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Botero J, Peeters C, De Canck E, Laureys D, Wieme AD, Cleenwerck I, Depoorter E, Praet J, Michez D, Smagghe G, Vandamme P. A comparative genomic analysis of Fructobacillus evanidus sp. nov. from bumble bees. Syst Appl Microbiol 2024; 47:126505. [PMID: 38564984 DOI: 10.1016/j.syapm.2024.126505] [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: 01/18/2024] [Revised: 03/08/2024] [Accepted: 03/18/2024] [Indexed: 04/04/2024]
Abstract
The increase in studies on bee microbiomes is prompted by concerns over global pollinator declines. Bumble bees host core and non-core microbiota which may contribute to increased lifetime fitness. The presence of Fructobacillus in the gut microbiomes of bumble bee workers, or the replacement of core symbionts with Fructobacillus bacteria, has been considered a marker of dysbiosis. A phylogenomic analysis and functional genomic characterization of the genomes of 21 Fructobacillus isolates from bumble bees demonstrated that they represented four species, i.e. Fructobacillus cardui, Fructobacillus fructosus, Fructobacillus tropaeoli, and the novel species Fructobacillus evanidus sp. nov. Our results confirmed and substantiated the presence of two phylogenetically and functionally distinct Fructobacillus species clades that differ in genome size, percentage G + C content, the number of coding DNA sequences and metabolic characteristics. Clade 1 and clade 2 species differed in amino acid and, to a lesser extent, in carbohydrate metabolism, with F. evanidus and F. tropaeoli genomes featuring a higher number of complete metabolic pathways. While Fructobacillus genomes encoded genes that allow adhesion, biofilm formation, antibacterial activity and detoxification, other bacteria isolated from the bumble bee gut appeared better equipped to co-exist with the bumble bee host. The isolation and identification of multiple Fructobacillus species from several bumble bee gut samples in the present study also argued against a specific partnership between Fructobacillus species and their bumble bee hosts.
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Affiliation(s)
- Juliana Botero
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium
| | - Charlotte Peeters
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium
| | - Evelien De Canck
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium
| | - David Laureys
- Innovation Centre for Brewing & Fermentation, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Anneleen D Wieme
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium; BCCM/LMG Bacteria Collection, Laboratory of Microbiology, Department of Biochemistry and Microbiology, Faculty of Sciences, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium
| | - Ilse Cleenwerck
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium; BCCM/LMG Bacteria Collection, Laboratory of Microbiology, Department of Biochemistry and Microbiology, Faculty of Sciences, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium
| | - Eliza Depoorter
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium
| | - Jessy Praet
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium
| | - Denis Michez
- Laboratory of Zoology, Research Institute for Biosciences, University of Mons, Place du parc 20, 7000 Mons, Belgium
| | - Guy Smagghe
- Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Peter Vandamme
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium; BCCM/LMG Bacteria Collection, Laboratory of Microbiology, Department of Biochemistry and Microbiology, Faculty of Sciences, Ghent University, K. L. Ledeganckstraat 35, 9000 Ghent, Belgium.
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De Simone N, Rocchetti MT, la Gatta B, Spano G, Drider D, Capozzi V, Russo P, Fiocco D. Antimicrobial Properties, Functional Characterisation and Application of Fructobacillus fructosus and Lactiplantibacillus plantarum Isolated from Artisanal Honey. Probiotics Antimicrob Proteins 2023; 15:1406-1423. [PMID: 36173591 PMCID: PMC10491547 DOI: 10.1007/s12602-022-09988-4] [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] [Accepted: 08/26/2022] [Indexed: 11/26/2022]
Abstract
Honey is a valuable reservoir of lactic acid bacteria (LAB) and, particularly, of fructophilic LAB (FLAB), a relatively novel subgroup of LAB whose functional potential for human and food application has yet to be explored. In this study, FLAB and LAB strains have been isolated from honeys of different floral origins and selected for their broad antimicrobial activity against typical foodborne pathogenic bacteria and spoilage filamentous fungi. The best candidates, two strains belonging to the species Lactiplantibacillus plantarum and Fructobacillus fructosus, were submitted to partial characterisation of their cell free supernatants (CFS) in order to identify the secreted metabolites with antimicrobial activity. Besides, these strains were examined to assess some major functional features, including in vitro tolerance to the oro-gastrointestinal conditions, potential cytotoxicity against HT-29 cells, adhesion to human enterocyte-like cells and capability to stimulate macrophages. Moreover, when the tested strains were applied on table grapes artificially contaminated with pathogenic bacteria or filamentous fungi, they showed a good ability to antagonise the growth of undesired microbes, as well as to survive on the fruit surface at a concentration that is recommended to develop a probiotic effect. In conclusion, both LAB and FLAB honey-isolated strains characterised in this work exhibit functional properties that validate their potential use as biocontrol agents and for the design of novel functional foods. We reported antimicrobial activity, cytotoxic evaluation, probiotic properties and direct food application of a F. fructosus strain, improving the knowledge of this species, in particular, and on FLAB, more generally.
