Physiological and molecular mechanisms of metal accumulation in hyperaccumulator plants

O Sytar, S Ghosh, H Malinska, M Zivcak… - Physiologia …, 2021 - Wiley Online Library
Most of the heavy metals (HMs), and metals/metalloids are released into the nature either by
natural phenomenon or anthropogenic activities. Being sessile organisms, plants are …

Heavy-metal-induced reactive oxygen species: phytotoxicity and physicochemical changes in plants

M Shahid, B Pourrut, C Dumat, M Nadeem… - … and Toxicology Volume …, 2014 - Springer
Environmental contamination by hazardous environmental pollutants is a widespread and
increasingly serious problem confronting society, scientists, and regulators worldwide …

Maize roots and shoots show distinct profiles of oxidative stress and antioxidant defense under heavy metal toxicity

H AbdElgawad, G Zinta, BA Hamed, S Selim… - Environmental …, 2020 - Elsevier
Heavy metal accumulation in agricultural land causes crop production losses worldwide.
Metal homeostasis within cells is tightly regulated. However, homeostasis breakdown leads …

Molecular mechanisms of metal hyperaccumulation in plants

N Verbruggen, C Hermans, H Schat - New phytologist, 2009 - Wiley Online Library
Metal hyperaccumulator plants accumulate and detoxify extraordinarily high concentrations
of metal ions in their shoots. Metal hyperaccumulation is a fascinating phenomenon, which …

Constitutive Overexpression of the OsNAS Gene Family Reveals Single-Gene Strategies for Effective Iron- and Zinc-Biofortification of Rice Endosperm

AAT Johnson, B Kyriacou, DL Callahan, L Carruthers… - PloS one, 2011 - journals.plos.org
Background Rice is the primary source of food for billions of people in developing countries,
yet the commonly consumed polished grain contains insufficient levels of the key …

Zinc biofortification of cereals: problems and solutions

MG Palmgren, S Clemens, LE Williams, U Krämer… - Trends in plant …, 2008 - cell.com
The goal of biofortification is to develop plants that have an increased content of
bioavailable nutrients in their edible parts. Cereals serve as the main staple food for a large …

AtIRT1, the Primary Iron Uptake Transporter in the Root, Mediates Excess Nickel Accumulation in Arabidopsis thaliana

S Nishida, C Tsuzuki, A Kato, A Aisu… - Plant and Cell …, 2011 - academic.oup.com
Nickel (Ni) is an essential nutrient for plants, but excessive amounts can be toxic. Ni
competes with iron (Fe) in vivo, raising the possibility that Ni is competitively taken up via the …

Too much is bad—an appraisal of phytotoxicity of elevated plant-beneficial heavy metal ions

NA Anjum, HP Singh, MIR Khan, A Masood… - … Science and Pollution …, 2015 - Springer
Heavy metal ions such as cobalt (Co), copper (Cu), iron (Fe), manganese (Mn),
molybdenum (Mo), nickel (Ni), and zinc (Zn) are considered essential/beneficial for optimal …

Metabolic engineering of bread wheat improves grain iron concentration and bioavailability

JT Beasley, JP Bonneau… - Plant Biotechnology …, 2019 - Wiley Online Library
Bread wheat (Triticum aestivum L.) is cultivated on more land than any other crop and
produces a fifth of the calories consumed by humans. Wheat endosperm is rich in starch yet …

Metal hyperaccumulation and hypertolerance: a model for plant evolutionary genomics

M Hanikenne, C Nouet - Current opinion in plant biology, 2011 - Elsevier
In the course of evolution, plants adapted to widely differing metal availabilities in soils and
therefore represent an important source of natural variation of metal homeostasis networks …