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Kaspar F, Neubauer P, Gimpel M. Bioactive Secondary Metabolites from Bacillus subtilis: A Comprehensive Review. JOURNAL OF NATURAL PRODUCTS 2019; 82:2038-2053. [PMID: 31287310 DOI: 10.1021/acs.jnatprod.9b00110] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Bacillus subtilis is widely underappreciated for its inherent biosynthetic potential. This report comprehensively summarizes the known bioactive secondary metabolites from B. subtilis and highlights potential applications as plant pathogen control agents, drugs, and biosurfactants. B. subtilis is well known for the production of cyclic lipopeptides exhibiting strong surfactant and antimicrobial activities, such as surfactins, iturins, and fengycins. Several polyketide-derived macrolides as well as nonribosomal peptides, dihydroisocoumarins, and linear lipopeptides with antimicrobial properties have been reported, demonstrating the biosynthetic arsenal of this bacterium. Promising efforts toward the application of B. subtilis strains and their natural products in areas of agriculture and medicine are underway. However, industrial-scale availability of these compounds is currently limited by low fermentation yields and challenging accessibility via synthesis, necessitating the development of genetically engineered strains and optimized cultivation processes. We hope that this review will attract renewed interest in this often-overlooked bacterium and its impressive biosynthetic skill set.
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Affiliation(s)
- Felix Kaspar
- Institute of Biotechnology , Technical University of Berlin , Ackerstraße 76 , 13355 Berlin , Germany
| | - Peter Neubauer
- Institute of Biotechnology , Technical University of Berlin , Ackerstraße 76 , 13355 Berlin , Germany
| | - Matthias Gimpel
- Institute of Biotechnology , Technical University of Berlin , Ackerstraße 76 , 13355 Berlin , Germany
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52
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Luo C, Chen Y, Liu X, Wang X, Wang X, Li X, Zhao Y, Wei L. Engineered biosynthesis of cyclic lipopeptide locillomycins in surrogate host Bacillus velezensis FZB42 and derivative strains enhance antibacterial activity. Appl Microbiol Biotechnol 2019; 103:4467-4481. [PMID: 30989253 DOI: 10.1007/s00253-019-09784-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 03/13/2019] [Accepted: 03/19/2019] [Indexed: 01/03/2023]
Abstract
Locillomycins are cyclic lipononapeptides assembled by a nonlinear hexamodular NRPS and have strong antibacterial activity. In this study, we genetically engineered Bacillus velezensis FZB42 as a surrogate host for the heterologous expression of the loc gene cluster for locillomycins. The fosmid N13 containing whole loc gene cluster was screened from the B. velezensis 916 genomic library. Subsequently, a spectinomycin resistance cassette, and the cassette fused with an IPTG inducible promoter Pspac, was introduced in the fosmid N13 using λ Red recombination system, respectively. The resulting fosmids, designated N13+Spec and N13+PSSpec, were used for the transformation of B. velezensis FZB42 to obtain derivative strains FZBNPLOC and FZBPSLOC. RT-PCR and qRT-PCR results revealed the efficient heterologous expression of the loc gene cluster in both derivative strains. Particularly, there was positive correlation between the derivative FZBPSLOC strain and the enhanced production of locillomycins upon addition of the inducer IPTG with the highest production of locillomycins at 15-fold more than that of B. velezensis 916. This overproduction of locillomycins was also related to the enhancement of antibacterial activity against methicillin-resistant Staphylococcus aureus, and exhibited moderate changes in its hemolytic activity. Together our findings demonstrate that the nonlinear hexamodular NRPS, encoded by the loc gene cluster from B. velezensis 916, is sufficient for the biosynthesis of cyclic lipononapeptide locillomycins in the surrogate host B. velezensis FZB42. Moreover, the FZBPSLOC strain will also be useful for further development of novel locillomycins derivatives with improved antibacterial activity.
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Affiliation(s)
- Chuping Luo
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China.
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China.
| | - Yongxing Chen
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Xuehui Liu
- Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
| | - Xiaohua Wang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Xiaoyu Wang
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Xiangqian Li
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Yuping Zhao
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Lihui Wei
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing, China.
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53
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Antitumoral and Antimicrobial Activity of Surfactin Extracted from Bacillus subtilis KLP2015. Int J Pept Res Ther 2019. [DOI: 10.1007/s10989-019-09848-w] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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54
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Hu F, Liu Y, Li S. Rational strain improvement for surfactin production: enhancing the yield and generating novel structures. Microb Cell Fact 2019; 18:42. [PMID: 30819187 PMCID: PMC6394072 DOI: 10.1186/s12934-019-1089-x] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 02/18/2019] [Indexed: 01/10/2023] Open
Abstract
Surfactin, one of the most powerful microbial surfactants, is a lipopeptide-type biosurfactant which combines interesting physicochemical properties and biological activities. However, the high cost caused by its low productivity largely limits the commercial application of surfactin. Hence, many engineered bacterium have also been used to enhance surfactin biosynthesis. This review briefly summarizes the mechanism of surfactin biosynthesis, highlighting the synthesis pathway of N-terminally attached fatty acids, and outlines the main genetic engineering strategies for improving the yield and generating novel structures of surfactin, including promoter engineering, enhancing efflux systems, modifying the transcriptional regulatory genes of surfactin synthase (srfA), genomics and transcriptomics analysis, non ribosomal peptide synthetase (NRPS) domain and combinatorial biosynthesis. Finally, we discuss the future prospects of the research on surfactin.
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Affiliation(s)
- Fangxiang Hu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30 Puzhu South Road, Nanjing, Jiangsu, China
| | - Yuyue Liu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30 Puzhu South Road, Nanjing, Jiangsu, China
| | - Shuang Li
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30 Puzhu South Road, Nanjing, Jiangsu, China.
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55
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Ramos Y, Rocha J, Hael AL, van Gestel J, Vlamakis H, Cywes-Bentley C, Cubillos-Ruiz JR, Pier GB, Gilmore MS, Kolter R, Morales DK. PolyGlcNAc-containing exopolymers enable surface penetration by non-motile Enterococcus faecalis. PLoS Pathog 2019; 15:e1007571. [PMID: 30742693 PMCID: PMC6386517 DOI: 10.1371/journal.ppat.1007571] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 02/22/2019] [Accepted: 01/08/2019] [Indexed: 11/20/2022] Open
Abstract
Bacterial pathogens have evolved strategies that enable them to invade tissues and spread within the host. Enterococcus faecalis is a leading cause of local and disseminated multidrug-resistant hospital infections, but the molecular mechanisms used by this non-motile bacterium to penetrate surfaces and translocate through tissues remain largely unexplored. Here we present experimental evidence indicating that E. faecalis generates exopolysaccharides containing β-1,6-linked poly-N-acetylglucosamine (polyGlcNAc) as a mechanism to successfully penetrate semisolid surfaces and translocate through human epithelial cell monolayers. Genetic screening and molecular analyses of mutant strains identified glnA, rpiA and epaX as genes critically required for optimal E. faecalis penetration and translocation. Mechanistically, GlnA and RpiA cooperated to generate uridine diphosphate N-acetylglucosamine (UDP-GlcNAc) that was utilized by EpaX to synthesize polyGlcNAc-containing polymers. Notably, exogenous supplementation with polymeric N-acetylglucosamine (PNAG) restored surface penetration by E. faecalis mutants devoid of EpaX. Our study uncovers an unexpected mechanism whereby the RpiA-GlnA-EpaX metabolic axis enables production of polyGlcNAc-containing polysaccharides that endow E. faecalis with the ability to penetrate surfaces. Hence, targeting carbohydrate metabolism or inhibiting biosynthesis of polyGlcNAc-containing exopolymers may represent a new strategy to more effectively confront enterococcal infections in the clinic. Enterococcus faecalis is a microbial inhabitant of the human gastrointestinal tract that can cause lethal infections. Typically classified as a non-motile bacterium, E. faecalis can readily migrate and translocate across epithelial barriers to invade distant organs. Nevertheless, the molecular pathways driving enterococcal invasive attributes remain poorly understood. In this study, we uncover that E. faecalis produces a polyGlcNAc-containing extracellular glycopolymer to efficiently migrate into semisolid surfaces and translocate through human epithelial cell monolayers. Our work provides evidence that non-motile bacterial pathogens can exploit endogenous carbohydrate metabolic pathways to penetrate surfaces. Thus, targeting glycopolymer biosynthetic programs might be useful to control infections by Gram-positive cocci in the clinic.
