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Donnarumma D, Di Salle A, Micalizzi G, Vento F, La Tella R, Iannotta P, Trovato E, Melone MAB, Rigano F, Donato P, Mondello L, Peluso G. Human blood lipid profiles after dietary supplementation of different omega 3 ethyl esters formulations. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1231:123922. [PMID: 37976941 DOI: 10.1016/j.jchromb.2023.123922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/17/2023] [Accepted: 11/03/2023] [Indexed: 11/19/2023]
Abstract
The validity of omega 3 fatty acids (ω3 FAs), mainly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), as dietary supplements has been widely proved. It's well known in fact, that they protect against cardiovascular diseases, reduce the levels of triacylglycerides (TAGs) and cholesteryl esters (CEs) in blood, and have anti-inflammatory activity. For these reasons, in the last few years the production of dietary supplement containing ω3 has increased significantly. In this context, the possibility to obtain ω3 and other high value molecules from alternative sources as fish waste, in accordance with the principles of circular economy, becomes an enormous attractive. In addition, the opportunity of creating new products, with greater health benefits, represents an interesting challenge. The current study was focused on the extraction of ω3 fatty acids and peptides from tuna waste industry, to realize a new dietary supplement. To this purpose, a supercritical fluid extraction (SFE) method was developed to separate, isolate, and enrich the different fractions subsequently used to produce an innovative formulate. The obtained supplement was characterized in terms of fatty acids esterified ester (FAEE) composition by gas chromatography (GC) coupled to both flame ionization detection (FID) and mass spectrometry (MS), and content of heavy metals by inductively coupled plasma-mass spectrometry (ICP-MS). The effects of ω3 supplementation on metabolism and circulating lipid profiles was tested on 12 volunteers and assessed by GC-FID analysis of whole blood collected on paper support (Dried Blood Spot, DBS) at the beginning of the study and after thirty days. The results of plasma fatty acids levels after 30 days showed a significant decrease in the ω6/ω3 ratio, as well as the saturated/polyunsaturated fatty acids (SFA/PUFA) ratio, compared to subjects who took the ω3 ethyl esters unformulated. The novel formulated supplements proved to be extremely interesting and promising products, due to a significant increase in bioavailability, that makes it highly competitive in the current panorama of the nutraceutical industry.
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Affiliation(s)
- Danilo Donnarumma
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Anna Di Salle
- Research Institute on Terrestrial Ecosystems (IRET) - CNR, Naples, Italy
| | - Giuseppe Micalizzi
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Federica Vento
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Roberta La Tella
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | | | - Emanuela Trovato
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.
| | - Mariarosa Anna Beatrice Melone
- Department of Advanced Medical and Surgical Sciences, 2nd Division of Neurology, Center for Rare Diseases and InterUniversity Center for Research in Neurosciences, University of Campania Luigi Vanvitelli, Naples, Italy; Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, Temple University, Philadelphia, PA 19122-6078, USA.
| | - Francesca Rigano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Paola Donato
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Luigi Mondello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy; Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Gianfranco Peluso
- Research Institute on Terrestrial Ecosystems (IRET) - CNR, Naples, Italy; Faculty of Medicine and Surgery, Saint Camillus International University of Health and Medical Sciences, Rome, Italy
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Eddehech A, Rahier R, Donnarumma D, Rigano F, Noiriel A, Abousalham A, Cacciola F, Mondello L, Zarai Z. Development of a highly efficient oil degumming process using a novel phosphatidylinositol-specific phospholipase C enzyme from Bacillus thuringiensis PL14. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Donnarumma D, Arena A, Trovato E, Rigano F, Zoccali M, Mondello L. A miniaturized comprehensive approach for total lipidome analysis and vitamin D metabolite quantification in human serum. Anal Bioanal Chem 2023:10.1007/s00216-023-04756-x. [PMID: 37225899 PMCID: PMC10208917 DOI: 10.1007/s00216-023-04756-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 04/26/2023] [Accepted: 05/12/2023] [Indexed: 05/26/2023]
Abstract
The balance between the different lipid molecules present in biological fluids accurately reflects the health state of the organism and can be used by medical personnel to finely tune therapy to a single patient, a process known as precision medicine. In this work, we developed a miniaturized workflow for the analysis of different lipid classes at the intact level, as well as their fatty acid constituents, starting from human serum. Fatty acids were identified by using flow-modulated comprehensive gas chromatography coupled to mass spectrometry (FM-GC × GC-MS), and their relative amount as well as the ratio of specific FA classes was determined by using FM-GC × GC with a flame ionization detector. Ultra-high-performance liquid chromatography coupled to tandem mass spectrometry was used for the simultaneous quantification of vitamin D metabolites and assessment of different intact lipid classes. An MRM method was developed for the quantification of five vitamin D metabolites (vitamin D2, vitamin D3, 25-hydroxyvitamin D2, 25-hydroxyvitamin D3, 24R,25-dihydroxyvitamin D3), and validated in terms of LoD, LoQ, accuracy, and precision, also using a certified reference material. At the same time, a combination of SCAN, precursor ion scan, and neutral loss scan, in both positive and negative modes, was used for the identification of 81 intact lipid species, such as phospholipids, cholesteryl esters, and triacylglycerols, in less than 25 min. In order to easily monitor the lipid composition and speed up the identification process, a two-dimensional map of the lipidome was generated, by plotting the molecular weight of the identified molecules versus their retention time. Moreover, a relative quantification was performed within each lipid class identified. The combination of untargeted and targeted data could provide useful information about the pathophysiological condition of the organism and evaluate, in a tailored manner, an efficient action.
