated. Scale bars, 10 µm.
a) Representative confocal micrographs of mitochondrial morphology in MEFs of the indicated genotype 24 h after transfection with mtYFP.figf1(a) Representative confocal micrographs of mitochondrial morphology in MEFs of the indicated genotype 24 h after transfection with mtYFP. Where indicated, cells were starved for 2.5 h. Scale bar, 20 μm. (b) Morphometric analysis of mitochondrial shape. Experiments were carried out as in a. Data represent mean ± s.e.m. of three independent experiments (n=100 cells per condition in each experiment). (c) Top left, 48 h after transfection with the indicated siRNA, MEFs were lysed and 25 μg samples of proteins were separated by DS-polyacrylamide gel electrophoresis (PAGE) and immunoblotted with the indicated antibodies. Top right and bottom, representative images show mitochondrial morphology of MEFs transfected with the indicated siRNA and after 24 h with mtYFP. After a further 24 h, confocal micrographs were acquired. Scale bar, 20 μm. Uncropped images of blots are shown in Supplementary Fig. S8. (d) Morphometric analysis of mitochondrial shape. Experiments were carried out as in c. Data represent mean ± s.e.m. of five independent experiments (n=100 cells per condition in each experiment). (e) Representative images of mitochondrial fusion over time (indicated in min). MEFs were co-transfected with mtPAGFP and mtRFP and after 24 h, mtPAGFP was photoactivated in a region of interest and cells were imaged by real-time confocal microscopy. Where indicated, MEFs were starved for 2.5 h. Scale bar, 20 μm. See also Supplementary Movies S1 and S2. (f,g) Quantification of mitochondrial fusion in MEFs of the indicated genotype. Experiments were carried out as in e. Data represent mean ± s.e.m. of four independent experiments. (h) Representative electron micrographs of muscle (longitudinal sections; four top micrographs) and liver (four bottom micrographs) from CD1 mice. Where indicated, mice were fasted for 12 h. The outlined regions of micrographs from muscle samples are magnified ×7 in the images below. Scale bars, 2 μm.
Growth rate and replication dynamics in BJ cells grown under various folate concentrations with and without nucleoside supplementation.Figure 2A Population doublings (PDs) determined in BJ cells cultured at the indicated folate concentrations for 48 days. B, C The average replication rate ± SEM (B) and the average fork distance ± SEM (C) in the indicated folate concentrations at 14 and 21 days. At least 115 DNA fibers were analyzed at each concentration and at each time point to determine the average replication rate. At least 71 replication forks were analyzed at each concentration and at each time point to determine the average fork distance. D-G BJ cells were grown for 14 days in 100 nM folate with and without nucleoside supplementation. (D) Fork rate (Kb/min) distribution. Light blue bars: BJ cells (n = 115); gray bars: BJ cells that were cultured for 14 days in 100 nM folate (n = 117); blue bars: BJ cells cultured for 14 days in 100 nM folate and supplemented with A, G, C, and T nucleosides for the last 48 h of the experiment (n = 117). (E) Box plot summarizing the fork rate distribution (Kb/min) of three independent experiments. Control (n = 352); 100 nM folate (n = 364); 100 nM folate + AGCT (n = 355). Main box represents the values from the lower to upper quartile (25th to 75th percentile). The middle line represents the median. (F) Fork distance (Kb) distribution. The color code is as in (D). Control (n = 69); 100 nM folate (n = 74); 100 nM folate + AGCT (n = 72). (G) Box plot summarizing the fork distance distribution (Kb) of three independent experiments. Control (n = 201); 100 nM folate (n = 220); 100 nM folate + AGCT (n = 228). Main box represents the values from the lower to upper quartile (25th to 75th percentile). The middle line represents the median. **P < 0.001.
