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Mahmoudi F, Jalayeri MHT, Montaseri A, MohamedKhosroshahi L, Baradaran B. Microbial natural compounds and secondary metabolites as Immunomodulators: A review. Int J Biol Macromol 2024; 278:134778. [PMID: 39153680 DOI: 10.1016/j.ijbiomac.2024.134778] [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: 09/04/2023] [Revised: 08/11/2024] [Accepted: 08/13/2024] [Indexed: 08/19/2024]
Abstract
Immunomodulatory therapies are beneficial strategies for the improvement of immune system function. Today, due to the increasing prevalence of immune disorders, cancer, and new viral diseases, there is a greater need to introduce immunomodulatory compounds with more efficiency and fewer side effects. Microbial derivatives are fertile and attractive grounds for discovering lots of novel compounds with various medical properties. The discovery of many natural compounds derived from bacterial sources, such as secondary metabolites with promising immunomodulating activities, represents the importance of this topic in drug discovery and emphasizes the necessity for a coherent source of study in this area. Considering this need, in this review, we aim to focus on the current information about the immunomodulatory effects of bacterial secondary metabolites and natural immunomodulators derived from microorganisms.
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Affiliation(s)
- Fariba Mahmoudi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mohammad Hadi Tajik Jalayeri
- Clinical Research Development Unit (CRDU), Sayad Shirazi Hospital Golestan University of Medical Sciences, Gorgan, Iran
| | - Azadeh Montaseri
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, Unit of Histology and Medical Embryology, Sapienza University of Rome, 00161 Rome, Italy.
| | - Leila MohamedKhosroshahi
- Department of Immunology, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Nissa MU, Pinto N, Ghosh B, Banerjee A, Singh U, Goswami M, Srivastava S. Proteomic insights into extracellular matrix dynamics in the intestine of Labeo rohita during Aeromonas hydrophila infection. mSystems 2024:e0024724. [PMID: 39292008 DOI: 10.1128/msystems.00247-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 08/09/2024] [Indexed: 09/19/2024] Open
Abstract
In the aquaculture sector, one of the challenges includes disease outbreaks such as bacterial infections, particularly from Aeromonas hydrophila (Ah), impacting both wild and farmed fish. In this study, we conducted a proteomic analysis of the intestinal tissue in Labeo rohita following Ah infection to elucidate the protein alterations and its implications for immune response. Our findings indicate significant dysregulation in extracellular matrix (ECM)-associated proteins during Ah infection, with increased abundance of elastin and collagen alpha-3(VI). Pathway and enrichment analysis of differentially expressed proteins highlights the involvement of ECM-related pathways, including focal adhesions, integrin cell surface interactions, and actin cytoskeleton organization. Focal adhesions, crucial for connecting intracellular actin bundles to the ECM, play a pivotal role in immune response during infections. Increased abundance of integrin alpha 1, integrin beta 1, and tetraspanin suggests their involvement in the host's response to Ah infection. Proteins associated with actin cytoskeleton reorganization, such as myosin, tropomyosin, and phosphoglucomutase, exhibit increased abundance, influencing changes in cell behavior. Additionally, upregulated proteins like LTBP1 and fibrillin-2 contribute to TGF-β signaling and focal adhesion, indicating their potential role in immune regulation. The study also identifies elevated levels of laminin, galectin 3, and tenascin-C, which interact with integrins and other ECM components, potentially influencing immune cell migration and function. These proteins, along with decorin and lumican, may act as immunomodulators, coordinating pro- and anti-inflammatory responses. ECM fragments released during pathogen invasion could serve as "danger signals," initiating pathogen clearance and tissue repair through Toll-like receptor signaling. IMPORTANCE The study underscores the critical role of the extracellular matrix (ECM) and its associated proteins in the immune response of aquatic organisms during bacterial infections like Aeromonas hydrophila. Understanding the intricate interplay between ECM alterations and immune response pathways provides crucial insights for developing effective disease control strategies in aquaculture. By identifying key proteins and pathways involved in host defense mechanisms, this research lays the groundwork for targeted interventions to mitigate the impact of bacterial infections on fish health and aquaculture production.
