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.

     

Exploring Regulation of Protein O-Glycosylation in Isogenic Human HEK293 Cells by Differential O-Glycoproteomics

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Highlights

• •A panel of HEK293 isogenic cell lines with knockout of GALNT genes.
• •Identification of nonredundant O-glycosylation sites regulated by specific GalNAc-T isoforms.
• •GalNAc-T7 and T10 contribute to follow-up activity in regions of high density O-glycosylation.
• •GalNAc-T11 specifically controls O-glycosylation of specific linker regions in the low-density lipoprotein receptor related proteins.

     

Critical Role of a Sheath Phosphorylation Site On the Assembly and Function of an Atypical Type VI Secretion System

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Highlights

• •Phosphorylation on Y139 of the sheath protein IglB of Francisella.
• •IglB substitutions Y139A, Y139D or Y139E prevent T6SS formation.
• •Y139F substitution delays but does not abolish phagosomal escape in macrophages.
• •Insight into the role of sheath phosphorylation in T6SS biogenesis.

     

Salmonella Effectors SseK1 and SseK3 Target Death Domain Proteins in the TNF and TRAIL Signaling Pathways*

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Highlights

• •MS-based method to detect native arginine-GlcNAcylation during Salmonella infection.
• •Demonstration that SseK1 targets TRADD, whereas SseK3 targets the death receptors, TNFR1 and TRAILR.
• •Evidence that effector overexpression results in misleading identification of host targets.
• •Crystal structure of SseK3.

     

Multidimensional Proteomics Identifies Declines in Protein Homeostasis and Mitochondria as Early Signals for Normal Aging and Age-associated Disease in Drosophila,

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Highlights

• •Proteomic landscapes of Drosophila somatic and reproductive tissues during aging.
• •Pulsed metabolic labeling determines a decline in protein synthesis with age.
• •Drosophila model of human Parkinson's disease signifies an early-onset decline in protein synthesis.
• •Collapse of proteostasis and mitochondria are early signals for normal aging.

     

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.

     

Quantitative Proteomics of the 2016 WHO Neisseria gonorrhoeae Reference Strains Surveys Vaccine Candidates and Antimicrobial Resistance Determinants

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Highlights

• •Quantitative proteomes of the 2016 WHO Neisseria gonorrhoeae reference strains.
• •Novel gonorrhea vaccine candidates and potential global proteomic AMR markers.
• •First large-scale proteomic profiling of gonorrhea vaccine candidates and AMR.
• •A reference proteomics databank for gonococcal vaccine and AMR research endeavors.

     

Effects of Size and Geographical Origin on Atlantic salmon,Salmo salar,Mucin O-Glycan Repertoire

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Highlights

• •Atlantic salmon O-glycome expanded to 169 structures in three epithelia.
• •Low interindividual variation amongst all populations and geographical regions.
• •Small variations in glycosylation between geographical locations and fish size.
• •Prominent fucosylation in gastrointestinal mucins from Tasmanian fish.

     

Decreased Antibiotic Susceptibility Driven by Global Remodeling of the Klebsiella pneumoniae Proteome

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Highlights

• •Global proteomic remodeling alters antibiotic susceptibility in K. pneumoniae.
• •Drug specific transport, sugar utilization, central metabolism, capsule synthesis.
• •Common pathways of reactive oxygen scavenging, turnover of misfolded proteins.
• •Integrated adjustments and unique drug-specific features for drug combinations.

     

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.

     

Integrated Analysis of Transcriptomic,miRNA and Proteomic Changes of a Novel Hybrid Yellow Catfish Uncovers Key Roles for miRNAs in Heterosis

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Highlights

• •mRNA-seq, miRNA-seq, proteomes of P. fulvidraco, P. vachelli, hybrid Huangyou-1.
• •Predicted miRNA-mRNA-protein pairs were found and validated by qRT-PCR and PRM.
• •Immune, metabolism, digestion, absorption, proliferation, development generate heterosis.
• •High parental gene/protein with low parental miRNAs inherit from the mother or father.

     

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.

     

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.

     

Knockout of the Hmt1p Arginine Methyltransferase in Saccharomyces cerevisiae Leads to the Dysregulation of Phosphate-associated Genes and Processes

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Highlights

• •Knockout of arginine methyltransferase Hmt1p in S. cerevisiae was investigated.
• •RNA-seq and SILAC MS/MS found downregulation of phosphate-associated processes.
• •Phosphate homeostasis and extracellular levels of acid phosphatases were perturbed.
• •Pho4p was an in vitro Hmt1p substrate, but this was not confirmed in vivo.

     

The Proteome of Pig Spermatozoa Is Remodeled During Ejaculation

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Highlights

• •Proteome of mature boar spermatozoa from cauda epididymal and ejaculated sources were analyzed by iTRAQ-based LC-MS/MS.
• •1,723 sperm proteins identified (974 of Sus scrofa taxonomy).
• •1,602 sperm proteins quantified (960 of Sus scrofa taxonomy).
• •32 Sus scrofa sperm proteins were differentially expressed among sperm sources.
• •The proteome of boar spermatozoa is remodelled during ejaculation.