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Affiliation(s)
- Danilo Donnarumma
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168, Messina, Italy
| | - Alessia Arena
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168, Messina, Italy
| | - Emanuela Trovato
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168, Messina, Italy
| | - Francesca Rigano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168, Messina, Italy
| | - Mariosimone Zoccali
- Department of Mathematical and Computer Science, Physical Sciences and Earth Sciences, University of Messina, 98168, Messina, Italy.
| | - Luigi Mondello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168, Messina, Italy
- Chromaleont S.R.L., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168, Messina, Italy
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Stincone P, Fonseca Veras F, Micalizzi G, Donnarumma D, Vitale Celano G, Petras D, de Angelis M, Mondello L, Brandelli A. Listeria monocytogenes exposed to antimicrobial peptides displays differential regulation of lipids and proteins associated to stress response. Cell Mol Life Sci 2022; 79:263. [PMID: 35482131 PMCID: PMC11071860 DOI: 10.1007/s00018-022-04292-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 04/03/2022] [Accepted: 04/04/2022] [Indexed: 11/25/2022]
Abstract
With the onset of Listeria monocytogenes resistance to the bacteriocin nisin, the search for alternative antimicrobial treatments is of fundamental importance. In this work, we set out to investigate proteins and lipids involved in the resistance mechanisms of L. monocytogenes against the antimicrobial peptides (AMPs) nisin and fengycin. The effect of sub-lethal concentrations of nisin and lipopeptide fengycin secreted by Bacillus velezensis P34 on L. monocytogenes was investigated by mass spectrometry-based lipidomics and proteomics. Both AMPs caused a differential regulation of biofilm formation, confirming the promotion of cell attachment and biofilm assembling after treatment with nisin, whereas growth inhibition was observed after fengycin treatment. Anteiso branched-chain fatty acids were detected in higher amounts in fengycin-treated samples (46.6%) as compared to nisin-treated and control samples (39.4% and 43.4%, respectively). In addition, a higher relative abundance of 30:0, 31:0 and 32:0 phosphatidylglycerol species was detected in fengycin-treated samples. The lipidomics data suggest the inhibition of biofilm formation by the fengycin treatment, while the proteomics data revealed downregulation of important cell wall proteins involved in the building of biofilms, such as the lipoteichoic acid backbone synthesis (Lmo0927) and the flagella-related (Lmo0718) proteins among others. Together, these results provide new insights into the modification of lipid and protein profiles and biofilm formation in L. monocytogenes upon exposure to antimicrobial peptides.
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Affiliation(s)
- Paolo Stincone
- Laboratório de Bioquímica e Microbiologia Aplicada, ICTA-UFRGS, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, Porto Alegre, 91501-970, Brazil
| | - Flávio Fonseca Veras
- Laboratório de Bioquímica e Microbiologia Aplicada, ICTA-UFRGS, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, Porto Alegre, 91501-970, Brazil
| | - Giuseppe Micalizzi
- Chromaleont S.R.L., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, viale Annunziata, 98168, Polo AnnunziataMessina, Italy
| | - Danilo Donnarumma
- Chromaleont S.R.L., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, viale Annunziata, 98168, Polo AnnunziataMessina, Italy
| | - Gaetano Vitale Celano
- Department of Veterinary Medicine, University of Bari Aldo Moro, Prov. le Casamassima, km 3, Valenzano, 70010, Bari, Italy
| | - Daniel Petras
- CMFI Cluster of Excellence, Interfaculty Institute of Microbiology and Medicine, University of Tübingen, 72076, Tübingen, Germany
| | - Maria de Angelis
- Department of Soil, Plant and Food Sciences, University of Bari Aldo Moro, 70126, Bari, Italy
| | - Luigi Mondello
- Chromaleont S.R.L., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, viale Annunziata, 98168, Polo AnnunziataMessina, Italy
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Polo Annunziata, viale Annunziata, 98168, Messina, Italy
| | - Adriano Brandelli
- Laboratório de Bioquímica e Microbiologia Aplicada, ICTA-UFRGS, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, Porto Alegre, 91501-970, Brazil.
