1
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Barber MF, Fitzgerald JR. Mechanisms of host adaptation by bacterial pathogens. FEMS Microbiol Rev 2024; 48:fuae019. [PMID: 39003250 PMCID: PMC11308195 DOI: 10.1093/femsre/fuae019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 07/02/2024] [Accepted: 07/24/2024] [Indexed: 07/15/2024] Open
Abstract
The emergence of new infectious diseases poses a major threat to humans, animals, and broader ecosystems. Defining factors that govern the ability of pathogens to adapt to new host species is therefore a crucial research imperative. Pathogenic bacteria are of particular concern, given dwindling treatment options amid the continued expansion of antimicrobial resistance. In this review, we summarize recent advancements in the understanding of bacterial host species adaptation, with an emphasis on pathogens of humans and related mammals. We focus particularly on molecular mechanisms underlying key steps of bacterial host adaptation including colonization, nutrient acquisition, and immune evasion, as well as suggest key areas for future investigation. By developing a greater understanding of the mechanisms of host adaptation in pathogenic bacteria, we may uncover new strategies to target these microbes for the treatment and prevention of infectious diseases in humans, animals, and the broader environment.
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Affiliation(s)
- Matthew F Barber
- Institute of Ecology and Evolution, University of Oregon, Eugene, OR 97403, United States
- Department of Biology, University of Oregon, Eugene, OR 97403, United States
| | - J Ross Fitzgerald
- The Roslin Institute, University of Edinburgh, Midlothian, EH25 9RG, United Kingdom
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2
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Schelle L, Côrte-Real JV, Fayyaz S, del Pozo Ben A, Shnipova M, Petersen M, Lotke R, Menon B, Matzek D, Pfaff L, Pinheiro A, Marques JP, Melo-Ferreira J, Popper B, Esteves PJ, Sauter D, Abrantes J, Baldauf HM. Evolutionary and functional characterization of lagomorph guanylate-binding proteins: a story of gain and loss and shedding light on expression, localization and innate immunity-related functions. Front Immunol 2024; 15:1303089. [PMID: 38348040 PMCID: PMC10859415 DOI: 10.3389/fimmu.2024.1303089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 01/04/2024] [Indexed: 02/15/2024] Open
Abstract
Guanylate binding proteins (GBPs) are an evolutionarily ancient family of proteins that are widely distributed among eukaryotes. They belong to the dynamin superfamily of GTPases, and their expression can be partially induced by interferons (IFNs). GBPs are involved in the cell-autonomous innate immune response against bacterial, parasitic and viral infections. Evolutionary studies have shown that GBPs exhibit a pattern of gene gain and loss events, indicative for the birth-and-death model of evolution. Most species harbor large GBP gene clusters that encode multiple paralogs. Previous functional and in-depth evolutionary studies have mainly focused on murine and human GBPs. Since rabbits are another important model system for studying human diseases, we focus here on lagomorphs to broaden our understanding of the multifunctional GBP protein family by conducting evolutionary analyses and performing a molecular and functional characterization of rabbit GBPs. We observed that lagomorphs lack GBP3, 6 and 7. Furthermore, Leporidae experienced a loss of GBP2, a unique duplication of GBP5 and a massive expansion of GBP4. Gene expression analysis by reverse transcriptase quantitative polymerase chain reaction (RT-qPCR) and transcriptome data revealed that leporid GBP expression varied across tissues. Overexpressed rabbit GBPs localized either uniformly and/or discretely to the cytoplasm and/or to the nucleus. Oryctolagus cuniculus (oc)GBP5L1 and rarely ocGBP5L2 were an exception, colocalizing with the trans-Golgi network (TGN). In addition, four ocGBPs were IFN-inducible and only ocGBP5L2 inhibited furin activity. In conclusion, from an evolutionary perspective, lagomorph GBPs experienced multiple gain and loss events, and the molecular and functional characteristics of ocGBP suggest a role in innate immunity.