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Affiliation(s)
- Yusibeska Ramos
- Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, NY, United States of America
| | - Jorge Rocha
- Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA, United States of America
| | - Ana L. Hael
- Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA, United States of America
| | - Jordi van Gestel
- Department of Evolutionary Biology and Environmental Studies, University of Zürich, Zürich, Switzerland
- Swiss Institute of Bioinformatics, Lausanne, Switzerland
- Department of Environmental Microbiology, Swiss Federal Institute of Aquatic Science and Technology (Eawag), Dübendorf, Switzerland
- Department of Environmental Systems Science, ETH Zürich, Zürich, Switzerland
| | - Hera Vlamakis
- Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA, United States of America
| | - Colette Cywes-Bentley
- Division of Infectious Diseases, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States of America
| | - Juan R. Cubillos-Ruiz
- Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, NY, United States of America
| | - Gerald B. Pier
- Division of Infectious Diseases, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States of America
| | - Michael S. Gilmore
- Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA, United States of America
- Department of Ophthalmology, Harvard Medical School, Boston, MA, United States of America
| | - Roberto Kolter
- Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA, United States of America
| | - Diana K. Morales
- Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, NY, United States of America
- * E-mail:
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56
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Yan X, Gu S, Cui X, Shi Y, Wen S, Chen H, Ge J. Antimicrobial, anti-adhesive and anti-biofilm potential of biosurfactants isolated from Pediococcus acidilactici and Lactobacillus plantarum against Staphylococcus aureus CMCC26003. Microb Pathog 2019; 127:12-20. [DOI: 10.1016/j.micpath.2018.11.039] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 11/24/2018] [Accepted: 11/26/2018] [Indexed: 12/20/2022]
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In Silico Discovery of Novel Ligands for Antimicrobial Lipopeptides for Computer-Aided Drug Design. Probiotics Antimicrob Proteins 2019; 10:129-141. [PMID: 29218506 DOI: 10.1007/s12602-017-9356-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The increase in antibiotic-resistant strains of pathogens has created havoc worldwide. These antibiotic-resistant pathogens require potent drugs for their inhibition. Lipopeptides, which are produced as secondary metabolites by many microorganisms, have the ability to act as potent safe drugs. Lipopeptides are amphiphilic molecules containing a lipid chain bound to the peptide. They exhibit broad-spectrum activities against both bacteria and fungi. Other than their antimicrobial properties, they have displayed anti-cancer properties as well, but their mechanism of action is not understood. In silico drug design uses computer simulation to discover and develop new drugs. This technique reduces the need of expensive and tedious lab work and clinical trials, but this method becomes a challenge due to complex structures of lipopeptides. Specific agonists (ligands) must be identified to initiate a physiological response when combined with a receptor (lipopeptide). In silico drug design and homology modeling talks about the interaction between ligands and the binding sites. This review summarizes the mechanism of selected lipopeptides, their respective ligands, and in silico drug design.
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58
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Li Q, Liao S, Zhi H, Xing D, Xiao Y, Yang Q. Characterization and sequence analysis of potential biofertilizer and biocontrol agent Bacillus subtilis strain SEM-9 from silkworm excrement. Can J Microbiol 2019; 65:45-58. [DOI: 10.1139/cjm-2018-0350] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Fusarium wilt is a devastating soil-borne disease caused mainly by highly host-specific formae speciales of Fusarium oxysporum. Antagonistic microorganisms play a very important role in Fusarium wilt control, and the isolation of potential biocontrol strains is becoming more and more important. We isolated a bacterial strain (SEM-9) from the high-temperature stage of silkworm excrement composting, which had a marked ability to solubilize phosphorus, promote the growth and increase the yield of the small Chinese cabbage, and which also exhibited considerable antagonistic effect towards Fusarium sambucinum and other fungi. The result of physiological and biochemical analyses, as well as genome sequencing, showed that SEM-9 was a strain of Bacillus subtilis. Through genome annotation and analysis, it was found that SEM-9 contained genes related to the regulation of biofilm formation, which may play an important role in colonization, and gene clusters encoding the biosynthesis of antimicrobials, such as surfactin, bacilysin, fengycin, and subtilosin-A. The production of such antifungal compounds may constitute the basis of the mode-of-action of SEM-9 against Fusarium spp. These data suggested that the SEM-9 strain has potential as both a biofertilizer and a biocontrol agent, with the potential to manage Fusarium wilt disease in crops.
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Affiliation(s)
- Qingrong Li
- The Sericulture and Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510610, P.R. China
- Key Laboratory of Urban Agriculture in South China, Ministry of Agriculture, Guangzhou 510610, P.R. China
| | - Sentai Liao
- The Sericulture and Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510610, P.R. China
| | - Huyu Zhi
- Guangdong Geolong Biotechnology Co. Ltd., ZhuHai 519000, P.R. China
| | - Dongxu Xing
- The Sericulture and Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510610, P.R. China
- Key Laboratory of Urban Agriculture in South China, Ministry of Agriculture, Guangzhou 510610, P.R. China
| | - Yang Xiao
- The Sericulture and Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510610, P.R. China
- Key Laboratory of Urban Agriculture in South China, Ministry of Agriculture, Guangzhou 510610, P.R. China
| | - Qiong Yang
- The Sericulture and Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510610, P.R. China
- Key Laboratory of Urban Agriculture in South China, Ministry of Agriculture, Guangzhou 510610, P.R. China
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59
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Abdallah DB, Tounsi S, Gharsallah H, Hammami A, Frikha-Gargouri O. Lipopeptides from Bacillus amyloliquefaciens strain 32a as promising biocontrol compounds against the plant pathogen Agrobacterium tumefaciens. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:36518-36529. [PMID: 30374716 DOI: 10.1007/s11356-018-3570-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 10/22/2018] [Indexed: 06/08/2023]
Abstract
Despite the potential biological importance of lipopeptides from Bacillus amyloliquefaciens as antimicrobial compounds, their effects on Agrobacterium tumefaciens biofilms have not been previously studied. These latter are important virulence factors for the development and re-occurrence of crown gall disease. As part of the development of a new biopesticide acting as anti-biofilm and biocontrol agent, we investigated for the first time the ability of a mixture of lipopeptides produced by B. amyloliquefaciens strain 32a to inhibit the tumor formation on plants and to reduce the formation of biofilms by the phytopathogenic A. tumefaciens strains C58 and B6. The mixture was found to display a strong biosurfactant activity as well as bactericidal activity against planktonic Agrobacterium cells. Moreover, the lipopeptide treatment inhibited biofilm formation in the range of 79.58 ± 0.60-100.00 ± 0.00% and dislodged 43.42 ± 0.91-93.89 ± 2.70% of preformed biofilm. For these assays, fluorescence microscopy did not show any adherent cell in the anti-adhesive assay and only few ones in the cell-dislodging assay. More importantly, lipopeptide-enriched extract inhibits tumor formation on tomato stem when treatments were applied after pathogen adhesion to wounded tissues. By virtue of its ability to inhibit biofilms formed on biotic and abiotic surfaces and to control efficiently tumor development, the 32a lipopeptide mixture may represent an excellent new tool for an efficient biocontrol of crown gall disease.
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Affiliation(s)
- Dorra Ben Abdallah
- Biopesticides laboratory, Centre of Biotechnology of Sfax, Sfax University, P.O. Box "1177", 3018, Sfax, Tunisia
| | - Slim Tounsi
- Biopesticides laboratory, Centre of Biotechnology of Sfax, Sfax University, P.O. Box "1177", 3018, Sfax, Tunisia
| | - Houda Gharsallah
- Laboratory of Microbiology, Research Laboratory "MPH," Habib Bourguiba University Hospital of Sfax, Sfax University, Sfax, Tunisia
| | - Adnane Hammami
- Laboratory of Microbiology, Research Laboratory "MPH," Habib Bourguiba University Hospital of Sfax, Sfax University, Sfax, Tunisia
| | - Olfa Frikha-Gargouri
- Biopesticides laboratory, Centre of Biotechnology of Sfax, Sfax University, P.O. Box "1177", 3018, Sfax, Tunisia.
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60
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Toral L, Rodríguez M, Béjar V, Sampedro I. Antifungal Activity of Lipopeptides From Bacillus XT1 CECT 8661 Against Botrytis cinerea. Front Microbiol 2018; 9:1315. [PMID: 29997581 PMCID: PMC6028715 DOI: 10.3389/fmicb.2018.01315] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Accepted: 05/30/2018] [Indexed: 11/25/2022] Open
Abstract
This work aims to explore the capacity of a Bacillus methylotrophicus (later heterotypic synonym of Bacillus velezensis) strain named XT1 CECT 8661 against the necrotrophic plant pathogen Botrytis cinerea and to identify the compounds responsible for its activity. Q_TOF electrospray mass spectrometry analysis allows us to detect several lipopeptides – surfactin, bacillomycin, and fengycin – in XT1 cultures. In vitro antibiosis studies demonstrated the efficiency of the lipopeptide fraction for the inhibition of fungal growth. In fact, microscopy studies (SEM/TEM) revealed, an alteration of the morphology of the phytopathogen in interaction with lipopeptides, with resistance structures appearing in the early stages of growth of the fungus. Our studies, carried out with tomatoes, grapes, and strawberries have demonstrated the efficiency of Bacillus XT1 CECT 8661 lipopeptides against B. cinerea infection and it capability to trigger the antioxidant activity in fruit. Overall, the results of this study highlight the potential of lipopeptides of this strain as an effective biological control agent against the colonisation of B. cinerea.
