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Kukreti A, Kotasthane AS, Tandon AL, Nekkanti A, Prasannakumar MK, Devanna P, Aravindaram K, Sreedevi K, Sushil SN, Manjunatha C. Hybrid de novo whole genome assembly of lipopeptide producing novel Bacillus thuringiensis strain NBAIR BtAr exhibiting antagonistic activity against Sclerotium rolfsii. Microb Pathog 2024; 195:106867. [PMID: 39168357 DOI: 10.1016/j.micpath.2024.106867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 08/08/2024] [Accepted: 08/16/2024] [Indexed: 08/23/2024]
Abstract
Bacillus thuringiensis Berliner is recognized as a predominant bioinsecticide but its antifungal potential has been relatively underexplored. A novel B. thuringiensis strain NBAIR BtAr was isolated and morphologically characterized using light and scanning electron microscopy, revealing presence of bipyramidal, cuboidal, and spherical parasporal crystals. The crude form of lipopeptides was extracted from NBAIR BtAr and assessed for its antagonistic activity in vitro, and demonstrated 100 % inhibition of Sclerotium rolfsii Sacc. at a minimum inhibitory concentration of 50 μL of the crude lipopeptide extract per mL of potato dextrose agar. To identify the antagonistic genes responsible, we performed whole genome sequencing of NBAIR BtAr, revealing the presence of circular chromosome of 5,379,913 bp and 175,362 bp plasmid with 36.06 % guanine-cytosine content and 5814 protein-coding sequences. Average nucleotide identity and whole genome phylogenetic analysis delineated the NBAIR BtAr strain as konkukian serovar. Gene ontology analysis revealed associations of 1474, 1323, and 1833 genes with biological processes, molecular function, and cellular components, respectively. Antibiotics & secondary metabolite analysis shell analysis of the whole genome yielded secondary metabolites biosynthetic gene clusters with 100 %, 85 %, 40 %, and 35 % similarity for petrobactin, bacillibactin, fengycin, and paenilamicin, respectively. Also, novel biosynthetic gene clusters, along with antimicrobial genes, including zwittermicin A, chitinase, and phenazines, were identified. Moreover, the presence of eight bacteriophage sequences, 18 genomic islands, insertion sequences, and one CRISPR region indicated prior occurrences of genetic exchange and thus improved competitive fitness of the strain. Overall, the whole genome sequence of NBAIR BtAr is presented, with its taxonomic classification and critical genetic attributes that contribute to its strong antagonistic activity against S. rolfsii.
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Affiliation(s)
- Aditya Kukreti
- Department of Plant Pathology, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh, 492 012, India; ICAR-National Bureau of Agricultural Insect Resources, Bengaluru, 560 024, India
| | - Anil Sudhakar Kotasthane
- Department of Plant Pathology, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh, 492 012, India
| | - Ashwarya Lalit Tandon
- Department of Plant Pathology, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh, 492 012, India
| | - Aarthi Nekkanti
- Department of Plant Pathology, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh, 492 012, India; ICAR-National Bureau of Agricultural Insect Resources, Bengaluru, 560 024, India
| | | | - Pramesh Devanna
- Agricultural Research Station, Gangavathi, University of Agricultural Sciences, Raichur, 583 227, India
| | - Kandan Aravindaram
- ICAR-National Bureau of Agricultural Insect Resources, Bengaluru, 560 024, India
| | - Kolla Sreedevi
- ICAR-National Bureau of Agricultural Insect Resources, Bengaluru, 560 024, India
| | - Satya Nand Sushil
- Department of Plant Pathology, Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh, 492 012, India
| | - Channappa Manjunatha
- ICAR-National Bureau of Agricultural Insect Resources, Bengaluru, 560 024, India.
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Thundiparambil Venu A, Vijayan J, Ammanamveetil MHA, Kottekkattu Padinchati K. An Insightful Overview of Microbial Biosurfactant: A Promising Next-Generation Biomolecule for Sustainable Future. J Basic Microbiol 2024; 64:e2300757. [PMID: 38934506 DOI: 10.1002/jobm.202300757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/27/2024] [Accepted: 04/21/2024] [Indexed: 06/28/2024]
Abstract
Microbial biosurfactant is an emerging vital biomolecule of the 21st century. They are amphiphilic compounds produced by microorganisms and possess unique properties to reduce surface tension activity. The use of microbial surfactants spans most of the industrial fields due to their biodegradability, less toxicity, being environmentally safe, and being synthesized from renewable sources. These would be highly efficient eco-friendly alternatives to petroleum-derived surfactants that would open up new approaches to research on the production of biosurfactants. In the upcoming era, biobased surfactants will become a dominating multifunctional compound in the world market. Research on biosurfactants ranges from the search for novel microorganisms that can produce new molecules, structural and physiochemical characterization of biosurfactants, and fermentation process for enhanced large-scale productivity and green applications. The main goal of this review is to provide an overview of the recent state of knowledge and trends about microbially derived surfactants, various aspects of biosurfactant production, definition, properties, characteristics, diverse advances, and applications. This would lead a long way in the production of biosurfactants as globally successful biomolecules of the current century.
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Affiliation(s)
- Athira Thundiparambil Venu
- Department of Marine Biology, Microbiology, and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Kochi, Kerala, India
| | - Jasna Vijayan
- Department of Marine Biology, Microbiology, and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Kochi, Kerala, India
| | - Mohamed Hatha Abdulla Ammanamveetil
- Department of Marine Biology, Microbiology, and Biochemistry, School of Marine Sciences, Cochin University of Science and Technology, Kochi, Kerala, India
- CUSAT-NCPOR Centre for Polar Science, Kochi, Kerala, India
| | - Krishnan Kottekkattu Padinchati
- Arctic Ecology and Biogeochemistry Division, National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Vasco-da-Gama, Goa, India
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Dini S, Oz F, Bekhit AEDA, Carne A, Agyei D. Production, characterization, and potential applications of lipopeptides in food systems: A comprehensive review. Compr Rev Food Sci Food Saf 2024; 23:e13394. [PMID: 38925624 DOI: 10.1111/1541-4337.13394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 05/20/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024]
Abstract
Lipopeptides are a class of lipid-peptide-conjugated compounds with differing structural features. This structural diversity is responsible for their diverse range of biological properties, including antimicrobial, antioxidant, and anti-inflammatory activities. Lipopeptides have been attracting the attention of food scientists due to their potential as food additives and preservatives. This review provides a comprehensive overview of lipopeptides, their production, structural characteristics, and functional properties. First, the classes, chemical features, structure-activity relationships, and sources of lipopeptides are summarized. Then, the gene expression and biosynthesis of lipopeptides in microbial cell factories and strategies to optimize lipopeptide production are discussed. In addition, the main methods of purification and characterization of lipopeptides have been described. Finally, some biological activities of the lipopeptides, especially those relevant to food systems along with their mechanism of action, are critically examined.
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Affiliation(s)
- Salome Dini
- Department of Food Science, University of Otago, Dunedin, New Zealand
| | - Fatih Oz
- Department of Food Engineering, Agriculture Faculty, Atatürk University, Erzurum, Turkey
| | | | - Alan Carne
- Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Dominic Agyei
- Department of Food Science, University of Otago, Dunedin, New Zealand
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Morandini L, Caulier S, Bragard C, Mahillon J. Bacillus cereus sensu lato antimicrobial arsenal: An overview. Microbiol Res 2024; 283:127697. [PMID: 38522411 DOI: 10.1016/j.micres.2024.127697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 02/25/2024] [Accepted: 03/16/2024] [Indexed: 03/26/2024]
Abstract
The Bacillus cereus group contains genetically closed bacteria displaying a variety of phenotypic features and lifestyles. The group is mainly known through the properties of three major species: the entomopathogen Bacillus thuringiensis, the animal and human pathogen Bacillus anthracis and the foodborne opportunistic strains of B. cereus sensu stricto. Yet, the actual diversity of the group is far broader and includes multiple lifestyles. Another less-appreciated aspect of B. cereus members lies within their antimicrobial potential which deserves consideration in the context of growing emergence of resistance to antibiotics and pesticides, and makes it crucial to find new sources of antimicrobial molecules. This review presents the state of knowledge on the known antimicrobial compounds of the B. cereus group members, which are grouped according to their chemical features and biosynthetic pathways. The objective is to provide a comprehensive review of the antimicrobial range exhibited by this group of bacteria, underscoring the interest in its potent biocontrol arsenal and encouraging further research in this regard.
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Affiliation(s)
| | - Simon Caulier
- Laboratory of Plant Health, Earth and Life Institute, UCLouvain, Louvain-la-Neuve B-1348, Belgium
| | - Claude Bragard
- Laboratory of Plant Health, Earth and Life Institute, UCLouvain, Louvain-la-Neuve B-1348, Belgium
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Hsu FF. Multiple stage linear ion-trap mass spectrometry toward characterization of native bacterial lipids-a critical review. Biochimie 2023; 215:88-99. [PMID: 37567358 DOI: 10.1016/j.biochi.2023.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 05/25/2023] [Accepted: 08/08/2023] [Indexed: 08/13/2023]
Abstract
Great strides in the field of lipidomics driven by advances in mass spectrometry techniques in the last decade have moved lipid analysis to a new level and significantly improved our understanding of lipid biochemistry. Multiple stage mass spectrometry (MSn) with high resolution mass spectrometry (HRMS) that allows sequential isolation, fragmentation, and recognition of ion structures, is a powerful tool for characterization of complex and diversified lipid in bacterial cells, in which lipids are often critical for cell aggregation and dissociation, and play important biological roles. In addition to common phospholipids, many bacteria contain unique lipids that are specific to the bacterium genus and even to the bacterium species. In this review, application of linear ion-trap (LIT) MSn in the structural characterization of native bacterial lipids including (1) novel lipids consisting of many isomeric structures, (2) lipids with unique functional groups and modification, (3) complex sphingolipids, peptidolipids, and lipocyclopeptides from various bacteria are presented. LIT MSn approach affords realization of the mechanisms underlying the fragmentation processes, resulting in identification of complex lipid structures that would be very difficult to define using other analytical methods.
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Affiliation(s)
- Fong-Fu Hsu
- Mass Spectrometry Resource, Division of Endocrinology, Metabolism, and Lipid Research, Department of Medicine, Box 8127, Washington University School of Medicine, St. Louis, MO, 63110, USA.
