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September 20, 2025Letters in Applied Microbiology

Unveiling the genomic landscape of NBAIR BtAe, a potential Bacillus thuringiensis strain against Holotrichia serrata F.

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Authors

LML. ManjunathUniversity of Agricultural Sciences, BangaloreMRMaddi RamaiahAndhra UniversityRSRamya Ramesan SyamalaNational Bureau of Agricultural Insect Resources

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Overview

Genomic analysis reveals NBAIR BtAe strains' potential against Holotrichia serrata larvae, highlighting novel cry genes and bioinsecticidal properties.

Key Points

  • NBAIR BtAe shows the highest toxicity against Holotrichia serrata larvae, achieving an LC₅₀ of 115.36 μg mL−1, indicating strong biocontrol potential.
  • Whole genome sequencing uncovered a 5.67 Mb circular chromosome, featuring novel pesticidal genes, including a cry gene similar to cry21Aa2, enhancing its biocontrol properties.
  • PCR validation confirmed the presence of diverse virulence genes, including chitinase and enhancin, which may contribute to its effectiveness against pests.
  • The discovery of multiple antimicrobial and pesticidal genes suggests NBAIR BtAe could play a significant role in integrated pest management strategies.

Cite This Study

Manjunath et al. (2025) studied this question.

synapsesocial.com/papers/68d46ab431b076d99fa67b9dhttps://doi.org/10.1093/lambio/ovaf117
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