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Cucinotta L, De Grazia G, Salerno TMG, Donnarumma D, Donato P, Sciarrone D, Mondello L. Overcoming the lack of reliability associated to monodimensional gas chromatography coupled to isotopic ratio mass spectrometry data by heart-cut two-dimensional gas chromatography. J Chromatogr A 2021; 1655:462473. [PMID: 34464784 DOI: 10.1016/j.chroma.2021.462473] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/07/2021] [Accepted: 08/10/2021] [Indexed: 11/17/2022]
Abstract
The use of IRMS as a GC detector has a history going back decades, however the critical issue of wrong δ13C measurements resulting from impure peaks has been often underestimated. To this regard, multidimensional separation techniques are effective tools to improve the reliability of the data, with respect to those obtained after monodimensional analysis. The present research aims to draw attention to one critical issue, related to the reliability of the δ13C data obtained by means of monodimensional GC-C-IRMS. Although already known from the literature, such aspect has been greatly overlooked, as is reflected in the few papers reporting the use of MDGC, among the plethora of published research dealing with GC-C-IRMS applications. Hereby, a set of natural samples of complex composition were analysed to investigate the presence of minor or even undetected coelutions, and to which extent it affected the isotope ratio determination. Apart from chromatographic effects, and issues related to analytes conversion to CO2 prior to IRMS measurement, unpredictable co-elutions with compounds, either resulting from oxidation or intentionally added in fraudulent practices, could also contribute to a shift of the δ13C data, up to 10‰ and higher. Last, the influence of column bleed was investigated, as affecting the determination of the δ13C data for compounds that were eluted at high temperatures. It was finally demonstrated by the selected key studies that implementation of MDGC separation is mandatory to prevent the aforementioned issues, aiming to guarantee accurate results. In the light of the above conclusions, and considering the level of automation of heart-cut devices nowadays available, routine practice of MDGC results highly recommendable in any IRMS applications.
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Affiliation(s)
- Lorenzo Cucinotta
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy; Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach, via Mach 1, San Michele all'Adige, 38010, Italy
| | - Gemma De Grazia
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
| | - Tania Maria Grazia Salerno
- BeSep s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental, Sciences, University of Messina, 98168 Messina, Italy
| | - Danilo Donnarumma
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
| | - Paola Donato
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, 98125 Messina, Italy
| | - Danilo Sciarrone
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy.
| | - Luigi Mondello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy; BeSep s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental, Sciences, University of Messina, 98168 Messina, Italy; Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
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Donnarumma D, La Tella R, Vento F, Salerno TMG, Micalizzi G, Rigano F, Mondello L. Evaluation of the Level of Toxic Contaminants and Essential Molecules in the Context of the Re-Use of Tuna Fishery Industry by-Products. FOOD ANAL METHOD 2021. [DOI: 10.1007/s12161-021-02045-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Cacciola F, Arena K, Mandolfino F, Donnarumma D, Dugo P, Mondello L. Reversed phase versus hydrophilic interaction liquid chromatography as first dimension of comprehensive two-dimensional liquid chromatography systems for the elucidation of the polyphenolic content of food and natural products. J Chromatogr A 2021; 1645:462129. [PMID: 33864987 DOI: 10.1016/j.chroma.2021.462129] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/22/2021] [Accepted: 03/25/2021] [Indexed: 12/19/2022]
Abstract
Comprehensive two-dimensional liquid chromatography is a well-established method for the unraveling of very complex real-world samples. With regard to food and natural products such a technique turned out to be a very promising approach due to its high resolving power and improved identification capability, especially in combination with mass spectrometry. In this context, polyphenols comprise a particular complex class of bioactive compounds, due to their nature and content in commonly consumed foodstuffs, making their analysis challenging. The present contribution shows an overview of the two commonly employed approaches used for polyphenol analysis, viz. RP-LC × RP-LC and HILIC × RP-LC. Furthermore, the latest implementations as well as limitations and future perspectives are critically reported.
