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de Menezes Souza J, de Menezes Fonseca D, Pinheiro de Souza J, Cordeiro do Nascimento L, Mendes Hughes F, Pereira Bezerra JD, Góes-Neto A, Ferreira-Silva A. Cactus Endophytic Fungi and Bioprospecting for their Enzymes and Bioactive Molecules: A Systematic Review. Chem Biodivers 2023; 20:e202301413. [PMID: 37934008 DOI: 10.1002/cbdv.202301413] [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: 09/12/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/08/2023]
Abstract
Endophytic fungi are associated with plant health and represent a remarkable source of potential of enzymes and bioactive compounds, but the diversity of endophytes remains uncertain and poorly explored, especially in Cactaceae, one of the most species-rich families adapted to growing in arid and semi-arid regions. The aim of this study was to conduct a systematic review on the diversity and bioprospecting of endophytic fungi from Cactaceae. We analysed peer-reviewed articles from seven databases using PRISMA guidelines. The results showed that the Cactaceae family is a source of new taxa, but the diversity of endophytic fungi of Cactaceae is little explored, mainly the diversity among tissues and by metagenomics. Bioprospecting studies have shown that these microorganisms can be used in the production of enzymes and larvicidal and antifungal compounds. Our results are relevant as a starting point for researchers to develop studies that expand the knowledge of plant mycobiota in arid and semi-arid ecosystems, as well as comprising a remarkable source of fungal compounds with several biotechnological applications.
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Affiliation(s)
- Jeferson de Menezes Souza
- Graduate Program in Biotechnology, Universidade Estadual de Feira de Santana, Feira de Santana City, 44036-900, Bahia State, Brazil
| | | | - Jaciara Pinheiro de Souza
- Graduate Program in Pharmaceutical Sciences, Universidade Federal de Sergipe, Aracaju City, 41100-000, Sergipe State, Brazil
| | - Luciana Cordeiro do Nascimento
- Agricultural Sciences Center, Department of Phytotechnics and Environmental Sciences, Universidade Federal da Paraíba, Areia City, 58397-000, Paraíba State, Brazil
| | - Frederic Mendes Hughes
- Conselho de Curadores das Coleções Científicas and Graduate Program in Zoology, Universidade Estadual de Santa Cruz, Ilhéus City, 45662-900, Bahia State, Brazil
| | - Jadson Diogo Pereira Bezerra
- Departament of Biosciences and Technology, Institute of Tropical Pathology and Public Health, Universidade Federal de Goiás, Goiânia City, 74605-050, Goiás State, Brazil
| | - Aristóteles Góes-Neto
- Department of Microbiology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte City, 31270-901, Minas Gerais State, Brazil
| | - Alice Ferreira-Silva
- Agricultural Sciences Center, Department of Phytotechnics and Environmental Sciences, Universidade Federal da Paraíba, Areia City, 58397-000, Paraíba State, Brazil
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Qin Y, Liu X, Peng G, Xia Y, Cao Y. Recent Advancements in Pathogenic Mechanisms, Applications and Strategies for Entomopathogenic Fungi in Mosquito Biocontrol. J Fungi (Basel) 2023; 9:746. [PMID: 37504734 PMCID: PMC10381795 DOI: 10.3390/jof9070746] [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: 06/25/2023] [Revised: 07/11/2023] [Accepted: 07/11/2023] [Indexed: 07/29/2023] Open
Abstract
Fungal diseases are widespread among insects and play a crucial role in naturally regulating insect populations. Mosquitoes, known as vectors for numerous infectious diseases, pose a significant threat to human health. Entomopathogenic fungi (EPF) have emerged as highly promising alternative agents to chemical mosquitocides for controlling mosquitoes at all stages of their life cycle due to their unique infection pathway through direct contact with the insect's cuticle. In recent years, significant advancements have been made in understanding the infection pathways and pathogenic mechanisms of EPF against mosquitoes. Various strategies involving the use of EPF alone or combinations with other approaches have been employed to target mosquitoes at various developmental stages. Moreover, the application of genetic technologies in fungi has opened up new avenues for enhancing the mosquitocidal efficacy of EPF. This review presents a comprehensive summary of recent advancements in our understanding the pathogenic mechanisms of EPF, their applications in mosquito management, and the combination of EPF with other approaches and employment of transgenic technologies. The biosafety concerns associated with their use and the corresponding approaches are also discussed. The recent progress suggests that EPF have the potential to serve as a future biorational tool for controlling mosquito vectors.