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Affiliation(s)
- Laura Toral
- Xtrem Biotech S.L., European Business Innovation Center, Granada, Spain
| | - Miguel Rodríguez
- Department of Microbiology, Faculty of Pharmacy, University of Granada, Granada, Spain.,Biomedical Research Center (CIBM), Biotechnology Institute, Granada, Spain
| | - Victoria Béjar
- Department of Microbiology, Faculty of Pharmacy, University of Granada, Granada, Spain.,Biomedical Research Center (CIBM), Biotechnology Institute, Granada, Spain
| | - Inmaculada Sampedro
- Department of Microbiology, Faculty of Pharmacy, University of Granada, Granada, Spain.,Biomedical Research Center (CIBM), Biotechnology Institute, Granada, Spain
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61
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Rocha e Silva NMP, Meira HM, Almeida FCG, Soares da Silva RDCF, Almeida DG, Luna JM, Rufino RD, Santos VA, Sarubbo LA. Natural Surfactants and Their Applications for Heavy Oil Removal in Industry. SEPARATION AND PURIFICATION REVIEWS 2018. [DOI: 10.1080/15422119.2018.1474477] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Nathalia Maria P. Rocha e Silva
- Northeast Biotechnology Network, Federal Rural University of Pernambuco, Recife, Pernambuco, Brazil
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Hugo M. Meira
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Fabíola Carolina G. Almeida
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Rita de Cássia F. Soares da Silva
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Darne G. Almeida
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Juliana M. Luna
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Raquel D. Rufino
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Valdemir A. Santos
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Leonie A. Sarubbo
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
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62
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Xiao Y, Liu X, Meng D, Tao J, Gu Y, Yin H, Li J. The role of soil bacterial community during winter fallow period in the incidence of tobacco bacterial wilt disease. Appl Microbiol Biotechnol 2018; 102:2399-2412. [PMID: 29368216 DOI: 10.1007/s00253-018-8757-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Revised: 12/11/2017] [Accepted: 12/17/2017] [Indexed: 01/01/2023]
Abstract
Bacterial wilt, caused by Ralstonia solanacearum, occurs occasionally during tobacco planting and potentially brings huge economic losses in affected areas. Soil microbes in different management stages play important roles in influencing bacterial wilt incidence. Studies have focused on the impacts of species diversity and composition during cropping periods on disease morbidity; however, the effects of the soil bacterial biomass, species diversity, species succession, and population interactions on morbidity remain unclear during non-cropping periods. In this study, we explored the soil bacterial communities in the non-cropping winter fallow (WF) and cropping late growing (LG) periods under consecutive monoculture systems using 16S ribosomal RNA gene sequencing and qPCR and further analyzed their effects on tobacco bacterial wilt incidence. We found that the bacterial communities in the WF period were significantly different from those in the LG period based on detrended correspondence analysis and dissimilarity tests. Crop morbidity was significantly related to bacterial community structure and to the presence of some genera during WF and LG periods. These genera, such as Arthrobacter, Pseudomonas, Acidobacteria GP6, and Pasteuria, may be potential biological control agents for bacterial wilt. Further analysis indicated that low soil bacterial diversity during the WF period, decrease of bacterial interactions from the WF to LG periods, and low soil biomass during the LG period all have the potential to increase morbidity. In conclusion, an increase of soil bacterial diversity and control of some bacterial abundances in the WF period might be an effective approach in controlling bacterial wilt incidence.
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Affiliation(s)
- Yunhua Xiao
- College of Bioscience and Biotechnology and College of Agronomy, Hunan Agricultural University, Changsha, 410128, China
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Xueduan Liu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Delong Meng
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Jiemeng Tao
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Yabing Gu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Huaqun Yin
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China.
| | - Juan Li
- College of Bioscience and Biotechnology and College of Agronomy, Hunan Agricultural University, Changsha, 410128, China.
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63
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Yang H, Li J, Xiao Y, Gu Y, Liu H, Liang Y, Liu X, Hu J, Meng D, Yin H. An Integrated Insight into the Relationship between Soil Microbial Community and Tobacco Bacterial Wilt Disease. Front Microbiol 2017; 8:2179. [PMID: 29163453 PMCID: PMC5681905 DOI: 10.3389/fmicb.2017.02179] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 10/24/2017] [Indexed: 12/01/2022] Open
Abstract
The soil microbial communities play an important role in plant health, however, the relationship between the below-ground microbiome and above-ground plant health remains unclear. To reveal such a relationship, we analyzed soil microbial communities through sequencing of 16S rRNA gene amplicons from 15 different tobacco fields with different levels of wilt disease in the central south part of China. We found that plant health was related to the soil microbial diversity as plants may benefit from the diverse microbial communities. Also, those 15 fields were grouped into ‘healthy’ and ‘infected’ samples based upon soil microbial community composition analyses such as unweighted paired-group method with arithmetic means (UPGMA) and principle component analysis, and furthermore, molecular ecological network analysis indicated that some potential plant-beneficial microbial groups, e.g., Bacillus and Actinobacteria could act as network key taxa, thus reducing the chance of plant soil-borne pathogen invasion. In addition, we propose that a more complex soil ecology network may help suppress tobacco wilt, which was also consistent with highly diversity and composition with plant-beneficial microbial groups. This study provides new insights into our understanding the relationship between the soil microbiome and plant health.
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Affiliation(s)
- Hongwu Yang
- College of Agronomy, Hunan Agricultural University, Changsha, China
| | - Juan Li
- College of Agronomy, Hunan Agricultural University, Changsha, China
| | - Yunhua Xiao
- College of Agronomy, Hunan Agricultural University, Changsha, China.,School of Minerals Processing and Bioengineering, Central South University, Changsha, China.,Key laboratory of Biometallurgy, Ministry of Education, Changsha, China
| | - Yabing Gu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, China.,Key laboratory of Biometallurgy, Ministry of Education, Changsha, China
| | - Hongwei Liu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, China.,Key laboratory of Biometallurgy, Ministry of Education, Changsha, China
| | - Yili Liang
- School of Minerals Processing and Bioengineering, Central South University, Changsha, China.,Key laboratory of Biometallurgy, Ministry of Education, Changsha, China
| | - Xueduan Liu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, China.,Key laboratory of Biometallurgy, Ministry of Education, Changsha, China
| | - Jin Hu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, China.,Key laboratory of Biometallurgy, Ministry of Education, Changsha, China
| | - Delong Meng
- School of Minerals Processing and Bioengineering, Central South University, Changsha, China.,Key laboratory of Biometallurgy, Ministry of Education, Changsha, China
| | - Huaqun Yin
- School of Minerals Processing and Bioengineering, Central South University, Changsha, China.,Key laboratory of Biometallurgy, Ministry of Education, Changsha, China
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Dhali D, Coutte F, Arias AA, Auger S, Bidnenko V, Chataigné G, Lalk M, Niehren J, de Sousa J, Versari C, Jacques P. Genetic engineering of the branched fatty acid metabolic pathway ofBacillus subtilisfor the overproduction of surfactin C14isoform. Biotechnol J 2017; 12. [DOI: 10.1002/biot.201600574] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 03/13/2017] [Accepted: 03/31/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Debarun Dhali
- University Lille, INRA, ISA, University Artois, University Littoral Côte d'Opale; EA 7394 - ICV - Institut Charles Viollette; Lille France
| | - François Coutte
- University Lille, INRA, ISA, University Artois, University Littoral Côte d'Opale; EA 7394 - ICV - Institut Charles Viollette; Lille France
| | - Anthony Argüelles Arias
- MiPI, TERRA Research Centre, Gembloux Agro-Bio Tech; University of Liege; Passage des Déportés; Gembloux Belgium
| | - Sandrine Auger
- Micalis Institute, INRA, AgroParisTech; University Paris-Saclay; Jouy-en-Josas France
| | - Vladimir Bidnenko
- Micalis Institute, INRA, AgroParisTech; University Paris-Saclay; Jouy-en-Josas France
| | - Gabrielle Chataigné
- University Lille, INRA, ISA, University Artois, University Littoral Côte d'Opale; EA 7394 - ICV - Institut Charles Viollette; Lille France
| | - Michael Lalk
- Ernst-Moritz-Arndt-University Greifswald; Institute of Biochemistry; Greifswald Germany
| | - Joachim Niehren
- University Lille; BioComputing Team, CRIStAL Lab (CNRS UMR9189); Villeneuve d'Ascq France
- Inria Lille; Villeneuve d'Ascq France
| | - Joana de Sousa
- Ernst-Moritz-Arndt-University Greifswald; Institute of Biochemistry; Greifswald Germany
| | - Cristian Versari
- University Lille; BioComputing Team, CRIStAL Lab (CNRS UMR9189); Villeneuve d'Ascq France
| | - Philippe Jacques
- University Lille, INRA, ISA, University Artois, University Littoral Côte d'Opale; EA 7394 - ICV - Institut Charles Viollette; Lille France
- MiPI, TERRA Research Centre, Gembloux Agro-Bio Tech; University of Liege; Passage des Déportés; Gembloux Belgium
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65
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Mohammed AI, Mansour NH, Mahdi LS. Synthesis and antibacterial activity of 1-N-(β-d-glucopyranosyl)-4-((1-substituted-1H-1,2,3-triazol-4-yl)ethoxymethyl)-1,2,3-triazoles. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2014.02.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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66
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Calvo H, Marco P, Blanco D, Oria R, Venturini M. Potential of a new strain of Bacillus amyloliquefaciens BUZ-14 as a biocontrol agent of postharvest fruit diseases. Food Microbiol 2017; 63:101-110. [DOI: 10.1016/j.fm.2016.11.004] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 10/28/2016] [Accepted: 11/07/2016] [Indexed: 11/26/2022]
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67
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Yu C, Wanli C, Dian H, Longyu Z, Minmin C, Da L, Ziniu Y, Jibin Z. Preparation and characterization of iturin A microcapsules in sodium alginate/poly(γ-glutamic acid) by spray drying. INT J POLYM MATER PO 2017. [DOI: 10.1080/00914037.2016.1233417] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Cao Yu
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Cheng Wanli
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Huang Dian
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zheng Longyu
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Cai Minmin
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Lin Da
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yu Ziniu
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zhang Jibin
- State Key Laboratory of Agricultural Microbiology, National Engineering Research Center of Microbial Pesticides, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
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68
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Merghni A, Dallel I, Noumi E, Kadmi Y, Hentati H, Tobji S, Ben Amor A, Mastouri M. Antioxidant and antiproliferative potential of biosurfactants isolated from Lactobacillus casei and their anti-biofilm effect in oral Staphylococcus aureus strains. Microb Pathog 2017; 104:84-89. [DOI: 10.1016/j.micpath.2017.01.017] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 01/08/2017] [Accepted: 01/10/2017] [Indexed: 11/25/2022]
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69
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Balouiri M, Bouhdid S, Sadiki M, Ouedrhiri W, Barkai H, El Farricha O, Ibnsouda SK, Harki EH. Effect of preconditioning cobalt and nickel based dental alloys with Bacillus sp. extract on their surface physicochemical properties and theoretical prediction of Candida albicans adhesion. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 71:111-117. [PMID: 27987667 DOI: 10.1016/j.msec.2016.09.083] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 08/14/2016] [Accepted: 09/29/2016] [Indexed: 10/20/2022]
Abstract
Biofilm formation on dental biomaterials is implicated in various oral health problems. Thus the challenge is to prevent the formation of this consortium of microorganisms using a safe approach such as antimicrobial and anti-adhesive natural products. Indeed, in the present study, the effects of an antifungal extract of Bacillus sp., isolated from plant rhizosphere, on the surface physicochemical properties of cobalt and nickel based dental alloys were studied using the contact angle measurements. Furthermore, in order to predict the adhesion of Candida albicans to the treated and untreated dental alloys, the total free energy of adhesion was calculated based on the extended Derjaguin-Landau-Verwey-Overbeek approach. Results showed hydrophobic and weak electron-donor and electron-acceptor characteristics of both untreated dental alloys. After treatment with the antifungal extract, the surface free energy of both dental alloys was influenced significantly, mostly for cobalt based alloy. In fact, treated cobalt based alloy became hydrophilic and predominantly electron donating. Those effects were time-dependent. Consequently, the total free energy of adhesion of C. albicans to this alloy became unfavorable after treatment with the investigated microbial extract. A linear relationship between the electron-donor property and the total free energy of adhesion has been found for both dental alloys. Also, a linear relationship has been found between this latter and the hydrophobicity for the cobalt based alloy. However, the exposure of nickel based alloy to the antifungal extract failed to produce the same effect.
