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October 18, 2024CropsOpen Access

Genetic Variation in the Invaded Population of the Fall Armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), in India

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Authors

BKB. A. KavyashreeSDSharanabasappa S. DeshmukhKSKundur Mahadevappa Satish

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Overview

Genetic analysis reveals low diversity across invasive fall armyworm populations, suggesting a uniform expansion of the agricultural pest.

Key Points

  • Assess genetic variation and detoxification gene diversity across invaded populations of the fall armyworm (Spodoptera frugiperda) in India.
  • Analyzed genetic diversity across regional populations using mitochondrial cytochrome oxidase subunit I (COI) and nuclear triose phosphate isomerase (Tpi) markers.
  • Sequenced detoxifying genes, specifically carboxylesterase and glutathione S-transferase, to quantify nucleotide diversity and translated amino acid sequence identity.
  • Populations exhibited low overall genetic distance, ranging from 0.40% to 3.30% for COI and 0.43% to 3.03% for Tpi, peaking between Punjab and Hosur (3.30% for COI) and Tirupati and Delhi (3.03% for Tpi).
  • Detoxification gene variation was minimal across populations, ranging from 0.04% to 0.15% for carboxylesterase and 0.01 to 0.02 for glutathione S-transferase.
  • Amino acid sequences from Tirupati, Solapur, and Hyderabad shared 98.7% identity with Delhi, while overall sequences showed 79.7% to 82.0% identity with Spodoptera exigua and 69.6% to 73.0% with Spodoptera litura.

Cite This Study

Kavyashree et al. (2024) studied this question.

synapsesocial.com/papers/6a75dbd192ba9b63c6161cc7https://doi.org/10.3390/crops4040035
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Genetic differentiation of three populations of the fall armyworm, <i>Spodoptera frugiperda</i> (Lepidoptera: Noctuidae), in Mexico2025
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  3. 3Dominant strain shift in the invasive fall armyworm (Lepidoptera: Noctuidae) populations in Thailand as inferred from mitochondrial <i>COI</i> and nuclear <i>Tpi</i> genes2024 · 1 citations
  4. 4Population genetic diversity in the annual breeding area of the Spodoptera frugiperda in China2026
  5. 5Identification and Genetic Diversity of Spodoptera frugiperda J. E. Smith (Lepidoptera: Noctuidae) in Egypt2024