Cadmium effects on mineral nutrition of the Cd-hyperaccumulator Pfaffia glomerata

Gomes, Marcelo Pedrosa; Marques, Teresa Cristina Lara Lanza Sá e Melo; Soares, Ângela Maria

doi:10.2478/s11756-013-0005-9

Cited by 50 publications

(39 citation statements)

References 61 publications

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“…1), up to values above the hyperaccumulation threshold, suggesting that, Moneymaker, the variety of tomato used in our study, is as a facultative hyperaccumulator. This is further confirmed by the values of Ca and Mg on the leaves which remain stable with increasing Cd in the leaves, as seen for other hyperaccumulator plants (Gomes et al 2013, Pereira et al 2017).…”

Section: Discussionsupporting

confidence: 75%

Effect of cadmium accumulation on the performance of plants and of herbivores that cope differently with organic defences

Godinho¹,

Serrano²,

Silva³

et al. 2018

Preprint

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Some plants can accumulate in their shoots metals that are toxic to most other organisms. This ability may serve as a defence against herbivores. Although both metal accumulation and the production of organic defences may be costly to the plant, the two mechanisms may interact on their effect on herbivores. However, this interplay between metal-based and 'classical' organic defences remains overlooked.Additionally, we show that the induction and suppression of plant defences by spider mites was not affected by Cd supply to the plants. Furthermore, the effect of metal supply on spidermite performance was not affected by previous infestation. Together, our results suggest no interaction between metal-based and organic plant defences, on our system. This may be useful for plants living in heterogeneous environments, as they may use one or the other defence mechanism, depending on their relative performance in each environment. This may be relevant to studies on the interactions between herbivores and plants, from physiology to ecology.

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Section: Discussionsupporting

confidence: 75%

Effect of cadmium accumulation on the performance of plants and of herbivores that cope differently with organic defences

Godinho¹,

Serrano²,

Silva³

et al. 2018

Preprint

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“…Khan et al, ). Higher concentrations of Cd in food plants inhibit the accumulation and distribution of essential macronutrients and micronutrients and elicit the nutritional deficiency (Gomes, Marques, & Soares, ) and metabolic dysfunctioning (Marshner, ).…”

Section: Introductionmentioning

confidence: 99%

“…As can also negatively interfere the plant metabolic activities, the production of reactive oxygen species and the reduction of the bioaccumulation of essential nutrients (Gusman, Oliveira, Farnese, & Cambraia, 2013. Higher concentrations of Cd in food plants inhibit the accumulation and distribution of essential macronutrients and micronutrients and elicit the nutritional deficiency (Gomes, Marques, & Soares, 2013) and metabolic dysfunctioning (Marshner, 2012).…”

Section: Introductionmentioning

confidence: 99%

Arsenic interaction and bioaccumulation in food crops grown on degraded soil: Effect on plant nutritional components and other dietary qualities

Khan

et al. 2019

Land Degrad Dev

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Arsenic (As), being a toxic metalloid, is widely found in degraded land and severely affects the health of plants and human beings. Pot experiments were conducted to assess the effects of As on plant nutritional values (macronutrients and micronutrients). Three vegetables (potato, tomato, and lettuce), on the basis of taxonomic differences, were selected and grown on As degraded soils at four different concentrations (0, 0.5, 1.0, and 1.5 mg kg−1); additionally, the effect of Cd and Pb on the As uptake by plants was studied. The edible parts were analysed for As, Cd, Pb, and essential macronutrients (vitamin C, protein, N, P, and K) and micronutrients (Ca, Mg, Fe, and Mn). The As concentrations in lettuce, potato, and tomato were 0.76, 0.63, 0.57 mg kg−1, respectively, grown in soil with no contamination, whereas in contaminated vegetables, the concentration varied significantly depending upon the level of contamination. As interaction with Cd and Pb showed negative correlation, generally, with increasing of As concentration, the Cd and Pb concentrations decreased; however, this trend was not consistent for all treatments and selected plant species. The nutrient concentrations significantly (p < .001) varied in contaminated vegetables compared with the control. The amendments of As significantly (p < .01) increased the concentrations of Ca, N, and protein, whereas P and K concentrations were decreased. The correlation between As with Mn, Mg, and vitamin C depended upon the types of vegetables and the contamination levels. Mn contribution to the Recommended Dietary Allowance was significantly (p < .01) lower for contaminated vegetables, whereas less significant (p = .05) for Fe, Mg, P, and K and non‐significant for Ca, N, and protein for different age groups. It was observed that As degraded soil affected the quality and nutritional balance in vegetables and potentially the nutrient status of consumers. The nutrients degradation in contaminated vegetables was obviously higher because As concentration reduce soil to plant transfer of essential elements by forming metal‐oxide complexes.

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“…Optimal plant nutrition is a good strategy in alleviation of the deleterious effects of Cd on plants and can contribute to the increase of plant tolerance to Cd (SARWAR et al 2010). Maintenance of uptake and transport of Mg to shoots may contribute to the chlorophyll biosynthesis and protect photosynthetic system under Cd stress (GOMES et al 2013).…”

Section: Discussionmentioning

confidence: 99%

Responses of Wheat (Triticum Aestivum L.) and Maize (Zea Mays L.) Plants to Cadmium Toxicity in Relation to Magnesium Nutrition

Nikolić

Pajević

Župunski

et al. 2014

Acta Botanica Croatica

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-The infl uence of cadmium (Cd) on physiological processes in wheat (Triticum aestivum L.) and maize (Zea mays L.) plants exposed to either optimal mineral nutrition or the absence of magnesium (Mg) as well as the accumulation of cadmium and magnesium in plant organs were studied using the method of water culture in a greenhouse. Cd treatment reduced shoot fresh mass more strongly in Mg-supplied than in Mg-defi cient plants. Negative effect of Cd on photosynthetic activity was more pronounced in T. aestivum than in Z. mays plants. Cd treatment decreased leaf chlorophyll and carotenoid concentration in both Z. mays and T. aestivum, irrespective of the Mg supply. Cd was preferentially accumulated in the roots of both species. Catalase activity in T. aestivum leaves and roots was unaffected by Cd and Mg supply. Cd treatment did not affect Fe accumulation in the leaves of either species, while in the roots a considerable increase occurred, irrespective of the Mg nutrition. Higher tolerance of Z. mays and T. aestivum plants to Cd toxicity exposed to Mg defi ciency could partly be ascribed to the preservation of Fe nutrition.

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Cadmium effects on mineral nutrition of the Cd-hyperaccumulator Pfaffia glomerata

Cited by 50 publications

References 61 publications

Effect of cadmium accumulation on the performance of plants and of herbivores that cope differently with organic defences

Effect of cadmium accumulation on the performance of plants and of herbivores that cope differently with organic defences

Arsenic interaction and bioaccumulation in food crops grown on degraded soil: Effect on plant nutritional components and other dietary qualities

Responses of Wheat (Triticum Aestivum L.) and Maize (Zea Mays L.) Plants to Cadmium Toxicity in Relation to Magnesium Nutrition

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