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Affiliation(s)
- Mehar Un Nissa
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, Maharashtra, India
| | - Nevil Pinto
- Central Institute of Fisheries Education, Indian Council of Agricultural Research, Versova, Mumbai, Maharashtra, India
| | - Biplab Ghosh
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Anwesha Banerjee
- Indian Institute of Science Bangalore, Bangalore, Karnataka, India
| | - Urvi Singh
- Friedrich Alexander University Erlangen Nuremberg, Erlangen, Germany
| | - Mukunda Goswami
- Central Institute of Fisheries Education, Indian Council of Agricultural Research, Versova, Mumbai, Maharashtra, India
| | - Sanjeeva Srivastava
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, Maharashtra, India
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de la Fuente M, Delgado D, Beitia M, Barreda-Gómez G, Acera A, Sanchez M, Vecino E. Validation of a rapid collagenase activity detection technique based on fluorescent quenched gelatin with synovial fluid samples. BMC Biotechnol 2024; 24:50. [PMID: 39030513 PMCID: PMC11264812 DOI: 10.1186/s12896-024-00869-y] [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: 02/24/2024] [Accepted: 06/13/2024] [Indexed: 07/21/2024] Open
Abstract
BACKGROUND Measuring collagenase activity is crucial in the field of joint health and disease management. Collagenases, enzymes responsible for collagen degradation, play a vital role in maintaining the balance between collagen synthesis and breakdown in joints. Dysregulation of collagenase activity leads to joint tissue degradation and diseases such as rheumatoid arthritis and osteoarthritis. The development of methods to measure collagenase activity is essential for diagnosis, disease severity assessment, treatment monitoring, and identification of therapeutic targets. RESULTS This study aimed to validate a rapid collagenase activity detection technique using synovial fluid samples. Antibody microarray analysis was initially performed to quantify the levels of matrix metalloproteinase-9 (MMP-9), a major collagenase in joints. Subsequently, the developed gelatin-based test utilizing fluorescence measurement was used to determine collagenase activity. There was a significant correlation between the presence of MMP-9 and collagenase activity. In addition, Lower Limit of Detection and Upper Limit of Detection can be preliminary estimated as 8 ng/mL and 48 ng/mL respectively. CONCLUSIONS The developed technique offers a potential point-of-care assessment of collagenase activity, providing real-time information for clinicians and researchers. By accurately quantifying collagenase activity, healthcare professionals can optimize patient care, improve treatment outcomes, and contribute to the understanding and management of joint-related disorders. Further research and validation are necessary to establish the full potential of this rapid collagenase activity detection method in clinical practice.
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Affiliation(s)
- Miguel de la Fuente
- Department of Cell Biology and Histology, Experimental Ophthalmo-Biology Group (GOBE, www.ehu.eus/gobe), University of the Basque Country UPV/EHU, Leioa, 48940, Spain
| | - Diego Delgado
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, 01008, Spain
| | - Maider Beitia
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, 01008, Spain
| | | | - Arantxa Acera
- Department of Cell Biology and Histology, Experimental Ophthalmo-Biology Group (GOBE, www.ehu.eus/gobe), University of the Basque Country UPV/EHU, Leioa, 48940, Spain
- Ikerbasque, Basque Foundation for Science, Bilbao, 48001, Spain
| | - Mikel Sanchez
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, 01008, Spain
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, 01008, Spain
| | - Elena Vecino
- Department of Cell Biology and Histology, Experimental Ophthalmo-Biology Group (GOBE, www.ehu.eus/gobe), University of the Basque Country UPV/EHU, Leioa, 48940, Spain.