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Affiliation(s)
- Francesco Cacciola
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, 98125 Messina, Italy.
| | - Katia Arena
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
| | - Filippo Mandolfino
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
| | - Danilo Donnarumma
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
| | - Paola Dugo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy; Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
| | - Luigi Mondello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy; Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy; Department of Sciences and Technologies for Human and Environment, University Campus Bio-Medico of Rome, 00128 Rome, Italy; BeSep s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98168 Messina, Italy
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Rigano F, Arena P, Mangraviti D, Donnarumma D, Dugo P, Donato P, Mondello L, Micalizzi G. Identification of high-value generating molecules from the wastes of tuna fishery industry by liquid chromatography and gas chromatography hyphenated techniques with automated sample preparation. J Sep Sci 2021; 44:1571-1580. [PMID: 33617095 DOI: 10.1002/jssc.202100108] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 02/17/2021] [Accepted: 02/17/2021] [Indexed: 02/03/2023]
Abstract
The present work aims to a promising re-utilization of the massive waste derived from the tuna fishing industry, for which by-products can represent more than 50% of the original material. Due to the considerable content in polyunsaturated fatty acids and noble proteins, such wastes can be used as primary source of functional ingredients in the production of nutraceuticals. The composition of the lipid and protein tuna fractions was investigated by means of gas chromatography-mass spectrometry and high-performance liquid chromatography-tandem mass spectrometry methods (in wastes and edible parts), and a preliminary characterization of potential bioactive peptides was achieved. Automated sample preparation allowed speeding up the analytical workflow, while allowing for highly sensitive and selective lipid characterization. The ω3 fatty acid content was found higher in waste products compared to the muscle, in terms of fatty acids as well as complex lipids. As for peptides, extraction by isoelectric solubilization/precipitation was performed, followed by enzymatic digestion and high-performance liquid chromatography-tandem mass spectrometry analysis. Furthermore, the use of bioinformatics tools highlighted the presence of potential antimicrobial peptides in the samples investigated.
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Affiliation(s)
- Francesca Rigano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Paola Arena
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Domenica Mangraviti
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Danilo Donnarumma
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Paola Dugo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.,Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.,BeSep s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Paola Donato
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Messina, Italy
| | - Luigi Mondello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.,Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.,BeSep s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Giuseppe Micalizzi
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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Peschiera I, Giuliani M, Giusti F, Melero R, Paccagnini E, Donnarumma D, Pansegrau W, Carazo JM, Sorzano COS, Scarselli M, Masignani V, Liljeroos LJ, Ferlenghi I. Structural basis for cooperativity of human monoclonal antibodies to meningococcal factor H-binding protein. Commun Biol 2019; 2:241. [PMID: 31263785 PMCID: PMC6595007 DOI: 10.1038/s42003-019-0493-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 05/29/2019] [Indexed: 11/23/2022] Open
Abstract
Monoclonal antibody (mAb) cooperativity is a phenomenon triggered when mAbs couples promote increased bactericidal killing compared to individual partners. Cooperativity has been deeply investigated among mAbs elicited by factor H-binding protein (fHbp), a Neisseria meningitidis surface-exposed lipoprotein and one of the key antigens included in both serogroup B meningococcus vaccine Bexsero and Trumenba. Here we report the structural and functional characterization of two cooperative mAbs pairs isolated from Bexsero vaccines. The 3D electron microscopy structures of the human mAb-fHbp-mAb cooperative complexes indicate that the angle formed between the antigen binding fragments (fAbs) assume regular angle and that fHbp is able to bind simultaneously and stably the cooperative mAbs pairs and human factor H (fH) in vitro. These findings shed light on molecular basis of the antibody-based mechanism of protection driven by simultaneous recognition of the different epitopes of the fHbp and underline that cooperativity is crucial in vaccine efficacy.
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Giussani S, Pietrocola G, Donnarumma D, Norais N, Speziale P, Fabbrini M, Margarit I. The Streptococcus agalactiae complement interfering protein combines multiple complement-inhibitory mechanisms by interacting with both C4 and C3 ligands. FASEB J 2018; 33:4448-4457. [PMID: 30566365 PMCID: PMC6404586 DOI: 10.1096/fj.201801991r] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Group B Streptococcus (GBS) colonizes the human lower intestinal and genital tracts and constitutes a major threat to neonates from pregnant carrier mothers and to adults with underlying morbidity. The pathogen expresses cell-surface virulence factors that enable cell adhesion and penetration and that counteract innate and adaptive immune responses. Among these, the complement interfering protein (CIP) was recently described for its capacity to interact with the human C4b ligand and to interfere with the classical- and lectin-complement pathways. In the present study, we provide evidence that CIP can also interact with C3, C3b, and C3d. Immunoassay-based competition experiments showed that binding of CIP to C3d interferes with the interaction between C3d and the complement receptor 2/cluster of differentiation 21 (CR2/CD21) receptor on B cells. By B-cell intracellular signaling assays, CIP was confirmed to down-regulate CR2/CD21-dependent B-cell activation. The CIP domain involved in C3d binding was mapped via hydrogen deuterium exchange–mass spectrometry. The data obtained reveal a new role for this GBS polypeptide at the interface between the innate and adaptive immune responses, adding a new member to the growing list of virulence factors secreted by gram-positive pathogens that incorporate multiple immunomodulatory functions.—Giussani, S., Pietrocola, G., Donnarumma, D., Norais, N., Speziale, P., Fabbrini, M., Margarit, I. The Streptococcus agalactiae complement interfering protein combines multiple complement-inhibitory mechanisms by interacting with both C4 and C3 ligands.