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Affiliation(s)
- Mounyr Balouiri
- Faculté des Sciences et Techniques, Université Sidi Mohamed Ben Abdellah, BP 2202, 30007 Fez, Morocco.
| | - Samira Bouhdid
- Faculté des Sciences de Tétouan, Université Abdelmalek Essaadi, Avenue de Sebta, Mhannech II, 93002 Tétouan, Morocco
| | - Moulay Sadiki
- Faculté des Sciences et Techniques, Université Sidi Mohamed Ben Abdellah, BP 2202, 30007 Fez, Morocco
| | - Wessal Ouedrhiri
- Faculté des Sciences et Techniques, Université Sidi Mohamed Ben Abdellah, BP 2202, 30007 Fez, Morocco
| | - Hassan Barkai
- Faculté des Sciences et Techniques, Université Sidi Mohamed Ben Abdellah, BP 2202, 30007 Fez, Morocco
| | - Omar El Farricha
- Faculté des Sciences et Techniques, Université Sidi Mohamed Ben Abdellah, BP 2202, 30007 Fez, Morocco
| | - Saad Koraichi Ibnsouda
- Faculté des Sciences et Techniques, Université Sidi Mohamed Ben Abdellah, BP 2202, 30007 Fez, Morocco; Cité de l'innovation, Université Sidi Mohamed Ben Abdellah, BP 2626, 30007 Fez, Morocco
| | - El Houssaine Harki
- Faculté des Sciences et Techniques, Université Sidi Mohamed Ben Abdellah, BP 2202, 30007 Fez, Morocco
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70
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Perez KJ, Viana JDS, Lopes FC, Pereira JQ, Dos Santos DM, Oliveira JS, Velho RV, Crispim SM, Nicoli JR, Brandelli A, Nardi RMD. Bacillus spp. Isolated from Puba as a Source of Biosurfactants and Antimicrobial Lipopeptides. Front Microbiol 2017; 8:61. [PMID: 28197131 PMCID: PMC5281586 DOI: 10.3389/fmicb.2017.00061] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 01/10/2017] [Indexed: 11/13/2022] Open
Abstract
Several products of industrial interest are produced by Bacillus, including enzymes, antibiotics, amino acids, insecticides, biosurfactants and bacteriocins. This study aimed to investigate the potential of two bacterial isolates (P5 and C3) from puba, a regional fermentation product from cassava, to produce multiple substances with antimicrobial and surface active properties. Phylogenetic analyses showed close relation of isolates P5 and C3 with Bacillus amyloliquefaciens and Bacillus thuringiensis, respectively. Notably, Bacillus sp. P5 showed antimicrobial activity against pathogens such as Listeria monocytogenes and Bacillus cereus, in addition to antifungal activity. The presence of genes encoding pre-subtilosin (sboA), malonyl CoA transacylase (ituD), and the putative transcriptional terminator of surfactin (sfp) were detected in Bacillus sp. P5, suggesting the production of the bacteriocin subtilosin A and the lipopeptides iturin A and surfactin by this strain. For Bacillus sp. C3 the presence of sboA and spas (subtilin) genes was observed by the first time in members of B. cereus cluster. Bacillus sp. P5 showed emulsifying capability on mineral oil, soybean biodiesel and toluene, while Bacillus sp. C3 showed emulsifying capability only on mineral oil. The reduction of the surface tension in culture medium was also observed for strain P5, confirming the production of surface-active compounds by this bacterium. Monoprotonated molecular species and adducts of sodium and potassium ions of surfactin, iturin, and fengycin were detected in the P5 culture medium. Comparative MS/MS spectra of the peak m/z 1030 (C14 surfactin A or C15 surfactin B [M+Na]+) and peak m/z 1079 (C15 iturin [M+Na]+) showed the same fragmentation profile of standards, confirming the molecular identification. In conclusion, Bacillus sp. P5 showed the best potential for the production of antifungal, antibacterial, and biosurfactant substances.
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Affiliation(s)
- Karla J Perez
- Laboratório de Microbiologia Aplicada, Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas GeraisBelo Horizonte, Brazil; Laboratório de Bioquímica e Microbiologia Aplicada, Departamento de Ciência de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do SulPorto Alegre, Brazil
| | - Jaime Dos Santos Viana
- Laboratório de Microbiologia Aplicada, Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais Belo Horizonte, Brazil
| | - Fernanda C Lopes
- Laboratório de Bioquímica e Microbiologia Aplicada, Departamento de Ciência de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul Porto Alegre, Brazil
| | - Jamile Q Pereira
- Laboratório de Bioquímica e Microbiologia Aplicada, Departamento de Ciência de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul Porto Alegre, Brazil
| | - Daniel M Dos Santos
- Núcleo de Biomoléculas, Departamento de Bioquímica-Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais Belo Horizonte, Brazil
| | - Jamil S Oliveira
- Núcleo de Biomoléculas, Departamento de Bioquímica-Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais Belo Horizonte, Brazil
| | - Renata V Velho
- Laboratório de Bioquímica e Microbiologia Aplicada, Departamento de Ciência de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul Porto Alegre, Brazil
| | - Silvia M Crispim
- Laboratório de Microbiologia Aplicada, Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais Belo Horizonte, Brazil
| | - Jacques R Nicoli
- Laboratório de Microbiologia Aplicada, Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais Belo Horizonte, Brazil
| | - Adriano Brandelli
- Laboratório de Bioquímica e Microbiologia Aplicada, Departamento de Ciência de Alimentos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul Porto Alegre, Brazil
| | - Regina M D Nardi
- Laboratório de Microbiologia Aplicada, Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais Belo Horizonte, Brazil
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71
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Lin W, Liu S, Tong L, Zhang Y, Yang J, Liu W, Guo C, Xie Y, Lu G, Dang Z. Effects of rhamnolipids on the cell surface characteristics of Sphingomonas sp. GY2B and the biodegradation of phenanthrene. RSC Adv 2017. [DOI: 10.1039/c7ra02576a] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The mechanism of the interaction of rhamnolipids on strain GY2B.
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Affiliation(s)
- Weijia Lin
- School of Environment and Energy
- South China University of Technology
- Guangzhou 510006
- PR China
| | - Shasha Liu
- School of Environment and Energy
- South China University of Technology
- Guangzhou 510006
- PR China
| | - Le Tong
- School of Environment and Energy
- South China University of Technology
- Guangzhou 510006
- PR China
| | - Yumei Zhang
- School of Environment and Energy
- South China University of Technology
- Guangzhou 510006
- PR China
| | - Jing Yang
- School of Environment and Energy
- South China University of Technology
- Guangzhou 510006
- PR China
| | - Weiting Liu
- School of Environment and Energy
- South China University of Technology
- Guangzhou 510006
- PR China
| | - Chuling Guo
- School of Environment and Energy
- South China University of Technology
- Guangzhou 510006
- PR China
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters
| | - Yingying Xie
- School of Environment and Energy
- South China University of Technology
- Guangzhou 510006
- PR China
| | - Guining Lu
- School of Environment and Energy
- South China University of Technology
- Guangzhou 510006
- PR China
- Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal
| | - Zhi Dang
- School of Environment and Energy
- South China University of Technology
- Guangzhou 510006
- PR China
- The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters
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72
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Antimicrobial activities of a promising glycolipid biosurfactant from a novel marine Staphylococcus saprophyticus SBPS 15. 3 Biotech 2016; 6:163. [PMID: 28330235 PMCID: PMC4978644 DOI: 10.1007/s13205-016-0478-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Accepted: 08/01/2016] [Indexed: 10/31/2022] Open
Abstract
Biosurfactants have gained a renewed interest in the recent years for their commercial application in diverse research areas. Recent evidences suggest that the antimicrobial activities exhibited by biosurfactants make them promising molecules for the application in the field of therapeutics. Marine microbes are well known for their unique metabolic and functional properties; however, few reports are available till date regarding their biosurfactant production and antimicrobial potential. In an ongoing survey for bioactive microbial metabolites from microbes isolated from diverse ecological niches, a marine Staphylococcus saprophyticus SBPS 15 isolated from the petroleum hydrocarbon contaminated coastal site, Puducherry, India, was identified as a promising biosurfactant producer based on multiple screening methods. This bacterium exhibited growth-dependent biosurfactant production and the recorded yield was 1.345 ± 0.056 g/L (on dry weight basis). The biosurfactant was purified and chemically characterized as a glycolipid with a molecular mass of 606.7 Da, based on TLC, biochemical estimation methods, FT-IR spectrum and MALDI-TOF-MS analysis. Further, the estimated molecular mass was different from the earlier reports on biosurfactants. This new glycolipid biosurfactant exhibited a board range of pH and temperature stability. Furthermore, it revealed a promising antimicrobial activity against many tested human pathogenic bacterial and fungal clinical isolates. Based on these observations, the isolated biosurfactant from the marine S. saprophyticus revealed board physicochemical stabilities and possess excellent antimicrobial activities which proves its significance for possible use in various therapeutic and biomedical applications. To the best of our knowledge, this is the first report of a biosurfactant from the bacterium, S. saprophyticus.
