Plant nanobiotechnology: a new strategy to enhance crop photosynthesis

Liu, Jiahao; Zhang, Dan; Bao, Linfeng; Mao, Tingyong; Zhao, Linbo; Liu, Chan; Huang, Guanjun; Zhai, Yunlong

doi:10.1039/d4en00520a

Environ. Sci.: Nano

2024

DOI: 10.1039/d4en00520a

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Plant nanobiotechnology: a new strategy to enhance crop photosynthesis

Jiahao Liu,

Dan Zhang,

Linfeng Bao

et al.

Abstract: Primary mechanism through which nanomaterials enhance plant photosynthesis.

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Screening Surface‐Defective Graphene Quantum Dots: Promoting Plant Growth and Combating Phytovirus

Guo,

Xu,

Wang

et al. 2024

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Reduced graphene quantum dots (r‐GQD), graphene oxide quantum dots (GOQD), and carboxylated graphene quantum dots (C‐GQD) are screened to promote tobacco growth and combat tobacco mosaic virus (TMV). First, a 21‐day foliar exposure is employed to explore GQDs’ impacts on N. benthamiana. Surface‐defective GOQD and C‐GQD are screened out to facilitate N. benthamiana uptake through leaf stomata, and to promote seedlings of differently leaf ages to various degrees at different concentrations after different durations of foliar exposure. Specially, compared to the ddH2O treatment, GOQD/C‐GQD at 400 mg L−1 increase biomass by 44%/68%, increase chlorophyll content by 43%/54% and up‐regulate the expression of growth‐related genes NtLRX1, CycB, and NtPIP1 by more than two‐fold. Second, different from the transient inhibition shown by r‐GQD and the TMV enhancement shown by GOQD, C‐GQD can directly inactivate TMV infection by inducing TMV aggregation and attachment outside TMV, significantly decreasing TMV replication and hindering TMV spread over 21‐day. Specially, C‐GQD decreases the transcript abundance of TMV RdRp and TMV CP to 0.11‐fold and 0.29‐fold, and down‐regulates the host defensive response pathways. This work provides a comparative analysis of GQDs with different surface‐functionalizations, highlighting C‐GQD as a promising nanotechnology tool for promoting plant growth and inactivating phytovirus.

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Screening Surface‐Defective Graphene Quantum Dots: Promoting Plant Growth and Combating Phytovirus

Guo,

Xu,

Wang

et al. 2024

Small

View full text Add to dashboard Cite

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Plant nanobiotechnology: a new strategy to enhance crop photosynthesis

Abstract: Primary mechanism through which nanomaterials enhance plant photosynthesis.

Cited by 1 publication

References 91 publications

Screening Surface‐Defective Graphene Quantum Dots: Promoting Plant Growth and Combating Phytovirus

Screening Surface‐Defective Graphene Quantum Dots: Promoting Plant Growth and Combating Phytovirus

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