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Affiliation(s)
- Stefania Giussani
- GlaxoSmithKline (GSK), Siena, Italy; and.,Unit of Biochemistry, Molecular Medicine Department, University of Pavia, Pavia, Italy
| | - Giampiero Pietrocola
- Unit of Biochemistry, Molecular Medicine Department, University of Pavia, Pavia, Italy
| | | | | | - Pietro Speziale
- Unit of Biochemistry, Molecular Medicine Department, University of Pavia, Pavia, Italy
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Donnarumma D, Maestri C, Giammarinaro PI, Capriotti L, Bartolini E, Veggi D, Petracca R, Scarselli M, Norais N. Native State Organization of Outer Membrane Porins Unraveled by HDx-MS. J Proteome Res 2018; 17:1794-1800. [PMID: 29619829 DOI: 10.1021/acs.jproteome.7b00830] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Hydrogen-deuterium exchange (HDx) associated with mass spectrometry (MS) is emerging as a powerful tool to provide conformational information about membrane proteins. Unfortunately, as for X-ray diffraction and NMR, HDx performed on reconstituted in vitro systems might not always reflect the in vivo environment. Outer-membrane vesicles naturally released by Escherichia coli were used to carry out analysis of native OmpF through HDx-MS. A new protocol compatible with HDx analysis that avoids hindrance from the lipid contents was setup. The extent of deuterium incorporation was in good agreement with the X-ray diffraction data of OmpF as the buried β-barrels incorporated a low amount of deuterium, whereas the internal loop L3 and the external loops incorporated a higher amount of deuterium. Moreover, the kinetics of incorporation clearly highlights that peptides segregate well in two distinct groups based exclusively on a trimeric organization of OmpF in the membrane: peptides presenting fast kinetics of labeling are facing the complex surrounding environment, whereas those presenting slow kinetics are located in the buried core of the trimer. The data show that HDx-MS applied to a complex biological system is able to reveal solvent accessibility and spatial arrangement of an integral outer-membrane protein complex.
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Giuliani M, Bartolini E, Galli B, Santini L, Lo Surdo P, Buricchi F, Bruttini M, Benucci B, Pacchiani N, Alleri L, Donnarumma D, Pansegrau W, Peschiera I, Ferlenghi I, Cozzi R, Norais N, Giuliani MM, Maione D, Pizza M, Rappuoli R, Finco O, Masignani V. Human protective response induced by meningococcus B vaccine is mediated by the synergy of multiple bactericidal epitopes. Sci Rep 2018; 8:3700. [PMID: 29487324 PMCID: PMC5829249 DOI: 10.1038/s41598-018-22057-7] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 02/13/2018] [Indexed: 12/21/2022] Open
Abstract
4CMenB is the first broad coverage vaccine for the prevention of invasive meningococcal disease caused by serogroup B strains. To gain a comprehensive picture of the antibody response induced upon 4CMenB vaccination and to obtain relevant translational information directly from human studies, we have isolated a panel of human monoclonal antibodies from adult vaccinees. Based on the Ig-gene sequence of the variable region, 37 antigen-specific monoclonal antibodies were identified and produced as recombinant Fab fragments, and a subset also produced as full length recombinant IgG1 and functionally characterized. We found that the monoclonal antibodies were cross-reactive against different antigen variants and recognized multiple epitopes on each of the antigens. Interestingly, synergy between antibodies targeting different epitopes enhanced the potency of the bactericidal response. This work represents the first extensive characterization of monoclonal antibodies generated in humans upon 4CMenB immunization and contributes to further unraveling the immunological and functional properties of the vaccine antigens. Moreover, understanding the mechanistic nature of protection induced by vaccination paves the way to more rational vaccine design and implementation.
