Cadmium sulfide quantum dots impact Arabidopsis thaliana physiology and morphology

Marmiroli, Marta; Mussi, Francesca; Pagano, Luca; Imperiale, Davide; Lencioni, Giacomo; Villani, Marco; Zappettini, A.; White, Jason C.; Marmiroli, Nelson

doi:10.1016/j.chemosphere.2019.124856

Cited by 24 publications

(26 citation statements)

References 62 publications

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“…Nanomaterials were also used as fertilizers, pesticides, or plant growth regulators , in agri-biotechnological applications. The influences of the type, particle size, surface charge, and surface modification of nanomaterials on plant growth also have been fully studied. − With an extensive application of nanomaterials, the toxicity of nanomaterials has become an important issue. Because crops safety is the first thing to ensure human food security.…”

Section: Introductionmentioning

confidence: 99%

Dose-Dependent Effect of ZnO Quantum Dots for Lettuce Growth

Liang

Pan

et al. 2021

ACS Omega

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As the cadmium-free semiconductor quantum dots, ZnO quantum dots (ZnO QDs) have wide potential applications in agriculture. However, the effects of ZnO quantum dots on crop growth and nutritional quality have not been fully studied. In this work, the lettuce was sprayed with different concentrations of ZnO QDs from 50 to 500 mg·L –1 to evaluate their influence on lettuce antioxidant, biomass, and nutritional quality. The results showed that ZnO QDs existed in the lettuce in the form of Zn 2+ . Lettuce treated with 500 mg·L –1 ZnO QDs would produce a large amount of reactive oxygen species (ROS), which adversely affected the absorption of nutrients, soluble protein content, and chlorophyll content, thus reducing plant biomass. When the concentrations range from 50 to 200 mg·L –1 , the antioxidant enzyme systems of lettuce were triggered to counteract the damage caused by excessive ROS. Moreover, ZnO QDs at this level promoted Ca, Mg, Fe, Mn, Zn, and B absorption and accumulation; increased soluble sugar content; and improved the lettuce biomass and nutritional quality.

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Section: Introductionmentioning

confidence: 99%

Dose-Dependent Effect of ZnO Quantum Dots for Lettuce Growth

Liang

Pan

et al. 2021

ACS Omega

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“…Causes and mechanisms of FNP toxicity vary. For Cd‐QDs, toxicity has commonly been attributed to the toxicity of Cd 2+ ions leaching from the core (Mei et al ., 2014; Alaraby et al ., 2015; Modlitbová et al ., 2018 a , b ), but many studies comparing Cd‐QDs and other Cd compounds have shown that toxicity cannot be explained by Cd 2+ leaching alone (Ambrosone et al ., 2012; Chen et al ., 2012; Marmiroli et al ., 2020). Reported toxicity mechanisms include the production of ROS, inhibition of cell division, changes in enzyme concentrations, DNA breakage, increased apoptosis rates as well as changes in gene expression in both animal and plant systems (Galeone et al ., 2012; Marmiroli et al ., 2014, 2020; Tian et al ., 2017; Das, Bandyopadhyay & Pramanik, 2018; Lian et al ., 2019).…”

Section: The Pros and Cons Of Various Fluorescent Toolsmentioning

confidence: 99%

“…For Cd‐QDs, toxicity has commonly been attributed to the toxicity of Cd 2+ ions leaching from the core (Mei et al ., 2014; Alaraby et al ., 2015; Modlitbová et al ., 2018 a , b ), but many studies comparing Cd‐QDs and other Cd compounds have shown that toxicity cannot be explained by Cd 2+ leaching alone (Ambrosone et al ., 2012; Chen et al ., 2012; Marmiroli et al ., 2020). Reported toxicity mechanisms include the production of ROS, inhibition of cell division, changes in enzyme concentrations, DNA breakage, increased apoptosis rates as well as changes in gene expression in both animal and plant systems (Galeone et al ., 2012; Marmiroli et al ., 2014, 2020; Tian et al ., 2017; Das, Bandyopadhyay & Pramanik, 2018; Lian et al ., 2019). The reported toxic responses to FCNPs (Chen et al ., 2016 a ; Chen et al ., 2018; Qian et al ., 2018; Zhang et al ., 2019 b ) and non‐cadmium QDs (Xu et al ., 2016; Kolackova et al ., 2019; Yang et al ., 2019) are similar: oxidative stress, gene expression and growth inhibition.…”

