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Related Experiment Videos

[Morphologic alterations induced by aflatoxin B1 in Bacillus thuringiensis (Berliner)].

S Lemarinier, P Boutibonnes, J Jacquet

    Comptes Rendus Hebdomadaires Des Seances De L'Academie Des Sciences. Serie D: Sciences Naturelles
    |July 11, 1977
    PubMed
    Summary

    Aflatoxin B1 exposure caused significant cellular damage in Bacillus thuringiensis, including enlarged mesosomes, fewer ribosomes, and faulty cell walls. These findings highlight the toxic effects of aflatoxin B1 on bacterial ultrastructure.

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    Comparison of SPF10 real-time PCR and conventional PCR in combination with the INNO-LiPA HPV Genotyping Extra assay for the detection and typing of human papillomavirus in cervical samples.

    Journal of virological methods·2013

    Area of Science:

    • Microbiology
    • Bacterial Ultrastructure
    • Toxicology

    Context:

    • Bacillus thuringiensis is a widely used biopesticide.
    • Aflatoxins are toxic secondary metabolites produced by fungi.
    • Understanding the impact of mycotoxins on bacteria is crucial for environmental and agricultural safety.

    Purpose:

    • To investigate the ultrastructural effects of aflatoxin B1 on Bacillus thuringiensis cells.
    • To identify specific cellular changes induced by aflatoxin B1 exposure.

    Summary:

    • Aflatoxin B1 treatment led to significant ultrastructural alterations in Bacillus thuringiensis.
    • Observed changes include a hypertrophy (increase in size) of mesosomes.
    • A decrease in ribosome count and the formation of imperfect cell septa were also noted.

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    Impact:

    • The findings highlight the potential toxicity of aflatoxin B1 to beneficial bacteria like Bacillus thuringiensis.
    • This research contributes to understanding the ecological impact of fungal contamination in agricultural settings.
    • Results may inform strategies to mitigate the adverse effects of mycotoxins on microbial communities.