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Costa EP, Brandão-Costa RMP, Albuquerque WWC, Nascimento TP, Sales Conniff AE, Cardoso KBB, Neves AGD, Batista JMDS, Porto ALF. Extracellular collagenase isolated from Streptomyces antibioticus UFPEDA 3421: purification and biochemical characterization. Prep Biochem Biotechnol 2024; 54:260-271. [PMID: 37355277 DOI: 10.1080/10826068.2023.2225090] [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] [Indexed: 06/26/2023]
Abstract
Collagenases are proteases able to degrade native and denatured collagen, with broad applications such as leather, food, and pharmaceutical industries. The aim of this research was to purify and characterize a collagenase from Streptomyces antibioticus. In the present work, the coffee ground substrate provided conditions to obtaining high collagenase activity (377.5 U/mL) using anion-exchange DEAE-Sephadex G50 chromatographic protocol. SDS-PAGE revealed the metallo-collagenase with a single band of 41.28 kDa and was able to hydrolyzed type I and type V collagen producing bioactive peptides that delayed the coagulation time. The enzyme activity showed stability across a range of pH (6.0-11) and temperature (30-55 °C) with optima at pH 7.0 and 60 °C, respectively. Activators include Mg+2, Ca+2, Na+, K+, while full inhibition was given by other tested metalloproteinase inhibitors. Kinetic parameters (Km of 27.14 mg/mol, Vmax of 714.29 mg/mol/min, Kcat of 79.9 s-1 and Kcat/Km of 2.95 mL/mg/s) and thermodynamic parameters (Ea of 65.224 kJ/mol, ΔH of 62.75 kJ/mol, ΔS of 1.96 J/mol, ΔG of 62.16 kJ/mol, ΔGE-S of 8.18 kJ/mol and ΔGE-T of -2.64 kJ/mol) were also defined. Coffee grounds showed to be an interesting source to obtaining a collagenase able to produce bioactive peptides with anticoagulant activity.
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Affiliation(s)
- Elizianne Pereira Costa
- Department of Animal Morphology and Physiology, Rural Federal University of Pernambuco, Recife, PE, Brazil
- Center of Biological Sciences, Federal University of Pernambuco, Recife, PE, Brazil
| | | | | | | | | | | | | | | | - Ana Lúcia Figueiredo Porto
- Department of Animal Morphology and Physiology, Rural Federal University of Pernambuco, Recife, PE, Brazil
- Center of Biological Sciences, Federal University of Pernambuco, Recife, PE, Brazil
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Tao W, Fu T, He ZJ, Zhou HP, Hong Y. Immunomodulatory effects of Radix isatidis polysaccharides in vitro and in vivo. Exp Ther Med 2021; 22:1405. [PMID: 34675998 DOI: 10.3892/etm.2021.10841] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 08/18/2021] [Indexed: 12/20/2022] Open
Abstract
Radix isatidis (R. isatidis) is a commonly used traditional Chinese herbal medicine, which has been used for thousands of years in China and is believed to have the pharmacological properties of heat-clearing and detoxification. Heat-clearing and detoxification are theories of traditional Chinese medicine meaning that R. isatidis could treat febrile disease by clearing heat and reducing swelling. Polysaccharides isolated from R. isatidis by water extraction and alcohol precipitation have exhibited numerous biological activities, including antiviral and immunomodulatory effects. The present study was performed to investigate the immunomodulatory effects of water-soluble R. isatidis polysaccharides (RIPs) on RAW264.7 macrophages and murine splenocytes, and attempt to preliminarily identify the mechanism of immunomodulation. In vitro, RIPs had a low cytotoxicity, as shown by CellTiter 96® AQueous One Solution Cell Proliferation Assay. RAW264.7 cells treated with different concentrations of RIP displayed different morphological changes, from a round shape and aggregation to polygonal shape and dispersion in a dose-dependent manner. In the 5 mg/ml RIP-treated group, the changes of morphology were as same as the lipopolysaccharide-treated group. RIP also significantly enhanced the release of nitric oxide as shown by Griess method, and the secretion of TNF-α and IL-6 in RAW264.7 cells was confirmed by ELISA assay. Western blotting revealed a significant increase of toll-like receptor-4 (TLR-4) in RIP-treated RAW264.7, suggesting that TLR-4 may be associated with the immunomodulatory mechanism of RIP. Animal experiments also demonstrated through ELISA assays a significant increase in IFN-γ and IL-10 levels after the splenocytes of RIP-immunized mice were stimulated by inactivated herpes simplex virus type 2. The immune function of RIP-immunized mice was improved. The present study suggested that RIP could be potentially used as a novel immunomodulator.
