Macrophage Phosphoproteome Analysis Reveals MINCLE-dependent and -independent Mycobacterial Cord Factor Signaling

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Highlights

• •quantitative phosphoproteome analysis of TDM-activated macrophages.
• •distinct Mincle-dependent and independent phosphorylation and gene regulations.
• •Mincle-dependent activation of PI3K/AKT signaling by TDM.
• •Mincle-independent macrophage response is linked to cell cycle regulation.

     

DECA,A Comprehensive,Automatic Post-processing Program for HDX-MS Data*

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Highlights

• •Open source software for comprehensive HDX-MS data analysis.
• •Automatic back-exchange correction options.
• •Rigorous statistical analysis of the significance of uptake differences.
• •High quality visualization tools.

     

Metabolic,Anti-apoptotic and Immune Evasion Strategies of Primary Human Myeloma Cells Indicate Adaptations to Hypoxia*

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Highlights

• •In-depth proteome profiling of primary human myeloma cells
• •Characteristics of myeloma cells are related to hypoxic bone marrow conditions
• •Myeloma cells show specific immune evasion strategies
• •Metabolic adaptations involve tumor and stroma cells

     

Unraveling Hidden Components of the Chloroplast Envelope Proteome: Opportunities and Limits of Better MS Sensitivity

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Highlights

• •Identification of previously undetected chloroplast envelope proteins.
• •Up to date manual annotation of genuine (or shared) envelope components.
• •New hypotheses for localizations, functions, interactions among cell compartments.
• •A new resource of significant value to the broader plant science community.

     

Temporal Proteomic Analysis of Pancreatic β-Cells in Response to Lipotoxicity and Glucolipotoxicity

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Highlights

• •Temporal proteome profiling of lipotoxicity and glucolipotoxicity in β-cells
• •Palmitate induced cholesterol metabolism earlier than fatty acid metabolism
• •Setd8 promotes palmitate + glucose-stimulated INS-1 cell proliferation
• •PA induced apoptosis partially via upregulation of Rhob in INS-1 cells

     

Global Interactomics Uncovers Extensive Organellar Targeting by Zika Virus

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Highlights

• •BioID and IP-MS were conducted to generate a global ZIKV-host protein interactome
• •Interactome consists of >3000 high confidence ZIKV-host protein interactions
• •Data mining indicates that ZIKV proteins interact with multiple host cell organelles
• •An important role for peroxisomes in ZIKV infection is uncovered

     

A Platform for Extracellular Interactome Discovery Identifies Novel Functional Binding Partners for the Immune Receptors B7-H3/CD276 and PVR/CD155

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Highlights

• •New platform for high throughput detection of transient interactions between membrane proteins.
• •IL20RA is a receptor for the orphan checkpoint inhibitor B7-H3.
• •The natural killer cell protein KIR2DL5A binds the immune receptor PVR.
• •KIR2DL5 binding to PVR regulates natural killer cell cytotoxicity and inhibits tumor cell killing.
• •Elucidation of receptor interactomes to gain insights into extracellular protein biology.

     

HLA-DO Modulates the Diversity of the MHC-II Self-peptidome

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Highlights

• •MHC-II-bound peptide repertoires from DO-sufficient and DO-deficient cells.
• •Fewer unique peptides and core epitopes were presented in the absence of DO.
• •Immunopeptidome differences appeared to result from reduced DM editing.
• •DO-dependent self-epitopes elicited CD4 T cell responses in mice.

     

Proteomics of Asrij Perturbation in Drosophila Lymph Glands for Identification of New Regulators of Hematopoiesis

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Highlights

• •First report on the quantitative proteomic profiling of Drosophila lymph glands.
• •Comparative proteomic analysis under conditions of perturbed blood cell homeostasis.
• •Resource for identifying new regulators of insect and vertebrate hematopoiesis.

     

A New Tool to Reveal Bacterial Signaling Mechanisms in Antibiotic Treatment and Resistance

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Highlights

• •Quantitative (phospho)proteome analysis of antibiotic treatment in E. coli.
• •Largest bacterial phosphorylation catalogue.
• •Specific phosphorylation motifs changes during resistance development.
• •Phosphorylation mediated signaling could be a potential target for drug design.