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73
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Alajlani M, Shiekh A, Hasnain S, Brantner A. Purification of Bioactive Lipopeptides Produced by Bacillus subtilis Strain BIA. Chromatographia 2016; 79:1527-1532. [DOI: https:/doi.org/10.1007/s10337-016-3164-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
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74
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Deng Q, Wang W, Sun L, Wang Y, Liao J, Xu D, Liu Y, Ye R, Gooneratne R. A sensitive method for simultaneous quantitative determination of surfactin and iturin by LC-MS/MS. Anal Bioanal Chem 2016; 409:179-191. [PMID: 27766360 DOI: 10.1007/s00216-016-9984-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 08/26/2016] [Accepted: 09/27/2016] [Indexed: 11/24/2022]
Abstract
Surfactin and iturin are antimicrobial lipopeptides produced from Bacillus spp. and have significant prospective applications in many fields. Therefore, accurate analysis of these lipopeptides in the fermented product of some Bacillus strains is important. A sensitive method for simultaneous quantitative determination of surfactin and iturin fermented by Bacillus natto NT-6 was developed and validated using liquid chromatography-tandem mass spectrometry. Crude extracts of antimicrobial lipopeptide samples were dissolved in a mixture of acetonitrile/water (7:3, v/v) in 0.1 % (v/v) formic acid and eluted with acetonitrile/water (7:3, v/v) containing 5 mmol L-1 ammonium acetate and 0.1 % (v/v) formic acid. The target compounds were detected by mass spectrometry (ESI+) using selective ion monitoring. A good linear regression in the range of 0.20-10.0 mg L-1 for both surfactin and iturin (R 2 ≥ 0.9995) was observed with spiked recoveries of 93.3-108.2 %, RSD values less than 15 %, precision 4.14-13.30 %, and a detection limit of 0.374 mg L-1. This method has a simple preprocessing operation, good repeatability, and provides an accurate quantitative analysis of surfactin and iturin. Graphical Abstract Surfactin and iturin from Bacillus natto NT-6 extraction and detection procedure.
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Affiliation(s)
- Qi Deng
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Food Science and Technology, Guangdong Ocean University, 1 Haida Road, Zhanjiang, Guangdong, 524088, China
| | - Wenjing Wang
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Food Science and Technology, Guangdong Ocean University, 1 Haida Road, Zhanjiang, Guangdong, 524088, China
| | - Lijun Sun
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Food Science and Technology, Guangdong Ocean University, 1 Haida Road, Zhanjiang, Guangdong, 524088, China.
| | - Yaling Wang
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Food Science and Technology, Guangdong Ocean University, 1 Haida Road, Zhanjiang, Guangdong, 524088, China.
| | - Jianmeng Liao
- National Marine Products Quality Supervision & Inspection Center, Zhanjiang, Guangdong, 524000, China
| | - Defeng Xu
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Food Science and Technology, Guangdong Ocean University, 1 Haida Road, Zhanjiang, Guangdong, 524088, China
| | - Ying Liu
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Food Science and Technology, Guangdong Ocean University, 1 Haida Road, Zhanjiang, Guangdong, 524088, China
| | - Riying Ye
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, Key Laboratory of Advanced Processing of Aquatic Products of Guangdong Higher Education Institution, College of Food Science and Technology, Guangdong Ocean University, 1 Haida Road, Zhanjiang, Guangdong, 524088, China
| | - Ravi Gooneratne
- Centre for Food Research and Innovation, Department of Wine, Food and Molecular Biosciences, Lincoln University, Lincoln, 7647, Canterbury, New Zealand
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75
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Alajlani M, Shiekh A, Hasnain S, Brantner A. Purification of Bioactive Lipopeptides Produced by Bacillus subtilis Strain BIA. Chromatographia 2016; 79:1527-1532. [PMID: 27867207 PMCID: PMC5088217 DOI: 10.1007/s10337-016-3164-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2016] [Revised: 08/15/2016] [Accepted: 08/26/2016] [Indexed: 11/07/2022]
Abstract
Bacillus subtilis strain BIA was used for the production of bioactive lipopeptides. Different extraction and purification
methods were assayed as liquid–liquid extraction, and acid and ammonium sulfate precipitation followed by TLC, SPE, and gel filtration. Active fractions were further purified using RP-HPLC. The molecular mass of the purified product from HPLC was determined through Tris-Tricine SDS-PAGE and MALDI–TOF-MS. The results revealed that Bacillus subtilis strain BIA produced surfactin and iturin like compounds. Coproduction of surfactin and iturin like compounds by this strain is a remarkable trait for a potential biocontrol agent. This paper also includeds techniques that have been developed for the optimal and convenient extraction of bioactive lipopeptides from microbial origin.
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Affiliation(s)
- Muaaz Alajlani
- Department of Pharmacognosy, Institute of Pharmaceutical Sciences, University of Graz, Universitaetsplatz 4/I, 8010 Graz, Austria
| | - Abid Shiekh
- Department of Microbiology and Molecular Genetics, Faculty of Life Sciences, University of the Punjab, Lahore, Pakistan
| | - Shahida Hasnain
- Department of Microbiology and Molecular Genetics, Faculty of Life Sciences, University of the Punjab, Lahore, Pakistan ; Department of Microbiology and Molecular Genetics, Faculty of Life Sciences, The Women University Multan, Multan, Pakistan
| | - Adelheid Brantner
- Department of Pharmacognosy, Institute of Pharmaceutical Sciences, University of Graz, Universitaetsplatz 4/I, 8010 Graz, Austria
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76
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Mnif I, Ghribi D. Review lipopeptides biosurfactants: Mean classes and new insights for industrial, biomedical, and environmental applications. Biopolymers 2016; 104:129-47. [PMID: 25808118 DOI: 10.1002/bip.22630] [Citation(s) in RCA: 140] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 01/09/2015] [Accepted: 02/23/2015] [Indexed: 11/10/2022]
Abstract
Lipopeptides are microbial surface active compounds produced by a wide variety of bacteria, fungi, and yeast. They are characterized by high structural diversity and have the ability to decrease the surface and interfacial tension at the surface and interface, respectively. Surfactin, iturin, and fengycin of Bacillus subtilis are among the most popular lipopeptides. Lipopepetides can be applied in diverse domains as food and cosmetic industries for their emulsification/de-emulsification capacity, dispersing, foaming, moisturizing, and dispersing properties. Also, they are qualified as viscosity reducers, hydrocarbon solubilizing and mobilizing agents, and metal sequestering candidates for application in environment and bioremediation. Moreover, their ability to form pores and destabilize biological membrane permits their use as antimicrobial, hemolytic, antiviral, antitumor, and insecticide agents. Furthermore, lipopeptides can act at the surface and can modulate enzymes activity permitting the enhancement of the activity of certain enzymes ameliorating microbial process or the inhibition of certain other enzymes permitting their use as antifungal agents. This article will present a detailed classification of lipopeptides biosurfactant along with their producing strain and biological activities and will discuss their functional properties and related applications.
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Affiliation(s)
- Inès Mnif
- Higher Institute of Biotechnology, Sfax, Tunisia.,Unit Enzymes and Bioconversion, National School of Engineers, Tunisia
| | - Dhouha Ghribi
- Higher Institute of Biotechnology, Sfax, Tunisia.,Unit Enzymes and Bioconversion, National School of Engineers, Tunisia
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Antagonist effects of Bacillus spp. strains against Fusarium graminearum for protection of durum wheat (Triticum turgidum L. subsp. durum). Microbiol Res 2016; 192:148-158. [PMID: 27664733 DOI: 10.1016/j.micres.2016.06.012] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Revised: 06/28/2016] [Accepted: 06/30/2016] [Indexed: 11/22/2022]
Abstract
Bacillus species are attractive due to their potential use in the biological control of fungal diseases. Bacillus amyloliquefaciens strain BLB369, Bacillus subtilis strain BLB277, and Paenibacillus polymyxa strain BLB267 were isolated and identified using biochemical and molecular (16S rDNA, gyrA, and rpoB) approaches. They could produce, respectively, (iturin and surfactin), (surfactin and fengycin), and (fusaricidin and polymyxin) exhibiting broad spectrum against several phytopathogenic fungi. In vivo examination of wheat seed germination, plant height, phenolic compounds, chlorophyll, and carotenoid contents proved the efficiency of the bacterial cells and the secreted antagonist activities to protect Tunisian durum wheat (Triticum turgidum L. subsp. durum) cultivar Om Rabiia against F. graminearum fungus. Application of single bacterial culture medium, particularly that of B. amyloliquefaciens, showed better protection than combinations of various culture media. The tertiary combination of B. amyloliquefaciens, B. subtilis, and P. polymyxa bacterial cells led to the highest protection rate which could be due to strains synergistic or complementary effects. Hence, combination of compatible biocontrol agents could be a strategic approach to control plant diseases.
