Selenium content and nutritional quality of Brassica chinensis L enhanced by selenium engineered nanomaterials: The role of surface charge

Wang, Chuanxi; Liu, Xiaofei; Chen, Feiran; Yue, Le; Cao, Xuesong; Li, Jing; Cheng, Bingxu; Wang, Zhenyu; Xing, Baoshan

doi:10.1016/j.envpol.2022.119582

Cited by 14 publications

(9 citation statements)

References 73 publications

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“…63 Therefore, positively charged NMs are more likely to be absorbed and captured by the cell wall due to electrostatic attraction, while negatively charged NMs are more likely to be transported due to electrostatic repulsion. 63,64 Besides, the expression of plant defencerelated genes also varied according to the time-length of the application, suggesting that the exposure time of Si NMs could directly affect defence-related gene expression. For instance, defence-related genes may have been activated during early stages of stress, while stress mitigation with prolonged application of Si NMs could result in a decreased gene expression.…”

Section: Environmental Science: Nano Papermentioning

confidence: 99%

Nanosilicon alters oxidative stress and defence reactions in plants: a meta-analysis, mechanism and perspective

Fan

Zhao

Yue

et al. 2022

Environ. Sci.: Nano

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Section: Environmental Science: Nano Papermentioning

confidence: 99%

Nanosilicon alters oxidative stress and defence reactions in plants: a meta-analysis, mechanism and perspective

Fan

Zhao

Yue

et al. 2022

Environ. Sci.: Nano

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“…Many studies have been carried out on the biological activity and biosynthesis of SeNPs 41 . At present, SeNPs have been applied in multiple crops such as corn 42 , tomato 43 , radish 44 and shepherd's purse 45 . However, most of the studies of selenium enrichment strategies in rice and wheat are based on inorganic selenium (selenite and selenate), and there are few reports on nano-selenium.…”

Section: Resultsmentioning

confidence: 99%

Development and application of a new biological nano-selenium fermentation broth based on Bacillus subtilis SE201412

Huang

Wen

et al. 2023

Sci Rep

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In order to improve the functionality and additional value of agricultural products, this study developing nano-selenium fermentation broth and established a new application strategy of bio-nano-selenium by screening and identifying selenium-rich microorganisms. We isolated a new strain from tobacco waste and named it Bacillus subtilis SE201412 (GenBank accession no. OP854680), which could aerobically grow under the condition of 66,000 mg L−1 selenite concentration, and could convert 99.19% of selenite into biological nano-selenium (BioSeNPs) within 18 h. Using strain SE201412, we industrially produced the different concentrations of fermentation broth containing 5000–3000 mg L−1 pure selenium for commercial use. The synthesized selenium nanoparticles (SeNPs) were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and nanoparticle tracking analysis (NTA). TEM and SEM results showed that SeNPs were distributed outside cells. NTA assay of fermentation broth indicated that the nanoparticles were spherical with an average particle size of 126 ± 0.5 nm. Toxicity test revealed that the median lethal dose (LD50) of the fermentation broth to mice was 2710 mg kg−1, indicating its low toxicity and high safety. In addition, we applied BioSeNP fermentation broth to rice and wheat through field experiments. The results showed that the application of fermentation broth significantly increased the total selenium content and organic selenium percentage in rice and wheat grains. Our findings provide valuable reference for the development of BioSeNPs with extensive application prospects.

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“…Negatively charged Au NPs were found in the roots of Arabidopsis (Arabidopsis thaliana), and positively charged Au NPs were not detected in the roots cell (Avellan et al, 2017). Negative polarity Se NPs were more abundant in the Bok Choy (Brassica chinensis L.) shoots (Wang et al, 2022b). This also shows that negatively charged cell walls may play a role in the retention of positively charged NPs in roots, thus giving us ideas for the creation of nanopesticides or nanofertilizers in the future.…”

Section: The Interaction Between Nanomaterials and The Cell Wallmentioning

confidence: 95%

Translocation and transformation of engineered nanomaterials in plant cells and their effect on metabolism

Zhao¹,

Zhou²,

Lou³

et al. 2023

Biocell

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As the climate worsens and the demand for food grows, so does the interest in nanoagriculture. The interaction between plants and nanomaterials (NMs) has been extensively and intensively examined. However, stopping at the outcome of a phenomenon is often insufficient. Therefore, we introduce three important processes of nanoparticleplant interactions: translocation, transformation, and plant metabolism. During the migration of nanoparticles, size and surface electrical properties are the main determining factors. Additionally, the interaction of nanoparticles with cell membranes is another key aspect of research. The transformation of nanoparticles in plants is mainly due to redox substances. The way that nanoparticles affect plant metabolism may be able to shed light on the interaction of nanoparticles with plants. This review adds to the existing knowledge on the design of nanoagrochemicals and summarizes the mechanism of interaction of NMs with plants. In this way, NMs can be used for their beneficial effects and thus contribute to the maintenance of food security and sustainable development.

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Selenium content and nutritional quality of Brassica chinensis L enhanced by selenium engineered nanomaterials: The role of surface charge

Cited by 14 publications

References 73 publications

Nanosilicon alters oxidative stress and defence reactions in plants: a meta-analysis, mechanism and perspective

Nanosilicon alters oxidative stress and defence reactions in plants: a meta-analysis, mechanism and perspective

Development and application of a new biological nano-selenium fermentation broth based on Bacillus subtilis SE201412

Translocation and transformation of engineered nanomaterials in plant cells and their effect on metabolism

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