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Affiliation(s)
- Luca Schelle
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
| | - João Vasco Côrte-Real
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, Vairão, Portugal
- Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Vairão, Portugal
| | - Sharmeen Fayyaz
- Institute for Medical Virology and Epidemiology of Viral Diseases, University Hospital Tübingen, Tübingen, Germany
- National Institute of Virology, International Center of Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Augusto del Pozo Ben
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
| | - Margarita Shnipova
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
| | - Moritz Petersen
- Institute for Medical Virology and Epidemiology of Viral Diseases, University Hospital Tübingen, Tübingen, Germany
| | - Rishikesh Lotke
- Institute for Medical Virology and Epidemiology of Viral Diseases, University Hospital Tübingen, Tübingen, Germany
| | - Bhavna Menon
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
| | - Dana Matzek
- Biomedical Center (BMC), Core facility Animal Models (CAM), Faculty of Medicine, LMU München, Munich, Germany
| | - Lena Pfaff
- Biomedical Center (BMC), Core facility Animal Models (CAM), Faculty of Medicine, LMU München, Munich, Germany
| | - Ana Pinheiro
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Vairão, Portugal
| | - João Pedro Marques
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Vairão, Portugal
- ISEM, University of Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - José Melo-Ferreira
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, Vairão, Portugal
- Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Vairão, Portugal
| | - Bastian Popper
- Biomedical Center (BMC), Core facility Animal Models (CAM), Faculty of Medicine, LMU München, Munich, Germany
| | - Pedro José Esteves
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, Vairão, Portugal
- Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Vairão, Portugal
- CITS - Center of Investigation in Health Technologies, CESPU, Gandra, Portugal
| | - Daniel Sauter
- Institute for Medical Virology and Epidemiology of Viral Diseases, University Hospital Tübingen, Tübingen, Germany
| | - Joana Abrantes
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, Vairão, Portugal
- Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Vairão, Portugal
| | - Hanna-Mari Baldauf
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
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3
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Kirkby M, Enosi Tuipulotu D, Feng S, Lo Pilato J, Man SM. Guanylate-binding proteins: mechanisms of pattern recognition and antimicrobial functions. Trends Biochem Sci 2023; 48:883-893. [PMID: 37567806 DOI: 10.1016/j.tibs.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 06/19/2023] [Accepted: 07/11/2023] [Indexed: 08/13/2023]
Abstract
Guanylate-binding proteins (GBPs) are a family of intracellular proteins which have diverse biological functions, including pathogen sensing and host defense against infectious disease. These proteins are expressed in response to interferon (IFN) stimulation and can localize and target intracellular microbes (e.g., bacteria and viruses) by protein trafficking and membrane binding. These properties contribute to the ability of GBPs to induce inflammasome activation, inflammation, and cell death, and to directly disrupt pathogen membranes. Recent biochemical studies have revealed that human GBP1, GBP2, and GBP3 can directly bind to the lipopolysaccharide (LPS) of Gram-negative bacteria. In this review we discuss emerging data highlighting the functional versatility of GBPs, with a focus on their molecular mechanisms of pattern recognition and antimicrobial activity.
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Affiliation(s)
- Max Kirkby
- Division of Immunology and Infectious Disease, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia
| | - Daniel Enosi Tuipulotu
- Division of Immunology and Infectious Disease, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia
| | - Shouya Feng
- Division of Immunology and Infectious Disease, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia
| | - Jordan Lo Pilato
- Division of Immunology and Infectious Disease, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia
| | - Si Ming Man
- Division of Immunology and Infectious Disease, The John Curtin School of Medical Research, The Australian National University, Canberra, Australia.
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4
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Buijze H, Brinkmann V, Hurwitz R, Dorhoi A, Kaufmann SHE, Pei G. Human GBP1 Is Involved in the Repair of Damaged Phagosomes/Endolysosomes. Int J Mol Sci 2023; 24:ijms24119701. [PMID: 37298652 DOI: 10.3390/ijms24119701] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 05/25/2023] [Accepted: 05/27/2023] [Indexed: 06/12/2023] Open
Abstract
Mouse guanylate-binding proteins (mGBPs) are recruited to various invasive pathogens, thereby conferring cell-autonomous immunity against these pathogens. However, whether and how human GBPs (hGBPs) target M. tuberculosis (Mtb) and L. monocytogenes (Lm) remains unclear. Here, we describe hGBPs association with intracellular Mtb and Lm, which was dependent on the ability of bacteria to induce disruption of phagosomal membranes. hGBP1 formed puncta structures which were recruited to ruptured endolysosomes. Furthermore, both GTP-binding and isoprenylation of hGBP1 were required for its puncta formation. hGBP1 was required for the recovery of endolysosomal integrity. In vitro lipid-binding assays demonstrated direct binding of hGBP1 to PI4P. Upon endolysosomal damage, hGBP1 was targeted to PI4P and PI(3,4)P2-positive endolysosomes in cells. Finally, live-cell imaging demonstrated that hGBP1 was recruited to damaged endolysosomes, and consequently mediated endolysosomal repair. In summary, we uncover a novel interferon-inducible mechanism in which hGBP1 contributes to the repair of damaged phagosomes/endolysosomes.
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Affiliation(s)
- Hellen Buijze
- Department of Immunology, Max Planck Institute for Infection Biology, Charitéplatz 1, 10117 Berlin, Germany
| | - Volker Brinkmann
- Microscopy Core Facility, Max Planck Institute for Infection Biology, Charitéplatz 1, 10117 Berlin, Germany
| | - Robert Hurwitz
- Protein Purification Facility, Max Planck Institute for Infection Biology, Charitéplatz 1, 10117 Berlin, Germany
| | - Anca Dorhoi
