Paper · 2025 · Environmental Chemistry and Ecotoxicology

CdS nanoparticles may disrupt nitrogen and carbon metabolism in spinach (Spinacia oleracea L.) through different exposure pathways

Hameed Ullah; Zheng Wang; Weihan Xu; et al.

9
claims
18
verbatim quotes
2
citations
2
research areas
✓
Open access · cc-by-nc-nd

Abstract

Cadmium (Cd) contamination is a significant global environmental issue due to its toxic effects on plant and human health. However, the specific impacts of cadmium sulfide nanoparticles (CdS NPs) on plants, including the underlying molecular mechanisms, toxicity, uptake, and accumulation, remain poorly understood. This study explored the influence of CdS NPs on spinach plants by combining phenotypic and metabolomics analyses. Spinach plants were exposed to CdS NPs (0.005, 0.01, 0.2, 0.4, and 1 mg/L) and Cd ions (0.1 mg/L) through foliar and root for three weeks. Results indicated that root exposure had a more pronounced impact on biomass, plant height, leaf structure, and chlorophyll content than foliar exposure. Cd and CdS NPs uptake in root and shoot were confirmed through Inductively Coupled Plasma Mass Spectrometry (ICP-MS), Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), and Energy-Dispersive X-ray Spectroscopy (EDS), respectively and/or jointly. Metabolomics analysis revealed that CdS NPs altered nitrogen metabolism, carbon metabolism, tyrosine metabolism, and isoquinoline alkaloid biosynthesis, which are crucial for plant growth, development, and survival. These findings enhance comprehension of the intrinsic phenotypic and metabolic alterations induced by CdS NPs in spinach plants. • Hydroponic exposure induced more pronounced phenotypic responses. • Foliar exposure resulted in higher plant Cd content than root exposure. • TEM confirmed CdS NPs translocation between leaves and roots. • CdS NPS altered nitrogen metabolism, carbon metabolism, and tyrosine metabolism. • The impacted metabolites were linked to growth, development, and survival.

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Claims 9

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Root exposure had a more pronounced impact on spinach biomass than foliar exposure.

Treatment
root exposuree0
Outcome
biomasse0
Comparator
foliar exposuree0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spinacia oleracea
Spinacia oleracea · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“root exposure had a more pronounced impact on biomass, plant height, leaf structure, and chlorophyll content than foliar exposure”

✓ located verbatim in the source · abstract, characters 592–721 · show in text ↑
t0

“spinach (Spinacia oleracea L.)”

✓ located verbatim in the source · title, characters 64–94 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Root exposure had a more pronounced impact on spinach plant height than foliar exposure.

Treatment
root exposuree0
Outcome
plant heighte0
Comparator
foliar exposuree0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spinacia oleracea
Spinacia oleracea · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“root exposure had a more pronounced impact on biomass, plant height, leaf structure, and chlorophyll content than foliar exposure”

✓ located verbatim in the source · abstract, characters 592–721 · show in text ↑
t0

“spinach (Spinacia oleracea L.)”

✓ located verbatim in the source · title, characters 64–94 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Root exposure had a more pronounced impact on spinach leaf structure than foliar exposure.

Treatment
root exposuree0
Outcome
leaf structuree0
Comparator
foliar exposuree0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spinacia oleracea
Spinacia oleracea · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“root exposure had a more pronounced impact on biomass, plant height, leaf structure, and chlorophyll content than foliar exposure”

✓ located verbatim in the source · abstract, characters 592–721 · show in text ↑
t0

“spinach (Spinacia oleracea L.)”

✓ located verbatim in the source · title, characters 64–94 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Root exposure had a more pronounced impact on spinach chlorophyll content than foliar exposure.

Treatment
root exposuree0
Outcome
chlorophyll contente0
Comparator
foliar exposuree0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spinacia oleracea
Spinacia oleracea · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“root exposure had a more pronounced impact on biomass, plant height, leaf structure, and chlorophyll content than foliar exposure”

✓ located verbatim in the source · abstract, characters 592–721 · show in text ↑
t0

“spinach (Spinacia oleracea L.)”

✓ located verbatim in the source · title, characters 64–94 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Cd and CdS NPs uptake was confirmed in spinach roots and shoots.

Organ / stage
root and shoote0
Outcome
Cd and CdS NPs uptake in root and shoote0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spinacia oleracea
Spinacia oleracea · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Cd and CdS NPs uptake in root and shoot were confirmed”

✓ located verbatim in the source · abstract, characters 723–777 · show in text ↑
t0

“spinach (Spinacia oleracea L.)”

✓ located verbatim in the source · title, characters 64–94 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Foliar exposure yielded higher spinach Cd content than root exposure.

Treatment
Foliar exposuree0
Outcome
plant Cd contente0
Direction
highere0
Comparator
root exposuree0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spinacia oleracea
Spinacia oleracea · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Foliar exposure resulted in higher plant Cd content than root exposure”

✓ located verbatim in the source · abstract, characters 1409–1479 · show in text ↑
t0

“spinach (Spinacia oleracea L.)”

✓ located verbatim in the source · title, characters 64–94 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

TEM confirmed CdS NP translocation between spinach leaves and roots.

Organ / stage
leaves and rootse0
Outcome
CdS NPs translocation between leaves and rootse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spinacia oleracea
Spinacia oleracea · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“TEM confirmed CdS NPs translocation between leaves and roots”

✓ located verbatim in the source · abstract, characters 1483–1543 · show in text ↑
t0

“spinach (Spinacia oleracea L.)”

✓ located verbatim in the source · title, characters 64–94 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

CdS NPs altered spinach nitrogen, carbon and tyrosine metabolism.

Treatment
CdS NPSe0
Outcome
nitrogen metabolism, carbon metabolism, and tyrosine metabolisme0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spinacia oleracea
Spinacia oleracea · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“CdS NPS altered nitrogen metabolism, carbon metabolism, and tyrosine metabolism”

✓ located verbatim in the source · abstract, characters 1547–1626 · show in text ↑
t0

“spinach (Spinacia oleracea L.)”

✓ located verbatim in the source · title, characters 64–94 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

CdS NPs altered isoquinoline alkaloid biosynthesis in spinach.

Treatment
CdS NPse0
Outcome
isoquinoline alkaloid biosynthesise0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Spinacia oleracea
Spinacia oleracea · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“CdS NPs altered nitrogen metabolism, carbon metabolism, tyrosine metabolism, and isoquinoline alkaloid biosynthesis”

✓ located verbatim in the source · abstract, characters 1030–1145 · show in text ↑
t0

“spinach (Spinacia oleracea L.)”

✓ located verbatim in the source · title, characters 64–94 · show in text ↑

application · nutrient: content · Spinacia oleracea (spinach)Positive and negative results

16 papers: 14 positive, 2 negative or no effect

1 paper in the same direction as this paper · 14 in the opposite direction

  1. positive
  2. positive
  3. positive

12 papers more in this group

See all 16 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.