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A Yu Grabova, I V Dragovoz, L B Zelena

    Tsitologiia I Genetika
    |November 28, 2018
    PubMed
    Summary

    This study identifies a novel bacterial strain antagonist. Molecular and biochemical analyses reveal it as Bacillus amyloliquefaciens subsp. plantarum, effective against plant pathogens.

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    INFLUENCE OF BACILLUS AMYLOLIQUEFACIENS SUBSP. PLANTARUM IMV B-7404 STRAIN EXOMETABOLITES ON PHENYLALANINE AMMONIA-LYASE ACTIVITY IN WINTER WHEAT SEEDLINGS.

    Ukrainian biochemical journal·2016

    Area of Science:

    • Microbiology
    • Bacterial Taxonomy
    • Plant Pathology

    Background:

    • Phytopathogenic bacteria and micromycetes pose significant threats to agriculture.
    • Effective biological control agents are crucial for sustainable crop protection.
    • Accurate bacterial strain identification is essential for developing targeted biocontrol strategies.

    Purpose of the Study:

    • To perform a polyphasic taxonomic analysis of a bacterial strain with antagonist properties.
    • To identify and classify the strain based on its biological characteristics.
    • To determine the potential of the strain as a biocontrol agent against plant pathogens.

    Main Methods:

    • Polyphasic taxonomic analysis including culture-morphological, physiological, and biochemical characterization.
    • Fatty acid profiling of cellular walls.
    • Molecular genetic analysis, specifically sequencing of the 16S rRNA gene.
    • Analysis of polymorphic nucleotide profiles.

    Main Results:

    • Initial analysis suggested the strain belonged to the Bacillus subtilis group.
    • Fatty acid analysis revealed a composition typical of Bacillus amyloliquefaciens (85% iso- and anti iso- C15:0 and C17:0).
    • Molecular genetic analysis confirmed the strain as Bacillus amyloliquefaciens subsp. plantarum.

    Conclusions:

    • The identified strain, Bacillus amyloliquefaciens subsp. plantarum, possesses antagonist properties against phytopathogenic bacteria and micromycetes.
    • This subspecies represents a promising candidate for biological control in agriculture.
    • The study highlights the importance of integrating multiple taxonomic methods for accurate bacterial classification.

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