     

Why Glycosylation Matters in Building a Better Flu Vaccine

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Highlights

• •Glycosylation is not currently considered in flu vaccine design.
• •Glycosylation influences on immunodominance are not well understood.
• •Identification of site-specific glycosylation using mass spectrometry has matured.
• •New methods are needed to quantify site-specific glycosylation for vaccine design.

     

MaxQuant.Live Enables Global Targeting of More Than 25,000 Peptides

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Highlights

• •MaxQuant.Live controls Orbitrap mass analyzers in real-time.
• •Freely available apps enable advanced data acquisition strategies.
• •On-the-fly mass, retention time and intensity recalibration.
• •Global targeting unifies shotgun and targeted proteomics.

     

Comprehensive Analysis of the Lysine Succinylome and Protein Co-modifications in Developing Rice Seeds

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Highlights

• •Nonenzymatically Ksu proteins shown different pattern from native cell Ksu proteins.
• •Motif preference of Ksu proteins was associated with different biological processes.
• •Up to 67 developing rice seeds proteins contain PTMs of Kac, Ksu, Kcr, Kmal, and Khib.
• •Some lysine residues of the key pathway enzymes are modified by succinylation.

     

Common Metabolic Pathways Implicated in Resistance to Chemotherapy Point to a Key Mitochondrial Role in Breast Cancer,

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Highlights

• •OMICS distinguish cancer cells from resistant or cancer stem cells.
• •Bactericidal antibiotics and mitochondria.
• •Linezolid and anticancer therapy.

     

Virulence Factors Produced by Staphylococcus aureus Biofilms Have a Moonlighting Function Contributing to Biofilm Integrity

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Highlights

• •Establishment of a flow system allowing multi-omics analysis of S. aureus biofilms.
• •Biofilm proteome profiling (intracellular and ECM) plus metabolic footprint analysis.
• •Virulence factors and ribosomal proteins stabilize the ECM as moonlighting proteins.
• •They act as electrostatic bridges between anionic cell surfaces, eDNA and metabolites.

     

Identification of a Specific Translational Machinery via TCTP–EF1A2 Interaction Regulating NF1-associated Tumor Growth by Affinity Purification and Data-independent Mass Spectrometry Acquisition (AP-DIA),

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Highlights

• •AP-DIA/SWATH analysis to identify TCTP-interacting proteins in NF1 tumor cells.
• •A highly specific TCTP–EF1A2 interaction but rather than TCTP–EF1A1 interaction.
• •TCTP–EF1A2 interaction mediating formation of EF1A2-elogation factor complex.
• •TCTP–EF1A2 dependent translation machinery regulating NF1 tumor cell growth.

     

Data-independent Acquisition Improves Quantitative Cross-linking Mass Spectrometry

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Highlights

• •Quantitative cross-linking mass spectrometry (QCLMS) was automated by Spectronaut.
• •Data-independent acquisition (DIA) was adapted to QCLMS.
• •Accuracy and precision of quantitation improves with DIA over DDA.
• •QCLMS is now ready for use in complex samples.

     

Proteomic Profiling of Paired Interstitial Fluids Reveals Dysregulated Pathways and Salivary NID1 as a Biomarker of Oral Cavity Squamous Cell Carcinoma,

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Highlights

• •Proteome profiling of tissue interstitial fluids (TIFs) of oral cancer.
• •Pathway of aminoacyl tRNA biosynthesis enriched in proteome of TIFs.
• •Verification of nidogen-1 as a salivary biomarker of oral cancer.
• •High correlation between elevated tissue level of nidogen-1 and poor survival.

     

Global Proteome and Ubiquitinome Changes in the Soluble and Insoluble Fractions of Q175 Huntington Mice Brains

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Highlights

• •Quantitative changes in global proteome and ubiquitinome in Huntington's disease.
• •Differential ubiquitination of wild-type and mutant Htt in mice brain.
• •Enriched pathways include vesicle transport and mRNA processing.
• •Correlation between protein and diGly site fold changes.