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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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Zhang J, Zhao L, Tang W, Li J, Tang T, Sun X, Qiao X, He Z. Characterization of a novel circular bacteriocin from Bacillus velezensis 1-3, and its mode of action against Listeria monocytogenes. Heliyon 2024; 10:e29701. [PMID: 38726204 PMCID: PMC11078769 DOI: 10.1016/j.heliyon.2024.e29701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 04/10/2024] [Accepted: 04/14/2024] [Indexed: 05/12/2024] Open
Abstract
In this study, isolate Bacillus velezensis1-3 was selected out for its anti- Listeria potency, from which a novel circular bacteriocin, velezin, was purified out of the fermentate, and then characterized. Facilitated with a broad antibacterial spectrum, velezin has demonstrated decent inhibitive activity against of foodborne pathogen L. monocytogenes ATCC 19115. It exerted the antibacterial activity through damaging the membrane integrity of targeted cell and causing leakage of vital elements, including K+ ion. It was noteworthy that velezin also inhibited the biofilm formation by L. monocytogenes ATCC 19115. At the challenge of velezin, L. monocytogenes ATCC 19115 up-regulated expression of genes associated with membrane, ion transporters, stressing-related proteins as well as the genes responsible for the synthesis of small molecule. Taken together, velezin may have potential to be a candidate as natural additive used in food/feed in the future.
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Affiliation(s)
- Jun Zhang
- School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
- Qingdao Bioantai Biotechnology Co., Ltd., Qingdao, 266071, China
| | - Lihong Zhao
- School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
| | - Wei Tang
- School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, 266000, China
| | - Jiaxin Li
- School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
| | - Tao Tang
- School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, 266000, China
| | - Xiaowen Sun
- School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
- Qingdao Bioantai Biotechnology Co., Ltd., Qingdao, 266071, China
| | - Xiaoni Qiao
- School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
- Qingdao Bioantai Biotechnology Co., Ltd., Qingdao, 266071, China
| | - Zengguo He
- School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China
- Qingdao Bioantai Biotechnology Co., Ltd., Qingdao, 266071, China
- Marine Biomedical Research Institute of Qingdao, Qingdao, 266000, China
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Kim JH, Lee ES, Kim BM, Ham JS, Oh MH. Simple Purification and Antimicrobial Properties of Bacteriocin-like Inhibitory Substance from Bacillus Species for the Biopreservation of Cheese. Foods 2023; 13:10. [PMID: 38201038 PMCID: PMC10778428 DOI: 10.3390/foods13010010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024] Open
Abstract
Bacteriocins may be used as natural preservatives and antibiotic substitutes in various foods. However, the multistep purification process of bacteriocins results in high production costs, which is an obstacle to their commercial use and consumer accessibility. In this study, a bacteriocin-like inhibitory substance (BLIS) from Bacillus spp. isolated from Korean fermented foods was partially purified using the aqueous two-phase system (ATPS). The maximum activity of the BLIS was achieved for ATPS composed of PEG 1000 (15% [w/w])/ammonium sulfate (20% [w/w])/sodium chloride (2% [w/w]), which caused BLIS activity to increase by 3 times with a 99% recovery rate. In particular, B. amyloliquefaciens Y138-6 BLIS exhibited broad antibacterial activity, high resistance to acid-base stress, and excellent thermal stability. This antibacterial substance inhibited the growth of aerobic bacteria and fungi on the walls of cheese and ripening rooms. These antibacterial properties have been shown to increase food safety and have the potential for use as biopreservatives. Moreover, considering that the execution of the ATPS requires only salts and PEG, it is a simple, environmentally friendly, and cost-effective process and may have industrial applications in the recovery of BLIS from fermentation broth.
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Affiliation(s)
| | | | | | | | - Mi-Hwa Oh
- Animal Products Utilization Division, National Institute of Animal Science, RDA, Wanju 55365, Republic of Korea; (J.-H.K.); (E.-S.L.); (B.-M.K.); (J.-S.H.)
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Alajlani M. Characterization of Antimicrobial Peptide Produced by Bacillus Subtilis Subsp. Subtilis.. [DOI: 10.21203/rs.3.rs-2856256/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Abstract
Abstract
Purpose: Antimicrobial peptides are amongst the most promising class of peptides to contract the rise of global antimicrobial resistant. This article investigates a new antimicrobial peptide from bacteria.Methods: Bacterial identification was based on phenotypical and biochemical properties as well as 16S rRNA gene sequence homology. Bacterial growth and production of the inhibitory substance was standardized and optimized. The newly antimicrobial peptide was purified to homogeneity, subsequently analyzed by PAGE and MALDI-TOF-MS.Results: The bacterium identified as Bacillus subtilis subsp. subtilis and designated as strain MZ-32. Landy medium was best for the production when compared with different media after fixing the least influential variables in standardized fermentation conditions. Carbohydrate and nitrogen supplements investigated to improve production in Landy medium. The antimicrobial peptide of 2.158-Da was active against a broad range of skin-born pathogenic bacteria that were resistant to standard antibiotics, and possessed the physico-chemical properties of an ideal antimicrobial agent in terms of water solubility, thermal resistance, and stability towards acid/alkali (pH 4.0 to 9.0) treatments.Conclusion: The new strain and its associated peptide are potentially new candidates for medical and biotechnological applications.