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Affiliation(s)
- Nicola De Simone
- Department of Agriculture Food Natural Science Engineering (DAFNE), University of Foggia, via Napoli 25, 71122, Foggia, Italy
| | - Maria Teresa Rocchetti
- Department of Clinical and Experimental Medicine, University of Foggia, via Pinto 1, 71122, Foggia, Italy
| | - Barbara la Gatta
- Department of Agriculture Food Natural Science Engineering (DAFNE), University of Foggia, via Napoli 25, 71122, Foggia, Italy
| | - Giuseppe Spano
- Department of Agriculture Food Natural Science Engineering (DAFNE), University of Foggia, via Napoli 25, 71122, Foggia, Italy
| | - Djamel Drider
- UMR Transfrontalière BioEcoAgro N° 1158, Univ. Lille, INRAE, Univ. Liège, UPJV, YNCREA, Univ. Artois, Univ. Littoral Côte d'Opale, ICV-Institut Charles Viollette, 59000, Lille, France
| | - Vittorio Capozzi
- Institute of Sciences of Food Production, National Research Council (CNR) of Italy, c/o CS-DAT, Via Michele Protano, 71122, Foggia, Italy
| | - Pasquale Russo
- Department of Agriculture Food Natural Science Engineering (DAFNE), University of Foggia, via Napoli 25, 71122, Foggia, Italy.
| | - Daniela Fiocco
- Department of Clinical and Experimental Medicine, University of Foggia, via Pinto 1, 71122, Foggia, Italy.
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Ye M, Li X, Yang F, Zhou B. Beneficial bacteria as biocontrol agents for American foulbrood disease in honey bees (Apis mellifera). JOURNAL OF INSECT SCIENCE (ONLINE) 2023; 23:6. [PMID: 36947033 PMCID: PMC10032306 DOI: 10.1093/jisesa/iead013] [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: 05/08/2022] [Revised: 01/30/2023] [Accepted: 03/05/2023] [Indexed: 06/18/2023]
Abstract
American foulbrood (AFB) is a cosmopolitan bacterial disease that affects honey bee (Apis mellifera) larvae and causes great economic losses in apiculture. Currently, no satisfactory methods are available for AFB treatment mainly due to the difficulties to eradicate the tenacious spores produced by the etiological agent of AFB, Paenibacillus larvae (Bacillales, Paenibacillaceae). This present review focused on the beneficial bacteria that displayed antagonistic activities against P. larvae and demonstrated potential in AFB control. Emphases were placed on commensal bacteria (genus Bacillus and lactic acid bacteria in particular) in the alimentary tract of honey bees. The probiotic roles lactic acid bacteria play in combating the pathogenic P. larvae and the limitations referring to the application of these beneficial bacteria were addressed.
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Affiliation(s)
- Manhong Ye
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, Jiangsu Province, China
- Joint International Research Laboratory of Agricultural & Agri-Product Safety, Yangzhou University, Yangzhou 225009, Jiangsu Province, China
| | - Xiaoyuan Li
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, Jiangsu Province, China
| | - Fengping Yang
- College of Bioscience and Biotechnology, Yangzhou University, Yangzhou 225009, Jiangsu Province, China
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