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Pilz M, Cavelius P, Qoura F, Awad D, Brück T. Lipopeptides development in cosmetics and pharmaceutical applications: A comprehensive review. Biotechnol Adv 2023; 67:108210. [PMID: 37460047 DOI: 10.1016/j.biotechadv.2023.108210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 07/05/2023] [Accepted: 07/09/2023] [Indexed: 07/25/2023]
Abstract
Lipopeptides are surface active, natural products of bacteria, fungi and green-blue algae origin, having diverse structures and functionalities. In analogy, a number of chemical synthesis techniques generated new designer lipopeptides with desirable features and functions. Lipopetides are self-assembly guided, supramolecular compounds which have the capacity of high-density presentation of the functional epitopes at the surface of the nanostructures. This feature contributes to their successful application in several industry sectors, including food, feed, personal care, and pharmaceutics. In this comprehensive review, the novel class of ribosomally synthesized lipopeptides is introduced alongside the more commonly occuring non-ribosomal lipopeptides. We highlight key representatives of the most researched as well as recently described lipopeptide families, with emphasis on structural features, self-assembly and associated functions. The common biological, chemical and hybrid production routes of lipopeptides, including prominent analogues and derivatives are also discussed. Furthermore, genetic engineering strategies aimed at increasing lipopeptide yields, diversity and biological activity are summarized and exemplified. With respect to application, this work mainly details the potential of lipopeptides in personal care and cosmetics industry as cleansing agents, moisturizer, anti-aging/anti-wrinkling, skin whitening and preservative agents as well as the pharmaceutical industry as anitimicrobial agents, vaccines, immunotherapy, and cancer drugs. Given that this review addresses human applications, we conclude on the topic of safety of lipopeptide formulations and their sustainable production.
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Affiliation(s)
- Melania Pilz
- Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany
| | - Philipp Cavelius
- Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany
| | - Farah Qoura
- Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany
| | - Dania Awad
- Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany.
| | - Thomas Brück
- Werner Siemens-Chair of Synthetic Biotechnology, Department of Chemistry, Technical University of Munich (TUM), 85748 Garching, Germany.
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Shleeva MO, Kondratieva DA, Kaprelyants AS. Bacillus licheniformis: A Producer of Antimicrobial Substances, including Antimycobacterials, Which Are Feasible for Medical Applications. Pharmaceutics 2023; 15:1893. [PMID: 37514078 PMCID: PMC10383908 DOI: 10.3390/pharmaceutics15071893] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/02/2023] [Accepted: 07/03/2023] [Indexed: 07/30/2023] Open
Abstract
Bacillus licheniformis produces several classes of antimicrobial substances, including bacteriocins, which are peptides or proteins with different structural composition and molecular mass: ribosomally synthesized by bacteria (1.4-20 kDa), non-ribosomally synthesized peptides and cyclic lipopeptides (0.8-42 kDa) and exopolysaccharides (>1000 kDa). Different bacteriocins act against Gram-positive or Gram-negative bacteria, fungal pathogens and amoeba cells. The main mechanisms of bacteriocin lytic activity include interaction of peptides with membranes of target cells resulting in structural alterations, pore-forming, and inhibition of cell wall biosynthesis. DNase and RNase activity for some bacteriocines are also postulated. Non-ribosomal peptides are synthesized by special non-ribosomal multimodular peptide synthetases and contain unnatural amino acids or fatty acids. Their harmful effect is due to their ability to form pores in biological membranes, destabilize lipid packaging, and disrupt the peptidoglycan layer. Lipopeptides, as biosurfactants, are able to destroy bacterial biofilms. Secreted polysaccharides are high molecular weight compounds, composed of repeated units of sugar moieties attached to a carrier lipid. Their antagonistic action was revealed in relation to bacteria, viruses, and fungi. Exopolysaccharides also inhibit the formation of biofilms by pathogenic bacteria and prevent their colonization on various surfaces. However, mechanism of the harmful effect for many secreted antibacterial substances remains unknown. The antimicrobial activity for most substances has been studied in vitro only, but some substances have been characterized in vivo and they have found practical applications in medicine and veterinary. The cyclic lipopeptides that have surfactant properties are used in some industries. In this review, special attention is paid to the antimycobacterials produced by B. licheniformis as a possible approach to combat multidrug-resistant and latent tuberculosis. In particular, licheniformins and bacitracins have shown strong antimycobacterial activity. However, the medical application of some antibacterials with promising in vitro antimycobacterial activity has been limited by their toxicity to animals and humans. As such, similar to the enhancement in the antimycobacterial activity of natural bacteriocins achieved using genetic engineering, the reduction in toxicity using the same approach appears feasible. The unique capability of B. licheniformis to synthesize and produce a range of different antibacterial compounds means that this organism can act as a natural universal vehicle for antibiotic substances in the form of probiotic cultures and strains to combat various types of pathogens, including mycobacteria.
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Affiliation(s)
- Margarita O Shleeva
- A.N. Bach Institute of Biochemistry, Federal Research Centre 'Fundamentals of Biotechnology', Russian Academy of Sciences, 119071 Moscow, Russia
| | - Daria A Kondratieva
- A.N. Bach Institute of Biochemistry, Federal Research Centre 'Fundamentals of Biotechnology', Russian Academy of Sciences, 119071 Moscow, Russia
| | - Arseny S Kaprelyants
- A.N. Bach Institute of Biochemistry, Federal Research Centre 'Fundamentals of Biotechnology', Russian Academy of Sciences, 119071 Moscow, Russia
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Yu YY, Zhang YY, Wang T, Huang TX, Tang SY, Jin Y, Mi DD, Zheng Y, Niu DD, Guo JH, Jiang CH. Kurstakin Triggers Multicellular Behaviors in Bacillus cereus AR156 and Enhances Disease Control Efficacy Against Rice Sheath Blight. PLANT DISEASE 2023:PDIS01220078RE. [PMID: 36205689 DOI: 10.1094/pdis-01-22-0078-re] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Kurstakin is the latest discovered family of lipopeptides secreted by Bacillus spp. In this study, the effects of kurstakin on the direct antagonism, multicellularity, and disease control ability of Bacillus cereus AR156 were explored. An insertion mutation in the nonribosomal peptide synthase responsible for kurstakin synthesis led to a significant reduction of antagonistic ability of AR156 against the plant-pathogenic fungi Rhizoctonia solani, Ascochyta citrullina, Fusarium graminearum, and F. oxysporum f. sp. cubense. The loss of kurstakin synthesis ability significantly impaired the swarming motility of AR156 and reduced biofilm formation and amyloid protein accumulation. Although the loss of kurstakin synthesis ability did not reduce the competitiveness of AR156 under laboratory conditions, the colonization and environmental adaptability of the mutant was significantly weaker than that of wild-type AR156 on rice leaves. The cell surface of wild-type AR156 colonizing the leaf surface was covered by a thick biofilm matrix under a scanning electron microscope, but not the mutant. The colonization ability on rice roots and control efficacy against rice sheath blight disease of the mutant were also impaired. Thus, kurstakin participates in the control of plant diseases by B. cereus AR156 through directly inhibiting the growth of pathogenic fungi and improving long-term environmental adaptability and colonization of AR156 on the host surface by triggering multicellularity. This study explored the multiple functions of kurstakin in plant disease control by B. cereus.
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Affiliation(s)
- Yi-Yang Yu
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
| | - Yi-Yuan Zhang
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
| | - Ting Wang
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
| | - Tao-Xiang Huang
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
| | - Shu-Ya Tang
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
| | - Yu Jin
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
| | - Dan-Dan Mi
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
| | - Ying Zheng
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
| | - Dong-Dong Niu
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
| | - Jian-Hua Guo
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
| | - Chun-Hao Jiang
- Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
- Key Laboratory of Integrated Management of Crop Disease and Pests, Ministry of Education; Key Laboratory of Integrated Pest Management on Crops in East China, Ministry of Agriculture; and Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing 210095, China
- Engineering Center of Bioresource Pesticide in Jiangsu Province, Nanjing 210095, China
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Sharma RK, Dey G, Banerjee P, Maity JP, Lu CM, Siddique JA, Wang SC, Chatterjee N, Das K, Chen CY. New aspects of lipopeptide-incorporated nanoparticle synthesis and recent advancements in biomedical and environmental sciences: a review. J Mater Chem B 2022; 11:10-32. [PMID: 36484467 DOI: 10.1039/d2tb01564a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The toxicity of metal nanoparticles has introduced promising research in the current scenario since an enormous number of people have been potentially facing this problem in the world. The extensive attention on green nanoparticle synthesis has been focussed on as a vital step in bio-nanotechnology to improve biocompatibility, biodegradability, eco-friendliness, and huge potential utilization in various environmental and clinical assessments. Inherent influence on the study of green nanoparticles plays a key role to synthesize the controlled and surface-influenced molecule by altering the physical, chemical, and biological assets with the provision of various precursors, templating/co-templating agents, and supporting solvents. However, in this article, the dominant characteristics of several kinds of lipopeptide biosurfactants are discussed to execute a critical study of factors affecting synthesis procedure and applications. The recent approaches of metal, metal oxide, and composite nanomaterial synthesis have been deliberated as well as the elucidation of the reaction mechanism. Furthermore, this approach shows remarkable boosts in the production of nanoparticles with the very less employed harsh and hazardous processes as compared to chemical or physical method-based nanoparticle synthesis. This study also shows that the advances in strain selection for green nanoparticle production could be a worthwhile and strong economical approach in futuristic medical science research.
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Affiliation(s)
- Raju Kumar Sharma
- Department of Chemistry and Biochemistry, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan.,Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan.
| | - Gobinda Dey
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan. .,Department of Biomedical Sciences, Graduate Institute of Molecular Biology, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Pritam Banerjee
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan. .,Department of Biomedical Sciences, Graduate Institute of Molecular Biology, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Jyoti Prakash Maity
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan. .,Department of Chemistry, School of Applied Sciences, KIIT Deemed to be University, Bhubaneswar, Odisha 751024, India
| | - Chung-Ming Lu
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan. .,Department of Chemical Engineering, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | | | - Shau-Chun Wang
- Department of Chemistry and Biochemistry, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Nalonda Chatterjee
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan.
| | - Koyeli Das
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan. .,Department of Biomedical Sciences, Graduate Institute of Molecular Biology, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Chien-Yen Chen
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan.