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Affiliation(s)
- Wei Tao
- School of Bioengineering, Hangzhou Medical College, Hangzhou, Zhejiang 310013, P.R. China
| | - Ting Fu
- School of Bioengineering, Hangzhou Medical College, Hangzhou, Zhejiang 310013, P.R. China
| | - Zhuo-Jing He
- School of Bioengineering, Hangzhou Medical College, Hangzhou, Zhejiang 310013, P.R. China
| | - Han-Peng Zhou
- School of Bioengineering, Hangzhou Medical College, Hangzhou, Zhejiang 310013, P.R. China
| | - Yan Hong
- School of Bioengineering, Hangzhou Medical College, Hangzhou, Zhejiang 310013, P.R. China
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Therapeutic applications and biological activities of bacterial bioactive extracts. Arch Microbiol 2021; 203:4755-4776. [PMID: 34370077 PMCID: PMC8349711 DOI: 10.1007/s00203-021-02505-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 07/24/2021] [Accepted: 07/27/2021] [Indexed: 02/07/2023]
Abstract
Bacteria are rich in a wide variety of secondary metabolites, such as pigments, alkaloids, antibiotics, and others. These bioactive microbial products serve a great application in human and animal health. Their molecular diversity allows these natural products to possess several therapeutic attributes and biological functions. That's why the current natural drug industry focuses on uncovering all the possible ailments and diseases that could be combated by bacterial extracts and their secondary metabolites. In this paper, we review the major utilizations of bacterial natural products for the treatment of cancer, inflammatory diseases, allergies, autoimmune diseases, infections and other diseases that threaten public health. We also elaborate on the identified biological activities of bacterial secondary metabolites including antibacterial, antifungal, antiviral and antioxidant activities all of which are essential nowadays with the emergence of drug-resistant microbial pathogens. Throughout this review, we discuss the possible mechanisms of actions in which bacterial-derived biologically active molecular entities could possess healing properties to inspire the development of new therapeutic agents in academia and industry.
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Biochemical and functional analysis of corticotropin releasing factor purified from an aqueous extract of human placenta used as wound healer. J Pharm Biomed Anal 2017; 145:298-306. [PMID: 28704719 DOI: 10.1016/j.jpba.2017.06.060] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 06/23/2017] [Accepted: 06/27/2017] [Indexed: 12/18/2022]
Abstract
Human placental extract constitutes of innumerable therapeutically important components mostly used in wound healing arising from the skin and burn injuries. However, there is still some bioactive present in the placental extracts yet to be characterized to better under the complex process of wound healing mediated by the placental extract. In this study, the presence of corticotropin releasing factor (CRF) in an aqueous extract of human placenta was detected and quantified by dot blot and CRF-ELISA immunoassay kit respectively. Subsequently, it was purified by immuno-affinity chromatography and quantified as 0.45±0.05μg of CRF per ml of placental extract where its molecular weight found to be 4.78kDa by MALDI-TOF. To study functional analysis of CRF, an in vitro WI-38 lung fibroblast cell scratch wound model was used which indicated proliferation, motility of cells after treatment with purified CRF. Moreover, reduction in apoptosis rate of cells during closure of wound was observed from microscopy studies and FACS analysis. Also, Antalarmin, an antagonist of CRF type 1 receptor inhibited the wound closure potency of the purified component. Faster healing of wound with an elevation of IL-6 and TGF-β during early stages of repair by placental CRF was observed on excision rat model. The process of healing was accompanied by the decrease in the level of TNF-α and IFN-γ.