- Institute of Immunology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, 17493 Greifswald, Germany
- Faculty of Mathematics and Natural Sciences, University of Greifswald, 17489 Greifswald, Germany
| | - Stefan H E Kaufmann
- Department of Immunology, Max Planck Institute for Infection Biology, Charitéplatz 1, 10117 Berlin, Germany
- Emeritus Group of Systems Immunology, Max Planck Institute for Multidisciplinary Sciences, Am Fassberg 11, 37077 Göttingen, Germany
- Hagler Institute for Advanced Study, Texas A&M University, College Station, TX 77843, USA
| | - Gang Pei
- Institute of Immunology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, 17493 Greifswald, Germany
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5
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Dickinson M, Kutsch M, Sistemich L, Hernandez D, Piro A, Needham D, Lesser C, Herrmann C, Coers J. LPS-aggregating proteins GBP1 and GBP2 are each sufficient to enhance caspase-4 activation both in cellulo and in vitro. Proc Natl Acad Sci U S A 2023; 120:e2216028120. [PMID: 37023136 PMCID: PMC10104521 DOI: 10.1073/pnas.2216028120] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 02/26/2023] [Indexed: 04/07/2023] Open
Abstract
The gamma-interferon (IFNγ)-inducible guanylate-binding proteins (GBPs) promote host defense against gram-negative cytosolic bacteria in part through the induction of an inflammatory cell death pathway called pyroptosis. To activate pyroptosis, GBPs facilitate sensing of the gram-negative bacterial outer membrane component lipopolysaccharide (LPS) by the noncanonical caspase-4 inflammasome. There are seven human GBP paralogs, and it is unclear how each GBP contributes to LPS sensing and pyroptosis induction. GBP1 forms a multimeric microcapsule on the surface of cytosolic bacteria through direct interactions with LPS. The GBP1 microcapsule recruits caspase-4 to bacteria, a process deemed essential for caspase-4 activation. In contrast to GBP1, closely related paralog GBP2 is unable to bind bacteria on its own but requires GBP1 for direct bacterial binding. Unexpectedly, we find that GBP2 overexpression can restore gram-negative-induced pyroptosis in GBP1KO cells, without GBP2 binding to the bacterial surface. A mutant of GBP1 that lacks the triple arginine motif required for microcapsule formation also rescues pyroptosis in GBP1KO cells, showing that binding to bacteria is dispensable for GBPs to promote pyroptosis. Instead, we find that GBP2, like GBP1, directly binds and aggregates "free" LPS through protein polymerization. We demonstrate that supplementation of either recombinant polymerized GBP1 or GBP2 to an in vitro reaction is sufficient to enhance LPS-induced caspase-4 activation. This provides a revised mechanistic framework for noncanonical inflammasome activation where GBP1 or GBP2 assembles cytosol-contaminating LPS into a protein-LPS interface for caspase-4 activation as part of a coordinated host response to gram-negative bacterial infections.
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Affiliation(s)
- Mary S. Dickinson
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC27710
| | - Miriam Kutsch
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC27710
| | - Linda Sistemich
- Department of Physical Chemistry I, Ruhr-University Bochum, 44801Bochum, Germany
| | - Dulcemaria Hernandez
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC27710
| | - Anthony S. Piro
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC27710
| | - David Needham
- Department of Mechanical Engineering and Material Science, Duke University, Durham, NC27708
| | - Cammie F. Lesser
- Center for Bacterial Pathogenesis, Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA02139
- Department of Microbiology, Blavatnik Institute, Harvard Medical School, Boston, MA02115
| | - Christian Herrmann
- Department of Physical Chemistry I, Ruhr-University Bochum, 44801Bochum, Germany
| | - Jörn Coers
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC27710
- Department of Immunology, Duke University Medical Center, Durham, NC27710
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6
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Ducournau C, Cantin P, Alerte V, Quintard B, Popelin-Wedlarski F, Wedlarski R, Ollivet-Courtois F, Ferri-Pisani Maltot J, Herkt C, Fasquelle F, Sannier M, Berthet M, Fretay V, Aubert D, Villena I, Betbeder D, Moiré N, Dimier-Poisson I. Vaccination of squirrel monkeys (Saimiri spp.) with nanoparticle based-Toxoplasma gondii antigens: new hope for captive susceptible species. Int J Parasitol 2023; 53:333-346. [PMID: 36997082 DOI: 10.1016/j.ijpara.2023.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 02/01/2023] [Accepted: 02/04/2023] [Indexed: 03/31/2023]
Abstract
Squirrel monkeys (Saimiri spp.), new world primates from South America, are very susceptible to toxoplasmosis. Numerous outbreaks of fatal toxoplasmosis in zoos have been identified around the world, resulting in acute respiratory distress and sudden death. To date, preventive hygiene measures or available treatments are not able to significantly reduce this mortality in zoos. Therefore, vaccination seems to be the best long-term solution to control acute toxoplasmosis. Recently, we developed a nasal vaccine composed of total extract of soluble proteins of Toxoplasma gondii associated with muco-adhesive maltodextrin-nanoparticles. The vaccine, which generated specific cellular immune responses, demonstrated efficacy against toxoplasmosis in murine and ovine experimental models. In collaboration with six French zoos, our vaccine was used as a last resort in 48 squirrel monkeys to prevent toxoplasmosis. The full protocol of vaccination includes two intranasal sprays followed by combined intranasal and s.c. administration. No local or systemic side-effects were observed irrespective of the route of administration. Blood samples were collected to study systemic humoral and cellular immune responses up to 1 year after the last vaccination. Vaccination induced a strong and lasting systemic cellular immune response mediated by specific IFN-γ secretion by peripheral blood mononuclear cells. Since the introduction of vaccination, no deaths of squirrel monkeys due to T. gondii has been observed for more than 4 years suggesting the promising usage of our vaccine. Moreover, to explain the high susceptibility of naive squirrel monkeys to toxoplasmosis, their innate immune sensors were investigated. It was observed that Toll-like and Nod-like receptors appear to be functional following T. gondii recognition suggesting that the extreme susceptibility to toxoplasmosis may not be linked to innate detection of the parasite.
