ArticleEcotoxicology (London, England)2021
Metabolic response of bok choy leaves under chromium pollution stress.
Article in Ecotoxicology (London, England), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 7 citations in OpenAlex.
- High sulfate exacerbates heavy metal toxicity in Chinese cabbage (Brassica chinensis L.) by impairing plant ROS scavenging in heavy metals contaminated soil.BMC plant biology · 2026Article
- Optimization of composite microbial agents containing plant inter-root growth-promoting bacteria and verification using mini Chinese cabbage (Frontiers in plant science · 2025Article
- Genome Sequence Resource of Bacillus velezensis Strain ML61, a Potential Biocontrol Bacterium Isolated from the Rhizosphere of Bok Choy (Brassica rapa var.Microbiology resource announcements · 2023Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
Chromium (Cr) pollution in farmlands is a common environmental issue, that can seriously inhibit plant growth, damage plant cells, and even cause plant death. In this study, bok choy (Brassica campestris L. ssp. chinensis Makino (var. communis Tsen et Lee)) was selected as a model plant to investigate the metabolic response to Cr stress at concentrations of 2.0 mg/L and 8.0 mg/L. Metabolites were identified using gas chromatography-mass spectrometry. Principal component analysis and orthogonal projections to latent structure discriminant analysis revealed the notable effect of Cr stress on the metabolites of bok choy. Under Cr stress, 145 metabolites were identified in the bok choy leaves. At 2.0 mg/L Cr stress, 10 and 26 metabolites changed compared to the control after 7 d and 14 d, respectively. At 8.0 mg/L Cr stress, 24 and 24 metabolites changed significantly after 7 and 14 d, respectively. The data showed that metabolism was affected by the Cr stress concentration and exposure time. Specifically, under the Cr stress, the tricarboxylic acid cycle, glutamine synthetase/glutamate synthase cycle, and partial amino acid metabolic pathways were blocked, inhibiting the normal growth and development of bok choy. The change of citric acid content was the most significant, and the accumulation of citric acid indicated the degree of plant Cr toxicity and resistance. These results would facilitate further dissection of the mechanisms of heavy metal accumulation/tolerance in plants and the effective management of such contamination in vegetable crops by genetic manipulation.
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