Recombinant Clostridioides toxA Protein ，His

ToxA is a significant effector protein secreted by the plant pathogenic bacterium *Pseudomonas syringae*, which is known for its role in promoting plant diseases, especially in crops like tobacco. The study of ToxA has garnered interest due to its unique ability to induce specific symptoms in host plants, particularly the necrosis associated with the disease known as "tar spot." Research on recombinant forms of ToxA aims to elucidate its structure-function relationship and underlying mechanisms of action, facilitating a deeper understanding of plant-pathogen interactions. By producing recombinant ToxA in various expression systems, researchers can analyze its biochemical properties and assess its role in pathogenicity. Furthermore, characterizing ToxA can lead to the development of novel strategies for disease management, including the engineering of disease-resistant plant varieties or the design of targeted inhibitors that disrupt ToxA's function. As agricultural biosecurity becomes increasingly crucial in the face of climate change and globalization, investigating ToxA not only contributes to our basic knowledge of plant pathology but also holds potential for practical applications in sustainable agriculture and enhanced food security.