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7
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Valeva SV, Degabriel M, Michal F, Gay G, Rohde JR, Randow F, Lagrange B, Henry T. Comparative study of GBP recruitment on two cytosol-dwelling pathogens, Francisella novicida and Shigella flexneri highlights differences in GBP repertoire and in GBP1 motif requirements. Pathog Dis 2023; 81:ftad005. [PMID: 37012222 DOI: 10.1093/femspd/ftad005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 03/31/2023] [Indexed: 04/05/2023] Open
Abstract
Guanylate-Binding Proteins are interferon-inducible GTPases that play a key role in cell autonomous responses against intracellular pathogens. Despite sharing high sequence similarity, subtle differences among GBPs translate into functional divergences that are still largely not understood. A key GBP feature is the formation of supramolecular GBP complexes on the bacterial surface. Such complexes are observed when GBP1 binds lipopolysaccharide (LPS) from Shigella and Salmonella and further recruits GBP2-4. Here, we compared GBP recruitment on two cytosol-dwelling pathogens, Francisella novicida and S. flexneri. Francisella novicida was coated by GBP1 and GBP2 and to a lower extent by GBP4 in human macrophages. Contrary to S. flexneri, F. novicida was not targeted by GBP3, a feature independent of T6SS effectors. Multiple GBP1 features were required to promote targeting to F. novicida while GBP1 targeting to S. flexneri was much more permissive to GBP1 mutagenesis suggesting that GBP1 has multiple domains that cooperate to recognize F. novicida atypical LPS. Altogether our results indicate that the repertoire of GBPs recruited onto specific bacteria is dictated by GBP-specific features and by specific bacterial factors that remain to be identified.
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Affiliation(s)
- Stanimira V Valeva
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Univ Lyon, F-69007, Lyon, France
| | - Manon Degabriel
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Univ Lyon, F-69007, Lyon, France
| | - Fanny Michal
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Univ Lyon, F-69007, Lyon, France
| | - Gabrielle Gay
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Univ Lyon, F-69007, Lyon, France
| | - John R Rohde
- Department of Microbiology and Immunology, Dalhousie University, Halifax, B3H 4R2, NS, Canada
| | - Felix Randow
- Division of Protein and Nucleic Acid Chemistry, MRC Laboratory of Molecular Biology, CB2 0QH, Cambridge, United Kingdom
- Department of Medicine, University of Cambridge, Addenbrooke's Hospital, CB2 0QH, Cambridge, United Kingdom
| | - Brice Lagrange
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Univ Lyon, F-69007, Lyon, France
| | - Thomas Henry
- CIRI, Centre International de Recherche en Infectiologie, Univ Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, ENS de Lyon, Univ Lyon, F-69007, Lyon, France
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8
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Côrte-Real JV, Baldauf HM, Melo-Ferreira J, Abrantes J, Esteves PJ. Evolution of Guanylate Binding Protein ( GBP) Genes in Muroid Rodents (Muridae and Cricetidae) Reveals an Outstanding Pattern of Gain and Loss. Front Immunol 2022; 13:752186. [PMID: 35222365 PMCID: PMC8863968 DOI: 10.3389/fimmu.2022.752186] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 01/20/2022] [Indexed: 01/05/2023] Open
Abstract
Guanylate binding proteins (GBPs) are paramount in the host immunity by providing defense against invading pathogens. Multigene families related to the immune system usually show that the duplicated genes can either undergo deletion, gain new functions, or become non-functional. Here, we show that in muroids, the Gbp genes followed an unusual pattern of gain and loss of genes. Muroids present a high diversity and plasticity regarding Gbp synteny, with most species presenting two Gbp gene clusters. The phylogenetic analyses revealed seven different Gbps groups. Three of them clustered with GBP2, GBP5 and GBP6 of primates. Four new Gbp genes that appear to be exclusive to muroids were identified as Gbpa, b, c and d. A duplication event occurred in the Gbpa group in the common ancestor of Muridae and Cricetidae (~20 Mya), but both copies were deleted from the genome of Mus musculus, M. caroli and Cricetulus griseus. The Gbpb gene emerged in the ancestor of Muridae and Cricetidae and evolved independently originating Gbpb1 in Muridae, Gbpb2 and Gbpb3 in Cricetidae. Since Gbpc appears only in three species, we hypothesize that it was present in the common ancestor and deleted from most muroid genomes. The second Gbp gene cluster, Gbp6, is widespread across all muroids, indicating that this cluster emerged before the Muridae and Cricetidae radiation. An expansion of Gbp6 occurred in M. musculus and M. caroli probably to compensate the loss of Gbpa and b. Gbpd is divided in three groups and is present in most muroids suggesting that a duplication event occurred in the common ancestor of Muridae and Cricetidae. However, in Grammomys surdaster and Mus caroli, Gbpd2 is absent, and in Arvicanthis niloticus, Gbpd1 appears to have been deleted. Our results further demonstrated that primate GBP1, GBP3 and GBP7 are absent from the genome of muroids and showed that the Gbp gene annotations in muroids were incorrect. We propose a new classification based on the phylogenetic analyses and the divergence between the groups. Extrapolations to humans based on functional studies of muroid Gbps should be re-evaluated. The evolutionary analyses of muroid Gbp genes provided new insights about the evolution and function of these genes.
