1. Plant microRNAs: An overview: What are microRNAs, their origin, and their function in plants? 2. Genetic modification of plants using microRNAs 3. Plant Development: What Role Do MicroRNAs Play? 4. Root architecture and microRNAs: A key role for microRNAs 5. Tolerance-enhancing microRNA: a new target for plants: 6. Regulatory role of Micro RNA in plants during development with respect to Root and shoot architecture and secondary growth 7. Homeostasis in plant micro RNAs 8. microRNAs tools for gene silencing 9. microRNAs tools for horticulture crops 10. microRNAs in monocot plants like Rice, Wheat, and Sugarcane 11. microRNAs in Dicot plants like Arabidopsis 12. microRNAs in legumes and symbiotic association with rhizobacteria 13. Artificial microRNAs in Plants 14. microRNAs in unicellular organisms a comparative analysis 15. MicroRNA databases and bioinformatics analysis