链霉菌(Streptomyces sp. nkm1)挥发性代谢物对某些植物病原真菌的生物活性及GC-MS分析

IF 1 4区 生物学 Q3 BIOLOGY Brazilian Archives of Biology and Technology Pub Date : 2023-06-19 DOI:10.1590/1678-4324-2023220626
E. Sholkamy, Sasikumar Palsamy, S. James Raja, K. M. Alarjani, Reem Mohammed Alharbi, N. Abdel-Raouf, K. Alsamhary, V. Duraipandiyan, Fredimoses Mangaladoss, E. Apu, M. Habila
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GC-MS Analysis and Bioactivity of Streptomyces sp. nkm1 Volatile Metabolites against some Phytopathogenic Fungi
: The main concern of today's agricultural production around the world is a cleaner and greener approach to crop production. Streptomyces species with distinct characteristics can be found in soil. The current research focuses on Streptomyces species isolated from marine sediment samples. To evaluate the morphology and biochemical properties of the isolated Streptomyces strain ukm1, it was grown in Starch Casein Nitrate (SCN) agar medium. Morphological, biochemical, and 16s rRNA analysis were performed on the strain. Streptomyces sp. was identified based on these findings. The production of bioactive metabolites by strain nkm1 was carried out in five different fermentative media. After 10 days of incubation, M6 medium was found to be efficient and was extracted with ethyl acetate. The MIC values revealed that the ethyl acetate extract inhibited the growth of plant pathogenic fungi such as Phytophthora palmivora (31.25 g/ml), Aspergillus flavus (15.62 g/ml), Rhizoctonia solani (31.25 g/ml), and Cladosporium herbarum (31.25 g/ml). The GC-MS analysis of the ethyl acetate extract revealed 26 components, the major volatile bioactive compound being nonadecane.
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