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Mesquita E, Hu S, Lima TB, Golo PS, Bidochka MJ. Utilization of Metarhizium as an insect biocontrol agent and a plant bioinoculant with special reference to Brazil. FRONTIERS IN FUNGAL BIOLOGY 2023; 4:1276287. [PMID: 38186633 PMCID: PMC10768067 DOI: 10.3389/ffunb.2023.1276287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 11/30/2023] [Indexed: 01/09/2024]
Abstract
Brazil has a long history of using biological control and has the largest program in sugarcane agriculture to which a biocontrol program has been applied. This achievement is at least partly due to the utilization of the entomopathogenic fungus Metarhizium. This well-known fungal genus exhibits pathogenicity against a broad range of arthropod hosts and has been used globally as a biocontrol agent. This fungus is also a root symbiont, and in this capacity, it is a plant growth promoter. However, this feature (i.e., as a plant symbiont) has yet to be fully explored and implemented in Brazil, although the number of reports demonstrating Metarhizium's utility as a plant bioinoculant is increasing. The Brazilian bioproduct industry targets agricultural pests, and is limited to two Metarhizium species represented by four fungal isolates as active ingredients. Entomopathogenic fungi have also been successful in controlling arthropods of public health concern, as shown in their control of mosquitoes, which are vectors of diseases. The isolation of new indigenous Metarhizium isolates from a variety of substrates such as soil, insects, and plants shows the wide genetic diversity within this fungal genus. In this review, we emphasize the significance of Metarhizium spp. for the biological control of insects in Brazil. We also suggest that the experience and success of biological control with fungi in Brazil is an important resource for developing integrated pest management and sustainable strategies for pest control worldwide. Moreover, the future implementation prospects of species of Metarhizium being used as bioinoculants and possible new advances in the utility of this fungus are discussed.
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Affiliation(s)
- Emily Mesquita
- Department of Biological Sciences, Brock University, St. Catharines, ON, Canada
| | - Shasha Hu
- Department of Biological Sciences, Brock University, St. Catharines, ON, Canada
| | - Tais B. Lima
- Department of Biological Sciences, Brock University, St. Catharines, ON, Canada
| | - Patricia Silva Golo
- Department of Animal Parasitology, Veterinary Institute, Federal Rural University of Rio de Janeiro, Seropedica, RJ, Brazil
| | - Michael J. Bidochka
- Department of Biological Sciences, Brock University, St. Catharines, ON, Canada
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Rodríguez-Durán A, Ullah S, Parizi LF, Ali A, da Silva Vaz Junior I. Rabbits as Animal Models for Anti-Tick Vaccine Development: A Global Scenario. Pathogens 2023; 12:1117. [PMID: 37764925 PMCID: PMC10536012 DOI: 10.3390/pathogens12091117] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Studies evaluating candidate tick-derived proteins as anti-tick vaccines in natural hosts have been limited due to high costs. To overcome this problem, animal models are used in immunization tests. The aim of this article was to review the use of rabbits as an experimental model for the evaluation of tick-derived proteins as vaccines. A total of 57 tick proteins were tested for their immunogenic potential using rabbits as models for vaccination. The most commonly used rabbit breeds were New Zealand (73.8%), Japanese white (19%), Californians (4.8%) and Flemish lop-eared (2.4%) rabbits. Anti-tick vaccines efficacy resulted in up to 99.9%. Haemaphysalis longicornis (17.9%) and Ornithodoros moubata (12.8%) were the most common tick models in vaccination trials. Experiments with rabbits have revealed that some proteins (CoAQP, OeAQP, OeAQP1, Bm86, GST-Hl, 64TRP, serpins and voraxin) can induce immune responses against various tick species. In addition, in some cases it was possible to determine that the vaccine efficacy in rabbits was similar to that of experiments performed on natural hosts (e.g., Bm86, IrFER2, RmFER2, serpins and serine protease inhibitor). In conclusion, results showed that prior to performing anti-tick vaccination trials using natural hosts, rabbits can be used as suitable experimental models for these studies.
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Affiliation(s)
- Arlex Rodríguez-Durán
- Centro de Biotecnologia, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970, RS, Brazil; (A.R.-D.); (S.U.); (L.F.P.)
- Programa de Pós-Graduação em Ciências Veterinária, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9090, Porto Alegre 91540-000, RS, Brazil
- Grupo de Investigación Parasitología Veterinaria, Laboratorio de Parasitología Veterinaria, Universidad Nacional de Colombia, Carrera 45 No. 26-85, Bogotá 110911, Colombia
| | - Shafi Ullah
- Centro de Biotecnologia, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970, RS, Brazil; (A.R.-D.); (S.U.); (L.F.P.)
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Khyber Pakhtunkhwa, Pakistan;
| | - Luís Fernando Parizi
- Centro de Biotecnologia, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970, RS, Brazil; (A.R.-D.); (S.U.); (L.F.P.)
| | - Abid Ali
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Khyber Pakhtunkhwa, Pakistan;
| | - Itabajara da Silva Vaz Junior
- Centro de Biotecnologia, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970, RS, Brazil; (A.R.-D.); (S.U.); (L.F.P.)
- Faculdade de Veterinária, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9090, Porto Alegre 91540-000, RS, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular (INCT-EM), Rio de Janeiro 21941-853, RJ, Brazil
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