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Affiliation(s)
- Yujie Qin
- School of Life Sciences, Chongqing University, Chongqing 401331, China
- Chongqing Engineering Research Center for Fungal Insecticides, Chongqing 401331, China
- Key Laboratory of Gene Function and Regulation Technologies, Chongqing Municipal Education Commission, Chongqing 401331, China
| | - Xiaoyu Liu
- School of Life Sciences, Chongqing University, Chongqing 401331, China
- Chongqing Engineering Research Center for Fungal Insecticides, Chongqing 401331, China
- Key Laboratory of Gene Function and Regulation Technologies, Chongqing Municipal Education Commission, Chongqing 401331, China
| | - Guoxiong Peng
- School of Life Sciences, Chongqing University, Chongqing 401331, China
- Chongqing Engineering Research Center for Fungal Insecticides, Chongqing 401331, China
- Key Laboratory of Gene Function and Regulation Technologies, Chongqing Municipal Education Commission, Chongqing 401331, China
| | - Yuxian Xia
- School of Life Sciences, Chongqing University, Chongqing 401331, China
- Chongqing Engineering Research Center for Fungal Insecticides, Chongqing 401331, China
- Key Laboratory of Gene Function and Regulation Technologies, Chongqing Municipal Education Commission, Chongqing 401331, China
| | - Yueqing Cao
- School of Life Sciences, Chongqing University, Chongqing 401331, China
- Chongqing Engineering Research Center for Fungal Insecticides, Chongqing 401331, China
- Key Laboratory of Gene Function and Regulation Technologies, Chongqing Municipal Education Commission, Chongqing 401331, China
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Ragavendran C, Balasubramani G, Tijo C, Manigandan V, Kweka EJ, Karthika P, Sivasankar P, Thomas A, Natarajan D, Nakouti I, Malafaia G. Cladophialophora bantiana metabolites are efficient in the larvicidal and ovicidal control of Aedes aegypti, and Culex quinquefasciatus and have low toxicity in zebrafish embryo. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 852:158502. [PMID: 36058332 DOI: 10.1016/j.scitotenv.2022.158502] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
Mosquitoes' current insecticide resistance status in available public health insecticides is a serious threat to mosquito control initiatives. Microbe-based control agents provide an alternative to conventional pesticides and insecticides, as they can be more targeted than synthetic insecticides. The present study was focused on identifying and investigating the mosquitocidal potential of Cladophialophora bantiana, an endophytic fungus isolated from Opuntia ficus-indica. The Cladophialophora species was identified through phylogenetic analysis of the rDNA sequence. The isolated fungus was first evaluated for its potential to produce metabolites against Aedes aegpti and Culex quinquefasciatus larvae in the 1-4th instar. The secondary metabolites of mycelium extract were assessed at various test doses (100, 200, 300, 400, and 500 μg/mL) in independent bioassays for each instar of selected mosquito larvae. After 48 h of exposure, A. aegypti expressed LC50 values of 13.069, 18.085, 9.554, and 11.717 μg/mL and LC90 = 25.702, 30.860, 17.275, and 19.601 μg/mL; followed by C. quinquefasciatus LC50 = 14.467, 11.766, 5.934, and 7.589 μg/mL, and LC90 = 29.529, 20.767, 11.192, and 13.296 μg/mL. The mean % of ovicidal bioassay was recorded 120 h after exposure. The hatchability (%) was proportional to mycelia metabolite concentration. The enzymatic level of acetylcholinesterase in fungal mycelial metabolite treated 4th instar larvae indicated a dose-dependent pattern. The GC-MS profile of C. bantiana extracts identified five of the most abundant compounds, namely cyclobutane, trans-3-undecene-1,5-diyne, 1-bromo-2-chloro, propane, 1,2,3-trichloro-2-methyl-, 5,5,10,10-tetrachlorotricyclo, and phenol, which had the killing effect in mosquitoes. Furthermore, the C. bantiana fungus ethyl acetate extracts had a strong larvicidal action on A. aegypti and C. quinquefasciatus. Finally, the toxicity test on zebrafish embryos revealed the induction of malformations only at concentrations above 1 mg/mL. Therefore, our study pioneered evidence that C. bantiana fungal metabolites effectively control A. aegypti and C. qunquefasciastus and show less lethality in zebrafish embryos at concentrations up to 500 μg/mL.
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Affiliation(s)
- Chinnasamy Ragavendran
- Natural Drug Research Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem 636 011, Tamil Nadu, India; Department of Cariology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600 077, India.
| | - Govindasamy Balasubramani
- Department of Research and Innovation, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 602105, Tamil Nadu, India
| | - Cherian Tijo
- Department of Ocean Studies and Marine Biology, Pondicherry University, Port Blair Campus, Brookshabad, Port Blair, Andamans 744112, India
| | | | - Eliningaya J Kweka
- Division of Livestock and Human Diseases Vector Control, Tropical Pesticides Research Institute, P.O. Box 3024, Arusha, Tanzania; Department of Medical Parasitology and Entomology, Catholic University of Health and Allied Sciences, P.O. Box 1464, Mwanza, Tanzania
| | - Pandi Karthika
- Natural Drug Research Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem 636 011, Tamil Nadu, India
| | - Palaniappan Sivasankar
- Water Supply and Bioeconomy Division, Faculty of Environmental Engineering and Energy, Poznan University of Technology, Berdychowo 4, 60-965 Poznan, Poland
| | - Adelina Thomas
- School of Pharmacy, Catholic University of Health and Allied Sciences, P.O. Box 1464, Mwanza, Tanzania
| | - Devarajan Natarajan
- Natural Drug Research Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem 636 011, Tamil Nadu, India
| | - Ismini Nakouti
- Centre for Natural Products Discovery (CNPD), School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Guilherme Malafaia
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil.
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