Radiação gama sobre a micobiota de ração avícola e Aspergillus spp.

The aims of this work were to investigate the effects of gamma irradiation on population, viability and aflatoxin B production of strains isolated from nutmeg kernels. Thirteen strains of. were isolated and cultured in potato dextrose agar. Conidia were harvested, air-dried, and irradiated 0, 5, or 10 kGy with gamma rays using a Cobalt-60 source. Toxigenicity were determined using a coconut agar medium and thin layer chromatography. Genomes of strains were extracted from mycelia. Four sets of primers, regulatory () and structural genes (-, -, -) were used to confirm the presence of the genes. Our results indicate that total fungal populations decreased significantly ( < 0.05) with increasing irradiation dose. However, doses of 5 and 10 kGy were insufficient to completely eliminate the viability of some . strains. Irradiation did not change toxigenicity and triggered surviving toxigenic strains to produce aflatoxin B.

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Gamma irradiation of Aspergillus flavus strains associated with Indonesian nutmeg (Myristica fragrans)

Nurtjahja

Dharmaputra

Rahayu

et al. 2017

Food Sci Biotechnol

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Endophytic fungus Cladosporium sp (AC-1) isolated from leaves of Annona cacans (Annonaceae) shows high metabolic plasticity to produce bioactive molecules

Hernandez-Tasco¹,

Alvarez-Cantero²,

Ramírez-Rueda³

et al. 2022

Biocatalysis and Agricultural Biotechnology

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Successive growth of gamma irradiated Aspergillus flavus strains isolated from nutmeg kernels (Myristica fragrans)

Nurtjahja¹,

Dharmaputra

Rahayu

et al. 2018

J. Phys.: Conf. Ser.

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Radiação gama sobre a micobiota de ração avícola e Aspergillus spp.

Abstract: Radiação gama sobre a micobiota de ração avícola e Aspergillus spp. Gamma radiation on the mycoflora of poultry feed and

Cited by 7 publications

References 17 publications

Gamma irradiation of Aspergillus flavus strains associated with Indonesian nutmeg (Myristica fragrans)

Gamma irradiation of Aspergillus flavus strains associated with Indonesian nutmeg (Myristica fragrans)

Endophytic fungus Cladosporium sp (AC-1) isolated from leaves of Annona cacans (Annonaceae) shows high metabolic plasticity to produce bioactive molecules

Successive growth of gamma irradiated Aspergillus flavus strains isolated from nutmeg kernels (Myristica fragrans)

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