The Effects of Low Concentrations of Silver Nanoparticles on Wheat Growth, Seed Quality, and Soil Microbial Communities

Liu, Guangfu; Zhang, Meng; Jin, Yujian; Fan, Xiaoji; Xu, Jiahui; Zhu, Youchao; Fu, Zhengwei; Pan, Xiangliang; Qian, Haifeng

doi:10.1007/s11270-017-3523-1

Cited by 51 publications

(25 citation statements)

References 60 publications

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“…Perturbations in microbial community structure due to these nanoparticles have also been reported in other soils [86][87][88]. These studies have used a wide range of concentrations of silver nanoparticles from 0.01 µg/g to 1815 µg/g of soil and varying exposure times, of one day to one year [39,72,[82][83][84][85]89]. Two of these studies have also described bacterial communities recovering after 21 to 50 days following an initial shift [35,84].…”

Section: Discussionmentioning

confidence: 86%

“…The preliminary nature of the work does not permit definite conclusions to be drawn with respect to diversity. However, changes in soil bacterial diversity have been described in earlier studies in the presence of silver nanoparticles [38,[82][83][84][85].…”

Section: Discussionmentioning

confidence: 99%

“…These studies have used a wide range of concentrations of silver nanoparticles from 0.01 µg/g to 1815 µg/g of soil and varying exposure times, of one day to one year [39,72,[82][83][84][85]89]. Two of these studies have also described bacterial communities recovering after 21 to 50 days following an initial shift [35,84]. Studies with longer exposure times have seen a definite impact on community compositions [82,89].…”

Section: Discussionmentioning

confidence: 99%

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Effects of Nanoparticles on Plant Growth-Promoting Bacteria in Indian Agricultural Soil

Chavan

Vigneshwaran

2019

Agronomy

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Soil bacteria are some of the key players affecting plant productivity. Soil today is exposed to emerging contaminants like metal engineered nanoparticles. The objective of this study was to evaluate the toxicological effects of silver and zinc oxide nanoparticles on bacteria classified as plant growth-promoting bacteria. Three types of bacteria-nitrogen fixers, phosphate solubilizers, and biofilm formers-were exposed to engineered nanoparticles. Initially, the effect of silver and zinc oxide nanoparticles was determined on pure cultures of the bacteria. These nanoparticles were then applied to soil to assess changes in composition of bacterial communities. Impacts of the nanoparticles were analyzed using Illumina MiSeq sequencing of 16S rRNA genes. In the soil used, relative abundances of the dominant and agriculturally significant phyla, namely, Proteobacteria, Actinobacteria, and Firmicutes, were altered in the presence of silver nanoparticles. Silver nanoparticles changed the abundance of the three phyla by 25 to 45%. Zinc oxide nanoparticles showed negligible effects at the phylum level. Thus, silver nanoparticles may impact bacterial communities in soil, and this in turn may influence processes carried out by soil bacteria.

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Section: Discussionmentioning

confidence: 86%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Effects of Nanoparticles on Plant Growth-Promoting Bacteria in Indian Agricultural Soil

Chavan

Vigneshwaran

2019

Agronomy

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“…Ag NPs with concentration of 1 mg/kg in soil did not affect growth and amino acid contents in wheat [ 27 ], while pea seeds treated with Ag NPs significantly promoted root length [ 28 ]. Coated Ag NPs with CTAB increased uptake of Ag in the roots, while reducing root growth and oxidative damages [ 7 ].…”

Section: Discussionmentioning

confidence: 99%

“…Copper NPs increased number of grains/spike, 100-grains weight, and yield of wheat [ 54 ], while Ag NPs increased yield of cucumber [ 55 ]. Nano iron oxide increased pod dry weight and grain yield of soybean [ 56 ], while low concentration of Ag NPs did not affect growth and ascorbic acid contents of wheat seeds [ 27 ]. Ag NPs with magnetic field increased muskmelon fruit quality, yield, and soluble solid concentration [ 57 ].…”

Section: Discussionmentioning

confidence: 99%

Proteomic Analysis of the Effect of Inorganic and Organic Chemicals on Silver Nanoparticles in Wheat

Jhanzab

Razzaq

Bibi

et al. 2019

IJMS

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Production and utilization of nanoparticles (NPs) are increasing due to their positive and stimulating effects on biological systems. Silver (Ag) NPs improve seed germination, photosynthetic efficiency, plant growth, and antimicrobial activities. In this study, the effects of chemo-blended Ag NPs on wheat were investigated using the gel-free/label-free proteomic technique. Morphological analysis revealed that chemo-blended Ag NPs resulted in the increase of shoot length, shoot fresh weight, root length, and root fresh weight. Proteomic analysis indicated that proteins related to photosynthesis and protein synthesis were increased, while glycolysis, signaling, and cell wall related proteins were decreased. Proteins related to redox and mitochondrial electron transport chain were also decreased. Glycolysis associated proteins such as glyceraldehyde-3-phosphate dehydrogenase increased as well as decreased, while phosphoenol pyruvate carboxylase was decreased. Antioxidant enzyme activities such as superoxide dismutase, catalase, and peroxidase were promoted in response to the chemo-blended Ag NPs. These results suggested that chemo-blended Ag NPs promoted plant growth and development through regulation of energy metabolism by suppression of glycolysis. Number of grains/spike, 100-grains weight, and yield of wheat were stimulated with chemo-blended Ag NPs. Morphological study of next generational wheat plants depicted normal growth, and no toxic effects were observed. Therefore, morphological, proteomic, yield, and next generation results revealed that chemo-blended Ag NPs may promote plant growth and development through alteration in plant metabolism.

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Current Scenario and Future Trends of Plant Nano‐Interaction to Mitigate Abiotic Stresses: A Review

Yasmeen

Mustafa

Jhanzab

et al. 2023

Impact of Engineered Nanomaterials in Genomics and Epigenomics

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The Effects of Low Concentrations of Silver Nanoparticles on Wheat Growth, Seed Quality, and Soil Microbial Communities

Cited by 51 publications

References 60 publications

Effects of Nanoparticles on Plant Growth-Promoting Bacteria in Indian Agricultural Soil

Effects of Nanoparticles on Plant Growth-Promoting Bacteria in Indian Agricultural Soil

Proteomic Analysis of the Effect of Inorganic and Organic Chemicals on Silver Nanoparticles in Wheat

Current Scenario and Future Trends of Plant Nano‐Interaction to Mitigate Abiotic Stresses: A Review

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