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10
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Optimization of Medium Components for Fed-Batch Fermentation Using Central Composite Design to Enhance Lichenysin Production by Bacillus licheniformis Ali5. FERMENTATION-BASEL 2022. [DOI: 10.3390/fermentation8120712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Lichenysin, an amphiphilic biosurfactant with structural and physicochemical properties similar to surfactin, is produced by Bacillus licheniformis. Its low toxicity, good environmental compatibility, solubilization, foaming, emulsification and detergent activities have led to a wide range of applications in agricultural biocontrol, enhanced oil recovery, foaming agents for cosmetics and detergents for household cleaning products. However, despite the extraordinary surface-active properties and potential applications of lichenysin, the number of wild bacteria found so far is relatively low. Low titers and high costs are the main limiting factors for widespread industrial applications. In this study, a factorial design was used to optimize the composition of the medium for the production of lichenysin by Bacillus licheniformis Ali5. Firstly, the solutions of carbon, nitrogen, amino acids, inorganic salts and trace elements in the medium were evaluated in flasks using a single-factor optimization method. Meanwhile, the operating conditions were optimized in the same way. Afterwards, a partial factorial design was used to investigate the effect of six variables (five medium compositions and inoculum size) on lichenysin production. Based on the results obtained, the concentrations of sucrose and ammonium nitrate and the inoculum size were considered to be important for lichenysin production. Subsequently, a full factorial design was used to optimize these three variables. The optimized medium composition were sucrose 19.8 g/L, NH4NO3 3.9 g/L, K2HPO4·3H2O 4.0 g/L, MgSO4·7H2O 0.6 g/L, FeSO4·7H2O 0.1 g/L, CaCl2 0.01 g/L, NaCl 3.0, trace elements 1.2 mL/L. Finally, the titer of lichenysin after fed-batch fermentation reached 1425.85 mg/L, which was approximately 5.5 times higher than the titer of lichenysin from the original medium. Consequently, the method was further demonstrated to be suitable for lichenysin production.
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de Paula Vieira de Castro R, Alves Lima Rocha V, Cezar Fernandes da Silva ME, Volcan Almeida R, Guimarães Freire DM. New insight into the role of oxygen supply for surfactin production in bench-scale bioreactors using induced surface aeration. Bioprocess Biosyst Eng 2022; 45:2031-2041. [DOI: 10.1007/s00449-022-02807-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 10/24/2022] [Indexed: 11/09/2022]
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Helfrich M, Entian KD, Stein T. Antibiotic profiling of wild-type bacilli led to the discovery of new lanthipeptide subtilin-producing Bacillus spizizenii strains whose 16S rDNA sequences differ from the B. spizizenii typing strain. INTERNATIONAL MICROBIOLOGY : THE OFFICIAL JOURNAL OF THE SPANISH SOCIETY FOR MICROBIOLOGY 2022; 25:839-850. [PMID: 35902452 PMCID: PMC9526687 DOI: 10.1007/s10123-022-00266-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 06/12/2022] [Accepted: 07/06/2022] [Indexed: 11/25/2022]
Abstract
Two dozen field-collected Bacillus and a dozen Bacillus spizizenii wild-type strains from strain collections were selected on the basis of their antagonistic properties against the Gram-positive strain Micrococcus luteus. Based on their genetic and antibiotic profiles, they were characterized (subtilin encoding spaS gene sequences, mass spectrometric, and quantitative-reversed phase liquid chromatographic analyses, as well as the presence of the lanthionine cyclase protein SpaC by western blotting), seven novel producers of the lanthipeptide subtilin. Phylogenetic analyses of the subtilin-producing wild-type strains based on their 16S rRNA sequences showed that all seven strains could be classified as B. spizizenii: The field-collected strains HS and N5, as well as strains DSM 618, 1087, 6395, 6405, and 8439 from the German Collection of Microorganisms and Cell Cultures. To the best of our knowledge, all B. spizizenii strains described so far are characterized by the fact that they can produce a lanthipeptide of the subtilin family. Both the lanthipeptide structures and the organization and sequences of the 16S rRNA-encoding genes suggest a subdivision of B. spizizenii into subspecies: The subtilin-producing B. spizizenii strains are distinctly different from the entianin-producing B. spizizenii typing strain TU-B-10 T (DSM 15029 T).
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Affiliation(s)
- Markus Helfrich
- Life Sciences, Johann Wolfgang-Goethe-University, Max v. Laue Str. 9, 60439, Frankfurt/Main, Germany
- Jennewein Biotechnologie GmbH, Maarweg 32, 53619, Rheinbreitbach, Germany
| | - Karl-Dieter Entian
- Life Sciences, Johann Wolfgang-Goethe-University, Max v. Laue Str. 9, 60439, Frankfurt/Main, Germany
| | - Torsten Stein
- Life Sciences, Johann Wolfgang-Goethe-University, Max v. Laue Str. 9, 60439, Frankfurt/Main, Germany.
- Chemistry & Molecular Biotechnology, Aalen University, Beethovenstraße 1, 73430, Aalen, Germany.
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Fanaei M, Emtiazi G. Entrapment and Delivery of Doxorubicin: Employing a Permeable Lipopeptide-Based Hydrogel as an Efficient Cationic Binder. Appl Biochem Biotechnol 2022; 195:3733-3746. [PMID: 35895252 DOI: 10.1007/s12010-022-04068-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2022] [Indexed: 11/30/2022]
Abstract
Lipopeptides have been the subject of great interest as vehicles for drug delivery, but the potential usage of their biological composites has not been extensively studied. Here, the extracellular lipopeptide composite (ELC) of a lipopeptide-producing bacterium was extracted and examined to deliver doxorubicin (DOX) as a cationic drug. MALDI-TOF mass spectrometry analysis on the lipopeptide moiety of ELC revealed that this hydrogel consists of 13 lipopeptide isomers. Furthermore, scanning electron microscope (SEM) studies showed that the permeability of ELC in acidic pH was significantly more than basic condition. In this study, 81% of DOX was successfully entrapped in ELC and the release of the drug was measured in acidic, neutral, and basic conditions. The results indicated that the release profile of the drug in acidic pH was about 10 and 16 fold more than neutral and basic conditions, respectively. Besides, the toxicity of DOX-conjugated ELC against PBMC cells was more than free DOX, suggesting the adequate drug release from ELC. Since the surrounding environment of tumor cells is often acidic, this pH-sensitive carrier could be a candidate for cancer therapy to improve the exposure of tumor cells to the drugs.
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Affiliation(s)
- Maryam Fanaei
- Faculty of Biological Science and Technology, Department of Cellular and Molecular Biology and Microbiology, University of Isfahan, Isfahan, Iran
| | - Giti Emtiazi
- Faculty of Biological Science and Technology, Department of Cellular and Molecular Biology and Microbiology, University of Isfahan, Isfahan, Iran. .,Faculty of Biological Science and Technology, Department of Biotechnology, Shahid Ashrafi Esfahani University, Isfahan, Iran.
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Guo J, Sun L, Zhang F, Sun B, Xu B, Zhou Y. Review: Progress in synthesis, properties and application of amino acid surfactants. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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15
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Lipopeptide Biosurfactants from Bacillus spp.: Types, Production, Biological Activities, and Applications in Food. J FOOD QUALITY 2022. [DOI: 10.1155/2022/3930112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Biosurfactants are a functionally and structurally heterogeneous group of biomolecules produced by multiple filamentous fungi, yeast, and bacteria, and characterized by their distinct surface and emulsifying ability. The genus Bacillus is well studied for biosurfactant production as it produces various types of lipopeptides, for example, lichenysins, bacillomycin, fengycins, and surfactins. Bacillus lipopeptides possess a broad spectrum of biological activities such as antimicrobial, antitumor, immunosuppressant, and antidiabetic, in addition to their use in skincare. Moreover, Bacillus lipopeptides are also involved in various food products to increase the antimicrobial, surfactant, and emulsification impact. From the previously published articles, it can be concluded that biosurfactants have strong potential to be used in food, healthcare, and agriculture. In this review article, we discuss the versatile functions of lipopeptide Bacillus species with particular emphasis on the biological activities and their applications in food.
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Xu H, Dai C, Tang Y, Xu X, Umego EC, He R, Ma H. The selective breeding and mutagenesis mechanism of high-yielding surfactin Bacillus subtilis strains with atmospheric and room temperature plasma. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:1851-1861. [PMID: 34464473 DOI: 10.1002/jsfa.11521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/05/2021] [Accepted: 08/31/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Surfactin, a good biological surfactant, is derived from the metabolites of microorganisms. However, the ability of natural strains to produce surfactin is low, and so the presented study aimed to use a novel mutagenesis technology to increase their yields. RESULTS Atmospheric and room temperature plasma (ARTP) was used to conduct mutation breeding of Bacillus subtilis CICC 10721, and a mutant strain M45 with a higher surfactin yield of 34.2% and a stable subculture was screened out. From the fermentation kinetics study, it was found that the maximum cell dry weight, maximum growth rate and surfactin synthesis parameters of the mutant strain M45 were all greater than that of the original strain. Scanning electron microscope and laser scanning confocal microscope observations showed that the spore morphology changed after ARTP treating, and the intracellular Ca2+ concentration of the mutant increased. Genome resequencing analysis showed that 66 single nucleotide poymorphism non-synonymous mutation sites occurred in M45, and the identification results of the fermentation broth extract from M45 showed that it is composed of C12 -C16 surfactin. CONCLUSION ARTP mutagenesis was found to change the morphology of bacteria, membrane permeability and genes related to the synthesis and secretion of surfactin. The present study provides a basis for industrial production of surfactin and an understanding of the mutagenesis mechanism. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Haining Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Chunhua Dai
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- Institute of Food Physical Processing, Jiangsu University, Zhenjiang, China
| | - Yingxiu Tang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Xueting Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Ekene Christopher Umego
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- Department of Food Science and Technology, University of Nigeria, Nsukka, Nigeria
| | - Ronghai He
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- Institute of Food Physical Processing, Jiangsu University, Zhenjiang, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
- Institute of Food Physical Processing, Jiangsu University, Zhenjiang, China
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Screening of Bacillus velezensis E2 and the Inhibitory Effect of Its Antifungal Substances on Aspergillus flavus. Foods 2022; 11:foods11020140. [PMID: 35053872 PMCID: PMC8774516 DOI: 10.3390/foods11020140] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/15/2021] [Accepted: 12/31/2021] [Indexed: 11/26/2022] Open
Abstract
Aspergilus flavus is the main pathogenic fungus that causes food mold. Effective control of A. flavus contamination is essential to ensure food safety. The lipopeptides (LPs) produced by Bacillus strains have been shown to have an obvious antifungal effect on molds. In this study, an antagonist strain of Bacillus velezensis with obvious antifungal activity against A. flavus was isolated from the surface of healthy rice. Using HPLC-MS analysis, the main components of LPs produced by strain E2 were identified as fengycin and iturins. Further investigations showed that LPs could inhibit the spore germination, and even cause abnormal expansion of hyphae and cell rupture. Transcriptomic analyses showed that some genes, involved in ribosome biogenesis in eukaryotes (NOG1, KRE33) and aflatoxin biosynthesis (aflK, aflR, veA, omtA) pathways in A. flavus were significantly down-regulated by LPs. In conclusion, this study provides novel insights into the cellular and molecular antifungal mechanisms of LPs against grain A. flavus contamination.