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Affiliation(s)
- João Vasco Côrte-Real
- Research Center in Biodiversity and Genetic Resources (CIBIO-InBIO), University of Porto, Vairão, Portugal.,Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, Ludwig Maximilian University of Munich (LMU) München, Munich, Germany.,Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal.,BIOPOLIS Program in Genomics, Biodiversity and Land Planning, Research Center in Biodiversity and Genetic Resources (CIBIO), Vairão, Portugal
| | - Hanna-Mari Baldauf
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, Ludwig Maximilian University of Munich (LMU) München, Munich, Germany
| | - José Melo-Ferreira
- Research Center in Biodiversity and Genetic Resources (CIBIO-InBIO), University of Porto, Vairão, Portugal.,Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal.,BIOPOLIS Program in Genomics, Biodiversity and Land Planning, Research Center in Biodiversity and Genetic Resources (CIBIO), Vairão, Portugal
| | - Joana Abrantes
- Research Center in Biodiversity and Genetic Resources (CIBIO-InBIO), University of Porto, Vairão, Portugal.,Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal.,BIOPOLIS Program in Genomics, Biodiversity and Land Planning, Research Center in Biodiversity and Genetic Resources (CIBIO), Vairão, Portugal
| | - Pedro José Esteves
- Research Center in Biodiversity and Genetic Resources (CIBIO-InBIO), University of Porto, Vairão, Portugal.,Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal.,BIOPOLIS Program in Genomics, Biodiversity and Land Planning, Research Center in Biodiversity and Genetic Resources (CIBIO), Vairão, Portugal.,Center of Investigation in Health Technologies (CITS), CESPU, Gandra, Portugal
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9
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Fisch D, Clough B, Khan R, Healy L, Frickel EM. Toxoplasma-proximal and distal control by GBPs in human macrophages. Pathog Dis 2022; 79:ftab058. [PMID: 34931666 PMCID: PMC8752258 DOI: 10.1093/femspd/ftab058] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 12/17/2021] [Indexed: 11/13/2022] Open
Abstract
Human guanylate binding proteins (GBPs) are key players of interferon-gamma (IFNγ)-induced cell intrinsic defense mechanisms targeting intracellular pathogens. In this study, we combine the well-established Toxoplasmagondii infection model with three in vitro macrophage culture systems to delineate the contribution of individual GBP family members to control this apicomplexan parasite. Use of high-throughput imaging assays and genome engineering allowed us to define a role for GBP1, 2 and 5 in parasite infection control. While GBP1 performs a pathogen-proximal, parasiticidal and growth-restricting function through accumulation at the parasitophorous vacuole of intracellular Toxoplasma, GBP2 and GBP5 perform a pathogen-distal, growth-restricting role. We further find that mutants of the GTPase or isoprenylation site of GBP1/2/5 affect their normal function in Toxoplasma control by leading to mis-localization of the proteins.
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Affiliation(s)
- Daniel Fisch
- Institute of Microbiology and Infection, School of Biosciences, University of Birmingham, Edgbaston B15 2TT, UK
- Host-Toxoplasma Interaction Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Barbara Clough
- Institute of Microbiology and Infection, School of Biosciences, University of Birmingham, Edgbaston B15 2TT, UK
- Host-Toxoplasma Interaction Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Rabia Khan
- Host-Toxoplasma Interaction Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Lyn Healy
- HESCU (Human Embryo and Stem Cell Unit), The Francis Crick Institute, London NW1 1AT, UK
| | - Eva-Maria Frickel
- Institute of Microbiology and Infection, School of Biosciences, University of Birmingham, Edgbaston B15 2TT, UK
- Host-Toxoplasma Interaction Laboratory, The Francis Crick Institute, London NW1 1AT, UK
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10
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Kutsch M, Coers J. Human guanylate binding proteins: nanomachines orchestrating host defense. FEBS J 2021; 288:5826-5849. [PMID: 33314740 PMCID: PMC8196077 DOI: 10.1111/febs.15662] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/27/2020] [Accepted: 12/07/2020] [Indexed: 02/06/2023]
Abstract
Disease-causing microorganisms not only breach anatomical barriers and invade tissues but also frequently enter host cells, nutrient-enriched environments amenable to support parasitic microbial growth. Protection from many infectious diseases is therefore reliant on the ability of individual host cells to combat intracellular infections through the execution of cell-autonomous defense programs. Central players in human cell-autonomous immunity are members of the family of dynamin-related guanylate binding proteins (GBPs). The importance of these interferon-inducible GTPases in host defense to viral, bacterial, and protozoan pathogens has been established for some time; only recently, cell biological and biochemical studies that largely focused on the prenylated paralogs GBP1, GBP2, and GBP5 have provided us with robust molecular frameworks for GBP-mediated immunity. Specifically, the recent characterization of GBP1 as a bona fide pattern recognition receptor for bacterial lipopolysaccharide (LPS) disrupting the integrity of bacterial outer membranes through LPS aggregation, the discovery of a link between hydrolysis-induced GMP production by GBP1 and inflammasome activation, and the classification of GBP2 and GBP5 as inhibitors of viral envelope glycoprotein processing via suppression of the host endoprotease furin have paved the way for a vastly improved conceptual understanding of the molecular mechanisms by which GBP nanomachines execute cell-autonomous immunity. The herein discussed models incorporate our current knowledge of the antimicrobial, proinflammatory, and biochemical properties of human GBPs and thereby provide testable hypotheses that will guide future studies into the intricacies of GBP-controlled host defense and their role in human disease.
