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Xia J, Ge C, Yao H. Antimicrobial peptides: An alternative to antibiotic for mitigating the risks of Antibiotic resistance in aquaculture. Environ Res 2024; 251:118619. [PMID: 38442817 DOI: 10.1016/j.envres.2024.118619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 02/26/2024] [Accepted: 03/01/2024] [Indexed: 03/07/2024]
Abstract
The utilization of antibiotics increases the prevalence of antibiotic resistance genes (ARGs) in various matrices and poses the potential risk of ARG transmission, garnering global attention. Antimicrobial peptides (AMPs) represent a promising novel category of antimicrobials that may address the urgent issue of antibiotic resistance. Here, a zebrafish cultivation assay in which zebrafish were fed a diet supplemented with AMP (Cecropin A) or antibiotics was conducted to determine the effects of the intervention on the microorganisms and antibiotic resistance spectrum in zebrafish gut samples. Cecropin A treatment decreased the α-diversity of the microbiota. Moreover, NMDS (nonmetric multidimensional scaling) results revealed that the β-diversity in the microbiota was more similar between the control (CK) and Cecropin A samples than between the antibiotic treatment groups. The absolute quantity of ARGs in the AMP treatment was less than that observed in the antibiotic treatment. The findings indicated that FFCH7168, Chitinibacter and Cetobacterium were the most significant biomarkers detected in the CK, Cecropin A and antibiotic treatments, respectively. Although the use of antibiotics notably enhanced the occurrence of multidrug-resistant bacteria, the application of Cecropin A did not lead to this phenomenon. The results indicated that the application of AMPs can effectively manage and control ARGs in aquaculture.
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Affiliation(s)
- Jing Xia
- Research Center for Environmental Ecology and Engineering, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, 430205, PR China
| | - Chaorong Ge
- Research Center for Environmental Ecology and Engineering, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, 430205, PR China
| | - Huaiying Yao
- Research Center for Environmental Ecology and Engineering, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, 430205, PR China; Ningbo Urban Environment Observation and Research Station, Chinese Academy of Sciences, Ningbo, 315800, PR China.
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Cellier G, Nordey T, Cortada L, Gauche M, Rasoamanana H, Yahiaoui N, Rébert E, Prior P, Chéron JJ, Poussier S, Pruvost O. Molecular Epidemiology of Ralstonia pseudosolanacearum Phylotype I Strains in the Southwest Indian Ocean Region and Their Relatedness to African Strains. Phytopathology 2023; 113:423-435. [PMID: 36399027 DOI: 10.1094/phyto-09-22-0355-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The increasing requirement for developing tools enabling fine strain traceability responsible for epidemics is tightly linked with the need to understand factors shaping pathogen populations and their environmental interactions. Bacterial wilt caused by the Ralstonia solanacearum species complex (RSSC) is one of the most important plant diseases in tropical and subtropical regions. Sadly, little, outdated, or no information on its epidemiology is reported in the literature, although alarming outbreaks are regularly reported as disasters. A large set of phylotype I isolates (n = 2,608) was retrieved from diseased plants in fields across the Southwest Indian Ocean (SWIO) and Africa. This collection enabled further assessment of the epidemiological discriminating power of the previously published RS1-MLVA14 scheme. Thirteen markers were validated and characterized as not equally informative. Most had little infra-sequevar polymorphism, and their performance depended on the sequevar. Strong correlation was found with a previous multilocus sequence typing scheme. However, 2 to 3% of sequevars were not correctly assigned through endoglucanase gene sequence. Discriminant analysis of principal components (DAPC) revealed four groups with strong phylogenetic relatedness to sequevars 31, 33, and 18. Phylotype I-31 isolates were highly prevalent in the SWIO and Africa, but their dissemination pathways remain unclear. Tanzania and Mauritius showed the greatest diversity of RSSC strains, as the four DAPC groups were retrieved. Mauritius was the sole territory harboring a vast phylogenetic diversity and all DAPC groups. More research is still needed to understand the high prevalence of phylotype I-31 at such a large geographic scale.