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Evaluation of Calcium Alginate-Based Biopolymers as Potential Component of Membranes for Recovering Biosurfactants from Corn Steep Water. WATER 2021. [DOI: 10.3390/w13172396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Corn steep water (CSW) is a complex agro-food stream that is used as a source of cost-competitive biosurfactants, since they are produced spontaneously in the steeping process of corn, avoiding production costs. Nevertheless, the extraction of biosurfactants from CSW using sustainable processes is still a challenge. Consequently, the use of calcium alginate membranes could present a novel and sustainable technology for recovering biosurfactants from aqueous streams. Therefore, the aim of this work is to evaluate calcium alginate-based biopolymers, without and with the presence of grape marc as an additive, as a key component of membranes for the recovery of biosurfactants in corn steep water. Biosurfactants are present in CSW, together with other inorganic solutes and biomolecules, such as organic acids, sugars, cations, anions as well as metals. Hence, the competition of these mentioned compounds for the active sites of the calcium alginate-based biopolymers was high. However, they showed a good adsorption capacity for biosurfactants, recovering around 55 ± 2% and 47 ± 1%, of biosurfactants from CSW using both calcium alginate-based biopolymers, with and without biodegraded grape marc. Regarding adsorption capacity, it was 54.8 ± 0.6 mg biosurfactant/g bioadsorbent for the biopolymer containing grape marc, and 46.8 ± 0.4 mg biosurfactant/g bioadsorbent for the calcium alginate-based biopolymer alone. Based on these results, it could be postulated that the formulation of green membranes, based on calcium alginate-based polymers, could be an interesting alternative for the recovery of biosurfactants from aqueous streams including CSW.
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Allioui N, Driss F, Dhouib H, Jlail L, Tounsi S, Frikha-Gargouri O. Two Novel Bacillus Strains ( subtilis and simplex Species) with Promising Potential for the Biocontrol of Zymoseptoria tritici, the Causal Agent of Septoria Tritici Blotch of Wheat. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6611657. [PMID: 34195272 PMCID: PMC8183297 DOI: 10.1155/2021/6611657] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 04/22/2021] [Accepted: 05/18/2021] [Indexed: 11/18/2022]
Abstract
Two novel Algerian field-collected isolates were selected for their antifungal activity against Zymoseptoria tritici (teleomorph Mycosphaerella graminicola). The novel strains, termed Alg.24B1 and Alg.24B2, were identified as Bacillus subtilis and Bacillus simplex since their respective nucleotide sequences of the 16S rRNA gene were 100% and 99.93% identical to those of B. subtilis and B. simplex, respectively. The antifungal activities of Alg.24B1 and Alg.24B2 were evaluated by the well diffusion method and compared to those of other Bacillus species. The maximum activity was obtained after two days of confrontation of the bacterial strain supernatants with the fungus for Alg.24B1 and three days for Alg.24B2. Furthermore, the metabolites responsible for the antifungal activity of both strains were detected by the investigation of either gene presence (PCR) or molecule production (activity detection of lytic enzymes and HPLC detection of lipopeptides). Overall, this study showed that in addition to their ability to produce lytic enzymes (protease and β-glucanase), both strains coproduce three types of lipopeptides viz. surfactin, iturin, and fengycin. Thus, the biofungicide activity of both strains may be a result of a combination of different mechanisms. Therefore, they had a great potential to be used as biocontrol agents to effectively manage septoria tritici blotch of wheat (STB).
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Affiliation(s)
- Nora Allioui
- Department of Ecology and Environmental Engineering, Faculty of Nature and Life Sciences and Earth and Universe Sciences, University of May 8th, 1945 Guelma, Algeria
| | - Fatma Driss
- Laboratory of Biopesticides, Centre of Biotechnology of Sax, University of Sfax, P.O. Box. “1177”, 3018 Sfax, Tunisia
| | - Hanen Dhouib
- Laboratory of Biopesticides, Centre of Biotechnology of Sax, University of Sfax, P.O. Box. “1177”, 3018 Sfax, Tunisia
| | - Lobna Jlail
- Analytical Services Provider Unit, Centre of Biotechnology of Sfax, University of Sfax, P.O. Box. “1177”, 3018 Sfax, Tunisia
| | - Slim Tounsi
- Laboratory of Biopesticides, Centre of Biotechnology of Sax, University of Sfax, P.O. Box. “1177”, 3018 Sfax, Tunisia
| | - Olfa Frikha-Gargouri
- Laboratory of Biopesticides, Centre of Biotechnology of Sax, University of Sfax, P.O. Box. “1177”, 3018 Sfax, Tunisia
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Detection of simultaneous production of kurstakin, fengycin and surfactin lipopeptides in Bacillus mojavensis using a novel gel-based method and MALDI-TOF spectrometry. World J Microbiol Biotechnol 2021; 37:97. [PMID: 33969441 DOI: 10.1007/s11274-021-03064-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 04/23/2021] [Indexed: 10/21/2022]
Abstract
Bacterial lipopeptides have become a research focus of many studies owing to their industrial and pharmaceutical importance. Although such studies focused on researching purification procedures and qualitative analysis, much remains to be explored and developed to improve the current methods. To enable thorough studies of lipopeptides, this paper describes a new method for purification and characterization of in-gel anionic lipopeptides. Specifically, lipopeptides attributed to the anti-staphylococcal activity of Bacillus mojavensis HF were separated using SDS-PAGE (sodium dodecyl sulphate-polyacrylamide gel electrophoresis) and subsequently characterized using mass spectrometry. Lipopeptide band obtained by gel electrophoresis was first visualized using three different staining methods. Next, the lipopeptide isomers were efficiently recovered from the gel band and structural characterization of the extracted lipopeptides was carried out by matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS). MS analysis revealed that Bacillus mojavensis HF produced three types of lipopeptides including surfactin, fengycin, and kurstakin. 14 clusters of ion peaks were identified as fengycin A with fatty acid of C15-C17, fengycin B (C16, C17), surfactin (C13-C16), and kurstakin (C9-C12). Moreover, tandem mass spectrometric analysis (MS/MS) revealed the sequences of fengycin A and surfactin. In this study, we identified a high variety and number of surfactin and fengycin isomers, which previous reports lacked. To the best of our knowledge, we are the first to report the presence of kurstakin in Bacillus mojavensis species. Finally, we demonstrated that our gel-based study of lipopeptides allowed for a precise and reproducible investigation of these molecules.
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21
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Diallo MM, Vural C, Şahar U, Ozdemir G. Kurstakin molecules facilitate diesel oil assimilation by Acinetobacter haemolyticus strain 2SA through overexpression of alkane hydroxylase genes. ENVIRONMENTAL TECHNOLOGY 2021; 42:2031-2045. [PMID: 31752596 DOI: 10.1080/09593330.2019.1689301] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 10/30/2019] [Indexed: 06/10/2023]
Abstract
Biodegradation is a cost-effective process commonly used to eliminate many xenobiotic hydrocarbons such as diesel oils. However, their hydrophobic character reduces the biodegradation efficiency. In order to overcome this hurdle, kurstakins isolated from Bacillus thuringiensis strain 7SA were used as emulsifying agents. The influence of kurstakin molecules on diesel oil degradation by Acinetobacter haemolyticus strain 2SA was evaluated in the presence and absence of the aforementioned lipopeptide. The degradation rates and gene expressions of alkane hydroxylases were evaluated at days 4, 10, 14 and 21. Results showed that kurstakin molecules increased the hydrophobicity of 2SA. Moreover, diesel oil degradation activities were higher in the presence of kurstakin with 29%, 35%, 29% and 23% improvement at 4th, 10th, 14th and 21st day respectively. Statistical analysis indicated that the difference between the degradation rates in the presence and absence of kurstakin was significant with p = 0.03. The detection of three different hydroxylase genes namely alkB, almA and cyp153 in 2SA genome, might have allowed more efficient degradability of alkanes. According to the real-time PCR results, cyp153 was the most induced gene during diesel oil degradation in the presence and absence of kurstakin. Yet, the three genes demonstrated higher levels of expression in the presence of kurstakin when compared to its absence. This study showed that kurstakins enhance the diesel oil biodegradation rate by increasing the hydrophobicity of 2SA. In addition to their anti-fungal activities, kurstakins can be used as biosurfactant to increase biodegradation of diesel oil.
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Affiliation(s)
- Mamadou Malick Diallo
- Department of Biology, Basic and Industrial Microbiology Section, Ege University, Izmir, Turkey
| | - Caner Vural
- Department of Biology, Basic and Industrial Microbiology Section, Ege University, Izmir, Turkey
| | - Umut Şahar
- Department of Biology, Molecular Biology Section, Ege University, Izmir, Turkey
| | - Guven Ozdemir
- Department of Biology, Basic and Industrial Microbiology Section, Ege University, Izmir, Turkey
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Endophytic Bacteria from the Sahara Desert Protect Tomato Plants Against Botrytis cinerea Under Different Experimental Conditions. Curr Microbiol 2021; 78:2367-2379. [PMID: 33835232 DOI: 10.1007/s00284-021-02483-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 03/27/2021] [Indexed: 10/21/2022]
Abstract
Bacteria endophytes are living microorganisms that live inside plant tissues without visible harmful symptoms, providing a mutualistic interaction. In this study, different bacterial endophytic strains were isolated from different plants primed to live in an arid area, namely, the Sahara Desert. Up to 27 of these strains were selected based on their ability to inhibit Botrytis cinerea growth in dual-culture assay and by bacterial volatiles. The results presented in this study show the capacity of most of the bacterial strains to protect Solanum lycopersicum against the pathogenic fungus B. cinerea, under different experimental conditions. Five of these strains induced susceptibility in tomato plants and no callose accumulation upon fungal infection, pointing to callose deposition as a protective mechanism mediated by endophytic bacteria. Moreover, there was a significant correlation between the bacterial strains inducing callose and the level of protection against B. cinerea. On the other hand, hormone production by bacteria does not explain the relationship between protection and the differences between the phenotypic results obtained in vitro and those obtained in plant experiments. Induced resistance is highly specific in the inducer-plant-stress interaction.