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Vaca J, Ortiz A, Sansinenea E. A study of bacteriocin like substances comparison produced by different species of Bacillus related to B. cereus group with specific antibacterial activity against foodborne pathogens. Arch Microbiol 2022; 205:13. [PMID: 36463345 DOI: 10.1007/s00203-022-03356-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/08/2022] [Accepted: 11/25/2022] [Indexed: 12/07/2022]
Abstract
The antibiotic-resistant bacteria are emerging as a great threat worldwide. For this reason it is important to develop new antibiotic substances. Bacillus is considered as a factory of a wide range of chemical compounds with a variety of activities. Among these substances are bacteriocins which are small peptides showing stability in a wide range of pH and temperatures and having a potent antibacterial activity. Bacillus species can be grouped into families such as B. cereus group based on their genetic similarity. It can be helpful to study the bacteriocins presented in these related species identifying the differences and similarities between them to relate the presence of a given bacteriocin with the producer specie. The aim of this study was to isolate the bacteriocins from three related species of B. cereus group such as B. mycoides, B. weihenstephanensis and B. toyonensis and compare among them and with the bacteriocins isolated from B. velezensis. Besides it was analyzed the bactericidal activity of each isolated bacteriocin. Five different bacteriocins of similar molecular mass and specific against foodborne pathogens were isolated from three Bacillus species related to B. cereus group, that were quite different both in molecular mass and bactericidal activity from that was isolated from B. velezensis. The results indicated that bacteriocins can be distinguished according to Bacillus specie from it has been isolated.
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Affiliation(s)
- Jessica Vaca
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, CP, 72590, Puebla, Puebla, México
| | - Aurelio Ortiz
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, CP, 72590, Puebla, Puebla, México
| | - Estibaliz Sansinenea
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, CP, 72590, Puebla, Puebla, México.
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Sansinenea E. Microorganisms: a problem or a solution in our current life? Future Microbiol 2022; 17:1433-1435. [DOI: 10.2217/fmb-2021-0294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Affiliation(s)
- Estibaliz Sansinenea
- Facultad De Ciencias Químicas, Benemérita Universidad Autónoma De Puebla, Puebla, Pue, 72590, México
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Zhao J, Zhou Z, Bai X, Zhang D, Zhang L, Wang J, Wu B, Zhu J, Yang Z. A novel of new class II bacteriocin from Bacillus velezensis HN-Q-8 and its antibacterial activity on Streptomyces scabies. Front Microbiol 2022; 13:943232. [PMID: 35966655 PMCID: PMC9372549 DOI: 10.3389/fmicb.2022.943232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 06/28/2022] [Indexed: 11/23/2022] Open
Abstract
Potato common scab is a main soil-borne disease of potato that can significantly reduce its quality. At present, it is still a challenge to control potato common scab in the field. To address this problem, the 972 family lactococcin (Lcn972) was screened from Bacillus velezensis HN-Q-8 in this study, and an Escherichia coli overexpression system was used to obtain Lcn972, which showed a significant inhibitory effect on Streptomyces scabies, with a minimum inhibitory concentration of 10.58 μg/mL. The stability test showed that Lcn972 is stable against UV radiation and high temperature. In addition, long-term storage at room temperature and 4°C had limited effects on its activity level. The antibacterial activity of Lcn972 was enhanced by Cu2+ and Ca2+, but decreased by protease K. The protein was completely inactivated by Fe2+. Cell membrane staining showed that Lcn972 damaged the cell membrane integrity of S. scabies. Scanning electron microscope (SEM) and transmission electron microscope (TEM) observations revealed that the hyphae of S. scabies treated with Lcn972 were deformed and adhered, the cell membrane was incomplete, the cytoplasm distribution was uneven, and the cell appeared hollow inside, which led to the death of S. scabies. In conclusion, we used bacteriocin for controlling potato common scab for the first time in this study, and it provides theoretical support for the further application of bacteriocin in the control of plant diseases.
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Affiliation(s)
- Jing Zhao
- College of Plant Protection, Hebei Agricultural University, Baoding, China
- Technological Innovation Center for Biological Control of Crop Diseases and Insect Pests of Hebei Province, Baoding, China
| | - Zhijun Zhou
- Experimental Training Center of Hebei Agricultural University, Baoding, China
| | - Xuefei Bai
- College of Plant Protection, Hebei Agricultural University, Baoding, China
- Technological Innovation Center for Biological Control of Crop Diseases and Insect Pests of Hebei Province, Baoding, China
| | - Dai Zhang
- College of Plant Protection, Hebei Agricultural University, Baoding, China
- Technological Innovation Center for Biological Control of Crop Diseases and Insect Pests of Hebei Province, Baoding, China
| | - Likui Zhang
- College of Environmental Science, Yangzhou University, Yangzhou, China
| | - Jinhui Wang
- College of Plant Protection, Hebei Agricultural University, Baoding, China
- Technological Innovation Center for Biological Control of Crop Diseases and Insect Pests of Hebei Province, Baoding, China
| | - Beibei Wu
- College of Plant Protection, Hebei Agricultural University, Baoding, China
- Technological Innovation Center for Biological Control of Crop Diseases and Insect Pests of Hebei Province, Baoding, China
| | - Jiehua Zhu
- College of Plant Protection, Hebei Agricultural University, Baoding, China
- Technological Innovation Center for Biological Control of Crop Diseases and Insect Pests of Hebei Province, Baoding, China
- *Correspondence: Jiehua Zhu,
| | - Zhihui Yang
- College of Plant Protection, Hebei Agricultural University, Baoding, China
- Technological Innovation Center for Biological Control of Crop Diseases and Insect Pests of Hebei Province, Baoding, China
- Zhihui Yang,
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