Pulmonary infiltrates in a rhesus macaque after inoculation.Figure 2. Pulmonary infiltrates in a rhesus macaque after inoculation.Radiographs show the progression of pulmonary infiltrates throughout the study in a single animal. Of note, this animal is denoted with a black triangle throughout the manuscript. Circles indicate areas of mild to moderate pulmonary infiltrates. A marker ® indicates right side of the animal.
a) The effect of ROCK1 depletion on autophagy marker, LC3II.f3(a) The effect of ROCK1 depletion on autophagy marker, LC3II. MEF ROCK1flox/flox cells were generated and treated with Con or Ad-Cre for 72 h. Cells were then incubated in nutrient-rich (+Glucose) or HBSS media for 2 h. Cell extracts were resolved by SDS-PAGE and ROCK1 KO was confirmed by western blotting (left panel). The same blot was used for LC3 and β-actin expression. Cells from the same experiment were fixed with chilled acetone and immunofluroscence was performed against endogenous LC3 (red). Blue represents nuclear DAPI staining. Scale bar, 20 μm. (b) EJ cells (left) with a stable knockdown using shCont. or shROCK1#1 were incubated in control (+glucose) or nutrient-free (HBSS) medium (−glucose) for 24 h and lysed. Lysates were subjected to western blotting with antibodies indicated. HeLa cells (right) with a transient knockdown using siCont. and siROCK1#2 for 30 h were further incubated in control or HBSS media for 8 h. Whole cell extracts were prepared, resolved by SDS-PAGE and analysed for ROCK1, LC3 and β-actin. Relative ratios of LC3II/LC3I are shown. (c) HeLa cells were treated with H2O or 10 μM ROCK1 inhibitor, Y27632, for 8 h. Cells were then cultured in high glucose (0 h) or starved for in HBSS nutrient-free media for 6 h. One hour before collection, cells were incubated in dimethylsulphoxide (control) or 0.1 μM bafilomycin-A1. Whole cell lysates were resolved by SDS-PAGE and were analysed by western blotting with indicated antibodies. (d) HeLa cells incubated with H2O or 10 μM Y27632 for 8 h were washed with PBS and cultured in control (+Glu) or HBSS media (−Glu) for an additional 8 h. Cells were fixed in acetone and immunofluorescence was performed against endogenous LC3 antibody (green). Scale bar, 20 μm. Graph represents % of LC3 punctae/cell (mean±s.d.), n=25 cells; (Student's t-test) **P=0.00041. (e) Transmission electron micrographs of EJ cells with stable shCont. or shROCK1#1 knockdown, cultured in control or HBSS medium for 16 h. Arrow bars indicate autophagic vacuoles. Scale bar, 500 nm.
HOPS role in p53 stability and p53 ubiquitination.Figure 4A HOPS loss and p53 half-life. Hops+/+ and Hops−/− MEFs untransfected or transfected with HOPS, were analysed by immunoblotting following cycloheximide treatment for the indicated time (left panel). The p53 protein levels were semi-quantified using GAPDH as loading control and relative p53 levels at time 0 were assumed as 100% (right panel). Data information: all the experiments in MEFs were performed three times. Representative panels are shown. In A data are presented as mean ±SD. B p19Arf-independent HOPS control of p53 half-life. p19Arf−/− MEFs untransfected (CTRL), transfected with empty vector (pSGV) or HOPS were treated with cycloheximide for the indicated times and subjected to immunoblot analysis with anti-p53, anti-HOPS and anti-GAPDH antibodies (left panel). The p53 protein levels were semi-quantified as above (right panel). Data information: all the experiments in MEFs were performed three times. Representative panels are shown. In B data are presented as mean ±SD. C HOPS and p53 ubiquitination. p53, HDM2, His-tagged ubiquitin were co-expressed in H1299 cells with HOPS or HOPS-G176A or HOPS-K126A mutants and treated with MG132. p53 ubiquitination rate was evaluated by elution using Ni2+-NTA His-bind resin followed by immunoblotting with anti-p53 and the indicated antibodies. D HOPS depletion and HOPS-G176A mutant affect p53 ubiquitination. Hops+/+ and Hops−/− MEFs untransfected and Hops−/− MEFs transfected with HOPS or HOPS-G176A mutant were co-expressed with p53, HDM2 and His-tagged ubiquitin. Cells were treated with MG132 and the ubiquitinated p53 fraction was recovered as above. Immunodetection of ubiquitinated p53 was performed using anti-p53 antibody and the samples were tested with the indicated antibodies. Data information: all the experiments in MEFs were performed three times. Representative panels are shown. E HOPS-G176A mutant ability to stabilize p53. Hops−/− MEFs were transfected with HOPS-G176A, subjected to cycloheximide treatment for the indicated times and analysed by immunoblotting using the indicated antibodies. Data information: all the experiments in MEFs were performed three times. Representative panels are shown.