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Singh N, Bhattacharyya D. Cholesterol and Its Derivatives Reversibly Inhibit Proteinase K. J Cell Physiol 2016; 232:596-609. [DOI: 10.1002/jcp.25457] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2016] [Accepted: 06/13/2016] [Indexed: 12/13/2022]
Affiliation(s)
- Namrata Singh
- Division of Structural Biology and Bioinformatics; CSIR-Indian Institute of Chemical Biology; Jadavpur Kolkata India
| | - Debasish Bhattacharyya
- Division of Structural Biology and Bioinformatics; CSIR-Indian Institute of Chemical Biology; Jadavpur Kolkata India
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Identification of the anti-oxidant components in a two-step solvent extract of bovine bile lipid: Application of reverse phase HPLC, mass spectrometry and fluorimetric assays. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1019:83-94. [DOI: 10.1016/j.jchromb.2015.11.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Revised: 11/13/2015] [Accepted: 11/14/2015] [Indexed: 11/17/2022]
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Singh N, Bhattacharyya D. Evaluation of the presence of reduced nicotinamide adenine dinucleotide phosphate in bacterial metabolites used as immunostimulators and its role in nitric oxide induction. Microbiol Immunol 2016; 59:311-21. [PMID: 25864512 DOI: 10.1111/1348-0421.12258] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Accepted: 04/01/2015] [Indexed: 12/15/2022]
Abstract
Bacterial metabolites that act as immunostimulators have aroused interest because of their therapeutic potential in several immune disorders. These metabolites are complex, heterogeneous, and comprise numerous immune-boosting biomolecules. To better understand their immune stimulatory properties, characterization of their components is essential. An ether extract of metabolites from nine bacterial species was analyzed for the presence of reduced nicotinamide adenine dinucleotide phosphate (NADPH) or other fluorophores. This metabolite in combination with bile lipids is a licensed immune stimulatory drug. Excitation of the extract at 340 nm resulted in fluorescence with an emission maximum of around 410 nm, which is fairly specific for NADH and NADPH. Reverse-phase-HPLC and electro-spray ionization-mass analysis confirmed the presence of NADPH in the bacterial metabolites. Quantification by glutathione reductase assay indicated 11.90 ± 0.01 µM of NADPH in the metabolites. Further characterization of the individual bacterial extracts of the metabolite confirmed the presence of NADPH. Subsequently, studies were performed to evaluate the role/s of NADPH in immune-stimulatory drugs. NADPH is known to be involved in production of nitric oxide (NO), which has versatile roles in the immune system. The biological function of NADPH in NO induction by RAW 264.7 (mouse macrophage) cells was evaluated and it was found that bacterial NADPH has a significant role in inducing NO and that NADPH from individual bacterial extracts is capable of inducing NO. Investigation on the stability and biological potency of NADPH in bacterial metabolites is important because of NADPH's wide therapeutic applications, most of which are associated with its role in NO induction.
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Affiliation(s)
- Namrata Singh
- Division of Structural Biology and Bioinformatics, CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Jadavpur, Kolkata-700032, India
| | - Debasish Bhattacharyya
- Division of Structural Biology and Bioinformatics, CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Jadavpur, Kolkata-700032, India
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Peng D, Lin J, Huang Q, Zheng W, Liu G, Zheng J, Zhu L, Sun M. A novel metalloproteinase virulence factor is involved in Bacillus thuringiensis pathogenesis in nematodes and insects. Environ Microbiol 2015; 18:846-62. [PMID: 26995589 DOI: 10.1111/1462-2920.13069] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Accepted: 09/25/2015] [Indexed: 11/29/2022]
Abstract
The Gram-positive soil bacterium Bacillus thuringiensis has been developed as the leading microbial insecticide for years. The pathogenesis of B. thuringiensis requires common extracellular factors that depend on the PlcR regulon, which regulates a large number of virulence factors; however, the precise role of many of these proteins is not known. In this study, we describe the complete lifecycle of a nematicidal B. thuringiensis strain in the free living nematode Caenorhabditis elegans using in vitro and in vivo molecular techniques to follow host and bacterial effectors during the infection process. We then focus on the metalloproteinase ColB, a collagenase, which was found highly important for destruction of the intestine thereby facilitates the adaptation and colonization of B. thuringiensis in C. elegans. In vivo green fluorescent protein (GFP) reporter-gene studies showed that ColB expression is highly induced and regulated by the global activator PlcR. Finally, we demonstrated that ColB also takes part in B. thuringiensis virulence in an insect model following injection and oral infection. Indeed, addition of purified ColB accelerates the action of Cry toxin proteins in insects, too. These results give novel insights into host adaptation for B. thuringiensis and other B. cereus group bacteria and highlight the role of collagenase metalloproteases to synergize infection process.
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Affiliation(s)
- Donghai Peng
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Jian Lin
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Qiong Huang
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Wen Zheng
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Guoqiang Liu
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Jinshui Zheng
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Lei Zhu
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Ming Sun
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
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