PJB-2024-25
STEMMING MEMBRANE TRANSPORT MECHANISMS OF HEAVY METALS IN PLANTS: IMPLICATIONS FOR ENHANCING NUTRIENT USE EFFICIENCY AND CROP PRODUCTION
Sonia Mbarki
Abstract
Plants have developed membrane transport systems complex networks to improve intake of nutrients, their compartmentalization and translocation, to maintain cellular homeostasis under toxic effects of heavy metals (HMs). The latest development in molecular and genetic approaches led to the detections and characterization of numerous gene families that are involved in HMs transport across membranes.The use of advanced molecular and genetic approaches has explored and characterized numerous gene families which are involved in HMs transport across membranes. The common HM transporters are - heavy metal ATPase (HMA) family, natural resistance-associated macrophage protein (NRAMP) family, Zn regulated transporters (ZRT), IRT-like protein (ZIP) family, yellow stripe-like (YSL) proteins and cation diffusion facilitator (CDF) family. In this study, we aimed to synthesize recent developments related to transport proteins essential for the transportation and translocation of HMs across cellular membranes and its incorporation for crop production under stressful environments. Our objective is to gain a deeper understanding of the complex efficient membrane transport mechanism of HMs. This knowledge may pave the way for novel strategies to enhance the acquisition and distribution of beneficial elements, with the goal of enhancing crop production by improving nutrient use efficiency.
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