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78
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Tang B, Yu C, Bin L, Zhao Y, Feng X, Huang S, Fu F, Ding J, Chen C, Li P, Chen Q. Essential factors of an integrated moving bed biofilm reactor-membrane bioreactor: Adhesion characteristics and microbial community of the biofilm. BIORESOURCE TECHNOLOGY 2016; 211:574-583. [PMID: 27038266 DOI: 10.1016/j.biortech.2016.03.136] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Revised: 03/22/2016] [Accepted: 03/25/2016] [Indexed: 06/05/2023]
Abstract
This work aims at revealing the adhesion characteristics and microbial community of the biofilm in an integrated moving bed biofilm reactor-membrane bioreactor, and further evaluating their variations over time. With multiple methods, the adhesion characteristics and microbial community of the biofilm on the carriers were comprehensively illuminated, which showed their dynamic variation along with the operational time. Results indicated that: (1) the roughness of biofilm on the carriers increased very quickly to a maximum value at the start-up stage, then, decreased to become a flat curve, which indicated a layer of smooth biofilm formed on the surface; (2) the tightly-bound protein and polysaccharide was the most important factor influencing the stability of biofilm; (3) the development of biofilm could be divided into three stages, and Gammaproteobacteria were the most dominant microbial species in class level at the last stage, which occupied the largest ratio (51.48%) among all microbes.
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Affiliation(s)
- Bing Tang
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China.
| | - Chunfei Yu
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China
| | - Liying Bin
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China
| | - Yiliang Zhao
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China
| | - Xianfeng Feng
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China
| | - Shaosong Huang
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China
| | - Fenglian Fu
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China
| | - Jiewei Ding
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China
| | - Cuiqun Chen
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China
| | - Ping Li
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China
| | - Qianyu Chen
- School of Environmental Science and Engineering, Guangdong University of Technology, 510006 Guangzhou, PR China
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80
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Impact of foaming on surfactin production by Bacillus subtilis : Implications on the development of integrated in situ foam fractionation removal systems. Biochem Eng J 2016. [DOI: 10.1016/j.bej.2016.02.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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81
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Inhibitory potential of biosurfactants from Bacillus amyloliquefaciens derived from mangrove soil against Vibrio parahaemolyticus. ANN MICROBIOL 2016. [DOI: 10.1007/s13213-016-1216-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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82
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Ciandrini E, Campana R, Casettari L, Perinelli DR, Fagioli L, Manti A, Palmieri GF, Papa S, Baffone W. Characterization of biosurfactants produced by Lactobacillus spp. and their activity against oral streptococci biofilm. Appl Microbiol Biotechnol 2016; 100:6767-6777. [PMID: 27102127 DOI: 10.1007/s00253-016-7531-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 03/22/2016] [Accepted: 03/31/2016] [Indexed: 01/29/2023]
Abstract
Lactic acid bacteria (LAB) can interfere with pathogens through different mechanisms; one is the production of biosurfactants, a group of surface-active molecules, which inhibit the growth of potential pathogens. In the present study, biosurfactants produced by Lactobacillus reuteri DSM 17938, Lactobacillus acidophilus DDS-1, Lactobacillus rhamnosus ATCC 53103, and Lactobacillus paracasei B21060 were dialyzed (1 and 6 kDa) and characterized in term of reduction of surface tension and emulsifying activity. Then, aliquots of the different dialyzed biosurfactants were added to Streptococcus mutans ATCC 25175 and Streptococcus oralis ATCC 9811 in the culture medium during the formation of biofilm on titanium surface and the efficacy was determined by agar plate count, biomass analyses, and flow cytometry. Dialyzed biosurfactants showed abilities to reduce surface tension and to emulsifying paraffin oil. Moreover, they significantly inhibited the adhesion and biofilm formation on titanium surface of S. mutans and S. oralis in a dose-dependent way, as demonstrated by the remarkable decrease of cfu/ml values and biomass production. The antimicrobial properties observed for dialyzed biosurfactants produced by the tested lactobacilli opens future prospects for their use against microorganisms responsible of oral diseases.
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Affiliation(s)
- Eleonora Ciandrini
- Department of Biomolecular Sciences, Division of Toxicological, Hygiene and Environmental Sciences, University of Urbino "Carlo Bo", Via S. Chiara 27, 61029, Urbino, Italy
| | - Raffaella Campana
- Department of Biomolecular Sciences, Division of Toxicological, Hygiene and Environmental Sciences, University of Urbino "Carlo Bo", Via S. Chiara 27, 61029, Urbino, Italy
| | - Luca Casettari
- Department of Biomolecular Sciences, Division of Toxicological, Hygiene and Environmental Sciences, University of Urbino "Carlo Bo", Via S. Chiara 27, 61029, Urbino, Italy
| | - Diego R Perinelli
- School of Pharmacy, University of Camerino, via S. Agostino 1, 62032, Camerino, MC, Italy
| | - Laura Fagioli
- Department of Biomolecular Sciences, Division of Toxicological, Hygiene and Environmental Sciences, University of Urbino "Carlo Bo", Via S. Chiara 27, 61029, Urbino, Italy
| | - Anita Manti
- Department of Biomolecular Sciences, Division of Toxicological, Hygiene and Environmental Sciences, University of Urbino "Carlo Bo", Via S. Chiara 27, 61029, Urbino, Italy
| | | | - Stefano Papa
- Department of Biomolecular Sciences, Division of Toxicological, Hygiene and Environmental Sciences, University of Urbino "Carlo Bo", Via S. Chiara 27, 61029, Urbino, Italy
| | - Wally Baffone
- Department of Biomolecular Sciences, Division of Toxicological, Hygiene and Environmental Sciences, University of Urbino "Carlo Bo", Via S. Chiara 27, 61029, Urbino, Italy.
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83
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Sajitha KL, Dev SA, Maria Florence EJ. Identification and Characterization of Lipopeptides from Bacillus subtilis B1 Against Sapstain Fungus of Rubberwood Through MALDI-TOF-MS and RT-PCR. Curr Microbiol 2016; 73:46-53. [PMID: 27004481 DOI: 10.1007/s00284-016-1025-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Accepted: 02/05/2016] [Indexed: 11/24/2022]
Abstract
Bacillus subtilis is a potent biocontrol agent producing a wide array of antifungal lipopeptides for the inhibition of fungal growth. B. subtilis B1 isolated from market-available compost provided an efficient control of rubberwood sapstain fungus, Lasiodiplodia theobromae. The current study is aimed to identify and characterize the lipopeptides responsible for the biocontrol of rubberwood sapstain fungus by Bacillus subtilis B1. The bacterial whole-cell surface extract from the dual culture of B. subtilis B1 and sapstain fungus (L. theobromae) was analysed using MALDI-TOF-MS. The protonated as well as sodium, potassium adducts of homologues of iturin C, surfactin, bacillomycin D and fengycin A and B were identified and expression of the lipopeptide biosynthetic genes could be confirmed through RT-PCR. This is the first report of mycobacillin and trimethylsilyl derivative of bacilysin during antagonism through MALDI-TOF-MS. MALDI-TOF-MS with RT-PCR offered easy platforms to characterize the antifungal lipopeptides. The identification of antifungal lipopeptides can lead to the formulation of prospective biocontrol by-products which have wide-scale utility.
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Affiliation(s)
- K L Sajitha
- Forest Health Division, Forest Pathology Department, Kerala Forest Research Institute, Peechi, Thrissur, Kerala, India
| | - Suma Arun Dev
- Forest Genetics and Biotechnology Division, Forest Biotechnology Department, Kerala Forest Research Institute, Peechi, Thrissur, Kerala, India.
