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.

     

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.

     

Phytoplasma-induced Changes in the Acetylome and Succinylome of Paulownia tomentosa Provide Evidence for Involvement of Acetylated Proteins in Witches' Broom Disease

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Highlights

• •Quantitative global proteome, acetylome and succinylome of phytoplasma-infected Paulownia tomentosa seedlings.
• •Acetylation may be more important than succinylation in response to phytoplasma infection.
• •Acetylation modified the activities of POR and RuBisCO.
• •Possible model to elucidate the molecular mechanism responses to PaWB from proteome and PTMs.

     

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.

     

Comprehensive Analysis of Individual Variation in the Urinary Proteome Revealed Significant Gender Differences

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Highlights

• •Comprehensive analysis of inter-individual variation of normal urinary proteome.
• •Significant gender differences were observed.
• •Proteins increased in female urine are enriched in immunological pathways.
• •Estimated reference intervals of proteins as the baseline for biomarker discovery.

     

Regulated Phosphosignaling Associated with Breast Cancer Subtypes and Druggability,

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Highlights

• •Our search identifies 2,134 kinase-substrate phosphosite pairs in breast cancer.
• •CDKs and MAPKs are dominant regulators of trans substrate-phosphorylation.
• •Druggability, outcomes, and immune signatures related to kinase-substrates.
• •Experimentally validated activated phosphosites of ERBB2, EIF4EBP1, and EGFR.

     

Multi-isotype Glycoproteomic Characterization of Serum Antibody Heavy Chains Reveals Isotype- and Subclass-Specific N-Glycosylation Profiles

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Highlights

• •nLC-MS/MS method to analyze immunoglobulin (Ig) N-glycopeptides from human serum.
• •Multi-isotype, site-specific characterization of immunoglobulin N-glycosylation.
• •IgA2 sequence and glycosylation-site variant analyses.
• •Platform to define disease-specific N-glycan signatures for different Ig isotypes.

     

Spatiotemporal Changes of the Phagosomal Proteome in Dendritic Cells in Response to LPS Stimulation*

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Highlights

• •Characterization of the phagosomal proteome comparing resting and LPS-treated BMDCs.
• •Label-free quantification determined 2843 phagosomal proteins.
• •Reduced recruitment of hydrolases and V-ATPase to phagosomes of LPS-treated cells.
• •Increased recruitment of antigen cross-presentation molecules to these phagosomes.

     

Complexome Profiling Reveals Association of PPR Proteins with Ribosomes in the Mitochondria of Plants

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Highlights

• •Plant mitoribosomes contain several pentatricopeptide repeat proteins.
• •The small mitoribosomal subunit is of an exceptionally large size.
• •Protein units not directly related to translation may be attached to plant mitoribosomes to confer additional functions to these molecular machines.

     

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.

     

Glycoproteogenomics: A Frequent Gene Polymorphism Affects the Glycosylation Pattern of the Human Serum Fetuin/α-2-HS-Glycoprotein

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Highlights

• •Frequent genetic polymorphism affects the glycosylation pattern of fetuin.
• •Personalized in-depth proteoform profiling of fetuin purified from 20 donors.
• •Classification of serum donors into three different genotypes.
• •Septic patients show increased level of fucosylation at N-glycolation site N176.

     

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.

     

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.

     

Cathepsin L Regulates Metabolic Networks Controlling Rapid Cell Growth and Proliferation

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Highlights

• •Cts L^−/− cells proliferate faster than wild types and shift to aerobic glycolysis.
• •LDHA is a key glycolytic enzyme controlling Cts L^−/− cell proliferation.
• •Cts L regulates LDHA expression and function.

     

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.

     

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.

     

Posttranslational Modifications Drive Protein Stability to Control the Dynamic Beer Brewing Proteome

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Highlights

• •SWATH-MS profiles protein abundance and modification during mashing in beer brewing.
• •Proteolysis due to barley proteases leads to extreme proteoform diversity.
• •Sequence-specific proteolytic clipping of proteins controls their stability.

     

Quantitative Microproteomics Based Characterization of the Central and Peripheral Nervous System of a Mouse Model of Krabbe Disease

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Highlights

• •Quantitative microproteomics to study the CNS and PNS of the Twitcher mouse.
• •10plex TMT experiments on corpus callosum, motor cortex and sciatic nerves extracts.
• •More than 400 proteins groups deregulated between Twitcher and wildtype mice.
• •New insights into the molecular mechanisms of Krabbe disease.

     

A Combined N-terminomics and Shotgun Proteomics Approach to Investigate the Responses of Human Cells to Rapamycin and Zinc at the Mitochondrial Level

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Highlights

• •Rapamycin and zinc induce moderate but significant mitochondrial proteome changes.
• •The mitochondrial proteins processing system is robust under subtoxic conditions.
• •Rapamycin and zinc perturb the mitochondrial proteins processing system.
• •Rapamycin and zinc perturb the mitochondrial proteins homeostasis.