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Affiliation(s)
- Gilles Cellier
- Anses, Plant Health Laboratory, Saint Pierre, Reunion Island
| | | | - Laura Cortada
- East Africa Hub, International Institute of Tropical Agriculture (IITA), Nairobi, Kenya
- Nematology Section, Department of Biology, Ghent University, Ghent, Belgium
| | - Mirana Gauche
- University of Reunion Island, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
- CIRAD, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
| | - Hasina Rasoamanana
- University of Reunion Island, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
- CIRAD, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
| | - Noura Yahiaoui
- Anses, Plant Health Laboratory, Saint Pierre, Reunion Island
- University of Reunion Island, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
- CIRAD, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
| | - Emeline Rébert
- University of Reunion Island, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
- CIRAD, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
| | - Philippe Prior
- INRAE, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint-Pierre, Reunion Island
| | - Jean Jacques Chéron
- CIRAD, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
| | - Stéphane Poussier
- University of Reunion Island, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
| | - Olivier Pruvost
- CIRAD, UMR Peuplements végétaux et bioagresseurs en milieu tropical, Saint Pierre, Reunion Island
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Jose J, Éva C, Bozsó Z, Hamow KÁ, Fekete Z, Fábián A, Bánfalvi Z, Sági L. Global transcriptome and targeted metabolite analyses of roots reveal different defence mechanisms against Ralstonia solanacearum infection in two resistant potato cultivars. Front Plant Sci 2023; 13:1065419. [PMID: 36733596 PMCID: PMC9889091 DOI: 10.3389/fpls.2022.1065419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 12/19/2022] [Indexed: 06/18/2023]
Abstract
Ralstonia solanacearum (Rs), the causal agent of bacterial wilt disease in an unusually wide range of host plants, including potato (Solanum tuberosum), is one of the most destructive phytopathogens that seriously reduces crop yields worldwide. Identification of defence mechanisms underlying bacterial wilt resistance is a prerequisite for biotechnological approaches to resistance breeding. Resistance to Rs has been reported only in a few potato landraces and cultivars. Our in vitro inoculation bioassays confirmed that the cultivars 'Calalo Gaspar' (CG) and 'Cruza 148' (CR) are resistant to Rs infection. Comparative transcriptome analyses of CG and CR roots, as well as of the roots of an Rs-susceptible cultivar, 'Désirée' (DES), were carried out two days after Rs infection, in parallel with their respective noninfected controls. In CR and DES, the upregulation of chitin interactions and cell wall-related genes was detected. The phenylpropanoid biosynthesis and glutathione metabolism pathways were induced only in CR, as confirmed by high levels of lignification over the whole stele in CR roots six days after Rs infection. At the same time, Rs infection greatly increased the concentrations of chlorogenic acid and quercetin derivatives in CG roots as it was detected using ultra-performance liquid chromatography - tandem mass spectrometry. Characteristic increases in the expression of MAP kinase signalling pathway genes and in the concentrations of jasmonic, salicylic, abscisic and indoleacetic acid were measured in DES roots. These results indicate different Rs defence mechanisms in the two resistant potato cultivars and a different response to Rs infection in the susceptible cultivar.
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Affiliation(s)
- Jeny Jose
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
- Doctoral School of Plant Sciences, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary
| | - Csaba Éva
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
| | - Zoltán Bozsó
- Plant Protection Institute, Centre for Agricultural Research, Budapest, Hungary
| | - Kamirán Áron Hamow
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
- Doctoral School of Plant Sciences, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary
| | - Zsófia Fekete
- Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary
| | - Attila Fábián
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
| | - Zsófia Bánfalvi
- Institute of Genetics and Biotechnology, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary
| | - László Sági
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
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Mamphogoro TP, Babalola OO, Aiyegoro OA. Sustainable management strategies for bacterial wilt of sweet peppers (Capsicum annuum) and other Solanaceous crops. J Appl Microbiol 2020; 129:496-508. [PMID: 32248611 DOI: 10.1111/jam.14653] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 03/26/2020] [Accepted: 03/26/2020] [Indexed: 11/26/2022]
Abstract
Pepper bacterial wilt is caused by the bacterial pathogen, Ralstonia solanacearum. It is the most destructive disease of many Solanaceous crops such as potatoes, tobacco, pepper, tomatoes and eggplant and is a significant source of crop loss worldwide. Physical, cultural and chemical controls have been employed to combat this destructive disease. However, none of these strategies has been able to control the disease completely due to the broad host range and genetic diversity of the pathogen, its prolonged survival in the soil and survival on vegetation as a latent infection. Owing to co-management strategies, biological control is the best approach for human health and environmental friendly motivations. It makes use of various antagonistic rhizobacteria and epiphytic species such as Bacillus cereus, Pseudomonas putida, Bacillus subtilis, Paenibacillus macerans, Serratia marcescens, Bacillus pumilus and Pseudomonas fluorescens, which compete with and ultimately inhibit the growth of the pathogen. The possible mechanisms of biocontrol by these species involve multifaceted interactions between the host, pathogen and the antagonists. These can involve competition for nutrients and space, plant-mediated systemic resistance, siderophore production and production of extracellular cell wall degrading enzymes to inhibit or suppress the growth of the bacterial wilt agent.
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Affiliation(s)
- T P Mamphogoro
- Gastro-Intestinal Microbiology and Biotechnology Unit, Agricultural Research Council-Animal Production, Irene, South Africa.,Food Security and Safety Niche Area, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa
| | - O O Babalola
- Food Security and Safety Niche Area, Faculty of Natural and Agricultural Sciences, North-West University, Mmabatho, South Africa
| | - O A Aiyegoro
- Gastro-Intestinal Microbiology and Biotechnology Unit, Agricultural Research Council-Animal Production, Irene, South Africa
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Uwamahoro F, Berlin A, Bucagu C, Bylund H, Yuen J. Potato bacterial wilt in Rwanda: occurrence, risk factors, farmers’ knowledge and attitudes. Food Secur 2018; 10:1221-35. [DOI: 10.1007/s12571-018-0834-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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