| | - E J Maria Florence
- Forest Health Division, Forest Pathology Department, Kerala Forest Research Institute, Peechi, Thrissur, Kerala, India
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84
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Choi NY, Bae YM, Lee SY. Cell surface properties and biofilm formation of pathogenic bacteria. Food Sci Biotechnol 2015. [DOI: 10.1007/s10068-015-0301-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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85
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Coronel-León J, Marqués A, Bastida J, Manresa A. Optimizing the production of the biosurfactant lichenysin and its application in biofilm control. J Appl Microbiol 2015; 120:99-111. [DOI: 10.1111/jam.12992] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2015] [Revised: 09/29/2015] [Accepted: 10/16/2015] [Indexed: 01/05/2023]
Affiliation(s)
- J. Coronel-León
- Unitat de Microbiología; Facultat de Farmacia; Universitat de Barcelona; Barcelona Spain
| | - A.M. Marqués
- Unitat de Microbiología; Facultat de Farmacia; Universitat de Barcelona; Barcelona Spain
| | - J. Bastida
- Departamento de Ingeniería Química; Universidad de Murcia, El Espinardo; Murcia Spain
| | - A. Manresa
- Unitat de Microbiología; Facultat de Farmacia; Universitat de Barcelona; Barcelona Spain
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86
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Santos da Silva MT, Soares CMF, Lima AS, Santana CC. Integral production and concentration of surfactin from Bacillus sp. ITP-001 by semi-batch foam fractionation. Biochem Eng J 2015. [DOI: 10.1016/j.bej.2015.04.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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87
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Díaz De Rienzo MA, Stevenson P, Marchant R, Banat IM. Antibacterial properties of biosurfactants against selected Gram-positive and -negative bacteria. FEMS Microbiol Lett 2015; 363:fnv224. [PMID: 26598715 DOI: 10.1093/femsle/fnv224] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/19/2015] [Indexed: 11/13/2022] Open
Abstract
The antibacterial properties and ability to disrupt biofilms of biosurfactants (rhamnolipids, sophorolipids) and sodium dodecyl sulphate (SDS) in the presence and absence of selected organic acids were investigated. Pseudomonas aeruginosa PAO1 was inhibited by sophorolipids and SDS at concentrations >5% v/v, and the growth of Escherichia coli NCTC 10418 was also inhibited by sophorolipids and SDS at concentrations >5% and 0.1% v/v, respectively. Bacillus subtilis NCTC 10400 was inhibited by rhamnolipids, sophorolipids and SDS at concentrations >0.5% v/v of all three; the same effect was observed with Staphylococcus aureus ATCC 9144. The ability to attach to surfaces and biofilm formation of P. aeruginosa PAO1, E. coli NCTC 10418 and B. subtilis NCTC 10400 was inhibited by sophorolipids (1% v/v) in the presence of caprylic acid (0.8% v/v). In the case of S. aureus ATCC 9144, the best results were obtained using caprylic acid on its own. It was concluded that sophorolipids are promising compounds for the inhibition/disruption of biofilms formed by Gram-positive and Gram-negative microorganisms and this activity can be enhanced by the presence of booster compounds such as caprylic acid.
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Affiliation(s)
- Mayri A Díaz De Rienzo
- School of Chemical Engineering and Analytical Science, University of Manchester, Manchester, M13 9PL, UK
| | - Paul Stevenson
- Unilever Research and Development Laboratory, Port Sunlight, Wirral, CH62 4ZD, UK
| | - Roger Marchant
- School of Biomedical Sciences, University of Ulster, Coleraine, BT52 1SA, Northern Ireland, UK
| | - Ibrahim M Banat
- School of Biomedical Sciences, University of Ulster, Coleraine, BT52 1SA, Northern Ireland, UK
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88
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Zhao F, Zhang C, Yin J, Shen Y, Lu W. Coupling of Spinosad Fermentation and Separation Process via Two-Step Macroporous Resin Adsorption Method. Appl Biochem Biotechnol 2015; 176:2144-56. [PMID: 26077683 DOI: 10.1007/s12010-015-1704-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2015] [Accepted: 06/02/2015] [Indexed: 10/23/2022]
Abstract
In this paper, a two-step resin adsorption technology was investigated for spinosad production and separation as follows: the first step resin addition into the fermentor at early cultivation period to decrease the timely product concentration in the broth; the second step of resin addition was used after fermentation to adsorb and extract the spinosad. Based on this, a two-step macroporous resin adsorption-membrane separation process for spinosad fermentation, separation, and purification was established. Spinosad concentration in 5-L fermentor increased by 14.45 % after adding 50 g/L macroporous at the beginning of fermentation. The established two-step macroporous resin adsorption-membrane separation process got the 95.43 % purity and 87 % yield for spinosad, which were both higher than that of the conventional crystallization of spinosad from aqueous phase that were 93.23 and 79.15 % separately. The two-step macroporous resin adsorption method has not only carried out the coupling of spinosad fermentation and separation but also increased spinosad productivity. In addition, the two-step macroporous resin adsorption-membrane separation process performs better in spinosad yield and purity.
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Affiliation(s)
- Fanglong Zhao
- Department of Biological Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
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89
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Sadekuzzaman M, Yang S, Mizan M, Ha S. Current and Recent Advanced Strategies for Combating Biofilms. Compr Rev Food Sci Food Saf 2015. [DOI: 10.1111/1541-4337.12144] [Citation(s) in RCA: 152] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- M. Sadekuzzaman
- School of Food Science and Technology; Chung-Ang Univ; 72-1 Nae-Ri Daedeok-Myun, Anseong Gyunggido 456-756 South Korea Dept. of Livestock Services, People's Republic of Bangladesh
| | - S. Yang
- Chung-Ang Univ; 72-1 Nae-Ri Daedeok-Myun, Anseong Gyunggido 456-756 South Korea
| | - M.F.R. Mizan
- Chung-Ang Univ; 72-1 Nae-Ri Daedeok-Myun, Anseong Gyunggido 456-756 South Korea
| | - S.D. Ha
- Chung-Ang Univ; 72-1 Nae-Ri Daedeok-Myun, Anseong Gyunggido 456-756 South Korea
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90
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Chakraborty S, Ghosh M, Chakraborti S, Jana S, Sen KK, Kokare C, Zhang L. Biosurfactant produced from Actinomycetes nocardiopsis A17: Characterization and its biological evaluation. Int J Biol Macromol 2015; 79:405-12. [PMID: 25989147 DOI: 10.1016/j.ijbiomac.2015.04.068] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 04/27/2015] [Accepted: 04/28/2015] [Indexed: 10/23/2022]
Abstract
This investigation aims to isolate an Actinomycetes strain producing a biosurfactant from the unexplored region of industrial and coal mine areas. Actinomycetes are selected for this study as their novel chemistry was not exhausted and they have tremendous potential to produce bioactive secondary metabolites. The biosurfactant was characterized and further needed to be utilized for pharmaceutical dosage form. Isolation, purification, screening, and characterization of the Actinomycetes A17 were done followed by its fermentation in optimized conditions. The cell-free supernatant was used for the extraction of the biosurfactant and precipitated by cold acetone. The dried precipitate was purified by TLC and the emulsification index, surface tension and CMC were determined. The isolated strain with preferred results was identified as Actinomycetes nocardiopsis A17 with high foam-forming properties. It gives lipase, amylase, gelatinase, and protease activity. The emulsification index was found to be 93±0.8 with surface tension 66.67 dyne/cm at the lowest concentration and cmc 0.6 μg/ml. These biosurfactants were characterized by Fourier transform infra red (FT-IR) spectroscopy and liquid chromatography-mass spectrometry (LC-MS). Therefore, it can be concluded that the biosurfactant produced by Actinomycetes nocardiopsis sp. strain A17 was found to have satisfactory results with high surface activity and emulsion-forming ability.
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Affiliation(s)
- Samrat Chakraborty
- Department of Pharmaceutics, Gupta College of Technological Sciences, Asansol 713301, WB, India
| | - Mandakini Ghosh
- Department of Pharmaceutics, Gupta College of Technological Sciences, Asansol 713301, WB, India
| | - Srijita Chakraborti
- Department of Pharmaceutics, Gupta College of Technological Sciences, Asansol 713301, WB, India
| | - Sougata Jana
- Department of Pharmaceutics, Gupta College of Technological Sciences, Asansol 713301, WB, India.
| | - Kalyan Kumar Sen
- Department of Pharmaceutics, Gupta College of Technological Sciences, Asansol 713301, WB, India
| | - Chandrakant Kokare
- Department of Pharmaceutics, Sinhgad Institute of Pharmacy, Narhe, Pune 411 041, India
| | - Lixin Zhang
- Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, PR China
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91
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Meena KR, Kanwar SS. Lipopeptides as the antifungal and antibacterial agents: applications in food safety and therapeutics. BIOMED RESEARCH INTERNATIONAL 2015; 2015:473050. [PMID: 25632392 PMCID: PMC4303012 DOI: 10.1155/2015/473050] [Citation(s) in RCA: 197] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 09/26/2014] [Accepted: 10/02/2014] [Indexed: 11/17/2022]
Abstract
A lot of crops are destroyed by the phytopathogens such as fungi, bacteria, and yeast leading to economic losses to the farmers. Members of the Bacillus genus are considered as the factories for the production of biologically active molecules that are potential inhibitors of growth of phytopathogens. Plant diseases constitute an emerging threat to global food security. Many of the currently available antimicrobial agents for agriculture are highly toxic and nonbiodegradable and thus cause extended environmental pollution. Moreover, an increasing number of phytopathogens have developed resistance to antimicrobial agents. The lipopeptides have been tried as potent versatile weapons to deal with a variety of phytopathogens. All the three families of Bacillus lipopeptides, namely, Surfactins, Iturins and Fengycins, have been explored for their antagonistic activities towards a wide range of phytopathogens including bacteria, fungi, and oomycetes. Iturin and Fengycin have antifungal activities, while Surfactin has broad range of potent antibacterial activities and this has also been used as larvicidal agent. Interestingly, lipopeptides being the molecules of biological origin are environmentally acceptable.
