Metabolomics plays a pivotal role in elucidating the intricate chemical communications in plant-microbe interactions. This comprehensive review explores how metabolomics has transformed our understanding by uncovering metabolic dynamics during pathogen infections, identifying metabolites crucial for plant resistance, and advancing metabolomics-driven breeding strategies for disease-resistant crops. The review underscores metabolomics' capacity to unveil the metabolic fingerprints of symbiotic relationships, emphasizing the pivotal role of signaling metabolites in these interactions. Furthermore, it discusses metabolomics' role in discovering novel bioactive compounds from endophytes and their potential applications in agriculture and biotechnology. By synthesizing recent advancements, this review provides a thorough exploration of metabolomics' transformative impact on deciphering chemical dialogues between plants and their microbial counterparts. This insight not only enhances our understanding of plant-microbe interactions but also lays the foundation for sustainable agricultural practices aimed at resilience and productivity.

Metabolic engineering in plants represents a potent approach to tackling global challenges in agriculture, nutrition, and sustainability. This comprehensive review explores state-of-the-art strategies for manipulating primary and secondary metabolic pathways in plants. Utilizing advanced genetic modification tools, these methods aim to enhance crop yield, improve nutritional quality, bolster stress tolerance, and increase the production of valuable metabolites. Recent achievements in optimizing photosynthetic efficiency, nutrient utilization, and resilience to environmental stresses through targeted metabolic interventions are examined. The review also explores emerging trends such as synthetic biology approaches and multi-gene trait stacking, which are revolutionizing the field. By integrating omics technologies-genomics, transcriptomics, proteomics, and metabolomics-with advanced computational modeling, researchers are refining metabolic engineering designs with unprecedented precision. The study discusses the application of CRISPR/Cas9 and other gene editing techniques in refining plant metabolism, alongside exploring plants' potential as biofactories for pharmaceutical and industrial compounds. As the field rapidly evolves, regulatory and biosafety considerations related to genetically modified crops are addressed, offering insights into the future of sustainable agriculture and crop improvement. This review underscores the transformative potential of plant metabolic engineering in addressing food security, adapting to climate change, and sustainably producing valuable compounds. It also examines the challenges and future perspectives of this dynamic and evolving field.