ArticleApplied biochemistry and biotechnology2024
Biomolecules from Chaetomium globosum Possessing Antimicrobial Compounds Potentially Inhibits Fusarium Wilt of Tomato.
Article in Applied biochemistry and biotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 10 citations in OpenAlex.
- Biocontrol potential of phyllosphere fungi from diseased leaves against Colletotrichum gloeosporioides and Pseudocryphonectria elaeocarpicola.Archives of microbiology · 2026Article
- Antifungal activity of the culture filtrate ofFrontiers in microbiology · 2026Article
- Perspectives on microbial community changes produced by Hermitia illucens frass and their impact on soil suppression against Fusarium oxysporum f. sp. lactucae.Pest management science · 2025Article
- Biology and Application ofMicroorganisms · 2025Review
- Cepharanthine InhibitsMicroorganisms · 2025Article
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4 authors at 2 institutions in 1 country.
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Abstract
Wilt disease caused by Fusarium solani, a soil-borne plant pathogenic fungus, is a serious disease in tomato causing economic losses. In the present study, among the nine isolates of Chaetomium globosum Kunze (Chg1-Chg9), screened against F. solani No. Fs-1, Chg2 exhibited the maximum inhibition (49.2 %), followed by the isolates Chg6 (47.4%) and Chg1 (46.3%) in dual culture. Further, the crude secondary metabolites from these three isolates showed maximum reduction of the mycelial growth of Fs-1 compared to control. Gas Chromatography-Mass Spectrometry (GC-MS) analysis of the metabolites from Chg2 revealed the presence of major compounds, viz., benzothiazole, 2-(2-hydroxyethylthio) (7.51%); 9,12,15- octadecatrienoic acid, 2,3-bis[(trimethylsilyl)oxy] propyl ester (3.13%); and hexadecanoic acid, 1- (hydroxymethyl)-1,2-ethanediyl ester (2.69%). Fourier transform infrared (FTIR) spectroscopy revealed the presence of alcohol, secondary amine, aliphatic primary amine, carboxylic acid, allene, conjugated ketone, imine/oxime, sulphate, and halo compound groups with a weak to strong range of intensity. Pure compound of benzothiazole @ 5000 ppm exhibited higher antagonistic activity of Fs-1which decreased at lower concentration. In pot culture experiment, dipping tomato seedlings cv. PKM1 in 2% ethyl acetate-fractionated biomolecules of Chg2 recorded a minimum disease incidence of 20.0%, whereas seedlings dipped in the culture filtrate of Chg2 showed a disease incidence of 26.6% compared to control (86.6%). Besides, these seedlings treated with the culture filtrate showed the highest plant height of 37.68 cm and the maximum number of leaves and flowers (39.6 and 5.48, respectively), followed by those treated with the biomolecules of Chg2 (C. globosum) and the culture filtrate of T. asperellum. The results revealed that the antifungal efficacy of C. globosum Chg2 is due to the presence of antimicrobial metabolites including benzothiazole. Exploring the use of this novel antifungal compound in the management of plant diseases is highly warranted.
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