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den Ridder M, Daran-Lapujade P, Pabst M. Shot-gun proteomics: why thousands of unidentified signals matter. FEMS Yeast Res 2019; 20:5682490. [DOI: 10.1093/femsyr/foz088] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 12/19/2019] [Indexed: 12/14/2022] Open
Abstract
ABSTRACT
Mass spectrometry-based proteomics has become a constitutional part of the multi-omics toolbox in yeast research, advancing fundamental knowledge of molecular processes and guiding decisions in strain and product developmental pipelines. Nevertheless, post-translational protein modifications (PTMs) continue to challenge the field of proteomics. PTMs are not directly encoded in the genome; therefore, they require a sensitive analysis of the proteome itself. In yeast, the relevance of post-translational regulators has already been established, such as for phosphorylation, which can directly affect the reaction rates of metabolic enzymes. Whereas, the selective analysis of single modifications has become a broadly employed technique, the sensitive analysis of a comprehensive set of modifications still remains a challenge. At the same time, a large number of fragmentation spectra in a typical shot-gun proteomics experiment remain unidentified. It has been estimated that a good proportion of those unidentified spectra originates from unexpected modifications or natural peptide variants. In this review, recent advancements in microbial proteomics for unrestricted protein modification discovery are reviewed, and recent research integrating this additional layer of information to elucidate protein interaction and regulation in yeast is briefly discussed.
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Affiliation(s)
- Maxime den Ridder
- Delft University of Technology, Department of Biotechnology, van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Pascale Daran-Lapujade
- Delft University of Technology, Department of Biotechnology, van der Maasweg 9, 2629 HZ Delft, The Netherlands
| | - Martin Pabst
- Delft University of Technology, Department of Biotechnology, van der Maasweg 9, 2629 HZ Delft, The Netherlands
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Duport C, Alpha-Bazin B, Armengaud J. Advanced Proteomics as a Powerful Tool for Studying Toxins of Human Bacterial Pathogens. Toxins (Basel) 2019; 11:toxins11100576. [PMID: 31590258 PMCID: PMC6832400 DOI: 10.3390/toxins11100576] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 09/27/2019] [Accepted: 09/30/2019] [Indexed: 12/15/2022] Open
Abstract
Exotoxins contribute to the infectious processes of many bacterial pathogens, mainly by causing host tissue damages. The production of exotoxins varies according to the bacterial species. Recent advances in proteomics revealed that pathogenic bacteria are capable of simultaneously producing more than a dozen exotoxins. Interestingly, these toxins may be subject to post-transcriptional modifications in response to environmental conditions. In this review, we give an outline of different bacterial exotoxins and their mechanism of action. We also report how proteomics contributed to immense progress in the study of toxinogenic potential of pathogenic bacteria over the last two decades.
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Affiliation(s)
- Catherine Duport
- SQPOV, UMR0408, Avignon Université, INRA, F-84914 Avignon, France
- Correspondence:
| | - Béatrice Alpha-Bazin
- Laboratoire Innovations technologiques pour la Détection et le Diagnostic (Li2D), Service de Pharmacologie et Immunoanalyse (SPI), CEA, INRA, F-30207 Bagnols sur Cèze, France; (B.A.-B.); (J.A.)
| | - Jean Armengaud
- Laboratoire Innovations technologiques pour la Détection et le Diagnostic (Li2D), Service de Pharmacologie et Immunoanalyse (SPI), CEA, INRA, F-30207 Bagnols sur Cèze, France; (B.A.-B.); (J.A.)
