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Mechanisms of salinity tolerance.
The physiological and molecular mechanisms of tolerance to osmotic and ionic components of salinity stress are reviewed at the cellular, organ, and whole-plant level. Plant growth responds to… Expand
Functional analysis of AtHKT1 in Arabidopsis shows that Na+ recirculation by the phloem is crucial for salt tolerance
Two allelic recessive mutations of Arabidopsis, sas2‐1 and sas2‐2, were identified as inducing sodium overaccumulation in shoots. The sas2 locus was found (by positional cloning) to correspond to the… Expand
Wheat grain yield on saline soils is improved by an ancestral Na+ transporter gene
The ability of wheat to maintain a low sodium concentration ([Na+]) in leaves correlates with improved growth under saline conditions. This trait, termed Na+ exclusion, contributes to the greater… Expand
Shoot Na+ Exclusion and Increased Salinity Tolerance Engineered by Cell Type–Specific Alteration of Na+ Transport in Arabidopsis[W][OA]
Soil salinity affects large areas of cultivated land, causing significant reductions in crop yield globally. The Na+ toxicity of many crop plants is correlated with overaccumulation of Na+ in the… Expand
The Na+ transporter AtHKT1;1 controls retrieval of Na+ from the xylem in Arabidopsis.
- R. Davenport, Alicia Muñoz-Mayor, D. Jha, P. A. Essah, A. Rus, M. Tester
- Biology, Medicine
- Plant, cell & environment
- 1 April 2007
HKT-type transporters appear to play key roles in Na(+) accumulation and salt sensitivity in plants. In Arabidopsis HKT1;1 has been proposed to influx Na(+) into roots, recirculate Na(+) in the… Expand
Phenomics--technologies to relieve the phenotyping bottleneck.
Global agriculture is facing major challenges to ensure global food security, such as the need to breed high-yielding crops adapted to future climates and the identification of dedicated feedstock… Expand
Nomenclature for HKT transporters, key determinants of plant salinity tolerance.
- J. Platten, O. Cotsaftis, +18 authors M. Tester
- Biology, Medicine
- Trends in plant science
- 1 August 2006
Salinity tolerance in many plants is inversely related to the extent of Na+ accumulation in the shoot, notably in the major cereals such as wheat and rice . In Arabidopsis and rice, there is… Expand
Boron-Toxicity Tolerance in Barley Arising from Efflux Transporter Amplification
Both limiting and toxic soil concentrations of the essential micronutrient boron represent major limitations to crop production worldwide. We identified Bot1, a BOR1 ortholog, as the gene responsible… Expand
HKT1;5-Like Cation Transporters Linked to Na+ Exclusion Loci in Wheat, Nax2 and Kna11[OA]
Bread wheat (Triticum aestivum) has a greater ability to exclude Na+ from its leaves and is more salt tolerant than durum wheat (Triticum turgidum L. subsp. durum [Desf.]). A novel durum wheat, Line… Expand
Constitutive Overexpression of the OsNAS Gene Family Reveals Single-Gene Strategies for Effective Iron- and Zinc-Biofortification of Rice Endosperm
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 micronutrients iron… Expand