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Cadmium transfer and detoxification mechanisms in a soil–mulberry–silkworm system: phytoremediation potential
Abstract
Phytoremediation has been proven to be an environmentally sound alternative for the recovery of contaminated soils, and the economic profit that comes along with the process might stimulate its field use. This study investigated cadmium (Cd) transfer and detoxification mechanisms in a soil-mulberry-silkworm system to estimate the suitability of the mulberry and silkworm as an alternative method for the remediation of Cd-polluted soil; it also explored the underlying mechanisms regulating the trophic transfer of Cd. The results show that both the mulberry and silkworm have high Cd tolerance. The transfer factor suggests that the mulberry has high potential for Cd extraction from polluted soil. The subcellular distribution and chemical forms of Cd in mulberry leaves show that cell wall deposition and vacuolar compartmentalization play important role in Cd tolerance. In the presence of increasing Cd concentrations in silkworm food, detoxification mechanisms (excretion and homeostasis) were activated so that excess Cd was excreted in fecal balls, and metallothionein levels in the mid-gut, the posterior of the silk gland, and the fat body of silkworms were enhanced. And, the Cd concentrations in silk are at a low level, ranging from 0.02 to 0.21 mg kg(-1). Therefore, these mechanisms of detoxification can regulate Cd trophic transfer, and mulberry planting and silkworm breeding has high phytoremediation potential for Cd-contaminated soil.
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“The mulberry plant accumulated high levels of Cd, and the Cd was transferred into silkworm.”
From Sustainable management of post-phytoremediation biomass (2025) · cites this paper as Zhou et al. 2015
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Cited by
Sorted by citations
Sustainable management of post-phytoremediation biomass
Mukherjee, S., Leri, A. C., Bandaranayaka, C., Vázquez-Núñez, E., Barros, R., Khan, A. H. A., Zhou, P., Zhang, T., Bernal, M. P., Clemente, R., et al. (2025) · Energy, Ecology and Environment · doi:10.1007/s40974-025-00364-w · Cited by 45
“In one study, mulberry ( Morus alba ) biomass from phytoremediation of Cd-contaminated soil was investigated as a feedstock for cultivation of silkworm ( Bombyxmori ) spawns (Zhou et al. 2015), and the transfer of Cd among trophic levels was examined.”
Metadata
- Authors
- Zhou, L., Zhao, Y., & Wang, S.
- Affiliations
- Beijing Normal University (CN)
- Corresponding author
- Zhao, Ye
- Venue
- Environmental Science and Pollution Research
- Published
- 2015-07-15
- Volume
- 22
- Issue
- 22
- Pages
- 18031-18039
- ISSN
- 0944-1344 (ISSN-L)
- 1614-7499
- OpenAlex
- W904635432
- Cited by
- 44
- References
- 0
- Citations by year
- 2026: 3 · 2025: 4 · 2024: 3 · 2023: 5 · 2022: 4 · 2021: 7 · 2020: 5 · 2019: 4 · 2018: 4 · 2017: 4 · 2016: 1
- FWCI
- 1.86
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Environmental Science and Pollution Research (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Pollution › Heavy metals in environment
- Life Sciences › Agricultural and Biological Sciences › Insect Science › Silkworms and Sericulture Research
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
- Keywords
- cadmium, phytoremediation, mulberry, Bombyx mori, soil contamination, cadmium detoxification, metallothionein, vacuolar compartmentalization, cell wall deposition, transfer factor, cadmium excretion, trophic transfer, metal tolerance
- MeSH terms
- Animals, Biodegradation, Environmental, Cadmium, Bombyx, Soil, Soil Pollutants, Morus
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