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Affiliation(s)
- Miriam Kutsch
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina 22710, USA
| | - Jörn Coers
- Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina 22710, USA
- Department of Immunology, Duke University Medical Center, Durham, North Carolina 22710, USA
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11
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Guo Y, Su A, Tian H, Ding M, Wang Y, Tian Y, Li K, Sun G, Jiang R, Han R, Kang X, Yan F. TMT-based quantitative proteomic analysis reveals the spleen regulatory network of dexamethasone-induced immune suppression in chicks. J Proteomics 2021; 248:104353. [PMID: 34418580 DOI: 10.1016/j.jprot.2021.104353] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/31/2021] [Accepted: 08/09/2021] [Indexed: 12/23/2022]
Abstract
Stress-induced immunosuppression is one of the most widespread problems in the poultry industry. Understanding the molecular regulatory mechanism of immunosuppression induced by stress in the chicken spleen would provide a scientific foundation for the prevention of stress reactions and antistress molecular breeding in poultry. To assess the protein expression profile of spleen tissue in a stress-included immunosuppression model, we performed a TMT-based proteomic analysis of chicken spleen tissue in a Dex-induced immunosuppression model (group C) and a control group (group A). We identified 590 differentially abundant proteins (DAPs) in chicken spleen tissue. These DAPs were significantly enriched in the following functional categories: ECM-receptor interaction, DNA replication, p53 signaling pathway, PI3K-Akt signaling pathway and NF-kappa B signaling pathway. Integrative analysis of the proteome and our previous transcriptome data revealed 62 DAPs showing correlations with the expression of their encoding mRNAs. Complementary proteome- and transcriptome-level analyses revealed a complex molecular network of stress-included immunosuppression. DPP4 and ALDH1A3 were the most significantly upregulated DAPs. GBP and OASL were identified as important nodes in the network related to stress-induced immunosuppression. The candidate genes identified in this study may be useful for the marker-based breeding of new chicken varieties with reduced stress levels. SIGNIFICANCE: This study provides a large amount of new information about the spleen proteome of the Dex-induced immunosuppression in chicks, as well as the correlation of transcriptome and proteome. Analysis of this resource has enabled us to examine mechanism of protein and transcript diversification, which expands the understanding of the complexity of the mechanism of stress-induced immunosuppression.
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Affiliation(s)
- Yujie Guo
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China
| | - Aru Su
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China
| | - Huihui Tian
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China
| | - Mengxia Ding
- Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China; College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China
| | - Yanbin Wang
- Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China; College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China
| | - Yadong Tian
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China
| | - Kui Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China
| | - Guirong Sun
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China
| | - Ruirui Jiang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China
| | - Ruili Han
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China
| | - Xiangtao Kang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China; Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China.
| | - Fengbin Yan
- Henan Key laboratory for innovation and utilization of chicken germplasm resources, Zhengzhou 450046, China; College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China.
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12
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Rafeld HL, Kolanus W, van Driel IR, Hartland EL. Interferon-induced GTPases orchestrate host cell-autonomous defence against bacterial pathogens. Biochem Soc Trans 2021; 49:1287-1297. [PMID: 34003245 PMCID: PMC8286824 DOI: 10.1042/bst20200900] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/27/2021] [Accepted: 04/30/2021] [Indexed: 01/08/2023]
Abstract
Interferon (IFN)-induced guanosine triphosphate hydrolysing enzymes (GTPases) have been identified as cornerstones of IFN-mediated cell-autonomous defence. Upon IFN stimulation, these GTPases are highly expressed in various host cells, where they orchestrate anti-microbial activities against a diverse range of pathogens such as bacteria, protozoan and viruses. IFN-induced GTPases have been shown to interact with various host pathways and proteins mediating pathogen control via inflammasome activation, destabilising pathogen compartments and membranes, orchestrating destruction via autophagy and the production of reactive oxygen species as well as inhibiting pathogen mobility. In this mini-review, we provide an update on how the IFN-induced GTPases target pathogens and mediate host defence, emphasising findings on protection against bacterial pathogens.
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Affiliation(s)
- Heike L. Rafeld
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
- Life and Medical Sciences Institute (LIMES), Molecular Immunology and Cell Biology, University of Bonn, Bonn, Germany
| | - Waldemar Kolanus
- Life and Medical Sciences Institute (LIMES), Molecular Immunology and Cell Biology, University of Bonn, Bonn, Germany
| | - Ian R. van Driel
- Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Melbourne, Victoria, Australia
| | - Elizabeth L. Hartland
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Victoria, Australia
- Department of Molecular and Translational Science, Monash University, Clayton, Victoria, Australia
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13
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Judd EN, Gilchrist AR, Meyerson NR, Sawyer SL. Positive natural selection in primate genes of the type I interferon response. BMC Ecol Evol 2021; 21:65. [PMID: 33902453 PMCID: PMC8074226 DOI: 10.1186/s12862-021-01783-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 03/29/2021] [Indexed: 12/28/2022] Open
Abstract
Background The Type I interferon response is an important first-line defense against viruses. In turn, viruses antagonize (i.e., degrade, mis-localize, etc.) many proteins in interferon pathways. Thus, hosts and viruses are locked in an evolutionary arms race for dominance of the Type I interferon pathway. As a result, many genes in interferon pathways have experienced positive natural selection in favor of new allelic forms that can better recognize viruses or escape viral antagonists. Here, we performed a holistic analysis of selective pressures acting on genes in the Type I interferon family. We initially hypothesized that the genes responsible for inducing the production of interferon would be antagonized more heavily by viruses than genes that are turned on as a result of interferon. Our logic was that viruses would have greater effect if they worked upstream of the production of interferon molecules because, once interferon is produced, hundreds of interferon-stimulated proteins would activate and the virus would need to counteract them one-by-one.
