Role of GABA in plant growth, development and senescence

Abstract The γ-aminobutyric acid (GABA), is a non-proteinogenic, four carbon amino acid having multifaceted roles in both plants and animals. It plays an important role in plant growth and abiotic stress mitigation in plants. It also plays a prominent role in leaf senescence that forms the concluding stage of plant growth and development. Thus, consolidating the advancements in studies pertaining to multifaceted roles of GABA in coordinating plants' growth, development, and senescence to enhance performance in both optimal and stressful conditions is utmost crucial. The present review aims to discuss the significance of GABA molecule in plant growth, development and senescence alongwith the potential role of GABA under abiotic stresses.