Heavy metal tolerance in crop plants: an in silico comprehensive analysis of Metal- tolerance gene family in barley
DOI:
https://doi.org/10.18388/pb.2021_559Abstract
Heavy metal contamination in soil is a global concern due to its harmful effect to all living organisms. Phytoremediation is an emerging cost- effective technology, which utilizes different types of hyperaccumulator plants for the removal of heavy metal pollutants. Crop plants have been suggested as a good candidate for recultivation of agricultural soil in phytoremediation process, however the molecular mechanisms responsible for the crop tolerance to heavy metals is still unknown. Metal-tolerance proteins (MTPs) are divalent cation transporters that play critical roles in metal tolerance and ion homeostasis in plants. The current study identified 12 HvMTPs in the barley (Hordeum vulgare, Hv) genome; the majority of MTPs were hydrophobic proteins found in the vacuolar membrane. Gene expression profiling suggests that HvMTPs play an active role in maintaining barley nutrient homeostasis throughout its life cycle. The expression of barley HvMTP genes in the presence of heavy metals revealed that these MTPs were induced by at least one metal ion, implying their involvement in metal tolerance
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Copyright (c) 2024 Magda Grabsztunowicz, Ewelina Stolarska, Umesh Kumar Tanwar, Magdalena Arasimowicz-Jelonek, Ewa Sobieszczuk-Nowicka
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