Results We curated multiple sequence alignments of primate orthologs for 131 genes active in interferon production and signaling (herein, “induction” genes), 100 interferon-stimulated genes, and 100 randomly chosen genes. We analyzed each multiple sequence alignment for the signatures of recurrent positive selection. Counter to our hypothesis, we found the interferon-stimulated genes, and not interferon induction genes, are evolving significantly more rapidly than a random set of genes. Interferon induction genes evolve in a way that is indistinguishable from a matched set of random genes (22% and 18% of genes bear signatures of positive selection, respectively). In contrast, interferon-stimulated genes evolve differently, with 33% of genes evolving under positive selection and containing a significantly higher fraction of codons that have experienced selection for recurrent replacement of the encoded amino acid. Conclusion Viruses may antagonize individual products of the interferon response more often than trying to neutralize the system altogether.
Supplementary Information The online version contains supplementary material available at 10.1186/s12862-021-01783-z.
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Affiliation(s)
- Elena N Judd
- Department of Molecular, Cellular and Developmental Biology; BioFrontiers Institute, University of Colorado Boulder, Boulder, USA
| | - Alison R Gilchrist
- Department of Molecular, Cellular and Developmental Biology; BioFrontiers Institute, University of Colorado Boulder, Boulder, USA
| | - Nicholas R Meyerson
- Department of Molecular, Cellular and Developmental Biology; BioFrontiers Institute, University of Colorado Boulder, Boulder, USA
| | - Sara L Sawyer
- Department of Molecular, Cellular and Developmental Biology; BioFrontiers Institute, University of Colorado Boulder, Boulder, USA.
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14
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Côrte-Real JV, Baldauf HM, Abrantes J, Esteves PJ. Evolution of the guanylate binding protein (GBP) genes: Emergence of GBP7 genes in primates and further acquisition of a unique GBP3 gene in simians. Mol Immunol 2021; 132:79-81. [PMID: 33550067 DOI: 10.1016/j.molimm.2021.01.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 01/13/2021] [Accepted: 01/18/2021] [Indexed: 01/02/2023]
Abstract
Guanylate binding proteins (GBPs) are major players in the host immunity, providing defense against bacterial and viral invaders. Multigene families may suffer different processes of evolution. Gene families related to the immune system usually follow the birth-and-death evolution process, where duplicated genes can be deleted, gain new functions or become non-functional. We analyzed publicly available primate GBP sequences and their genomic organization and observed that GBP7 genes appear to have emerged from a duplication of GBP4 and seem to be only present in primates. Furthermore, GBP3 genes are only present in Simiiformes and probably originated from GBP1 genes. Finally, a duplication event occurred in the GBP6 in Tarsiiformes and became functional which might also explain the duplication of GBP6 in New World monkeys and Cercopithecidae. Taken together, this study provides new knowledge on the evolution of GBPs in primates and suggests that a revision of the GBPs nomenclature is necessary.
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Affiliation(s)
- João Vasco Côrte-Real
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, 4485-661, Vairão, Portugal
| | - Hanna-Mari Baldauf
- Max von Pettenkofer Institute and Gene Center, Virology, National Reference Center for Retroviruses, Faculty of Medicine, LMU München, Munich, Germany
| | - Joana Abrantes
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, 4485-661, Vairão, Portugal; Department of Biology, Faculty of Sciences, University of Porto, 4169-007, Porto, Portugal
| | - Pedro José Esteves
- CIBIO-InBIO, Research Center in Biodiversity and Genetic Resources, University of Porto, 4485-661, Vairão, Portugal; Department of Biology, Faculty of Sciences, University of Porto, 4169-007, Porto, Portugal; CITS - Center of Investigation in Health Technologies, CESPU, 4585-116, Gandra, Portugal.
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15
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Picard L, Ganivet Q, Allatif O, Cimarelli A, Guéguen L, Etienne L. DGINN, an automated and highly-flexible pipeline for the detection of genetic innovations on protein-coding genes. Nucleic Acids Res 2020; 48:e103. [PMID: 32941639 PMCID: PMC7544217 DOI: 10.1093/nar/gkaa680] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 06/29/2020] [Accepted: 09/04/2020] [Indexed: 12/13/2022] Open
Abstract
Adaptive evolution has shaped major biological processes. Finding the protein-coding genes and the sites that have been subjected to adaptation during evolutionary time is a major endeavor. However, very few methods fully automate the identification of positively selected genes, and widespread sources of genetic innovations such as gene duplication and recombination are absent from most pipelines. Here, we developed DGINN, a highly-flexible and public pipeline to Detect Genetic INNovations and adaptive evolution in protein-coding genes. DGINN automates, from a gene's sequence, all steps of the evolutionary analyses necessary to detect the aforementioned innovations, including the search for homologs in databases, assignation of orthology groups, identification of duplication and recombination events, as well as detection of positive selection using five methods to increase precision and ranking of genes when a large panel is analyzed. DGINN was validated on nineteen genes with previously-characterized evolutionary histories in primates, including some engaged in host-pathogen arms-races. Our results confirm and also expand results from the literature, including novel findings on the Guanylate-binding protein family, GBPs. This establishes DGINN as an efficient tool to automatically detect genetic innovations and adaptive evolution in diverse datasets, from the user's gene of interest to a large gene list in any species range.
