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Choi S, Lee SH, Hwang BS, Oh YT, Jeon J. Antifungal Activity-Guided Analysis of Actinostemma lobatum Extracts through Serial Sub-fractions. THE PLANT PATHOLOGY JOURNAL 2024; 40:218-224. [PMID: 38606450 PMCID: PMC11016561 DOI: 10.5423/ppj.nt.11.2023.0152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 01/30/2024] [Accepted: 03/06/2024] [Indexed: 04/13/2024]
Abstract
Plants are treasure trove of novel compounds that have potential for antifungal chemicals and drugs. In our previous study, we had screened plant extracts obtained from more than eight hundred plant materials collected in Korea, and found that butanol fraction of the Actinostemma lobatum were most potent in suppressing growth of diverse fungal pathogens of plants. Here in this study, we describe further analysis of the butanol fraction, and summarize the results of subsequent antifungal activity test for the sub-fractions against a selected set of plant pathogenic fungi. This line of analyses allowed us to identify the sub-fractions that could account for a significant proportion of observed antifungal activity of initial butanol fraction from A. lobatum. Further analysis of these sub-fractions and determination of structure would provide the shortlist for novel compounds that can be a lead to new agrochemicals.
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Affiliation(s)
- Seonwoo Choi
- Department of Biotechnology, College of Life and Applied Sciences, Yeungnam University, Gyeongsan 38541, Korea
| | - Song Hee Lee
- Plant Immunity Research Center, Seoul National University, Seoul 08826, Korea
| | - Byeong Su Hwang
- Animal and Plant Research Department, Nakdonggang National Institute of Biological Resources, Sangju 37242, Korea
| | - Young Taek Oh
- Animal and Plant Research Department, Nakdonggang National Institute of Biological Resources, Sangju 37242, Korea
| | - Junhyun Jeon
- Department of Biotechnology, College of Life and Applied Sciences, Yeungnam University, Gyeongsan 38541, Korea
- Plant Immunity Research Center, Seoul National University, Seoul 08826, Korea
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Iglesias-Guevara D, Sánchez-Torres P. Characterization of antifungal properties of avocado leaves and majagua flowers extracts and their potential application to control Alternaria alternata. Int J Food Microbiol 2024; 413:110579. [PMID: 38277871 DOI: 10.1016/j.ijfoodmicro.2024.110579] [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: 10/26/2023] [Revised: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 01/28/2024]
Abstract
Plant extracts are used as an alternative to a wide range of foods against different types of fungal pathogens. In the present study, the extracts of avocado leaves (Persea americana) and majagua flowers (Talipariti elatum) were tested according to their antifungal activity against different fungi. The most promising extracts were those of majagua flowers that were applied lyophilized and in aqueous extract, being very effective against Alternaria alternata and reaching a 50 % in vitro reduction. Antifungal properties were also evaluated during infection of apples by A. alternata. A decrease in infection progression was confirmed with up to a 30 % reduction in disease incidence and a 20 % reduction in disease severity. Majagua extracts were also tested combined with edible pectin coatings, greatly increasing their effectiveness up 60 % reduction. Thus, extracts of majagua could provide a feasible alternative to control fungal pathogens during postharvest.
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Affiliation(s)
- Dairon Iglesias-Guevara
- Food Biotechnology Department, Instituto de Agroquímica y Tecnología de Alimentos (IATA), Consejo Superior de Investigaciones Científicas (CSIC), Catedrático Agustín Escardino Benlloch 7, 46980 Paterna, Valencia, Spain; Faculty of Pharmacy and Food (IFAL), Havana University, Havana, Cuba
| | - Paloma Sánchez-Torres
- Food Biotechnology Department, Instituto de Agroquímica y Tecnología de Alimentos (IATA), Consejo Superior de Investigaciones Científicas (CSIC), Catedrático Agustín Escardino Benlloch 7, 46980 Paterna, Valencia, Spain.
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Amin BH, Ayyat NM, Mohamed El-Sharkawy R, Hafez AM. Investigation of Antifungal Action of Fractions C 17H 31NO 15 Isolated from Artemisia herba-alba extract versus Isolated Aspergillus niger from Zee maize. RECENT ADVANCES IN ANTI-INFECTIVE DRUG DISCOVERY 2024; 19:159-172. [PMID: 37366361 DOI: 10.2174/2772434418666230627141639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 05/15/2023] [Accepted: 06/01/2023] [Indexed: 06/28/2023]
Abstract
BACKGROUND Plants are harmed by parasitic organisms, and toxic poisons are created. Phytopathogenic fungi create toxins that can severely harm plants' basic physiological functioning. OBJECTIVE Investigation of antifungal impact of various fractions of methanol extract of Artemisia herba-alba to Aspergillus niger as a plant pathogen. METHODS Artemisia herba-alba extract was purified using column chromatography, giving various antifungal fractions tested versus A. niger. RESULTS The 6th fraction give the highest inhibition zone with a diameter of 5.4 cm and MIC 125.02 ± 4.9 μg/ml, which was identified using Mass spectroscopy, 1HNMR, Elemental analysis as well as IR testing, revealing the chemical formula of the purified fraction. Ultrastructure alteration of treated A. niger was examined versus control using the transmission electron microscope. Purified fraction has tested versus normal cell line with minimal cytotoxicity. CONCLUSION These results revealed the possibility of using Artemisia herba-alba methanol extract as a promising antifungal versus phytopathogenic fungi, especially A. niger after more verification of results.