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Tatli M, Hebert AS, Coon JJ, Amador-Noguez D. Genome Wide Phosphoproteome Analysis of Zymomonas mobilis Under Anaerobic, Aerobic, and N 2-Fixing Conditions. Front Microbiol 2019; 10:1986. [PMID: 31551951 PMCID: PMC6737584 DOI: 10.3389/fmicb.2019.01986] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 08/13/2019] [Indexed: 11/29/2022] Open
Abstract
Protein phosphorylation is a post-translational modification with widespread regulatory roles in both eukaryotes and prokaryotes. Using mass spectrometry, we performed a genome wide investigation of protein phosphorylation in the non-model organism and biofuel producer Zymomonas mobilis under anaerobic, aerobic, and N2-fixing conditions. Our phosphoproteome analysis revealed 125 unique phosphorylated proteins, belonging to major pathways such as glycolysis, TCA cycle, electron transport, nitrogen metabolism, and protein synthesis. Quantitative analysis revealed significant and widespread changes in protein phosphorylation across growth conditions. For example, we observed increased phosphorylation of nearly all glycolytic enzymes and a large fraction of ribosomal proteins during aerobic and N2-fixing conditions. We also observed substantial changes in the phosphorylation status of enzymes and regulatory proteins involved in nitrogen fixation and ammonia assimilation during N2-fixing conditions, including nitrogenase, the Rnf electron transport complex, the transcription factor NifA, GS-GOGAT cycle enzymes, and the PII regulatory protein. This suggested that protein phosphorylation may play an important role at regulating all aspects of nitrogen metabolism in Z. mobilis. This study provides new knowledge regarding the specific pathways and cellular processes that may be regulated by protein phosphorylation in this important industrial organism and provides a useful road map for future experiments that investigate the physiological role of specific phosphorylation events in Z. mobilis.
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Affiliation(s)
- Mehmet Tatli
- DOE Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, WI, United States.,Department of Bacteriology, University of Wisconsin-Madison, Madison, WI, United States
| | - Alexander S Hebert
- DOE Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, WI, United States.,Genome Center of Wisconsin, Madison, WI, United States
| | - Joshua J Coon
- DOE Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, WI, United States.,Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, WI, United States.,Department of Chemistry, University of Wisconsin-Madison, Madison, WI, United States.,Morgridge Institute for Research, Madison, WI, United States
| | - Daniel Amador-Noguez
- DOE Great Lakes Bioenergy Research Center, University of Wisconsin-Madison, Madison, WI, United States.,Department of Bacteriology, University of Wisconsin-Madison, Madison, WI, United States
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Gaviard C, Jouenne T, Hardouin J. Proteomics ofPseudomonas aeruginosa: the increasing role of post-translational modifications. Expert Rev Proteomics 2018; 15:757-772. [DOI: 10.1080/14789450.2018.1516550] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Charlotte Gaviard
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, PBS, 76000, Rouen, France
- PISSARO proteomic facility, IRIB, 76821 Mont-Saint-Aignan, France
| | - Thierry Jouenne
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, PBS, 76000, Rouen, France
- PISSARO proteomic facility, IRIB, 76821 Mont-Saint-Aignan, France
| | - Julie Hardouin
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, PBS, 76000, Rouen, France
- PISSARO proteomic facility, IRIB, 76821 Mont-Saint-Aignan, France
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Gaviard C, Broutin I, Cosette P, Dé E, Jouenne T, Hardouin J. Lysine Succinylation and Acetylation in Pseudomonas aeruginosa. J Proteome Res 2018; 17:2449-2459. [DOI: 10.1021/acs.jproteome.8b00210] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Charlotte Gaviard
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, PBS, 76000 Rouen, France
- PISSARO Proteomic Facility, IRIB, 76821 Mont-Saint-Aignan, France
| | - Isabelle Broutin
- LCRB, UMR 8015, CNRS, University Paris Descartes, Sorbonne Paris City, 75270 Paris Cedex 06, France
| | - Pascal Cosette
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, PBS, 76000 Rouen, France
- PISSARO Proteomic Facility, IRIB, 76821 Mont-Saint-Aignan, France
| | - Emmanuelle Dé
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, PBS, 76000 Rouen, France
- PISSARO Proteomic Facility, IRIB, 76821 Mont-Saint-Aignan, France
| | - Thierry Jouenne
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, PBS, 76000 Rouen, France
- PISSARO Proteomic Facility, IRIB, 76821 Mont-Saint-Aignan, France
| | - Julie Hardouin
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, PBS, 76000 Rouen, France
- PISSARO Proteomic Facility, IRIB, 76821 Mont-Saint-Aignan, France
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