ArticlePLoS pathogens2010
Metal hyperaccumulation armors plants against disease.
Article in PLoS pathogens, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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Who cites it
42 citing papers in PubMed, 135 citations in OpenAlex.
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- Ionomic Approaches for Discovery of Novel Stress-Resilient Genes in Plants.International journal of molecular sciences · 2021Review
- Agromonas: a rapid disease assay for Pseudomonas syringae growth in agroinfiltrated leaves.The Plant journal : for cell and molecular biology · 2021Article
- Multi-metal tolerance of DHHC palmitoyl transferase-like protein isolated from metal contaminated soil.Ecotoxicology (London, England) · 2021Article
- Trace elements in Athyrium distentifolium from alpine vegetation in the Karkonosze, SW Poland.Environmental monitoring and assessment · 2020Article
- Zinc and Copper Enhance Cucumber Tolerance to Fusaric Acid by Mediating Its Distribution and Toxicity and Modifying the Antioxidant System.International journal of molecular sciences · 2020Article
- Interaction Between Zn Deficiency, Toxicity and Turnip Yellow Mosaic Virus Infection inFrontiers in plant science · 2020Article
- Review
- Biogeochemical behavior of nickel under different abiotic stresses: toxicity and detoxification mechanisms in plants.Environmental science and pollution research international · 2019Review
- Spatiotemporal heterogeneity of photosystem II function during acclimation to zinc exposure and mineral nutrition changes in the hyperaccumulator Noccaea caerulescens.Environmental science and pollution research international · 2019Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Metal hyperaccumulation, in which plants store exceptional concentrations of metals in their shoots, is an unusual trait whose evolutionary and ecological significance has prompted extensive debate. Hyperaccumulator plants are usually found on metalliferous soils, and it has been proposed that hyperaccumulation provides a defense against herbivores and pathogens, an idea termed the 'elemental defense' hypothesis. We have investigated this hypothesis using the crucifer Thlaspi caerulescens, a hyperaccumulator of zinc, nickel, and cadmium, and the bacterial pathogen Pseudomonas syringae pv. maculicola (Psm). Using leaf inoculation assays, we have shown that hyperaccumulation of any of the three metals inhibits growth of Psm in planta. Metal concentrations in the bulk leaf and in the apoplast, through which the pathogen invades the leaf, were shown to be sufficient to account for the defensive effect by comparison with in vitro dose-response curves. Further, mutants of Psm with increased and decreased zinc tolerance created by transposon insertion had either enhanced or reduced ability, respectively, to grow in high-zinc plants, indicating that the metal affects the pathogen directly. Finally, we have shown that bacteria naturally colonizing T. caerulescens leaves at the site of a former lead-zinc mine have high zinc tolerance compared with bacteria isolated from non-accumulating plants, suggesting local adaptation to high metal. These results demonstrate that the disease resistance observed in metal-exposed T. caerulescens can be attributed to a direct effect of metal hyperaccumulation, which may thus be functionally analogous to the resistance conferred by antimicrobial metabolites in non-accumulating plants.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.