Limiting silicon supply alters lignin content and structures of sorghum seedling cell walls

Rivai, Reza Ramdan; Miyamoto, Takuji; Awano, Tatsuya; Yoshinaga, Arata; Chen, Shuoye; Sugiyama, Junji; Tobimatsu, Yuki; Umezawa, Toshiaki; Kobayashi, Masaru

doi:10.1016/j.plantsci.2022.111325

Cited by 16 publications

(16 citation statements)

References 99 publications

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“…The 3-week-old seedlings were transferred to the Yoshida B culture solution, containing 0 or 50 mg SiO 2 L -1 as -Si or +Si treatment, respectively. Silicon was added to the medium as a silicatesolution prepared as described previously [39]. The aerial parts of the 6-week-old (3 weeks after Si treatments) seedlings were used for the analyses.…”

Section: Plant Materials and Growth Conditionsmentioning

confidence: 99%

“…The ash was melted by heating with 200 mg Na 2 CO 3 and diluted with distilled water to 20 ml. The Si concentration in the solution was measured by the colorimetric molybdenum blue method as previously described [39].…”

Section: Silicon Contentmentioning

confidence: 99%

“…Data (accession numbers DRR324378-DRR324383) obtained in our previous study [39] were used for the analysis. The reads were trimmed and quality-ltered using fastp version 0.20.0 [40], mapped to the S. bicolor genome assembly Sbicolor_454_v3.0.1 [41] using HISAT2 version 2.1.0 [42], and the transcript abundance was estimated using the featureCounts function from the RSubread package version 2.8.2 in R version 4.1.3, against Sbicolor_454_v3.1.1 annotation.…”

Section: Rna Sequencing Data Analysismentioning

confidence: 99%

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The beneficial effect of silicon to reduce the nitrate content of sorghum

Rivai,

Kobayashi

2023

Preprint

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Purpose: Sorghum [Sorghum bicolor (L.) Moench] is one of the major fodder crops. Supplying sorghum with a sufficient amount of nitrogen (N) is essential to achieve a good yield and quality of forage. However, N excess may cause an accumulation of nitrate in the plant, which can be toxic to ruminant livestock animals. Silicon (Si) application reportedly enhances the utilization of N and reduces the nitrate content in several plant species. However, our knowledge is still limited regarding the interaction between Si and N in sorghum. Hence, this study investigated the possibility of nitrate content reduction by Si application in sorghum. Methods: We analyzed the nitrate content in the shoot of hydroponically grown seedlings, with or without Si application. It was then further evaluated in mature plants under high N supply with 0, 25, 50, 75, or 100 mg SiO2 L–1. We also considered possible mechanisms of the Si-N interaction. Results: The application of Si reduced nitrate content without significantly affecting the growth and dry matter production. The effect of Si application on the N metabolism of sorghum plants was confirmed by a modulated expression of the genes for N transport and assimilation, in which an upregulation of the cytokinin signal transduction pathway might be involved. In addition, the in vitro digestibility was not significantly affected by Si application. Conclusion: Silicon application has a beneficial effect on fodder sorghum production in reducing nitrate content without compromising the biomass yield and quality.

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Section: Plant Materials and Growth Conditionsmentioning

confidence: 99%

Section: Silicon Contentmentioning

confidence: 99%

Section: Rna Sequencing Data Analysismentioning

confidence: 99%

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The beneficial effect of silicon to reduce the nitrate content of sorghum

Rivai,

Kobayashi

2023

Preprint

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“…As one of the most abundant biopolymers in nature, lignin has the advantages of wide source, nontoxicity, low cost, environmental friendliness, and renewability. − It contains a large number of hydrophobic benzene rings and various active groups, showing great potentials in the application of oil/water separation . Also, lignin has many conjugated chemical structures and is a good polymeric photothermal conversion material .…”

Section: Introductionmentioning

confidence: 99%

Photothermal, Magnetic, and Superhydrophobic PU Sponge Decorated with a Fe₃O₄/MXene/Lignin Composite for Efficient Oil/Water Separation

