Growth and metabolic differences in the potential of phytoremediation between two hybrid bermudagrasses in roots, stems, and leaves under cadmium stress

Lin, Junnan; Lin, Long; Shi, Jiaai; Zhou, Min; Yuan, Yan; Li, Zhou

doi:10.1016/j.envexpbot.2024.105767

Environmental and Experimental Botany

2024

DOI: 10.1016/j.envexpbot.2024.105767

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Growth and metabolic differences in the potential of phytoremediation between two hybrid bermudagrasses in roots, stems, and leaves under cadmium stress

Junnan Lin,

Long Lin,

Jiaai Shi

et al.

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Cited by 3 publications

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Cadmium content, metabolite profile, biological properties of Eclipta alba (L.) Hassk plant exposed to elevated cadmium in soil

Dwivedi,

Singh,

Kumar

et al. 2024

Environmental and Experimental Botany

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Cadmium content, metabolite profile, biological properties of Eclipta alba (L.) Hassk plant exposed to elevated cadmium in soil

Dwivedi,

Singh,

Kumar

et al. 2024

Environmental and Experimental Botany

View full text Add to dashboard Cite

Ecological characteristics of tall fescue and spatially organized communities: Their contribution to mitigating cadmium damage

Ran,

Li,

et al. 2024

Journal of Hazardous Materials

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Lipid remodelling and the conversion of lipids into sugars associated with tolerance to cadmium toxicity during white clover seed germination

Lin,

Zhou

et al. 2024

Physiologia Plantarum

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Cadmium (Cd) is a leading environmental issue worldwide. The current study was conducted to investigate Cd tolerance of 10 commercial white clover (Trifolium repens) cultivars during seed germination and to further explore differences in lipid remodelling, glycometabolism, and the conversion of lipids into sugars contributing to Cd tolerance in the early phase of seedling establishment as well as the accumulation of Cd in seedlings and mature plants. The results show that Cd stress significantly reduced seed germination of 10 cultivars. Compared to Cd‐sensitive Sulky, Cd‐tolerant Pixie accelerated amylolysis to produce more glucose, fructose, and sucrose by maintaining higher amylase and sucrase activities under Cd stress. Pixie maintained higher contents of various lipids, higher DGDG/MGDG ratio, and lower unsaturation levels of lipids, which could be beneficial to membrane stability and integrity as well as signal transduction in cells after being subjected to Cd stress. In addition, Pixie upregulated expression levels of key genes (TrACX1, TrACX4, TrSDP6, and TrPCK1) involved in the conversion of lipids into sugars for early seedling establishment under Cd stress. These findings indicate that lipid remodelling, enhanced glycometabolism, and accelerated conversion of lipids into sugars are important adaptive strategies for white clover seed germination and subsequent seedling establishment under Cd stress. In addition, Pixie not only accumulated more Cd in seedlings and mature plants than Sulky but also had significantly better growth and phytoremediation efficiency under Cd stress. Pixie could be used as a suitable and critical germplasm for the rehabilitation and re‐establishment of Cd‐contaminated areas.

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Growth and metabolic differences in the potential of phytoremediation between two hybrid bermudagrasses in roots, stems, and leaves under cadmium stress

Cited by 3 publications

References 76 publications

Cadmium content, metabolite profile, biological properties of Eclipta alba (L.) Hassk plant exposed to elevated cadmium in soil

Cadmium content, metabolite profile, biological properties of Eclipta alba (L.) Hassk plant exposed to elevated cadmium in soil

Ecological characteristics of tall fescue and spatially organized communities: Their contribution to mitigating cadmium damage

Lipid remodelling and the conversion of lipids into sugars associated with tolerance to cadmium toxicity during white clover seed germination

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