Carbon Nanotubes Decrease the Negative Impact of Alternaria solani in Tomato Crop

González‐García, Yolanda; Cadenas‐Pliego, Gregorio; Alpuche-Solís, Ángel G.; Cabrera, Raúl I.; Juárez-Maldonado, Antonio

doi:10.3390/nano11051080

Cited by 26 publications

(9 citation statements)

References 59 publications

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“…Results revealed that MWCNTs improved the antioxidant defense mechanism as a result of increased in content of ascorbic acid, flavonoids, and the glutathione peroxidase enzyme. The net photosynthetic capacity and water use efficiency also enhanced by the utilization of MWCNTs [ 172 ]. Wang et al [ 173 ] investigated the antimicrobial activity of CBNs [SWCNTs, GO, reduced GO, and fullerene (C 60 )] against a copper-resistant plant pathogenic bacterium ( Ralstonia solanacearum ).…”

Section: Cnts As Antimicrobial Agents Against Pathogensmentioning

confidence: 99%

Engineering plants with carbon nanotubes: a sustainable agriculture approach

et al. 2022

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Sustainable agriculture is an important conception to meet the growing food demand of the global population. The increased need for adequate and safe food, as well as the ongoing ecological destruction associated with conventional agriculture practices are key global challenges. Nanomaterials are being developed in the agriculture sector to improve the growth and protection of crops. Among the various engineered nanomaterials, carbon nanotubes (CNTs) are one of the most promising carbon-based nanomaterials owing to their attractive physiochemical properties such as small size, high surface area, and superior mechanical and thermal strength, offering better opportunities for agriculture sector applications. This review provides basic information about CNTs, including their history; classification; and electrical, thermal, and mechanical properties, with a focus on their applications in the agriculture field. Furthermore, the mechanisms of the uptake and translocation of CNTs in plants and their defense mechanisms against environmental stresses are discussed. Finally, the major shortcomings, threats, and challenges of CNTs are assessed to provide a broad and clear view of the potential and future directions for CNT-based agriculture applications to achieve the goal of sustainability.

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Section: Cnts As Antimicrobial Agents Against Pathogensmentioning

confidence: 99%

Engineering plants with carbon nanotubes: a sustainable agriculture approach

et al. 2022

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“…The use of carbon nanotubes showed various benefits on tomato crops [ 58 ]. Knowledge of nanoparticle root absorption and root-to-shoot transport may contribute to the application of nanotechnology in plant nutrition, Zn uptake, biotransformation, and Phaseolus vulgaris physiological impacts [ 59 ].…”

Section: Resultsmentioning

confidence: 99%

Toxicity Assessment and Control of Early Blight and Stem Rot of Solanum tuberosum L. by Mancozeb-Loaded Chitosan–Gum Acacia Nanocomposites

Kumar

Duhan

Manuja

et al. 2022

JoX

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Biopolymers such as chitosan and gum acacia are used for nanotechnological applications due to their biosafety and ecofriendly nature. The commercial fungicide mancozeb (M) was loaded into chitosan–gum acacia (CSGA) polymers to form nanocomposite (NC) CSGA-M (mancozeb-loaded) measuring 363.6 nm via the ionic gelation and polyelectrolyte complexation method. The physico-chemical study of nano CSGA-M was accomplished using dynamic light scattering (DLS), scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray diffraction (XRD), and thermogravimetric analysis (TGA). Nano CSGA-M-1.0 (containing 1.0 mg/mL mancozeb) at 1.5 ppm demonstrated a maximum inhibition (83.8 ± 0.7%) against Alternaria solani, while Sclerotinia sclerotiorum exhibited a 100% inhibition at 1.0 and 1.5 ppm through the mycelium inhibition method. Commercial mancozeb showed an inhibition of 84.6 ± 0% and 100%, respectively, for both fungi. In pot house conditions, NCs were found to exhibit good antimicrobial activity. Disease control efficiency (DCE, in %) in pathogen-treated plants for CSGA-M-1.0 was 64.6 ± 5.0 and 60.2 ± 1.4% against early blight and stem rot diseases, respectively. NCs showed lower cytotoxicity than commercial mancozeb at the given concentration. In conclusion, both in vitro and in vivo antifungal efficacy for nano CSGA-M was found to be quite comparable but less toxic than mancozeb to Vero cell lines; thus, in the future, this formulation may be used for sustainable agriculture.

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“…In the host cell, the metabolites of A . solani also reduces the photosynthetic rate in infected leaves by inhibiting the photosystem II activity and reducing the chlorophyll and other photosynthetic pigment contents, resulting in a general reduction in plant growth and a decline in yield [ 6 , 7 ].…”

Section: Introductionmentioning

confidence: 99%

Identification and functional analysis of protein secreted by Alternaria solani

Wang

Zhang

et al. 2023

PLoS ONE

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Early blight, caused by the necrotrophic fungus Alternaria solani, is an important foliar disease that causes major yield losses of potato. Effector proteins secreted by pathogens to host cells can inhibit host immune response to pathogens. Currently, the function of effector proteins secreted by A. solani during infection is poorly understood. In this study, we identified and characterized a novel candidate effector protein, AsCEP50. AsCEP50 is a secreted protein that is highly expressed throughout the infection stages of A. solani. Agrobacterium tumefaciens-mediated transient expression in Nicotiana benthamiana and tomato demonstrated that AsCEP50 is located on the plasma membrane of N. benthamiana and regulates senescence-related genes, resulting in the chlorosis of N. benthamiana and tomato leaves. Δ50 mutants were unaffected in vegetative growth, spore formation and mycelium morphology. However, the deletion of AsCEP50 significantly reduced virulence, melanin production and penetration of A. solani. These results strongly supported that AsCEP50 is an important pathogenic factor at the infection stage and contributes to the virulence of Alternaria solani.

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Carbon Nanotubes Decrease the Negative Impact of Alternaria solani in Tomato Crop

Cited by 26 publications

References 59 publications

Engineering plants with carbon nanotubes: a sustainable agriculture approach

Engineering plants with carbon nanotubes: a sustainable agriculture approach

Toxicity Assessment and Control of Early Blight and Stem Rot of Solanum tuberosum L. by Mancozeb-Loaded Chitosan–Gum Acacia Nanocomposites

Identification and functional analysis of protein secreted by Alternaria solani

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