Research Progress in the Toxic Effects of Titanium Dioxide Nanoparticles on Plants

doi:10.13560/j.cnki.biotech.bull.1985.2024-0846

Abstract

Abstract:

Since the 21st century, the development and application of nanomaterials have accelerated and expanded significantly, with nano titanium dioxide (TiO₂ NPs) emerging as the most prolific nano metal oxide in terms of annual production. Its widespread use has not only facilitated numerous advancements but has also raised concerns regarding its toxic effects on plants. A systematic review of the mechanisms and causes underlying the toxicity of TiO₂ NPs is therefore both critical and timely. This paper summarizes the fundamental pathways through which TiO₂ NPs exert toxicity on plants and analyzes their toxic effects, both individually and in combination with other pollutants, across various dimensions including visible growth, physiology, biochemistry and molecular levels. Furthermore, this paper prospected the future research directions aimed at deepening our understanding of toxicity mechanisms, expanding the research scope and fostering innovation and application of nanotechnology. These efforts are intended to enhance our ability to assess environmental risks associated with nanomaterials and provide a scientific foundation for the sustainable application of nanomaterials in agriculture and environmental fields.

Key words: titanium dioxide nanoparticles (TiO₂ NPs), plants, toxic effects, joint stress

JIANG Li-si, LI Wen-yuan, ZHANG Yu-qi, YANG Yang-wen-di, LIU Zi-rui, FU Wei. Research Progress in the Toxic Effects of Titanium Dioxide Nanoparticles on Plants[J]. Biotechnology Bulletin, 2025, 41(5): 32-41.

Figures/Tables 3

References 52

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浓度 Concentration （mg/L）	植物 Plant	影响 Influence	参考文献Reference
10-20	野菊花Chrysanthemum indicum L.	提升抗氧化酶活性 Enhances antioxidant enzyme activity	［13］
20	小麦Triticum aestivum L.	提高生物量；缓解水胁迫 Increasing biomass； mitigation of water stress	［14］
60	玉米Zea mays L.	提升抗氧化酶活性；缓解盐胁迫 Enhances antioxidant enzyme activity； mitigation of salt stress	［16］
100、200	桑树Morusalba L.	抑制根长、芽长 Inhibition of root and shoot length	［17］
10-50	菜豆Phaseolus vulgaris L.	提升抗氧化酶活性；脂质过氧化 Enhances antioxidant enzyme activity； lipid peroxidation	［24］
200-500	浮萍Lemna minor L.	细胞质膜损伤 Cytoplasmic membrane damage	［26］
100	龙头草Meehania henryi Hemsl.	提升抗氧化酶活性；缓解盐胁迫 Enhanced antioxidant enzyme activity； mitigation of salt stress	［28］
10	拟南芥Arabidopsis thaliana L.	提升抗氧化酶活性；屏蔽紫外辐射 Enhances antioxidant enzyme activity； shielding against ultraviolet radiation	［30］
200	菠菜Spinacia oleracea L.	抑制光合作用 Inhibition of photosynthesis	［37］
25-200	扁豆Lens culinaris	DNA损伤；细胞质膜损伤 DNA damage； cytoplasmic membrane damage	［38］
10	萝卜Raphanus sativus L.	DNA损伤 DNA damage	［39］
40	紫衫种子Vicia narbonensis L.	DNA损伤 DNA damage	［40］
2 000	洋葱Allium cepa L.	细胞周期延滞；染色体畸变 Cell cycle arrest； chromosomal aberrations	［41］

浓度 Concentration （mg/L）	植物 Plant	影响 Influence	参考文献Reference
10-20	野菊花Chrysanthemum indicum L.	提升抗氧化酶活性 Enhances antioxidant enzyme activity	［13］
20	小麦Triticum aestivum L.	提高生物量；缓解水胁迫 Increasing biomass； mitigation of water stress	［14］
60	玉米Zea mays L.	提升抗氧化酶活性；缓解盐胁迫 Enhances antioxidant enzyme activity； mitigation of salt stress	［16］
100、200	桑树Morusalba L.	抑制根长、芽长 Inhibition of root and shoot length	［17］
10-50	菜豆Phaseolus vulgaris L.	提升抗氧化酶活性；脂质过氧化 Enhances antioxidant enzyme activity； lipid peroxidation	［24］
200-500	浮萍Lemna minor L.	细胞质膜损伤 Cytoplasmic membrane damage	［26］
100	龙头草Meehania henryi Hemsl.	提升抗氧化酶活性；缓解盐胁迫 Enhanced antioxidant enzyme activity； mitigation of salt stress	［28］
10	拟南芥Arabidopsis thaliana L.	提升抗氧化酶活性；屏蔽紫外辐射 Enhances antioxidant enzyme activity； shielding against ultraviolet radiation	［30］
200	菠菜Spinacia oleracea L.	抑制光合作用 Inhibition of photosynthesis	［37］
25-200	扁豆Lens culinaris	DNA损伤；细胞质膜损伤 DNA damage； cytoplasmic membrane damage	［38］
10	萝卜Raphanus sativus L.	DNA损伤 DNA damage	［39］
40	紫衫种子Vicia narbonensis L.	DNA损伤 DNA damage	［40］
2 000	洋葱Allium cepa L.	细胞周期延滞；染色体畸变 Cell cycle arrest； chromosomal aberrations	［41］

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