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Carolin C F, Kumar PS, Ngueagni PT. A review on new aspects of lipopeptide biosurfactant: Types, production, properties and its application in the bioremediation process. JOURNAL OF HAZARDOUS MATERIALS 2021; 407:124827. [PMID: 33352424 DOI: 10.1016/j.jhazmat.2020.124827] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 11/03/2020] [Accepted: 12/08/2020] [Indexed: 06/12/2023]
Abstract
Nowadays, the worldwide search regarding renewable products from natural resources is increasing due to the toxicity of chemical counterparts. Biosurfactants are surface-active compounds that contain several physiological functions that are used in industries like food, pharmaceutical, petroleum and agriculture. Microbial lipopeptides have gained more attention among the researchers for their low toxicity, efficient action and good biodegradability when compared with other surfactants. Because of their versatile properties, lipopeptide compounds are utilized in the remediation of organic and inorganic pollutants. This review presented a depth evaluation of lipopeptide surfactants in the bioremediation process and their properties to maintain a sustainable environment. Lipopeptide can acts as a replacement to chemical surfactants only if they meet industrial-scale production and low-cost substrates. This review also demonstrated the production of a lipopeptide biosurfactant from a low-cost substrate and depicted plausible techniques to manage the substrate residues to determine its ability in the different applications particularly in the bioremediation process.
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Affiliation(s)
- Femina Carolin C
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai - 603110, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai - 603110, India.
| | - P Tsopbou Ngueagni
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai - 603110, India; Laboratoire de Chimie Inorganique Appliquée, Faculté des Sciences, Université de Yaoundé I, B.P: 812, Yaoundé, Cameroon
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Théatre A, Hoste ACR, Rigolet A, Benneceur I, Bechet M, Ongena M, Deleu M, Jacques P. Bacillus sp.: A Remarkable Source of Bioactive Lipopeptides. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2021; 181:123-179. [DOI: 10.1007/10_2021_182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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25
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Falqueto SA, Pitaluga BF, de Sousa JR, Targanski SK, Campos MG, de Oliveira Mendes TA, da Silva GF, Silva DHS, Soares MA. Bacillus spp. metabolites are effective in eradicating Aedes aegypti (Diptera: Culicidae) larvae with low toxicity to non-target species. J Invertebr Pathol 2020; 179:107525. [PMID: 33383067 DOI: 10.1016/j.jip.2020.107525] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 12/14/2020] [Accepted: 12/23/2020] [Indexed: 11/18/2022]
Abstract
The growing spread of dengue, chikungunya and Zika viruses demand the development of new and environmentally safe control methods for their vector, the mosquito Aedes aegypti. This study aims to find novel larvicidal agents from mutualistic (endophytic and rhizospheric) or edaphic bacteria that have no action against non-target organisms. Eleven out of the 254 bacterial strains tested were able to kill Ae. aegypti larvae. Larvicidal activity did not depend on presence of cells, since culture supernatants or crude lipopeptide extracts (CLEs) killed the larvae. Bacillus safensis BacI67 and Bacillus paranthracis C21 supernatants were the best performing supernatants, displaying the lowest lethal concentrations (LC50 = 31.11 µL/mL and 45.84 µL/mL, respectively). Bacillus velezensis B64a and Bacillus velezensis B15 produced the best performing CLEs (LC50 = 0.11 mg/mL and 0.12 mg/mL, respectively). Mass spectrometry analysis of CLEs detected a mixture of surfactins, iturins, and fengycins. The samples tested were weakly- or non-toxic to mammalian cells (RAW 264.7 macrophages and VERO cells) and non-target organisms (Caenorhabditis elegans, Galleria mellonella, Scenedesmus obliquus, and Tetrahymena pyriformis) - especially B. velezensis B15 CLE. The biosynthetic gene clusters related to secondary metabolism identified by whole genome sequencing of the four best performing bacteria strains revealed clusters for bacteriocin, beta-lactone, lanthipeptide, non-ribosomal peptide synthetases, polyketide synthases (PKS), siderophores, T3PKS, type 1 PKS-like, terpenes, thiopeptides, and trans-AT-PKS. Purification of lipopeptides may clarify the mechanisms by which these extracts kill Ae. aegypti larvae.
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Affiliation(s)
- Silvia Altoé Falqueto
- Departamento de Botânica e Ecologia, Universidade Federal de Mato Grosso, Av. Fernando Corrêa da Costa 2367, 78060-900 Cuiabá, Brazil
| | - Bruno Faria Pitaluga
- Departamento de Botânica e Ecologia, Universidade Federal de Mato Grosso, Av. Fernando Corrêa da Costa 2367, 78060-900 Cuiabá, Brazil
| | - Janaína Rosa de Sousa
- Departamento de Botânica e Ecologia, Universidade Federal de Mato Grosso, Av. Fernando Corrêa da Costa 2367, 78060-900 Cuiabá, Brazil
| | - Sabrina Ketrin Targanski
- Departamento de Botânica e Ecologia, Universidade Federal de Mato Grosso, Av. Fernando Corrêa da Costa 2367, 78060-900 Cuiabá, Brazil
| | - Mateus Gandra Campos
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Viçosa, Brazil
| | | | | | - Dulce Helena Siqueira Silva
- Centro de Inovação em Biodiversidade e Fármacos, Instituto de Química, Universidade Estadual Paulista Júlio de Mesquita Filho, Araraquara, Brazil
| | - Marcos Antônio Soares
- Departamento de Botânica e Ecologia, Universidade Federal de Mato Grosso, Av. Fernando Corrêa da Costa 2367, 78060-900 Cuiabá, Brazil.
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Extraction, separation and characterization of lipopeptides and phospholipids from corn steep water. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117076] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Frankfater C, Henson WR, Juenger-Leif A, Foston M, Moon TS, Turk J, Kao JLF, Haas A, Hsu FF. Structural Determination of a New Peptidolipid Family from Rhodococcus opacus and the Pathogen Rhodococcus equi by Multiple Stage Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2020; 31:611-623. [PMID: 31967470 DOI: 10.1021/jasms.9b00059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The cell walls of the genus Rhodococcus including the pathogenic bacterium Rhodococcus equi (R. equi) and biotechnologically important bacterium Rhodococcus opacus (R. opacus) contain an abundant peptidolipid (or termed lipopeptide) family whose structures have not been reported previously. Here, we describe a linear ion-trap multiple-stage mass spectrometric (LIT MSn) approach with high resolution mass spectrometry (HRMS), in conjunction with NMR spectroscopy, chemical reactions, and GC/MS analysis to define the structures of these compounds. We employed LIT MSn (n = 2-8) on the [M + Na]+ ion species to establish the peptide sequence, the identity of the fatty acyl substituent, and its location within the molecule, while NMR spectroscopy and GC/MS were used to recognize the Leu and Ile moieties. The major new lipopeptide found in R. opacus is defined as C17H35CH(OH)CH2CO-NHLeu-Ser-Leu-Ile-Thr-Ile-PheCOOH, where a β-OH fatty acyl (C18-C22) substituent is attached to the N-terminal of the LSLITIF peptide chain via a NH-CO bond. By contrast, the main peptidolipids found in R. equi belong to the cyclopeptidolipid family, which possesses the same peptide sequence and lipid chain, but the β-OH group of the fatty acyl moiety and the C-terminus of the peptide (i.e., the -COOH) are cyclized by an ester bond formation to a lactone, with a structure similar to iturin-A (Peypoux, F. et al. Biochemistry 1978, 17, 3992-3996). The antibiotic activity test of these new lipids did not reveal an activity against any of seven microorganisms tested.
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Affiliation(s)
| | | | - Alexandra Juenger-Leif
- Institute for Cell Biology, University of Bonn, Ulrich-Haberland-Strasse 61a, 53121 Bonn, Germany
| | | | | | | | | | - Albert Haas
- Institute for Cell Biology, University of Bonn, Ulrich-Haberland-Strasse 61a, 53121 Bonn, Germany
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Lesson from Ecotoxicity: Revisiting the Microbial Lipopeptides for the Management of Emerging Diseases for Crop Protection. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17041434. [PMID: 32102264 PMCID: PMC7068399 DOI: 10.3390/ijerph17041434] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/18/2020] [Accepted: 02/19/2020] [Indexed: 11/17/2022]
Abstract
Microorganisms area treasure in terms of theproduction of various bioactive compounds which are being explored in different arenas of applied sciences. In agriculture, microbes and their bioactive compounds are being utilized in growth promotion and health promotion withnutrient fortification and its acquisition. Exhaustive explorations are unraveling the vast diversity of microbialcompounds with their potential usage in solving multiferous problems incrop production. Lipopeptides are one of such microbial compounds which havestrong antimicrobial properties against different plant pathogens. These compounds are reported to be produced by bacteria, cyanobacteria, fungi, and few other microorganisms; however, genus Bacillus alone produces a majority of diverse lipopeptides. Lipopeptides are low molecular weight compounds which havemultiple industrial roles apart from being usedas biosurfactants and antimicrobials. In plant protection, lipopeptides have wide prospects owing totheirpore-forming ability in pathogens, siderophore activity, biofilm inhibition, and dislodging activity, preventing colonization bypathogens, antiviral activity, etc. Microbes with lipopeptides that haveall these actions are good biocontrol agents. Exploring these antimicrobial compounds could widen the vistasof biological pest control for existing and emerging plant pathogens. The broader diversity and strong antimicrobial behavior of lipopeptides could be a boon for dealing withcomplex pathosystems and controlling diseases of greater economic importance. Understanding which and how these compounds modulate the synthesis and production of defense-related biomolecules in the plants is a key question—the answer of whichneeds in-depth investigation. The present reviewprovides a comprehensive picture of important lipopeptides produced by plant microbiome, their isolation, characterization, mechanisms of disease control, behavior against phytopathogens to understand different aspects of antagonism, and potential prospects for future explorations as antimicrobial agents. Understanding and exploring the antimicrobial lipopeptides from bacteria and fungi could also open upan entire new arena of biopesticides for effective control of devastating plant diseases.