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Affiliation(s)
| | | | | | | | | | | | - M Bruttini
- GSK, Siena, Italy.,University of Siena, Siena, Italy
| | - B Benucci
- GSK, Siena, Italy.,University of Siena, Siena, Italy
| | | | | | | | | | - I Peschiera
- GSK, Siena, Italy.,University of Bologna, Bologna, Italy
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13
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Abstract
Surfactant solutions exhibit multilamellar surfactant vesicles (MLVs) under flow conditions and in concentration ranges which are found in a large number of industrial applications. MLVs are typically formed from a lamellar phase and play an important role in determining the rheological properties of surfactant solutions. Despite the wide literature on the collective dynamics of flowing MLVs, investigations into the flow behavior of single MLVs are scarce. In this work, we investigate a concentrated aqueous solution of linear alkylbenzene sulfonic acid (HLAS), characterized by MLVs dispersed in an isotropic micellar phase. Rheological tests show that the HLAS solution is a shear-thinning fluid with a power law index dependent on the shear rate. Pressure-driven shear flow of the HLAS solution in glass capillaries is investigated using high-speed video microscopy and image analysis. The so obtained velocity profiles provide evidence for a power-law fluid behaviour of the HLAS solution and images show a flow-focusing effect of the lamellar phase in the central core of the capillary. The flow behavior of individual MLVs shows analogies with that of unilamellar vesicles and emulsion droplets. Deformed MLVs exhibit typical shapes of unilamellar vesicles, such as parachute and bullet-like. Furthermore, MLV velocity follows the classical Hetsroni theory for droplets provided that the power law shear dependent viscosity of the HLAS solution is taken into account. The results of this work are relevant for the processing of surfactant-based systems in which the final properties depend on the flow-induced morphology, such as cosmetic formulations and food products.
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Affiliation(s)
- A Pommella
- Dipartimento di Ingegneria Chimica dei Materiali e della Produzione Industriale (DICMAPI) Università di Napoli Federico II, P.le Tecchio, 80, 80125 Napoli, Italy.
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14
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Chandramouli S, Malito E, Nguyen T, Luisi K, Donnarumma D, Xing Y, Norais N, Yu D, Carfi A. Structural basis for potent antibody-mediated neutralization of human cytomegalovirus. Sci Immunol 2017; 2:2/12/eaan1457. [DOI: 10.1126/sciimmunol.aan1457] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 05/19/2017] [Indexed: 11/02/2022]
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15
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Donnarumma D, Faleri A, Costantino P, Rappuoli R, Norais N. The role of structural proteomics in vaccine development: recent advances and future prospects. Expert Rev Proteomics 2016; 13:55-68. [PMID: 26714563 DOI: 10.1586/14789450.2016.1121113] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Vaccines are the most effective way to fight infectious diseases saving countless lives since their introduction. Their evolution during the last century made use of the best technologies available to continuously increase their efficacy and safety. Mass spectrometry (MS) and proteomics are already playing a central role in the identification and characterization of novel antigens. Over the last years, we have been witnessing the emergence of structural proteomics in vaccinology, as a major tool for vaccine candidate discovery, antigen design and life cycle management of existing products. In this review, we describe the MS techniques associated to structural proteomics and we illustrate the contribution of structural proteomics to vaccinology discussing potential applications.
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16
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Verrier N, Donnarumma D, Tessier G, Gross M. High numerical aperture holographic microscopy reconstruction with extended z range. Appl Opt 2015; 54:9540-9547. [PMID: 26560784 DOI: 10.1364/ao.54.009540] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A holographic microscopy reconstruction method compatible with a high numerical aperture microscope objective (MO) up to NA=1.4 is proposed. After off-axis and reference field curvature corrections, and after selection of the +1 grating order holographic image, a phase mask that transforms the optical elements of the holographic setup into an afocal device is applied in the camera plane. The reconstruction is then made by the angular spectrum method. The field is first propagated in the image half-space from the camera to the afocal image of the MO optimal plane (the plane for which the MO has been designed) by using a quadratic kernel. The field is then propagated from the MO optimal plane to the object with the exact kernel. Calibration of the reconstruction is made by imaging a calibrated object such as a USAF resolution target for different positions along z. Once the calibration is done, the reconstruction can be made with an object located in any plane z. The reconstruction method has been validated experimentally with a USAF target imaged with a NA=1.4 microscope objective. Near-optimal resolution is obtained over an extended range (±50 μm) of z locations.