Guo,

Wang,

Qiao

et al. 2023

Langmuir

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Frequent oil spills and the discharge of industrial oily wastewaters have become a serious threat to the environment, ecosystem, and human beings. Herein, a photothermal, magnetic, and superhydrophobic PU sponge decorated with a Fe 3 O 4 /MXene/lignin composite (labeled as S−Fe 3 O 4 /MXene/lignin@ PU sponge) has been designed and prepared. The obtained superhydrophobic/ superoleophilic PU sponge possesses excellent chemical stability, thermal stability, and mechanical durability in terms of being immersed in corrosive solutions and organic solvents and boiling water and being abrased by sandpapers, respectively. The oil adsorption capacities of the S−Fe 3 O 4 / MXene/lignin@PU sponge for various organic liquids range from 29.1 to 70.3 g/g, and the oil adsorption capacity for CCl 4 can remain 69.6 g/g even after 15 cyclic adsorption tests. The separation efficiencies of the S−Fe 3 O 4 /MXene/ lignin@PU sponge for n-hexane and CCl 4 are higher than 98% in different environments (i.e., water, hot water, 1 mol/L NaOH, 1 mol/L NaCl, and 1 mol/L HCl). More importantly, the introduction of three light absorbers (i.e., Fe 3 O 4 , MXene, and lignin) into the S−Fe 3 O 4 /MXene/lignin@PU sponge shows a synergistic effect in the photothermal heat conversion performance, and the maximum surface temperature reaches 64.4 °C under sunlight irradiation (1.0 kW/m 2 ). The separation flux of the S−Fe 3 O 4 /MXene/lignin@PU sponge for viscous LT147 vacuum pump oil reaches 35,469 L m −2 h −1 under sunlight irradiation, showing an increase of 27.3% compared to that of oil adsorption processes without the photothermal effect. Thus, the rational design of superhydrophobic sponges by introducing proper photothermal heat absorbers provides new insights into facile and cost-effective preparation of sponges for efficient oil/water separation.

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“…Some studies have shown that silica deposited in specialized cells or on cell walls. [20,21] In Si-cell wall complexes, possible Si ligands include those from hemicellulose, pectin, and lignin, besides, Si may bond with hemicellulose in the state of SiÀ OÀ C. [22][23][24][25] Because of the difference in the interactions between Si and the three main organic components of biomass, each component may have a different effect on the production of TEOS in biomass. However, the formation of TEOS from Si in different components and different states of Si is unclear.…”

Section: Introductionmentioning

confidence: 99%

Influence of Different Treatments on the Structure and Conversion of Silicon Species in Rice Straw to Tetraethyl Orthosilicate (TEOS)

Sun

Feng

et al. 2023

ChemistryOpen

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The production of tetraethyl orthosilicate (TEOS) from biomass provides a new way for TEOS production and biomass valorization. In this study, rice straw was treated using different fractionation methods, and the content, state, and reactivity of Si in the treated samples were investigated. It was found that acid treatment and ethanol extraction kept most Si in the biomass, while alkali treatment caused significant Si loss. Si was mainly present in the SiOx, Si−O−C, and Si−O−Si states in the surface of raw rice straw, cellulose and Klason lignin. The results showed that the Si−O−Si state in rice straw was beneficial for the formation of TEOS. The removal of lipids from rice straw facilitated the production of TEOS, giving the highest TEOS yield of 76.2 %. In contrast, the production of TEOS from other samples became difficult; the simultaneous conversion of the three organic components of rice straw also facilitated the production of TEOS.

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Limiting silicon supply alters lignin content and structures of sorghum seedling cell walls

Cited by 16 publications

References 99 publications

The beneficial effect of silicon to reduce the nitrate content of sorghum

The beneficial effect of silicon to reduce the nitrate content of sorghum

Photothermal, Magnetic, and Superhydrophobic PU Sponge Decorated with a Fe₃O₄/MXene/Lignin Composite for Efficient Oil/Water Separation

Influence of Different Treatments on the Structure and Conversion of Silicon Species in Rice Straw to Tetraethyl Orthosilicate (TEOS)

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Limiting silicon supply alters lignin content and structures of sorghum seedling cell walls

Cited by 16 publications

References 99 publications

The beneficial effect of silicon to reduce the nitrate content of sorghum

The beneficial effect of silicon to reduce the nitrate content of sorghum

Photothermal, Magnetic, and Superhydrophobic PU Sponge Decorated with a Fe3O4/MXene/Lignin Composite for Efficient Oil/Water Separation

Influence of Different Treatments on the Structure and Conversion of Silicon Species in Rice Straw to Tetraethyl Orthosilicate (TEOS)

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Product

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Photothermal, Magnetic, and Superhydrophobic PU Sponge Decorated with a Fe₃O₄/MXene/Lignin Composite for Efficient Oil/Water Separation