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van Breemen RB, Hathout Y, Fabris D. Catherine Fenselau: A distinguished career dedicated to biomedical mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2020; 55:e4500. [PMID: 32073193 DOI: 10.1002/jms.4500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 12/02/2019] [Indexed: 06/10/2023]
Affiliation(s)
- Richard B van Breemen
- Department of Pharmaceutical Sciences and Linus Pauling Institute, Oregon State University, Corvallis, Oregon
| | - Yetrib Hathout
- Department of Pharmaceutical Sciences, Binghamton University (SUNY), Binghamton, New York
| | - Daniele Fabris
- Department of Chemistry, University of Connecticut, Storrs, CT
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Antimicrobial secondary metabolites from agriculturally important bacteria as next-generation pesticides. Appl Microbiol Biotechnol 2019; 104:1013-1034. [PMID: 31858191 DOI: 10.1007/s00253-019-10300-8] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/25/2019] [Accepted: 12/03/2019] [Indexed: 10/25/2022]
Abstract
The whole organisms can be packaged as biopesticides, but secondary metabolites secreted by microorganisms can also have a wide range of biological activities that either protect the plant against pests and pathogens or act as plant growth promotors which can be beneficial for the agricultural crops. In this review, we have compiled information about the most important secondary metabolites of three important bacterial genera currently used in agriculture pest and disease management.
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Md Badrul Hisham NH, Ibrahim MF, Ramli N, Abd-Aziz S. Production of Biosurfactant Produced from Used Cooking Oil by Bacillus sp. HIP3 for Heavy Metals Removal. Molecules 2019; 24:E2617. [PMID: 31323813 PMCID: PMC6681096 DOI: 10.3390/molecules24142617] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/13/2019] [Accepted: 06/14/2019] [Indexed: 02/02/2023] Open
Abstract
Heavy metals from industrial effluents and sewage contribute to serious water pollution in most developing countries. The constant penetration and contamination of heavy metals into natural water sources may substantially raise the chances of human exposure to these metals through ingestion, inhalation, or skin contact, which could lead to liver damage, cancer, and other severe conditions in the long term. Biosurfactant as an efficient biological surface-active agent may provide an alternative solution for the removal of heavy metals from industrial wastes. Biosurfactants exhibit the properties of reducing surface and interfacial tension, stabilizing emulsions, promoting foaming, high selectivity, and specific activity at extreme temperatures, pH, and salinity, and the ability to be synthesized from renewable resources. This study aimed to produce biosurfactant from renewable feedstock, which is used cooking oil (UCO), by a local isolate, namely Bacillus sp. HIP3 for heavy metals removal. Bacillus sp. HIP3 is a Gram-positive isolate that gave the highest oil displacement area with the lowest surface tension, of 38 mN/m, after 7 days of culturing in mineral salt medium and 2% (v/v) UCO at a temperature of 30 °C and under agitation at 200 rpm. An extraction method, using chloroform:methanol (2:1) as the solvents, gave the highest biosurfactant yield, which was 9.5 g/L. High performance liquid chromatography (HPLC) analysis confirmed that the biosurfactant produced by Bacillus sp. HIP3 consists of a lipopeptide similar to standard surfactin. The biosurfactant was capable of removing 13.57%, 12.71%, 2.91%, 1.68%, and 0.7% of copper, lead, zinc, chromium, and cadmium, respectively, from artificially contaminated water, highlighting its potential for bioremediation.
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Affiliation(s)
- Nurul Hanisah Md Badrul Hisham
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia
| | - Mohamad Faizal Ibrahim
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia
| | - Norhayati Ramli
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia
| | - Suraini Abd-Aziz
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia.
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Azeem M, Barba-Aliaga M, Borg-Karlson AK, Terenius O, Broberg A, Rajarao GK. Heterobasidion-growth inhibiting Bacillus subtilis A18 exhibits medium- and age-dependent production of lipopeptides. Microbiol Res 2019; 223-225:129-136. [DOI: 10.1016/j.micres.2019.04.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 04/14/2019] [Accepted: 04/20/2019] [Indexed: 10/27/2022]
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Horak I, Engelbrecht G, Rensburg PJ, Claassens S. Microbial metabolomics: essential definitions and the importance of cultivation conditions for utilizingBacillusspecies as bionematicides. J Appl Microbiol 2019; 127:326-343. [PMID: 30739384 DOI: 10.1111/jam.14218] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 02/04/2019] [Accepted: 02/04/2019] [Indexed: 01/05/2023]
Affiliation(s)
- I. Horak
- Unit for Environmental Sciences and Management North‐West University Potchefstroom South Africa
| | - G. Engelbrecht
- Unit for Environmental Sciences and Management North‐West University Potchefstroom South Africa
| | | | - S. Claassens
- Unit for Environmental Sciences and Management North‐West University Potchefstroom South Africa
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Ortiz A, Sansinenea E. Chemical Compounds Produced by Bacillus sp. Factories and Their Role in Nature. Mini Rev Med Chem 2019; 19:373-380. [DOI: 10.2174/1389557518666180829113612] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 07/05/2018] [Accepted: 08/27/2018] [Indexed: 11/22/2022]
Abstract
Microorganisms are able to produce hundreds of unique chemical structures that can be effectively used by the human beings on their own benefit using the products in the chemical industry. Bacteria belonging to Bacillus genera are very good chemical factories capable to synthesize different compounds with a wide variety of activities. In this review, we try to review the compounds with their respective biological activities produced by different species of Bacillus.
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Affiliation(s)
- Aurelio Ortiz
- Facultad de Ciencias Quimicas, Benemerita Universidad Autonoma de Puebla, C.P. 72570, Puebla, Pue, Mexico
| | - Estibaliz Sansinenea
- Facultad de Ciencias Quimicas, Benemerita Universidad Autonoma de Puebla, C.P. 72570, Puebla, Pue, Mexico
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35
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Jemil N, Hmidet N, Manresa A, Rabanal F, Nasri M. Isolation and characterization of kurstakin and surfactin isoforms produced by Enterobacter cloacae C3 strain. JOURNAL OF MASS SPECTROMETRY : JMS 2019; 54:7-18. [PMID: 30324699 DOI: 10.1002/jms.4302] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 10/08/2018] [Accepted: 10/09/2018] [Indexed: 06/08/2023]
Abstract
In this work, the extraction, structural analysis, and identification as well as antimicrobial, anti-adhesive, and antibiofilm activities of lipopeptides produced by Enterobacter cloacae C3 strain were studied. A combination of chromatographic and spectroscopic techniques offers opportunities for a better characterization of the biosurfactant structure. Thin layer chromatography (TLC) and HPLC for amino acid composition determination are used. Efficient spectroscopic techniques have been utilized for investigations on the biochemical structure of biosurfactants, such as Fourier transform infrared (FT-IR) spectroscopy and mass spectrometry analysis. This is the first work describing the production of different isoforms belonging to kurstakin and surfactin families by E cloacae strain. Three kurstakin homologues differing by the fatty acid chain length from C10 to C12 were detected. The spectrum of lipopeptides belonging to surfactin family contains various isoforms differing by the fatty acid chain length as well as the amino acids at positions four and seven. Lipopeptide C3 extract exhibited important antibacterial activity against Gram-positive and Gram-negative bacteria, antifungal activity, and interesting anti-adhesive and disruptive properties against biofilm formation by human pathogenic bacterial strains: Salmonella typhimurium, Klebsiella pneumoniae, Staphylococcus aureus, Bacillus cereus, and Candida albicans.
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Affiliation(s)
- Nawel Jemil
- Laboratoire de Génie Enzymatique et de Microbiologie, Université de Sfax, Ecole Nationale d'Ingénieurs de Sfax, Sfax, Tunisia
| | - Noomen Hmidet
- Laboratoire de Génie Enzymatique et de Microbiologie, Université de Sfax, Ecole Nationale d'Ingénieurs de Sfax, Sfax, Tunisia
| | - Angeles Manresa
- Section of Microbiology, Department of Biology, Health and Environment, Faculty of Pharmacy, University of Barcelona, Barcelona, Spain
| | - Francesc Rabanal
- Section of Organic Chemistry, Department of Inorganic and Organic Chemistry, Faculty of Chemistry, University of Barcelona, Barcelona, Spain
| | - Moncef Nasri
- Laboratoire de Génie Enzymatique et de Microbiologie, Université de Sfax, Ecole Nationale d'Ingénieurs de Sfax, Sfax, Tunisia
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Zheng D, Zeng Z, Xue B, Deng Y, Sun M, Tang YJ, Ruan L. Bacillus thuringiensis produces the lipopeptide thumolycin to antagonize microbes and nematodes. Microbiol Res 2018; 215:22-28. [DOI: 10.1016/j.micres.2018.06.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 02/23/2018] [Accepted: 06/02/2018] [Indexed: 11/28/2022]
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37
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Abdellaziz L, Chollet M, Abderrahmani A, Béchet M, Yaici L, Chataigné G, Arias AA, Leclère V, Jacques P. Lipopeptide biodiversity in antifungal Bacillus strains isolated from Algeria. Arch Microbiol 2018; 200:1205-1216. [PMID: 29947835 DOI: 10.1007/s00203-018-1537-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 05/18/2018] [Accepted: 05/29/2018] [Indexed: 10/14/2022]
Abstract
Several Bacillus strains have been well studied for their ability to control soil-borne plant diseases. This property is linked to the production of several families of lipopeptides. Depending of their structure, these compounds show antifungal and/or plant systemic resistance inducing activities. In this work, the biodiversity of lipopeptides produced by different antifungal Bacillus strains isolated from seeds, rhizospheric, and non-rhizospheric soils in Algeria was analyzed. Sixteen active strains were characterized by PCR for their content in genes involved in lipopeptide biosynthesis and by MALDI-ToF for their lipopeptide production, revealing a high biodiversity of products. The difficulty to detect kurstakin genes led us to design two new sets of specific primers. An interesting potential of antifungal activity and the synthesis of two forms of fengycins differing in the eighth amino acid (Gln/Glu) were found from the strain 8. Investigation of its genome led to the finding of an adenylation domain of the fengycin synthetase predicted to activate the glutamate residue instead of the glutamine one. According to the comparison of both the results of MALDI-ToF-MS and genome analysis, it was concluded that this adenylation domain could activate both residues at the same time. This study highlighted that the richness of the Algerian ecosystems in Bacillus strains is able to produce: surfactin, pumilacidin, lichenysin, kurstakin, and different types of fengycins.