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17
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Ciferri C, Chandramouli S, Leitner A, Donnarumma D, Cianfrocco MA, Gerrein R, Friedrich K, Aggarwal Y, Palladino G, Aebersold R, Norais N, Settembre EC, Carfi A. Antigenic Characterization of the HCMV gH/gL/gO and Pentamer Cell Entry Complexes Reveals Binding Sites for Potently Neutralizing Human Antibodies. PLoS Pathog 2015; 11:e1005230. [PMID: 26485028 PMCID: PMC4617720 DOI: 10.1371/journal.ppat.1005230] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 09/24/2015] [Indexed: 12/05/2022] Open
Abstract
Human Cytomegalovirus (HCMV) is a major cause of morbidity and mortality in transplant patients and in fetuses following congenital infection. The glycoprotein complexes gH/gL/gO and gH/gL/UL128/UL130/UL131A (Pentamer) are required for HCMV entry in fibroblasts and endothelial/epithelial cells, respectively, and are targeted by potently neutralizing antibodies in the infected host. Using purified soluble forms of gH/gL/gO and Pentamer as well as a panel of naturally elicited human monoclonal antibodies, we determined the location of key neutralizing epitopes on the gH/gL/gO and Pentamer surfaces. Mass Spectrometry (MS) coupled to Chemical Crosslinking or to Hydrogen Deuterium Exchange was used to define residues that are either in proximity or part of neutralizing epitopes on the glycoprotein complexes. We also determined the molecular architecture of the gH/gL/gO- and Pentamer-antibody complexes by Electron Microscopy (EM) and 3D reconstructions. The EM analysis revealed that the Pentamer specific neutralizing antibodies bind to two opposite surfaces of the complex, suggesting that they may neutralize infection by different mechanisms. Together, our data identify the location of neutralizing antibodies binding sites on the gH/gL/gO and Pentamer complexes and provide a framework for the development of antibodies and vaccines against HCMV. Human Cytomegalovirus (HCMV) is a double stranded DNA, enveloped virus infecting >60% of the population worldwide. Typically asymptomatic in healthy adults, HCMV infection causes morbidity and mortality in immunocompromised patients and is the most common viral cause of birth defects in industrialized countries. Despite more than 30 years of research, however, no vaccine against HCMV is available. HCMV utilizes two distinct glycoprotein complexes, gH/gL/gO and gH/gL/UL128/UL130/UL131A (Pentamer), to enter fibroblast and endothelial/epithelial cells, respectively and both are neutralizing antibodies targets. We used orthogonal techniques to study the interaction between gH/gL/gO or Pentamer and a panel of naturally occurring human neutralizing antibodies. The results of this analysis identify three neutralizing epitopes in gH, which are conserved in both glycoproteins complexes, and a different subset of five neutralizing sites in the UL128/Ul130/Ul131A (ULs) portion of the Pentamer. Moreover, EM analysis defines two distinct surfaces targeted by neutralizing antibodies on the ULs suggesting different neutralization mechanisms. Our results reveal regions of the gH/gL/gO and Pentamer complexes important for eliciting strong neutralizing responses in humans and for function in viral entry. Together our data will guide the development of therapeutic monoclonal antibodies and vaccines against HCMV.
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Affiliation(s)
- Claudio Ciferri
- Novartis Vaccines (a GSK company), Cambridge, Massachusetts, United States of America
- * E-mail: (CC); (AC)
| | - Sumana Chandramouli
- Novartis Vaccines (a GSK company), Cambridge, Massachusetts, United States of America
| | - Alexander Leitner
- ETH Zürich, Department of Biology, Institute of Molecular Systems Biology, Zürich, Switzerland
| | | | - Michael A. Cianfrocco
- Harvard University, Department of Molecular and Cellular Biology, Cambridge, Massachusetts, United States of America
- Harvard Medical School, Department of Cell Biology, Boston, Massachusetts, United States of America
| | - Rachel Gerrein
- Novartis Vaccines (a GSK company), Cambridge, Massachusetts, United States of America
| | - Kristian Friedrich
- Novartis Vaccines (a GSK company), Cambridge, Massachusetts, United States of America
| | - Yukti Aggarwal
- Novartis Vaccines (a GSK company), Cambridge, Massachusetts, United States of America
| | - Giuseppe Palladino
- Novartis Vaccines (a GSK company), Cambridge, Massachusetts, United States of America
| | - Ruedi Aebersold
- ETH Zürich, Department of Biology, Institute of Molecular Systems Biology, Zürich, Switzerland
- Faculty of Science, University of Zurich, Zurich, Switzerland
| | | | - Ethan C. Settembre
- Novartis Vaccines (a GSK company), Cambridge, Massachusetts, United States of America
| | - Andrea Carfi
- Novartis Vaccines (a GSK company), Cambridge, Massachusetts, United States of America
- * E-mail: (CC); (AC)
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18
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Amerighi F, Valeri M, Donnarumma D, Maccari S, Moschioni M, Taddei A, Lapazio L, Pansegrau W, Buccato S, De Angelis G, Ruggiero P, Masignani V, Soriani M, Pezzicoli A. Identification of a Monoclonal Antibody Against Pneumococcal Pilus 1 Ancillary Protein Impairing Bacterial Adhesion to Human Epithelial Cells. J Infect Dis 2015; 213:516-22. [PMID: 26401026 DOI: 10.1093/infdis/jiv461] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 09/11/2015] [Indexed: 12/17/2022] Open
Abstract
The adhesion of Streptococcus pneumoniae is a key step during colonization of human respiratory tract mucosae. Here we demonstrate that pneumococcal type I pilus significantly increases the adhesiveness of poorly adhering highly capsulated strains in vitro. Interestingly, preincubation of bacteria with antibodies against the major pilus backbone subunit (RrgB) or the adhesin component (RrgA) impaired pneumococcal association to human epithelial cells. Screening for anti-RrgA monoclonal antibodies specifically affecting the adhesive capacity of S. pneumoniae led to the identification of the monoclonal 11B9/61 antibody, which greatly reduced pilus-dependent cell contact. Proteomic-based epitope mapping of 11B9/61 monoclonal antibody revealed a well-exposed epitope on the D2 domain of RrgA as the target of this functional antibody. The data presented here confirm the importance of pilus I for S. pneumoniae pathogenesis and the potential use of antipilus antibodies to prevent bacterial colonization.