Section: The Pros and Cons Of Various Fluorescent Toolsmentioning

confidence: 99%

Fluorescent nanoparticles as tools in ecology and physiology

et al. 2021

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Fluorescent nanoparticles (FNPs) have been widely used in chemistry and medicine for decades, but their employment in biology is relatively recent. Past reviews on FNPs have focused on chemical, physical or medical uses, making the extrapolation to biological applications difficult. In biology, FNPs have largely been used for biosensing and molecular tracking. However, concerns over toxicity in early types of FNPs, such as cadmium-containing quantum dots (QDs), may have prevented wide adoption. Recent developments, especially in non-Cd-containing FNPs, have alleviated toxicity problems, facilitating the use of FNPs for addressing ecological, physiological and molecule-level processes in biological research. Standardised protocols from synthesis to application and interdisciplinary approaches are critical for establishing FNPs in the biologists' tool kit. Here, we present an introduction to FNPs, summarise their use in biological applications, and discuss technical issues such as data reliability and biocompatibility. We assess whether biological research can benefit from FNPs and suggest ways in which FNPs can be applied to answer questions in biology. We conclude that FNPs have a great potential for studying various biological processes, especially tracking, sensing and imaging in physiology and ecology.

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“…QDs have been found to produce reactive oxygen species (ROS) in cells, leading to oxidative stress, lipid membrane peroxidation, and even protein and DNA damage in plants. For instance, Marmiroli et al [31] . exposed Arabidopsis thaliana to 40 and 60 mg/L CdS QDs.…”

Section: Interaction Between Qds and Plantsmentioning

confidence: 99%

“…Most importantly, the plant effects of LNMs are often not caused by a single factor but are the result of the joint action of mechanisms. Marmiroli et al [31] . showed that CdS QDs not only cause oxidative stress in Arabidopsis thaliana but also block the roots, resulting in cessation of lateral root development and root tip necrosis.…”

Section: Plant Action Mechanisms Of Lnmsmentioning

confidence: 99%

Influence of Luminescent Nanomaterials on Plant Growth and Development

Han

et al. 2021

ChemNanoMat

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As an emerging research hotspot in nanotechnology, luminescent nanomaterials (LNMs) have attracted much attention due to their unique properties. Meanwhile, their potential release into the environment has also been investigated by researchers. Plants, as an essential part of the ecosystem, are the starting point of bioaccumulation. Thus, to understand the interaction between LNMs and plants would be one of the critical aspects of risk assessment. Currently, there are still very few reports in this field, where a potential guidance is urgently necessary. Bearing this in mind, herein, based on our own research experience, we summarize the effects of four typical kinds of LNMs (quantum dots, carbon dots, upconversion nanoparticles, and metal nanoclusters) on plant growth and development, including the transport of materials in plants and their toxicity to plants, as well as the according experimental techniques. Finally, the current challenges and prospects are pointed out, thereby hoping to provide a timely fundamental guidance for future research.

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Cadmium sulfide quantum dots impact Arabidopsis thaliana physiology and morphology

Cited by 24 publications

References 62 publications

Dose-Dependent Effect of ZnO Quantum Dots for Lettuce Growth

Dose-Dependent Effect of ZnO Quantum Dots for Lettuce Growth

Fluorescent nanoparticles as tools in ecology and physiology

Influence of Luminescent Nanomaterials on Plant Growth and Development

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