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Affiliation(s)
- Lamia Abdellaziz
- Microbiological Team, Cellular and Molecular Biological Laboratory, Faculty of Biological Sciences, University of Sciences and Technology Houari Boumediene, Algiers, Algeria.,Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, 59000, Lille, France
| | - Marlène Chollet
- Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, 59000, Lille, France
| | - Ahmed Abderrahmani
- Microbiological Team, Cellular and Molecular Biological Laboratory, Faculty of Biological Sciences, University of Sciences and Technology Houari Boumediene, Algiers, Algeria.,Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, 59000, Lille, France
| | - Max Béchet
- Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, 59000, Lille, France
| | - Lamia Yaici
- Microbiological Team, Cellular and Molecular Biological Laboratory, Faculty of Biological Sciences, University of Sciences and Technology Houari Boumediene, Algiers, Algeria.,Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, 59000, Lille, France
| | - Gabrielle Chataigné
- Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, 59000, Lille, France
| | - Anthony Arguelles Arias
- Microbial Processes and Interactions, Gembloux Agro-Bio Tech, TERRA Teaching and Research Centre, University of Liege, Gembloux, Belgium
| | - Valérie Leclère
- Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, 59000, Lille, France
| | - Philippe Jacques
- Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d'Opale, EA 7394-ICV-Institut Charles Viollette, 59000, Lille, France. .,Microbial Processes and Interactions, Gembloux Agro-Bio Tech, TERRA Teaching and Research Centre, University of Liege, Gembloux, Belgium.
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Biocontrol of Sclerotinia sclerotiorum (Lib.) de Bary on common bean by native lipopeptide-producer Bacillus strains. Microbiol Res 2018; 211:21-30. [PMID: 29705203 DOI: 10.1016/j.micres.2018.04.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 03/14/2018] [Accepted: 04/06/2018] [Indexed: 11/20/2022]
Abstract
Bacillus sp. B19, Bacillus sp. P12 and B. amyloliquefaciens B14 were isolated from soils of Salta province, and PGPR properties on the common bean (Phaseolus vulgaris L.) cv. Alubia and antagonistic activity against Sclerotinia sclerotiorum were studied. It was determined that B19 and P12 increased crop germination potential (GP) from the common bean by 14.5% compared to control seeds; these strains also increased root length (10.4 and 15%, respectively) and stem length (20.2 and 30%, respectively) compared to the control; however, as for the B14 strain, no increases in growth parameters were detected. In addition, all the treatments that combined two bacilli: B14 + B19, B14 + P12 and B19 + P12, generated beneficial effects on GP and seedling growth compared to control seeds, but not compared to a single inoculant. B19 and P12 strains synthesized auxins at concentrations of 5.71 and 4.90 mg/mL, respectively, and it was qualitatively determined that they synthesize siderophores. In addition, previous studies have determined that B14 produces auxins in a concentration of 10.10 mg/mL, and qualitatively synthesizes siderophores. The phytosanitary state of the white bean cv. Alubia control seeds revealed bacterial contamination in 87% of all the evaluated seeds and different fungi such as Cladosporium sp., Fusarium sp., and Rhizopus sp. Bean seeds treated with B14, B19 or P12 showed no growth of contaminating bacteria or of pathogenic fungi; in fact, bacilli inoculum development was observed in all seeds. Additionally, B19, P12 and B14 strains inhibited in vitro the development of 9 native S. sclerotiorum strains isolated from the Salta region, with FI ranging between 60 and 100%. The three Bacillus strains synthesized different isoforms of the lipopeptides: surfactin, iturin, and fengycin in the presence of S. sclerotiorum, as determined by MALDI-TOF. In the in vivo trials, when common bean seeds were grown in soils contaminated with S. sclerotiorum, an incidence of 100% was determined when the seeds were not treated with any Bacillus. Seeds treated with the chemical fungicide and sown in S. sclerotiorum-infested soil did not produce seed emergence, while the inoculation of the seeds with B14 + P12, B14 + B19 or B19 + P12 reduced the effect of the pathogen by 46, 43 and 25%, respectively. Disease progression in B14 + P12 and B14 + B19 treatments was significantly lower than in the remaining treatments, with an AUDPC of 873.75 and 1071, respectively.
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Maksimov IV, Maksimova TI, Sarvarova ER, Blagova DK, Popov VO. Endophytic Bacteria as Effective Agents of New-Generation Biopesticides (Review). APPL BIOCHEM MICRO+ 2018. [DOI: 10.1134/s0003683818020072] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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40
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Zhao P, Xue Y, Gao W, Li J, Zu X, Fu D, Bai X, Zuo Y, Hu Z, Zhang F. Bacillaceae-derived peptide antibiotics since 2000. Peptides 2018; 101:10-16. [PMID: 29269072 DOI: 10.1016/j.peptides.2017.12.018] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Revised: 12/18/2017] [Accepted: 12/18/2017] [Indexed: 10/18/2022]
Abstract
Members of the Bacillaceae family, including Bacillus spp., Brevibacillus spp., Paenibacillus spp., Aneurinibacillus sp., and Halobacillus sp., are an important source of structurally diverse classes of short peptides of ∼ 30 residues or fewer possessing peculiar and rapid killing activity against various pathogens. Additionally, many have unique structures that enhance resistance to hydrolysis by proteases, and these are ideal therapeutic tools and potential alternatives to current antibiotics. The need for novel antibiotic lead compounds is urgent, and this review summarises 119 Bacillaceae compounds published since 2000, including 12 surfactin-like lipopeptides, 16 iturinic lipopeptides, fengycin C, 33 other cyclic lipopeptides, 26 linear lipopeptides, two thiopeptides, four 2,5-diketopiperazines, 20 typical cyclic peptides, and five standard linear peptides. The current and potential therapeutic applications of these peptides, including structure, antibacterial, antifungal, and antiviral activities, are discussed.
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Affiliation(s)
- Pengchao Zhao
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Yun Xue
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China.
| | - Weina Gao
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Jinghua Li
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Xiangyang Zu
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Dongliao Fu
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Xuefei Bai
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Yanjun Zuo
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Zhigang Hu
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
| | - Fengshou Zhang
- College of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471023, China
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Tripathy DB, Mishra A, Clark J, Farmer T. Synthesis, chemistry, physicochemical properties and industrial applications of amino acid surfactants: A review. CR CHIM 2018. [DOI: 10.1016/j.crci.2017.11.005] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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42
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Plipastatin A1 produced by a marine sediment-derived Bacillus amyloliquefaciens SH-B74 contributes to the control of gray mold disease in tomato. 3 Biotech 2018; 8:125. [PMID: 29450115 DOI: 10.1007/s13205-018-1144-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 01/30/2018] [Indexed: 01/28/2023] Open
Abstract
Certain Bacillus species have the capacity to produce cyclic lipopeptides and these lipopeptides are promising determinants contributing to the biocontrol of plant diseases. In the current study, a cyclic lipopeptide plipastatin A1 was isolated from the fermentation broth of a marine sediment-derived Bacillus amyloliquefaciens SH-B74 by the combination of solid-phase extraction and reversed-phase high-performance liquid chromatography, and its structure was identified by tandem mass spectrometry, high-resolution electro-spray ionization mass spectrometry, and gas chromatography-mass spectrometry together with nuclear magnetic resonance analysis. Moreover, data from activity evaluation revealed that plipastatin A1 has excellent in vitro activity on the suppression of the conidia germination of B. cinerea, the causal agent of gray mold disease in tomato. Furthermore, plipastatin A1 can successfully decrease the incidence of gray mold disease on tomato leaves at 50 µM concentration. This study indicates that B. amyloliquefaciens SH-B74 appears to be a potentially sustainable pesticide to control gray mold disease in tomato plants, and its cyclic lipopeptide plipastatin A1 plays an important role in the in vitro and in planta biocontrol of B. cinerea.
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Antifungal Screening of Bioprotective Isolates against Botrytis cinerea, Fusarium pallidoroseum and Fusarium moniliforme. FERMENTATION-BASEL 2017. [DOI: 10.3390/fermentation3040053] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Yaseen Y, Gancel F, Béchet M, Drider D, Jacques P. Study of the correlation between fengycin promoter expression and its production by Bacillus subtilis under different culture conditions and the impact on surfactin production. Arch Microbiol 2017; 199:1371-1382. [PMID: 28735377 DOI: 10.1007/s00203-017-1406-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Revised: 06/01/2017] [Accepted: 06/26/2017] [Indexed: 11/28/2022]
Abstract
This work aimed to rely expression of the fengycin promoter to fengycin production under different culture conditions. To this end, Bacillus subtilis BBG208, derived from BBG21, which is a fengycin overproducing strain carrying the green fluorescent protein (GFP) under the control of fengycin promoter, was used to assess the effects of different carbon and nitrogen sources on surfactin and fengycin production and the fengycin promoter expression. The data showed that some carbon sources oriented synthesis of one family of lipopeptides, while most of the nitrogen sources allowed high co-production of fengycin and surfactin. High expressions of promoter Pfen and fengycin synthesis were obtained with urea or urea + ammonium mixture as nitrogen source and mannitol as carbon source. Moreover, temperature, pH and oxygenation influenced their biosynthesis based on the nutrition conditions. Optimization of the production medium increased the fengycin production to 768 mg L-1, which is the highest level reported for this strain. This study defines the suitable nutrient conditions allowing as well the highest expression of the fengycin promoter and portrays the conditions relying on the fengycin and surfactin production.