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Affiliation(s)
- Basma Hamdy Amin
- Department of Microbiology, The Regional Center for Mycology and Biotechnology, Al-Azhar University, 11787, Nasr City, Cairo, Egypt
| | - Nahed Mohammed Ayyat
- Botany and Microbiology Department, Faculty of Science, Benha University, Benha, Egypt
| | | | - Asmaa Mohamed Hafez
- Botany and Microbiology Department, Faculty of Science, Benha University, Benha, Egypt
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Nofal AM, Hamouda RA, Rizk A, El-Rahman MA, Takla AK, Galal H, Alqahtani MD, Alharbi BM, Elkelish A, Shaheen S. Polyphenols-Rich Extract of Calotropis procera Alone and in Combination with Trichoderma Culture Filtrate for Biocontrol of Cantaloupe Wilt and Root Rot Fungi. Molecules 2023; 29:139. [PMID: 38202721 PMCID: PMC10780250 DOI: 10.3390/molecules29010139] [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: 11/08/2023] [Revised: 12/11/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Fungal diseases have always been a major problem for cantaloupe crops; however, synthetic fungicides are hazardous to humans and the environment. Consequently, a feasible alternative to fungicides without side effects could be by using bio agents and naturally occurring plants with antibacterial potential. This study has achieved a novel procedure for managing wilt and root rot diseases by potentially using Trichoderma sp. culture filtrates in consortium with plant extract of Calotropis procera, Rhizoctonia solani, Fusarium oxysporum, and Pythium ultimum, which were isolated from infected cantaloupe roots with identified root rot symptoms. The antagonistic activity of four Trichoderma isolates and analysis of antibiotics and filtrate enzymes of the most active Trichoderma isolate were determined as well as phytochemical analysis of C. procera plant extract using HPLC-UV. The obtained results showed that all Trichoderma isolates considerably lowered the radial growth of P. ultimum, R. solani, and F. oxysporum in varying degrees. The scanning electron micrographs illustrate the mycoparasitic nature of Trichoderma sp. on F. oxysporum. The phytochemical analysis of C. procera indicated that phenolic contents were the major compounds found in extracts, such as vanillin (46.79%), chlorogenic acid (30.24%), gallic acid (8.06%), and daidzein (3.45%) but including only a low amount of the flavonoid compounds rutin, naringenin, and hesperetin. The Pot experiment's findings showed that cantaloupe was best protected against wilting and root rot diseases when it was treated with both Trichoderma sp. culture filtrates (10%) and C. procera extract of (15 mg/mL), both alone and in combination. This study demonstrates that the application of bio agent Trichoderma spp. filtrate with C. procera phenol extract appears useful for controlling wilting and root rot disease in cantaloupe. This innovative approach could be used as an alternative to chemical fungicide for the control of wilting and rot root diseases.
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Affiliation(s)
- Ashraf M. Nofal
- Sustainable Development Department, Environmental Studies and Research Institute, University of Sadat City, Sadat City 32897, Egypt; (A.M.N.); (M.A.E.-R.)
| | - Ragaa A. Hamouda
- Department of Biology, College of Sciences and Arts at Khulis, University of Jeddah, Jeddah 21959, Saudi Arabia
- Department of Microbial Biotechnology, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City, Sadat City 32897, Egypt
| | - Amira Rizk
- Food Science and Technology Department, Faculty of Agriculture, Tanta University, Tanta City 31527, Egypt;
| | - Mohamed Abd El-Rahman
- Sustainable Development Department, Environmental Studies and Research Institute, University of Sadat City, Sadat City 32897, Egypt; (A.M.N.); (M.A.E.-R.)
| | - Adel K. Takla
- Sustainable Development Department, Environmental Studies and Research Institute, University of Sadat City, Sadat City 32897, Egypt; (A.M.N.); (M.A.E.-R.)
| | - Hoda Galal
- Pomology, Evaluation of Natural Resources Department, Environmental Studies and Research Institute, University of Sadat City, Sadat City 32897, Egypt;
| | - Mashael Daghash Alqahtani
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Basmah M. Alharbi
- Biology Department, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | - Amr Elkelish
- Department of Biology, College of Science, Imam Muhammad bin Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia;
- Department of Botany and Microbiology, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt
| | - Sabery Shaheen
- Sustainable Development Department, Environmental Studies and Research Institute, University of Sadat City, Sadat City 32897, Egypt; (A.M.N.); (M.A.E.-R.)
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