Santosh Kumar Upadhyay is an Assistant Professor in the Department of Botany at Panjab University, India, with over 16 years of experience in Plant Science. His research focuses on green synthesis of ZnO nanoparticles, carbon nanotubes, and key defense-related proteins, as well as long non-coding RNAs involved in stress responses. He has made significant contributions to plant defense and genome editing research. Dr. Upadhyay has received prestigious awards including the INSA Associate Fellowship and the INSA Medal for Young Scientist.

• 1. Cation transporters in plants: an overview2. Potassium (K+) transporters in plants: regulation and functional role in K+ uptake and homeostasis3. High-affinity K + transporters and their functions in plants4. Evolution of potassium transport and signaling in plants under salt stress5. Sodium transporters in plant6. Na+/H+ antiporter (NHX) and salt stress tolerance7. Role of K+ efflux antiporter (KEA) in plants8. An introduction to the Mg2+ transporters in plants9. Mechanism of iron uptake and homeostasis in plants10. Functional divergence in oligopeptide transporters (OPTs) in plants11. Ef-hand domain containing proteins: diversity and role in plants12. COPT/Ctr family transporters and copper transport in higher plants13. Mechanism of manganese uptake and homeostasis in plant cell14. Plant and animal two-pore channels15. Nodulin 26-like Intrinsic Proteins (NIPs) and cations transport in plants16. A glimpse of boron transport in plants17. Selenium transporters and their role in plant development and stress18. Role of Natural Resistance-Associated Macrophage Proteins (NRAMPs) in metal ion transport in plants19. Plasma membrane (PM) H+ -ATPase is plants20. Cation diffusion facilitator family of transporters in plants21. Phytosiderophores and absorption of iron and other cations by plants22. Role of Phytochelatin in cation translocation in plants23. Role of Polyamines in cation transport in plants24. Regulation of cation transports and cation homeostasis in higher plants