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Affiliation(s)
- Khem Raj Meena
- Department of Biotechnology, Himachal Pradesh University, Summer Hill, Shimla 171 005, India
| | - Shamsher S. Kanwar
- Department of Biotechnology, Himachal Pradesh University, Summer Hill, Shimla 171 005, India
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92
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Luo C, Zhou H, Zou J, Wang X, Zhang R, Xiang Y, Chen Z. Bacillomycin L and surfactin contribute synergistically to the phenotypic features of Bacillus subtilis 916 and the biocontrol of rice sheath blight induced by Rhizoctonia solani. Appl Microbiol Biotechnol 2014; 99:1897-910. [PMID: 25398282 DOI: 10.1007/s00253-014-6195-4] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2014] [Revised: 10/22/2014] [Accepted: 10/23/2014] [Indexed: 12/27/2022]
Abstract
The antagonistic activity of lipopeptides in Bacillus subtilis 916 has been well documented, yet relatively little is known about their mechanism in biofilm formation and environmental colonization. This study sought to examine the interaction of B. subtilis 916 on Rhizoctonia solani-infected rice sheath to elucidate the mechanism of colonization on plant leaves. Results showed that the mutants Δbac, Δsrf, and Δsrf + bac of B. subtilis 916, deficient in bacillomycin L and surfactin production, respectively, not only altered colony morphology but also changed swarming motility, reduced antagonistic activity, and decreased biofilm formation. In particular, biofilm formation in mutant Δbac, not Δsrf or Δsrf + bac, were restored with addition of surfactin and bacillomycin L at 10 and 50 μg/mL, respectively. Moreover, surfactin and bacillomycin L were able to restore or enhance swarming motility in the corresponding mutants at 10 μg/mL, respectively. With the aid of green fluorescent protein tagging, it was demonstrated that B. subtilis 916 formed a robust biofilm on the rice sheath blight lesion and colonized well on R. solani-infected rice sheath, while its corresponding mutants performed poorly. These observations also correlated with the rice cultivar pot experiments, in which B. subtilis 916 exhibited greater biocontrol than its mutants. Our results suggest that surfactin and bacillomycin L contribute differently but synergistically to the biocontrol of rice sheath blight in B. subtilis 916 through its antifungal activity, biofilm formation, and colonization.
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Affiliation(s)
- Chuping Luo
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China,
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93
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Nonribosomal peptide synthase gene clusters for lipopeptide biosynthesis in Bacillus subtilis 916 and their phenotypic functions. Appl Environ Microbiol 2014; 81:422-31. [PMID: 25362061 DOI: 10.1128/aem.02921-14] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Bacillus cyclic lipopeptides (LPs) have been well studied for their phytopathogen-antagonistic activities. Recently, research has shown that these LPs also contribute to the phenotypic features of Bacillus strains, such as hemolytic activity, swarming motility, biofilm formation, and colony morphology. Bacillus subtilis 916 not only coproduces the three families of well-known LPs, i.e., surfactins, bacillomycin Ls (iturin family), and fengycins, but also produces a new family of LP called locillomycins. The genome of B. subtilis 916 contains four nonribosomal peptide synthase (NRPS) gene clusters, srf, bmy, fen, and loc, which are responsible for the biosynthesis of surfactins, bacillomycin Ls, fengycins, and locillomycins, respectively. By studying B. subtilis 916 mutants lacking production of one, two, or three LPs, we attempted to unveil the connections between LPs and phenotypic features. We demonstrated that bacillomycin Ls and fengycins contribute mainly to antifungal activity. Although surfactins have weak antifungal activity in vitro, the strain mutated in srfAA had significantly decreased antifungal activity. This may be due to the impaired productions of fengycins and bacillomycin Ls. We also found that the disruption of any LP gene cluster other than fen resulted in a change in colony morphology. While surfactins and bacillomycin Ls play very important roles in hemolytic activity, swarming motility, and biofilm formation, the fengycins and locillomycins had little influence on these phenotypic features. In conclusion, B. subtilis 916 coproduces four families of LPs which contribute to the phenotypic features of B. subtilis 916 in an intricate way.
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94
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95
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Novel fluorinated lipopeptides from Bacillus sp. CS93 via precursor-directed biosynthesis. Amino Acids 2014; 46:2745-52. [DOI: 10.1007/s00726-014-1830-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Accepted: 08/21/2014] [Indexed: 10/24/2022]
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96
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Sambanthamoorthy K, Feng X, Patel R, Patel S, Paranavitana C. Antimicrobial and antibiofilm potential of biosurfactants isolated from lactobacilli against multi-drug-resistant pathogens. BMC Microbiol 2014; 14:197. [PMID: 25124936 PMCID: PMC4236506 DOI: 10.1186/1471-2180-14-197] [Citation(s) in RCA: 117] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 06/27/2014] [Indexed: 11/29/2022] Open
Abstract
Background Biosurfactants (BS) are amphiphilic compounds produced by microbes, either on the cell surface or secreted extracellularly. BS exhibit strong antimicrobial and anti-adhesive properties, making them good candidates for applications used to combat infections. In this study, our goal was to assess the in vitro antimicrobial, anti-adhesive and anti-biofilm abilities of BS produced by Lactobacillus jensenii and Lactobacillus rhamnosus against clinical Multidrug Resistant (MDR) strains of Acinetobacter baumannii, Escherichia coli, and Staphylococcus aureus (MRSA). Cell-bound BS from both L. jensenii and L. rhamnosus were extracted and isolated. The surface activities of crude BS samples were evaluated using an oil spreading assay. The antimicrobial, anti-adhesive and anti-biofilm activities of both BS against the above mentioned MDR pathogens were determined. Results Surface activities for both BS ranged from 6.25 to 25 mg/ml with clear zones observed between 7 and 11 cm. BS of both L. jensenii and L. rhamnosus showed antimicrobial activities against A. baumannii, E. coli and S. aureus at 25-50 mg/ml. Anti-adhesive and anti-biofilm activities were also observed for the aforementioned pathogens between 25 and 50 mg/ml. Finally, analysis by electron microscope indicated that the BS caused membrane damage for A. baumannii and pronounced cell wall damage in S. aureus. Conclusion Our results indicate that BS isolated from two Lactobacilli strains has antibacterial properties against MDR strains of A. baumannii, E. coli and MRSA. Both BS also displayed anti-adhesive and anti-biofilm abilities against A. baumannii, E. coli and S. aureus. Together, these capabilities may open up possibilities for BS as an alternative therapeutic approach for the prevention and/or treatment of hospital-acquired infections.
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97
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Wang Y, Zhu X, Bie X, Lu F, Zhang C, Yao S, Lu Z. Preparation of microcapsules containing antimicrobial lipopeptide from Bacillus amyloliquefaciens ES-2 by spray drying. Lebensm Wiss Technol 2014. [DOI: 10.1016/j.lwt.2013.11.041] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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98
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Aerobic endospore-forming bacteria isolated from Antarctic soils as producers of bioactive compounds of industrial interest. Polar Biol 2014. [DOI: 10.1007/s00300-014-1505-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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99
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Selvaraj C, Sivakamavalli J, Baskaralingam V, Singh SK. Virtual screening of LPXTG competitive SrtA inhibitors targeting signal transduction mechanism in Bacillus anthracis: a combined experimental and theoretical study. J Recept Signal Transduct Res 2014; 34:221-32. [PMID: 24490975 DOI: 10.3109/10799893.2013.876044] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Members of the sortase enzyme super family decorate the surfaces of Bacillus anthracis cell wall with proteins that play key roles in microbial pathogenesis and its biofilm formation. Bacillus anthracis Sortase-A (Ba-SrtA) is a potential target for new therapeutics as it is required for B. anthracis survival and replication within macrophages. An understanding of the binding site pocket and substrate recognition mechanism by SrtA enzymes may serve to be beneficial in the rational development of sortase inhibitors. Here, the LPXTG signal peptide-based competitive inhibitors are screened against the Ba-SrtA and compounds with reasonable inhibition, specificity, and mechanisms of inactivation of SrtA have been covered. The screened compounds are experimentally validated against the phylogenetically similar Gram-positive pathogen B. cereus. In situ microscopic visualizations suggest that these screened compounds showed the microbial and biofilm inhibitory activity against B. cereus. It facilitates the further development of these molecules into useful anti-infective agents to treat infections caused by B. anthracis and other Gram-positive pathogens. These results provide insight into basic design principles for generating new clinically relevant lead molecules. It also provides an alternative strategy where a screened ligand molecule can be used in combination to battle increasingly against the Gram-positive pathogens.
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Affiliation(s)
- Chandrabose Selvaraj
- Computer Aided Drug Design and Molecular Modeling Lab, Department of Bioinformatics, Alagappa University , Karaikudi, Tamil Nadu , India and
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100
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Dutta S, Morang P, Nishanth Kumar S, Dileep Kumar BS. Fusarial wilt control and growth promotion of pigeon pea through bioactive metabolites produced by two plant growth promoting rhizobacteria. World J Microbiol Biotechnol 2013; 30:1111-21. [PMID: 24154979 DOI: 10.1007/s11274-013-1532-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Accepted: 10/16/2013] [Indexed: 11/30/2022]
Abstract
The bioactive metabolites produced by two plant growth promoting rhizobacteria strains, a Pseudomonas aeruginosa strain RRLJ 04 and a Bacillus cereus strain BS 03, which showed growth promotion and disease control in pigeon pea against Fusarium udum, were isolated and screened for their efficacy to control fusarial wilt of pigeon pea under gnotobiotic and nursery condition. Bioactive metabolites viz., BM 1 and BM 2 from RRLJ 04 and BM 3 from BS 03 also showed in vitro antibiosis against F. udum. Seeds treated with 50 μl seed⁻¹ of BM 1, 30 μl seed⁻¹ of BM 2 and 70 μl seed⁻¹ of BM 3 and grown in pathogen infested soil showed suppression of wilt disease besides growth enhancement. Per cent disease control was 90 % with BM 2 application as compared to 87 and 83 %, respectively in BM 1 and BM 3 after 90 days of growth. BM 2 treated plants were more resistant to the pathogen as compared to the other fractions tested. Mycelial dry weight was found to be reduced on treatment with the bioactive metabolites. Formation of chlamydospore-like structures was observed in the pathogen mycelium treated with BM 3. The analytical studies confirmed that two of these metabolites are phenazine derivatives.
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Affiliation(s)
- S Dutta
- Biotechnology Division, North East Institute of Science and Technology (NIIST), Council of Scientific and Industrial Research (CSIR), Jorhat, 785006, Assam, India
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