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A case of onychomycosis caused by Aspergillus terreus in India

Asit Baran De^1* , Amlan Mahata²

¹Guest Lecturer, Department of Microbiology, The University of Burdwan, Burdwan– 713104, West Bengal, India,

e-mail: abde.brc@gmail.com, ORCID ID: 0000–0003–2481-0879

*Corresponding email ID: abde.brc@gmail.com

²Technical Asst. Gr.II, Department of Microbiology, The University of Burdwan, Burdwan -713104, West Bengal, India,

ORCID ID:0000-0002-5082-3502

e-mail ID: amlanmahata@gmail.com

Abstract: A case of onychomycosiss caused by Aspergillus terreus (a non-dermatophyte) has been reported for the first time from India. The person was 78 years old housewife having a history of paronychia and she was suffering from diabetes. Advanced age, diabetes and paronychia were the predisposing factors of her onychomycosis.

[Asit Baran De, Amlan Mahata. A case of onychomycosis caused by Aspergillus terreus in India. Life Sci J 2026;23(3):1-3]. ISSN 1097-8135 (print); ISSN 2372-613X (online). http://www.lifesciencesite.com. 01. doi:10.7537/marslsj230326.01

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EVALUATION OF BIOLOGICAL CONTROL OF POST HARVEST PATHOGENS OF WHEAT (Triticum aestivum) GRAINS AND ATTENDANT EFFECTS OF PATHOGENIC INFECTION ON NUTRITIONAL VALUES OF WHEAT GRAINS

Ijato J. Y ¹*, Aiyelari T.A² & Ojo B. O³

^1* Department of Plant Science and Biotechnology, Faculty of Science, Ekiti State University, P.M.B 5363, Ado-Ekiti, Ekiti State, Nigeria

²Department of  Forestry, Wildlife and Fisheries Management, Faculty of Agricultural Science, Ekiti State University, P.M.B 5363, Ado-Ekiti, Ekiti State, Nigeria

³The Polytechnic, Ibadan, Department of Biology, P.M.B. 22, U.I. Post Office, Ibadan, Oyo State, Nigeria.

Corresponding author: Ijato J. Y, Department of Plant Science and Biotechnology, Faculty of Science, Ekiti State University, P.M.B 5363, Ado-Ekiti, Ekiti State, Nigeria

Email: considerureternity@gmail.com

ABSTRACT: This study investigated the biological control of post-harvest fungal pathogens affecting wheat (Triticum aestivum) and examined the impact of fungal infections on the grains’ nutritional composition. Wheat is a global staple and vital source of carbohydrates, proteins, vitamins, and minerals; it is highly susceptible to storage spoilage due to fungal pathogens such as Aspergillus, Fusarium, Penicillium, and Alternaria species. Chemical fungicides are effective but pose environmental and health hazard, this necessitates search for biocides as alternatives. The study made use of Trichoderma harzianum and Bacillus subtilis as biological control agents (BCAs). In vitro antagonism was assessed using the dual culture method, while in vivo tests evaluated proximate, mineral, and vitamin compositions of infected and treated wheat grains. Results obtained showed that T. harzianum exhibited superior inhibitory activities against fungal isolates, with up to 74.2% growth suppression; this was followed by B. subtilis with 59.8%. Pathogen-infected grains showed significant nutrient degradation which was marked by reductions in protein, fat, and carbohydrate contents while biocontrol-treated grains maintained near-normal nutritional values. Similarly, results of mineral and vitamin analyses demonstrated that BCAs effectively preserved essential micronutrients such as calcium, iron, zinc, and vitamins B and E. The study concluded that biological control using T. harzianum and B. subtilis is an efficient, sustainable, and health-safe strategy for mitigating post-harvest losses in wheat while maintaining nutritional integrity. This study recommends integrating bio-control methods into grain storage systems to enhance food safety, quality, and long term food security.

[Ijato J. Y, Aiyelari T.A & Ojo B. O. Life Sci J 2026;23(3):4-15]. ISSN 1097-8135 (print); ISSN 2372-613X (online). http://www.lifesciencesite.com. 02. doi:10.7537/marslsj230326.02

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