Plant mineral transport systems and the potential for crop improvement

Yadav, Bindu; Jogawat, Abhimanyu; Lal, Shambhu Krishan; Lakra, Nita; Mehta, Sahil; Shabek, Nitzan; Narayan, Om

doi:10.1007/s00425-020-03551-7

Cited by 36 publications

(9 citation statements)

References 263 publications

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“…Metal uptake from soil or mobilization to other plant parts involves different transporters localized at the plasma membrane and envelope membranes of cell organelles such as the vacuole, mitochondria, and plastids. Notably, plants have a sensing system for maintaining metal homeostasis in which transporters work as receptors plus transporter, that is, transceptors (Cointry & Vert, 2019; Narayan et al 2020; Narayan et al, 2021; Yadav et al, 2021b). The bioavailability of metal ions in soil and their scarcity in the cytosol can be sensed by transceptors, which leads to the regulation of metal ions uptake via low or high‐affinity transporters.…”

Section: Metal Transport In Plants and Its Mechanismmentioning

confidence: 99%

“…Metal homeostasis is also affected by the availability of other important nutrients such as sulfate and phosphate. The bioavailability of sulfate (present in the soil or in the plant) is sensed by the sulfate transport system (Yadav et al, 2021b). Importantly, sulfate transport also affects heavy metal uptake and accumulation, ultimately their homeostasis.…”

Section: Metal Homeostasis and Tolerance In Plant Cellsmentioning

confidence: 99%

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Metal transporters in organelles and their roles in heavy metal transportation and sequestration mechanisms in plants

Jogawat

Yadav

Chhaya

et al. 2021

Physiologia Plantarum

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Heavy metal toxicity is one of the major concerns for agriculture and health. Accumulation of toxic heavy metals at high concentrations in edible parts of crop plants is the primary cause of disease in humans and cattle. A dramatic increase in industrialization, urbanization, and other high anthropogenic activities has led to the accumulation of heavy metals in agricultural soil, which has consequently disrupted soil conditions and affected crop yield. By now, plants have developed several mechanisms to cope with heavy metal stress. However, not all plants are equally effective in dealing with the toxicity of high heavy metal concentrations. Plants have modified their anatomy, morphophysiology, and molecular networks to survive under changing environmental conditions. Heavy metal sequestration is one of the essential processes evolved by some plants to deal with heavy metals' toxic concentration. Some plants even have the ability to accumulate metals in high quantities in the shoots/organelles without toxic effects. For intercellular and interorganeller metal transport, plants harbor spatially distributed various transporters which mainly help in uptake, translocation, and redistribution of metals. This review discusses different heavy metal transporters in different organelles and their roles in metal sequestration and redistribution to help plants cope with heavy metal stress. A good understanding of the processes at stake helps in developing more tolerant crops without affecting their productivity.

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Section: Metal Transport In Plants and Its Mechanismmentioning

confidence: 99%

Section: Metal Homeostasis and Tolerance In Plant Cellsmentioning

confidence: 99%

Metal transporters in organelles and their roles in heavy metal transportation and sequestration mechanisms in plants

Jogawat

Yadav

Chhaya

et al. 2021

Physiologia Plantarum

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“…To combat food insecurity and to feed the growing population, there is need to design studies on whole genome membrane transporters (MTs) for the proper utilization of plant energy under dynamic environmental changes in order to produce high yielding crops. Recent advances evidenced the role of MTs as they are the major shareholder in sugar transportation from leaf (source) to sink (root, stem and seed) via phloem loading and nutrient transportation from roots to upper plant parts through xylem loading [ 2 , 3 ]. Thus, the efficient utilization of MTs not only could help researchers to increase grain yield directly but also expand arable land by improving tolerance mechanisms against various abiotic stresses, i.e., salt, drought, cold, heat and heavy metals (HMs) [ 4 , 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

The Role of Membrane Transporters in Plant Growth and Development, and Abiotic Stress Tolerance

Gill

Ahmar

Ali

et al. 2021

IJMS

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The proteins of membrane transporters (MTs) are embedded within membrane-bounded organelles and are the prime targets for improvements in the efficiency of water and nutrient transportation. Their function is to maintain cellular homeostasis by controlling ionic movements across cellular channels from roots to upper plant parts, xylem loading and remobilization of sugar molecules from photosynthesis tissues in the leaf (source) to roots, stem and seeds (sink) via phloem loading. The plant’s entire source-to-sink relationship is regulated by multiple transporting proteins in a highly sophisticated manner and driven based on different stages of plant growth and development (PG&D) and environmental changes. The MTs play a pivotal role in PG&D in terms of increased plant height, branches/tiller numbers, enhanced numbers, length and filled panicles per plant, seed yield and grain quality. Dynamic climatic changes disturbed ionic balance (salt, drought and heavy metals) and sugar supply (cold and heat stress) in plants. Due to poor selectivity, some of the MTs also uptake toxic elements in roots negatively impact PG&D and are later on also exported to upper parts where they deteriorate grain quality. As an adaptive strategy, in response to salt and heavy metals, plants activate plasma membranes and vacuolar membrane-localized MTs that export toxic elements into vacuole and also translocate in the root’s tips and shoot. However, in case of drought, cold and heat stresses, MTs increased water and sugar supplies to all organs. In this review, we mainly review recent literature from Arabidopsis, halophytes and major field crops such as rice, wheat, maize and oilseed rape in order to argue the global role of MTs in PG&D, and abiotic stress tolerance. We also discussed gene expression level changes and genomic variations within a species as well as within a family in response to developmental and environmental cues.

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“…The addition of genes increasing nicotianamine, the nicotianamine-iron transporter and the iron storage protein ferritin was shown to have a concerted effect on rice seed iron concentration of more than fourfold ( Masuda et al, 2012 ). Perhaps, with the combination of nutrient transport (reviewed in Yadav et al, 2021 ) and sequestration mechanisms in the grain or fruit, levels of many micronutrients could be enhanced.…”

Section: Plant Product Developmentmentioning

confidence: 99%

Utilizing Plant Synthetic Biology to Improve Human Health and Wellness

2021

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Plants offer a vast source of bioactive chemicals with the potential to improve human health through the prevention and treatment of disease. However, many potential therapeutics are produced in small amounts or in species that are difficult to cultivate. The rapidly evolving field of plant synthetic biology provides tools to capitalize on the inventive chemistry of plants by transferring metabolic pathways for therapeutics into far more tenable plants, increasing our ability to produce complex pharmaceuticals in well-studied plant systems. Plant synthetic biology also provides methods to enhance the ability to fortify crops with nutrients and nutraceuticals. In this review, we discuss (1) the potential of plant synthetic biology to improve human health by generating plants that produce pharmaceuticals, nutrients, and nutraceuticals and (2) the technological challenges hindering our ability to generate plants producing health-promoting small molecules.

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Plant mineral transport systems and the potential for crop improvement

Cited by 36 publications

References 263 publications

Metal transporters in organelles and their roles in heavy metal transportation and sequestration mechanisms in plants

Metal transporters in organelles and their roles in heavy metal transportation and sequestration mechanisms in plants

The Role of Membrane Transporters in Plant Growth and Development, and Abiotic Stress Tolerance

Utilizing Plant Synthetic Biology to Improve Human Health and Wellness

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