Revolutionizing Tomato Cultivation: CRISPR/Cas9 Mediated Biotic Stress Resistance
2024
Abdelrahman Shawky | Abdulrahman Hatawsh | Nabil Al-Saadi | Raed Farzan | Nour Eltawy | Mariz Francis | Sara Abousamra | Yomna Y. Ismail | Kotb Attia | Abdulaziz S. Fakhouri | Mohamed Abdelrahman
Tomato (<i>Solanum lycopersicon</i> L.) is one of the most widely consumed and produced vegetable crops worldwide. It offers numerous health benefits due to its rich content of many therapeutic elements such as vitamins, carotenoids, and phenolic compounds. Biotic stressors such as bacteria, viruses, fungi, nematodes, and insects cause severe yield losses as well as decreasing fruit quality. Conventional breeding strategies have succeeded in developing resistant genotypes, but these approaches require significant time and effort. The advent of state-of-the-art genome editing technologies, particularly CRISPR/Cas9, provides a rapid and straightforward method for developing high-quality biotic stress-resistant tomato lines. The advantage of genome editing over other approaches is the ability to make precise, minute adjustments without leaving foreign DNA inside the transformed plant. The tomato genome has been precisely modified via CRISPR/Cas9 to induce resistance genes or knock out susceptibility genes, resulting in lines resistant to common bacterial, fungal, and viral diseases. This review provides the recent advances and application of CRISPR/Cas9 in developing tomato lines with resistance to biotic stress.
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