Abstract
Trametes species are mushroom fungi with several biotechnological applications. This includes decolourisation of wastewater from olive mill and elimination of endocrine-disrupting hormones. This study reports the presence of two Trametesspecies, namely Trametespolyzona and Trametesvillosa from the phylumBasidiomycota in sorghum and milletvended inSouthwest Nigeria. These fungal isolates were identified culturally and further identified through phylogenetic characterisation. Trametessp occurred in 10% of sorghum samples and 20% of millet samples. The two species were morphologically similar but distantly related phylogenetically. Most fungal species present in cereal crops belong to the division Ascomycota. However, two Trametesspecies belonging to division Basidiomycota are being reported for the first time in cereal crops. Trametessp can be harnessed for their health benefits such as the treatment of cancer and the reduction of viral activity in humans.
Highlights
IntroductionSorghum (Sorghum bicolor), is the fourth most cultivated cropafter paddy, wheat, and maize in the world [1].Nigeria,which is ranked third among the world producer of sorghum after
UnitedStates of America and India, produces40% of the total sorghum recorded in Africa [2].Millet (Pennisetumglaucum) is the sixth most important grain in the world, produced mainly by China, India, and Nigeria [1, 3]
Fungi which colonise cereals include species of Fusarium, Aspergillus, and Penicillium, which significantly reduce crop yield, quality and safety owing to their capacity to produce mycotoxins [4].Sorghum and millet are among cereals that get contaminated both on the field and during storage [5, 6]
Summary
Sorghum (Sorghum bicolor), is the fourth most cultivated cropafter paddy, wheat, and maize in the world [1].Nigeria,which is ranked third among the world producer of sorghum after. Fungi which colonise cereals include species of Fusarium, Aspergillus, and Penicillium, which significantly reduce crop yield, quality and safety owing to their capacity to produce mycotoxins [4].Sorghum and millet are among cereals that get contaminated both on the field and during storage [5, 6]. These cereals are staple foods consumed in Southwest Nigeria in the form of fermented gruels such as ‘Ogi’, fermented drinks such as ‘kunu’ and snacks such as ‘donwka’ and ‘kokoro’. Oranusiet al. [6] attributed the presence of fungi in cereal grains to the normal flora of the plants as well as contamination of the grains from the field or during storage and display for sales
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