Enhancing lettuce yield via Cu/Fe-layered double hydroxide nanoparticles spraying.
Layered double hydroxides
Lettuce
Phenotypic analysis
Journal
Journal of nanobiotechnology
ISSN: 1477-3155
Titre abrégé: J Nanobiotechnology
Pays: England
ID NLM: 101152208
Informations de publication
Date de publication:
11 Nov 2023
11 Nov 2023
Historique:
received:
13
09
2023
accepted:
26
10
2023
medline:
13
11
2023
pubmed:
11
11
2023
entrez:
11
11
2023
Statut:
epublish
Résumé
Layered double hydroxides (LDHs) have been widely used in the field of plant engineering, such as DNA/RNA transformation and enhancing plant disease resistance. However, few studies have examined the direct effects of LDHs on plants and their potential utility as nanofertilizers. In this study, the retention capacity of Cu/Fe-layered double hydroxide nanoparticles (CuFe-LDHs) was assessed by comparative experiments on vegetables. The results showed that the retention of CuFe-LDHs in leafy vegetables was high, such as lettuce. Phenotypic analysis revealed that the fresh and dry weights of lettuce leaves were both increased by spraying 10-100 μg/mL CuFe-LDHs. Using the optimal concentration of 10 μg/mL, we conducted further experiments to elucidate the mechanism of CuFe-LDHs promoting lettuce growth. It was found that the application of CuFe-LDHs had a significant effect on growth and induced physiological, transcriptomic, and metabolomic changes, including an increase in the chlorophyll b content, net photosynthetic rate, and intercellular carbon dioxide concentration, as well as modifications in gene expression patterns and metabolite profiles. This work provides compelling evidence that CuFe-LDHs can efficiently adsorb on the surface of lettuce leaves through hydrogen bonding, promote lettuce growth, mitigate the toxicity of heavy metal ions compared to their raw materials at the same concentration and offer a molecular-scale insight into the response of leafy vegetables to CuFe-LDHs.
Identifiants
pubmed: 37950234
doi: 10.1186/s12951-023-02178-6
pii: 10.1186/s12951-023-02178-6
pmc: PMC10638715
doi:
Substances chimiques
hydroxide ion
9159UV381P
Hydroxides
0
Metals, Heavy
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
417Subventions
Organisme : the National Natural Science Foundation of China
ID : 32002115
Organisme : the National Key Research and Development Program, China
ID : 2022YFD1602403
Informations de copyright
© 2023. The Author(s).
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