Expression of APG8.Figure 3Expression of APG8. A, The lysates prepared from the growing cells were subjected to immunoblotting with the anti-Apg8p antibody. Lane 1, wild-type cells (YW5-1B); lane 2, Δapg8 cells harboring APG8 on a multicopy vector (TK201); lane 3, Δapg8 cells (TK404). B, The wild-type (YW5-1B) cells were cultured in YEPD medium until 1-2 × 107 cells/ml (0 h) and shifted to SD(−N) medium for 0.5, 1, 2, 3, 4.5, and 6 h at 30°C. The amount of Apg8p was estimated by immunoblotting with anti-Apg8p antibody. Each lane has 10 μg of total protein. C, YW5-1B cells were cultured in YEPD medium until 1-2 × 107 cells/ml (0 h) and shifted to SD(−N) medium for 0.5, 1, 2, and 6 h at 30°C, and mRNA was prepared from each culture as described in Materials and Methods. APG8 mRNA and ACT1 mRNA were detected by Northern blotting with each specific probe. Each lane has 4 μg of total mRNA. D, YW5-1B cells were cultured in YEPD medium until 1 × 107 cells/ml at 30°C. Rapamycin was added to the culture at a final concentration of 0.2 μg/ml and the cells were further incubated in YEPD medium for two hours at 30°C. Western blotting was performed with the anti-Apg8p antibody. Each lane has 20 μg of total protein.
Figure 2A Confocal microscopy image of endogenous SIRT5 co-localized with endogenous MAVS in H1299 cells detected by immunofluorescence staining using anti-SIRT5 and anti-MAVS antibodies. Mito, Mitotracker; Scale bar = 8 µm. B-C Co-immunoprecipitation of Myc-SIRT5 with HA-MAVS and vice versa. HEK293T cells were co-transfected with indicated plasmids for 24 h. Anti-Myc (B) or anti-HA antibody conjugated agarose beads (C) were used for immunoprecipitation and the interaction was detected by immunoblotting with the indicated antibodies. Data information: IP, immunoprecipitation; TCL, total cell lysates. D Endogenous interaction between MAVS and SIRT5. Anti-MAVS antibody was used for immunoprecipitation, and normal mouse IgG was used as a control. Data information: IP, immunoprecipitation; TCL, total cell lysates. E Endogenous interaction between MAVS and SIRT5 in the wildtype (WT) (MAVS +/+) or SIRT5-deficient (MAVS -/-) H1299 cells. Anti-MAVS antibody was used for immunoprecipitation, and the interaction was detected by immunoblotting with anti-SIRT5 antibody. Data information: IP, immunoprecipitation; TCL, total cell lysates. F GST pull-down assay for GST-tagged MAVS and His-tagged SIRT5. GST-tagged MAVS and His-tagged SIRT5 were expressed in Escherichia coli (BL21), respectively. The association of GST-MAVS with His-SIRT5 was detected by immunoblotting with anti-SIRT5 antibody. GST and GST-MAVS proteins were stained with Coomassie blue. G Schematic of MAVS domains interacted with SIRT5. The interaction is indicated by plus (+) sign. H-I Co-immunoprecipitation analysis of HA-SIRT5 with Flag-MAVS-truncated mutants. HEK293T cells were co-transfected with the indicated plasmids. Anti-Flag antibody conjugated agarose beads were used for immunoprecipitation and the interaction was analyzed by immunoblotting with the indicated antibodies. Flag-MAVS fragments (WT: full length; ΔC1, 1-173 aa; ΔC2, 1-513 aa; ΔN1, 91-540 aa; ΔN2, 173-540 aa; ΔCARD, Δ10-77 aa; ΔPR, Δ103-173 aa; ΔTM, Δ514-535 aa). Data information: IP, immunoprecipitation; TCL, total cell lysates.