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Affiliation(s)
- Lea Picard
- CIRI - Centre International de Recherche en Infectiologie, Univ Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS UMR5308, ENS de Lyon, Lyon, France
- Laboratoire de Biologie et Biométrie Evolutive, CNRS UMR 5558, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Quentin Ganivet
- Laboratoire de Biologie et Biométrie Evolutive, CNRS UMR 5558, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Omran Allatif
- CIRI - Centre International de Recherche en Infectiologie, Univ Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS UMR5308, ENS de Lyon, Lyon, France
| | - Andrea Cimarelli
- CIRI - Centre International de Recherche en Infectiologie, Univ Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS UMR5308, ENS de Lyon, Lyon, France
| | - Laurent Guéguen
- Laboratoire de Biologie et Biométrie Evolutive, CNRS UMR 5558, Université Claude Bernard Lyon 1, Villeurbanne, France
- Swedish Collegium for Advanced Study, Uppsala, Sweden
| | - Lucie Etienne
- CIRI - Centre International de Recherche en Infectiologie, Univ Lyon, Inserm U1111, Université Claude Bernard Lyon 1, CNRS UMR5308, ENS de Lyon, Lyon, France
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16
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Affiliation(s)
- Omoshola Aleru
- Institute of Ecology & Evolution, University of Oregon, Eugene, Oregon, United States of America
- Department of Biology, University of Oregon, Eugene, Oregon, United States of America
| | - Matthew F. Barber
- Institute of Ecology & Evolution, University of Oregon, Eugene, Oregon, United States of America
- Department of Biology, University of Oregon, Eugene, Oregon, United States of America
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17
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Fisch D, Clough B, Domart MC, Encheva V, Bando H, Snijders AP, Collinson LM, Yamamoto M, Shenoy AR, Frickel EM. Human GBP1 Differentially Targets Salmonella and Toxoplasma to License Recognition of Microbial Ligands and Caspase-Mediated Death. Cell Rep 2020; 32:108008. [PMID: 32783936 PMCID: PMC7435695 DOI: 10.1016/j.celrep.2020.108008] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/19/2020] [Accepted: 07/15/2020] [Indexed: 12/12/2022] Open
Abstract
Interferon-inducible guanylate-binding proteins (GBPs) promote cell-intrinsic defense through host cell death. GBPs target pathogens and pathogen-containing vacuoles and promote membrane disruption for release of microbial molecules that activate inflammasomes. GBP1 mediates pyroptosis or atypical apoptosis of Salmonella Typhimurium (STm)- or Toxoplasma gondii (Tg)- infected human macrophages, respectively. The pathogen-proximal detection-mechanisms of GBP1 remain poorly understood, as humans lack functional immunity-related GTPases (IRGs) that assist murine Gbps. Here, we establish that GBP1 promotes the lysis of Tg-containing vacuoles and parasite plasma membranes, releasing Tg-DNA. In contrast, we show GBP1 targets cytosolic STm and recruits caspase-4 to the bacterial surface for its activation by lipopolysaccharide (LPS), but does not contribute to bacterial vacuole escape. Caspase-1 cleaves and inactivates GBP1, and a cleavage-deficient GBP1D192E mutant increases caspase-4-driven pyroptosis due to the absence of feedback inhibition. Our studies elucidate microbe-specific roles of GBP1 in infection detection and its triggering of the assembly of divergent caspase signaling platforms.
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Affiliation(s)
- Daniel Fisch
- Host-Toxoplasma Interaction Laboratory, The Francis Crick Institute, London NW1 1AT, UK; MRC Centre for Molecular Bacteriology & Infection, Department of Infectious Disease, Imperial College London, London SW7 2AZ, UK
| | - Barbara Clough
- Host-Toxoplasma Interaction Laboratory, The Francis Crick Institute, London NW1 1AT, UK
| | - Marie-Charlotte Domart
- Electron Microscopy Science Technology Platform, The Francis Crick Institute, London NW1 1AT, UK
| | - Vesela Encheva
- Mass Spectrometry and Proteomics Platform, The Francis Crick Institute, London NW1 1AT, UK
| | - Hironori Bando
- Department of Immunoparasitology, Research Institute for Microbial Diseases, Osaka University, Osaka 565-0871, Japan; Laboratory of Immunoparasitology, WPI Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan
| | - Ambrosius P Snijders
- Mass Spectrometry and Proteomics Platform, The Francis Crick Institute, London NW1 1AT, UK
| | - Lucy M Collinson
- Electron Microscopy Science Technology Platform, The Francis Crick Institute, London NW1 1AT, UK
| | - Masahiro Yamamoto
- Department of Immunoparasitology, Research Institute for Microbial Diseases, Osaka University, Osaka 565-0871, Japan; Laboratory of Immunoparasitology, WPI Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan
| | - Avinash R Shenoy
- MRC Centre for Molecular Bacteriology & Infection, Department of Infectious Disease, Imperial College London, London SW7 2AZ, UK; The Francis Crick Institute, London NW1 1AT, UK.
| | - Eva-Maria Frickel
- Host-Toxoplasma Interaction Laboratory, The Francis Crick Institute, London NW1 1AT, UK; Institute of Microbiology and Infection, School of Biosciences, University of Birmingham, Birmingham B15 2TT, UK.
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