Abstract
BACKGROUND: Nanotechnology holds revolutionary potential in the field of agriculture, with zinc oxide nanoparticles (ZnO NPs) demonstrating advantages in promoting crop growth. Enhanced photosynthetic efficiency is closely linked to improved vigor and superior quality in tea plants, complemented by the beneficial role of phyllosphere microorganisms in maintaining plant health. However, the effects of ZnO NPs on the photosynthesis of tea plants, the sprouting of new shoots, and the community of phyllosphere microorganisms have not been fully investigated. RESULTS: This study investigated the photosynthetic physiological parameters of tea plants under the influence of ZnO NPs, the content of key photosynthetic enzymes such as RubisCO, chlorophyll content, chlorophyll fluorescence parameters, transcriptomic and extensive targeted metabolomic profiles of leaves and new shoots, mineral element composition in these tissues, and the epiphytic and endophytic microbial communities within the phyllosphere. The results indicated that ZnO NPs could enhance the photosynthesis of tea plants, upregulate the expression of some genes related to photosynthesis, increase the accumulation of photosynthetic products, promote the development of new shoots, and alter the content of various mineral elements in the leaves and new shoots of tea plants. Furthermore, the application of ZnO NPs was observed to favorably influence the microbial community structure within the phyllosphere of tea plants. This shift in microbial community dynamics suggests a potential for ZnO NPs to contribute to plant health and productivity by modulating the phyllosphere microbiome. CONCLUSION: This study demonstrates that ZnO NPs have a positive impact on the photosynthesis of tea plants, the sprouting of new shoots, and the community of phyllosphere microorganisms, which can improve the growth condition of tea plants. These findings provide new scientific evidence for the application of ZnO NPs in sustainable agricultural development and contribute to advancing research in nanobiotechnology aimed at enhancing crop yield and quality.
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Claims 6
Claim · model-written summary
ZnO NPs enhanced the photosynthesis of tea plants.
Not reportedComparator
Verbatim
t0“tea plants”
e1“ZnO NPs could enhance the photosynthesis of tea plants”
Claim · model-written summary
ZnO NPs upregulated the expression of some genes related to photosynthesis in tea plants.
- Taxon
- tea plantst0
- Treatment
- ZnO NPse7
- Gene
- genes related to photosynthesise7
- Outcome
- expression of some genes related to photosynthesise7
- Direction
- upregulatee7
Not reportedComparator
Verbatim
t0“tea plants”
e7“ZnO NPs could enhance the photosynthesis of tea plants, upregulate the expression of some genes related to photosynthesis”
Claim · model-written summary
ZnO NPs increased the accumulation of photosynthetic products in tea plants.
- Taxon
- tea plantst0
- Treatment
- ZnO NPse3
- Outcome
- accumulation of photosynthetic productse2
- Direction
- increasee2
Not reportedComparator
Verbatim
t0“tea plants”
e3“The results indicated that ZnO NPs”
e2“increase the accumulation of photosynthetic products”
Claim · model-written summary
ZnO NPs promoted the development of new shoots in tea plants.
- Taxon
- tea plantst0
- Organ / stage
- new shootse4
- Treatment
- ZnO NPse3
- Outcome
- development of new shootse4
- Direction
- promotee4
Not reportedComparator
Verbatim
t0“tea plants”
e3“The results indicated that ZnO NPs”
e4“promote the development of new shoots”
Claim · model-written summary
ZnO NPs altered the content of various mineral elements in the leaves and new shoots of tea plants.
- Taxon
- tea plantst0
- Organ / stage
- leaves and new shootse5
- Treatment
- ZnO NPse3
- Outcome
- content of various mineral elementse5
Not reportedComparatorDirection
Verbatim
t0“tea plants”
e3“The results indicated that ZnO NPs”
e5“alter the content of various mineral elements in the leaves and new shoots of tea plants”
Claim · model-written summary
ZnO NPs favorably influenced the microbial community structure within the tea phyllosphere.
Not reportedComparatorDirection
Verbatim
t0“tea plants”
e6“the application of ZnO NPs was observed to favorably influence the microbial community structure within the phyllosphere”
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