Transgenic Rice with Garlic Lectin Shows Resistance to Insect Pests
Author Information
Author(s): Yarasi Bharathi, Sadumpati Vijayakumar, Immanni China Pasalu, Vudem Dasavantha Reddy, Khareedu Venkateswara Rao
Primary Institution: Centre for Plant Molecular Biology, Osmania University
Hypothesis
Can transgenic rice expressing Allium sativum leaf agglutinin (ASAL) provide resistance against major sap-sucking pests?
Conclusion
Transgenic indica rice expressing ASAL demonstrated significant resistance against brown planthopper, green leafhopper, and whitebacked planthopper.
Supporting Evidence
- Transgenic rice lines showed significant decreases in insect survival, development, and fecundity.
- ASAL protein levels in transgenic plants ranged from 0.74% to 1.45% of total soluble proteins.
- Bioassays indicated a reduction in pest populations by 64% to 83% on transgenic plants compared to controls.
- Transgenic plants exhibited delayed development in insects feeding on them.
- Fecundity of pests was significantly reduced on ASAL-expressing rice plants.
Takeaway
Scientists made rice plants that can fight off bugs by using a special protein from garlic. This helps the rice grow better and stay safe from pests.
Methodology
The study involved isolating the ASAL gene from garlic, introducing it into rice using Agrobacterium-mediated transformation, and conducting insect bioassays to test resistance.
Limitations
The study primarily focused on laboratory conditions, and field performance of transgenic lines is yet to be fully evaluated.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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