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Affiliation(s)
- Yazen Yaseen
- Charles Viollette Institute, University Lille 1, Sciences and Technologies, Cité Scientifique, 59655, Villeneuve d'Ascq, France.,Terra Teaching and Research Centre, Microbial Processes and Interactions, Gembloux Agro-Bio Tech, University of Liege, Gembloux, B-5030, Liège, Belgium
| | - Frédérique Gancel
- Charles Viollette Institute, University Lille 1, Sciences and Technologies, Cité Scientifique, 59655, Villeneuve d'Ascq, France.,Terra Teaching and Research Centre, Microbial Processes and Interactions, Gembloux Agro-Bio Tech, University of Liege, Gembloux, B-5030, Liège, Belgium
| | - Max Béchet
- Charles Viollette Institute, University Lille 1, Sciences and Technologies, Cité Scientifique, 59655, Villeneuve d'Ascq, France.,Terra Teaching and Research Centre, Microbial Processes and Interactions, Gembloux Agro-Bio Tech, University of Liege, Gembloux, B-5030, Liège, Belgium
| | - Djamel Drider
- Charles Viollette Institute, University Lille 1, Sciences and Technologies, Cité Scientifique, 59655, Villeneuve d'Ascq, France.,Terra Teaching and Research Centre, Microbial Processes and Interactions, Gembloux Agro-Bio Tech, University of Liege, Gembloux, B-5030, Liège, Belgium
| | - Philippe Jacques
- Charles Viollette Institute, University Lille 1, Sciences and Technologies, Cité Scientifique, 59655, Villeneuve d'Ascq, France. .,Terra Teaching and Research Centre, Microbial Processes and Interactions, Gembloux Agro-Bio Tech, University of Liege, Gembloux, B-5030, Liège, Belgium.
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Dimkić I, Stanković S, Nišavić M, Petković M, Ristivojević P, Fira D, Berić T. The Profile and Antimicrobial Activity of Bacillus Lipopeptide Extracts of Five Potential Biocontrol Strains. Front Microbiol 2017; 8:925. [PMID: 28588570 PMCID: PMC5440568 DOI: 10.3389/fmicb.2017.00925] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 05/08/2017] [Indexed: 11/13/2022] Open
Abstract
In this study the efficacy of two different methods for extracting lipopeptides produced by five Bacillus strains-ethyl acetate extraction, and acid precipitation followed by methanol extraction—was investigated using mass spectrometry. High performance thin layer chromatography (HPTLC) was also used for the simultaneous separation of complex mixtures of lipopeptide extracts and for the determination of antimicrobial activity of their components. The mass spectra clearly showed well-resolved groups of peaks corresponding to different lipopeptide families (kurstakins, iturins, surfactins, and fengycins). The ethyl acetate extracts produced the most favorable results. The extracts of SS-12.6, SS-13.1, and SS-38.4 showed the highest inhibition zones. An iturin analog is responsible for the inhibition of Xanthomonas arboricola and Pseudomonas syringae phytopathogenic strains. HPTLC bioautography effectively identified the active compounds from a mixture of lipopeptide extracts, proving in situ its potential for use in direct detection and determination of antimicrobials. In the test of potential synergism among individual extracts used in different mixtures, stronger antimicrobial effects were not observed. Biochemical and phylogenetic analysis clustered isolates SS-12.6, SS-13.1, SS-27.2, and SS-38.4 together with Bacillus amyloliquefaciens, while SS-10.7 was more closely related to Bacillus pumilus.
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Affiliation(s)
- Ivica Dimkić
- Department of Microbiology, Faculty of Biology, University of BelgradeBelgrade, Serbia
| | - Slaviša Stanković
- Department of Microbiology, Faculty of Biology, University of BelgradeBelgrade, Serbia
| | - Marija Nišavić
- Department of Physical Chemistry, Institute of Nuclear Sciences "Vinča," University of BelgradeBelgrade, Serbia
| | - Marijana Petković
- Department of Physical Chemistry, Institute of Nuclear Sciences "Vinča," University of BelgradeBelgrade, Serbia
| | - Petar Ristivojević
- Innovation Centre of the Faculty of Chemistry Ltd., University of BelgradeBelgrade, Serbia
| | - Djordje Fira
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of BelgradeBelgrade, Serbia
| | - Tanja Berić
- Department of Microbiology, Faculty of Biology, University of BelgradeBelgrade, Serbia
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Nemati R, Dietz C, Anstadt E, Clark R, Smith M, Nichols F, Yao X. Simultaneous Determination of Absolute Configuration and Quantity of Lipopeptides Using Chiral Liquid Chromatography/Mass Spectrometry and Diastereomeric Internal Standards. Anal Chem 2017; 89:3583-3589. [DOI: 10.1021/acs.analchem.6b04901] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Reza Nemati
- Department
of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
| | - Christopher Dietz
- Department
of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
| | - Emily Anstadt
- Department
of Immunology and Medicine, University of Connecticut School of Medicine, Farmington, Connecticut 06030, United States
| | - Robert Clark
- Department
of Immunology and Medicine, University of Connecticut School of Medicine, Farmington, Connecticut 06030, United States
| | - Michael Smith
- Department
of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
| | - Frank Nichols
- Department
of Oral Health and Diagnostic Sciences, University of Connecticut School of Dental Medicine, Farmington, Connecticut 06030, United States
| | - Xudong Yao
- Department
of Chemistry, University of Connecticut, Storrs, Connecticut 06269-3060, United States
- Institute
for Systems Genomics, University of Connecticut, Storrs, Connecticut 06269, United States
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47
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Zhao X, Kuipers OP. Identification and classification of known and putative antimicrobial compounds produced by a wide variety of Bacillales species. BMC Genomics 2016; 17:882. [PMID: 27821051 PMCID: PMC5100339 DOI: 10.1186/s12864-016-3224-y] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Accepted: 10/27/2016] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Gram-positive bacteria of the Bacillales are important producers of antimicrobial compounds that might be utilized for medical, food or agricultural applications. Thanks to the wide availability of whole genome sequence data and the development of specific genome mining tools, novel antimicrobial compounds, either ribosomally- or non-ribosomally produced, of various Bacillales species can be predicted and classified. Here, we provide a classification scheme of known and putative antimicrobial compounds in the specific context of Bacillales species. RESULTS We identify and describe known and putative bacteriocins, non-ribosomally synthesized peptides (NRPs), polyketides (PKs) and other antimicrobials from 328 whole-genome sequenced strains of 57 species of Bacillales by using web based genome-mining prediction tools. We provide a classification scheme for these bacteriocins, update the findings of NRPs and PKs and investigate their characteristics and suitability for biocontrol by describing per class their genetic organization and structure. Moreover, we highlight the potential of several known and novel antimicrobials from various species of Bacillales. CONCLUSIONS Our extended classification of antimicrobial compounds demonstrates that Bacillales provide a rich source of novel antimicrobials that can now readily be tapped experimentally, since many new gene clusters are identified.
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Affiliation(s)
- Xin Zhao
- Department of Molecular Genetics, University of Groningen, Nijenborgh 7, Groningen, 9747AG, The Netherlands.,School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, People's Republic of China
| | - Oscar P Kuipers
- Department of Molecular Genetics, University of Groningen, Nijenborgh 7, Groningen, 9747AG, The Netherlands.
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Dereplication of peptidic natural products through database search of mass spectra. Nat Chem Biol 2016; 13:30-37. [PMID: 27820803 PMCID: PMC5409158 DOI: 10.1038/nchembio.2219] [Citation(s) in RCA: 151] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Accepted: 08/17/2016] [Indexed: 11/08/2022]
Abstract
Peptidic Natural Products (PNPs) are widely used compounds that include many antibiotics and a variety of other bioactive peptides. While recent breakthroughs in PNP discovery raised the challenge of developing new algorithms for their analysis, identification of PNPs via database search of tandem mass spectra remains an open problem. To address this problem, natural product researchers utilize dereplication strategies that identify known PNPs and lead to the discovery of new ones even in cases when the reference spectra are not present in existing spectral libraries. DEREPLICATOR is a new dereplication algorithm that enabled high-throughput PNP identification and that is compatible with large-scale mass spectrometry-based screening platforms for natural product discovery. After searching nearly one hundred million tandem mass spectra in the Global Natural Products Social (GNPS) molecular networking infrastructure, DEREPLICATOR identified an order of magnitude more PNPs (and their new variants) than any previous dereplication efforts.
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49
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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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50
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Soares MA, Li HY, Kowalski KP, Bergen M, Torres MS, White JF. Functional Role of Bacteria from Invasive Phragmites australis in Promotion of Host Growth. MICROBIAL ECOLOGY 2016; 72:407-417. [PMID: 27260154 DOI: 10.1007/s00248-016-0793-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2016] [Accepted: 05/18/2016] [Indexed: 06/05/2023]
Abstract
We hypothesize that bacterial endophytes may enhance the competitiveness and invasiveness of Phragmites australis. To evaluate this hypothesis, endophytic bacteria were isolated from P. australis. The majority of the shoot meristem isolates represent species from phyla Firmicutes, Proteobacteria, and Actinobacteria. We chose one species from each phylum to characterize further and to conduct growth promotion experiments in Phragmites. Bacteria tested include Bacillus amyloliquefaciens A9a, Achromobacter spanius B1, and Microbacterium oxydans B2. Isolates were characterized for known growth promotional traits, including indole acetic acid (IAA) production, secretion of hydrolytic enzymes, phosphate solubilization, and antibiosis activity. Potentially defensive antimicrobial lipopeptides were assayed for through application of co-culturing experiments and mass spectrometer analysis. B. amyloliquefaciens A9a and M. oxydans B2 produced IAA. B. amyloliquefaciens A9a secreted antifungal lipopeptides. Capability to promote growth of P. australis under low nitrogen conditions was evaluated in greenhouse experiments. All three isolates were found to increase the growth of P. australis under low soil nitrogen conditions and showed increased absorption of isotopic nitrogen into plants. This suggests that the Phragmites microbes we evaluated most likely promote growth of Phragmites by enhanced scavenging of nitrogenous compounds from the rhizosphere and transfer to host roots. Collectively, our results support the hypothesis that endophytic bacteria play a role in enhancing growth of P. australis in natural populations. Gaining a better understanding of the precise contributions and mechanisms of endophytes in enabling P. australis to develop high densities rapidly could lead to new symbiosis-based strategies for management and control of the host.
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Affiliation(s)
- M A Soares
- Department of Botany and Ecology, Federal University of Mato Grosso, Cuiabá, Mato Grosso, 78060-900, Brazil.
| | - H-Y Li
- Faculty of Life Sciences and Technology, Kunming University of Science and Technology, Kunming, 650500, Yunnan Province, China
| | - K P Kowalski
- US Geological Survey, Great Lakes Science Center, Ann Arbor, MI, USA
| | - M Bergen
- Department of Plant Biology and Pathology, Rutgers University, 59 Dudley Road, New Brunswick, NJ, 08901-8520, USA
| | - M S Torres
- Department of Plant Biology and Pathology, Rutgers University, 59 Dudley Road, New Brunswick, NJ, 08901-8520, USA
| | - J F White
- Department of Plant Biology and Pathology, Rutgers University, 59 Dudley Road, New Brunswick, NJ, 08901-8520, USA
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