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

     

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.

     

Analysis of Endogenous Peptides Released from Osteoarthritic Cartilage Unravels Novel Pathogenic Markers,

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Highlights

• •Shotgun identification of neopeptides released from osteoarthritic cartilage.
• •Specific endogenous peptides from the cartilage ECM are measured by MRM.
• •Identification of neopeptides differentially generated from diseased tissue.
• •The peptide DSNKIETIPN shows the best metrics as biomarker of OA cartilage.

     

Bayesian Confidence Intervals for Multiplexed Proteomics Integrate Ion-statistics with Peptide Quantification Concordance,

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Highlights

• •Bayesian Beta-Binomial model integrates ion statistics with peptide ratio agreement.
• •Model appropriately interprets information from low signal peptides.
• •Confidence can be assigned even without replicates.
• •Model adds sensitivity to detection of small changes.

     

Chasing Tails: Cathepsin-L Improves Structural Analysis of Histones by HX-MS,

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Highlights

• •Cathepsin-L is introduced as a novel protease for HX-MS studies.
• •Cathepsin-L improves resolution of traditionally challenging histone tails.
• •Cathepsin-L can be readily combined with pepsin for improved protein coverage.
• •In-solution dynamics of the H3.1 and H4 monomers reveal extensive EX1 kinetics.

     

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.

     

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.

     

The Systemin Signaling Cascade As Derived from Time Course Analyses of the Systemin-responsive Phosphoproteome,

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Highlights

• •Definition of early systemin-responsive phosphorylation time course.
• •Reconstruction of kinase-substrate relationships from phosphorylation time profiles.
• •Phosphatase PLL5 rapidly dephosphorylated H⁺-ATPase LHA1 inducing alkalinization of the medium.
• •MAP-Kinase MPK2 re-phosphorylated LHA1 after 15 minutes.

     

Sucrose-induced Receptor Kinase 1 is Modulated by an Interacting Kinase with Short Extracellular Domain,

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Highlights

• •Functional role of a yet uncharacterized receptor kinase QSK1.
• •Activation model for SIRK1 receptor kinase in a heteromer with QSK1.
• •Role of QSK1 in substrate recruitment and stabilization of the complex.

     

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.

     

Conodipine-P1-3, the First Phospholipases A2 Characterized from Injected Cone Snail Venom*

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Highlights

• •Three novel Conodipines P1-3 in the injected venom of Conus purpurascens.
• •Conodipines P1-3 have consensus catalytic characteristics of sPLA₂.
• •We determined multiple modification sites in Conodipines P1-3.
• •Evaluated the activity of Conohyal-P1 by a MS-based method.

     

Quantitative Early Auxin Root Proteomics Identifies GAUT10, a Galacturonosyltransferase,as a Novel Regulator of Root Meristem Maintenance

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Highlights

• •Auxin responsive proteins in Arabidopsis roots were identified from 3,514 detected proteins.
• •All six auxin receptors are stable in response to hormone via novel MRM assays.
• •The >100 differentially expressed proteins exhibit dynamic and transient responses to auxin.
• •Phenotypic screening of the top responsive proteins uncovered several novel root mutants.

     

Simultaneous Improvement in the Precision,Accuracy, and Robustness of Label-free Proteome Quantification by Optimizing Data Manipulation Chains,

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Highlights

• •High-quality LFQ is valuable technique yet remains extremely challenging.
• •Fluctuating precision, limited robustness, and compromised accuracy are known issues.
• •We proposed a strategy collectively improving LFQ precision, robustness, and accuracy.
• •An online tool incorporating this novel strategy was also developed.

     

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.

     

PTMiner: Localization and Quality Control of Protein Modifications Detected in an Open Search and Its Application to Comprehensive Post-translational Modification Characterization in Human Proteome,

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Highlights

• •PTMiner software for intelligent post-processing of open-search results.
• •Unrestrictive modification site localization based on a Bayesian model.
• •Extended transfer FDR estimation for accurate grouped FDR estimation.
• •Comprehensive PTM characterization in a draft map of human proteome.

     

Proteomics,Glycomics, and Glycoproteomics of Matrisome Molecules

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Highlights

• •Highly glycosylated matrisome proteins and their binding partners comprise extracellular networks that mediate tissue-specific cellular microenvironments.
• •Elucidation of roles of matrisome molecules in disease mechanisms requires detailed mapping of matrisome glycosylation and other post-translational modifications.
• •We review tissue workup methods for matrisome proteomics, glycomics and glycoproteomics.
• •The combination of proteomics, glycomics and glycoproteomics profiles matrisome protein modifications distinct from those studied by immunohistochemistry.

     

Integrated Succinylome and Metabolome Profiling Reveals Crucial Role of S-Ribosylhomocysteine Lyase in Quorum Sensing and Metabolism of Aeromonas hydrophila,

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Highlights

• •A global lysine succinylome was investigated in A. hydrophila.
• •The lysine succinylation modifications play crucial role on various metabolic pathways.
• •Reversible succinylation on Lys23 and Lys30 regulates the activity of S-ribosylhomocysteine lyase LuxS.
• •Lysine succinylation modifications of LuxS affect quorum sensing and metabolism.

     

Mapping Spatiotemporal Microproteomics Landscape in Experimental Model of Traumatic Brain Injury Unveils a link to Parkinson's Disease,

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Highlights

• •Spatiotemporal microproteomics analysis of TBI.
• •Injury site microproteomics reveal distinct phases in 10-day frame post TBI.
• •Uninjured proteomic profile is restored in TBI at 10 days post injury.
• •Substantia nigra protein post 3 days suggest link to Parkinson's disease.