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Affiliation(s)
| | - Maria Valeri
- Institute for Immunology, University of California-Irvine School of Medicine
| | | | | | | | - Annarita Taddei
- Interdepartmental Centre for Electron Microscopy, University of Tuscia, Viterbo, Italy
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19
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Donnarumma D, Golfieri G, Brier S, Castagnini M, Veggi D, Bottomley MJ, Delany I, Norais N. Neisseria meningitis GNA1030 is a ubiquinone-8 binding protein. FASEB J 2015; 29:2260-7. [PMID: 25713028 DOI: 10.1096/fj.14-263954] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Accepted: 01/20/2015] [Indexed: 11/11/2022]
Abstract
Bexsero, a new vaccine against Neisseria meningitidis serogroup B (MenB), is composed of 3 main recombinant proteins and an outer membrane vesicle component. One of the main bactericidal antigens, neisseria heparin binding antigen (NHBA), is present as a fusion protein with the accessory protein genome-derived neisserial antigen (GNA) 1030 to further increase its immunogenicity. The gene encoding for GNA1030 is present and highly conserved in all Neisseria strains, and although orthologs are present in numerous species, its biologic function is unknown. Native mass spectrometry was used to demonstrate that GNA1030 forms a homodimer associated with 2 molecules of ubiquinone-8 (Ub8), a cofactor mainly involved in the electron transport chain and with antioxidant properties. Disc diffusion assays on the wild-type and knockout mutant of GNA1030, in the presence of various compounds, suggested that GNA1030 is not involved in oxidative stress or electron chain transport per se, although it contributes to constitutive refilling of the inner membrane with Ub8. These studies shed light on an accessory protein present in Bexsero and reveal functional insights into the family of related proteins. On the basis of our findings, we propose to name the protein neisseria ubiquinone binding protein (NUbp).
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20
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Brier S, Fagnocchi L, Donnarumma D, Scarselli M, Rappuoli R, Nissum M, Delany I, Norais N. Structural Insight into the Mechanism of DNA-Binding Attenuation of the Neisserial Adhesin Repressor NadR by the Small Natural Ligand 4-Hydroxyphenylacetic Acid. Biochemistry 2012; 51:6738-52. [DOI: 10.1021/bi300656w] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Sébastien Brier
- Research
Center, Novartis Vaccines and Diagnostics, via Fiorentina 1, 53100, Siena, Italy
| | - Luca Fagnocchi
- Research
Center, Novartis Vaccines and Diagnostics, via Fiorentina 1, 53100, Siena, Italy
| | - Danilo Donnarumma
- Research
Center, Novartis Vaccines and Diagnostics, via Fiorentina 1, 53100, Siena, Italy
| | - Maria Scarselli
- Research
Center, Novartis Vaccines and Diagnostics, via Fiorentina 1, 53100, Siena, Italy
| | - Rino Rappuoli
- Research
Center, Novartis Vaccines and Diagnostics, via Fiorentina 1, 53100, Siena, Italy
| | - Mikkel Nissum
- Research
Center, Novartis Vaccines and Diagnostics, via Fiorentina 1, 53100, Siena, Italy
| | - Isabel Delany
- Research
Center, Novartis Vaccines and Diagnostics, via Fiorentina 1, 53100, Siena, Italy
| | - Nathalie Norais
- Research
Center, Novartis Vaccines and Diagnostics, via Fiorentina 1, 53100, Siena, Italy
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