Modification of chemical properties of cell walls by silicon and its role in regulation of the cell wall extensibility in oat leaves

Hossain, Mohammad Talim; Soga, Kouichi; Wakabayashi, Kazuyuki; Kamisaka, Seiichiro; Fujii, Shuhei; Yamamoto, Ryōichi; Hoson, Takayuki

doi:10.1016/j.jplph.2006.02.003

Cited by 43 publications

(32 citation statements)

References 40 publications

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“…These results are consistent with other authors who consider PAL to be one of the prime elements of cell acclimation against thermal stress in plants (Levine et al, 1994;Bharti and Khurana, 1997). The results obtained by Hossain et al (2007) with oat leaves have demonstrated that Si reduces the activity of PAL. In the present experiment, leaf phenolic content was not affected by supplementary Si.…”

Section: Resultssupporting

confidence: 92%

Exogenous silicon leads to increased antioxidant capacity in freezing-stressed pistachio leaves

Habibi

2015

AAS

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Freezing stress limits photosynthesis and growth of plants. This may be attributed to the enhancement of freezingassociated oxidative damage. In this study, we followed precisely changes in the extent of lipid peroxidation and oxidative damage in leaves of pistachio (Pistacia vera 'Ahmadaghaii') plants exposed to foliar-applied silicon (Si) under freezing stress. The foliar-applied Si decreased significantly damaging effects of cold on relative water content (RWC), accompanied by an increase in shoot fresh mass (SFM). In addition, pre-Si treatment caused a significant reduction of the leaf area lost by freezing. There was a remarkable increase in phenylalanine ammonia-lyase (PAL) activity during recovery. Since leaf phenolic content was not affected by supplementary Si, the possibility that exogenously applied Si directly influences the activity of PAL seems thin. In the present work, freezing stress caused great membrane damage, as assessed by lipid peroxidation, but Si application significantly reduced the membrane damage because of an efficient scavenging by superoxide dismutase (SOD) and peroxidase (POD). Under freezing, despite the increasing POD activity, Si-supplied plants accumulated the highest levels of hydrogen peroxide (H 2 O 2 ) may act as a signal for recovery ability from freezing injury. A positive correlation was found between the concentration of malondialdehyde (MDA) and the percentage of necrotic leaf area. This study suggests that the possible mechanisms for Si enhanced freezing resistance may be attributed to the higher antioxidant defense activity and lower lipid peroxidation through leaf water retention, in addition to its role as a mere physical barrier.Key words: antioxidant enzymes, cold stress, Evans dye, hydrogen peroxide, phenylalanine ammonialyase, Pistacia vera, malondialdehyde, relative water content IZVLEČEK TRETIRANJE LISTOV PISTACIJE (Pistacia vera 'Ahmadaghaii') S SILICIJEM POVEČA NJIHOVO ANTIOKSIDATIVNO SPOSOBNOST V MRAZNEM STRESUMrazni stres omejuje fotosintezo in rast rastlin, kar lahko pripišemo povečanju oksidativnih poškodb zaradi zmrzovanja. V raziskavi sta bili spremljani peroksidacija lipidov in oksidativne poškodbe listov pistacije (Pistacia vera 'Ahmadaghaii') izpostavljenih mraznem stresu in foliarnem tretmaju s silicijem (Si). Foliarna uporaba silicija je značilno zmanjšala učinke mraza na ravni relativne vsebnosti vode (RWC), kar je povzročilo povečanje sveže mase poganjkov (SFM). Dodatno je predtretiranje s Si povzročilo značilno zmanjšanje izgube listne površine zaradi zmrzovana. Med okrevanjem po mraznem stresu je bila opazno povečana aktivnost fenilalanin amonik-liaze (PAL). Zaradi nespremenjene vsebnosti fenolov v listih po aplikaciji Si je maloverjetno, da bi foliarno dodani Si neposredno vplival na aktivnost PAL. Mrazni stres je povzročil velike poškodbe membran, ki so bile ocenjene s peroksidacijo lipidov, a jih je uporaba Si značilno zmanjšala zaradi učinkovitega antioksidativnega delovanja superoksid dismutaze (SOD) in peroksidaze (POD). Kljub ...

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Section: Resultssupporting

confidence: 92%

Exogenous silicon leads to increased antioxidant capacity in freezing-stressed pistachio leaves

Habibi

2015

AAS

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“…In leaves, Si can increase the contents of hemicellulose and lignin, increasing the stiffness of the cells, as Hossain et al, (2007) have observed in oats. Pozza et al (2004) have reported changes in coffee plant nutrition caused by silicon fertilization, increased enzyme activity, such as peroxidase and polyphenoloxidase and the presence of phytoalexin, which according to the authors, suggest the hypothesis that silicon is associated with plant defense reaction.…”

Section: Introductionsupporting

confidence: 54%

“…It promotes the effective control of plant diseases (Amaral et al, 2008;Guével et al, 2007;Pozza et al, 2009) and has been associated with reduced effects of harmful chemical and physical agents (Zhu et al, 2004, Ma & Yamaji, 2006. The benefits of Si can be observed in the growth and production of many grasses such as rice, oats and maize (Wang et al, 2004, Hossain et al, 2007Zanão Júnior et al, 2009) and in some species that are not grass, such as tomatoes and lettuce (Lana et al 2003;Resende et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

Growth and nutrient uptake of coffee seedlings cultivated in nutrient solution with and without silicon addition

Cunha

Oliveira²,

Caballero

et al. 2012

Rev. Ceres

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RESUMO Crescimento e absorção de nutrientes pelo cafeeiro cultivado em solução nutritiva com e sem adição de silícioA adubação silicatada do cafeeiro promove alteração da nutrição da planta e de seu crescimento. Assim, a determinação da absorção de silício e sua influência na absorção de macro e micronutrientes pelas plantas são essenciais para avaliar as implicações deste elemento na fisiologia vegetal, bem como no manejo adequado da cultura. O objetivo deste trabalho foi avaliar a absorção de silício por plantas de café e seu efeito no crescimento e na absorção de outros nutrientes. A pesquisa foi conduzida em casa de vegetação do Departamento de Fitotecnia da Universidade Federal de Viçosa, em Viçosa, Minas Gerais, Brasil. O delineamento utilizado foi o inteiramente casualizado, com dois tratamentos (com e sem adição de silício) e três repetições, cada uma delas composta por três plantas. Foram retiradas alíquotas, a cada três dias, das soluções nutritivas e avaliadas as quantidades de silício e potássio absorvidas, bem como o consumo de água por plantas de café, além da concentração de OH -na solução nutritiva. Ao final de 33 dias, as plantas foram avaliadas quanto à massa de matéria fresca e seca de folhas, raízes e caule; altura da parte aérea e comprimento Growth and nutrient uptake of coffee seedlings cultivated in nutrient solution with and without silicon additionIn recent years, the application of silicon (Si) in crops, including coffee, has become a common practice. The objective of this study was to assess the silicon uptake by coffee seedlings and its effects on plant growth, water and macro and micronutrient uptake. The research was conducted using nutrient solution in a greenhouse at the Departamento de Fitotecnia da Universidade Federal de Viçosa, in a completely randomized design with two treatments (with and without silicon) and three replications. Each plot consisted of three plants grown in a 800 mL vessel containing the treatment solutions. At every three days, water consumption, the concentration of OH -and the depletion of Si and K were assessed in the nutrient solutions. After 33 days, the plants were assessed with regard to their fresh and dry weight of leaves, roots and stem, shoot height and total length of the plant (shoot and root). Number of leaves and internodes, and the content and accumulation of silicon, macro, and micronutrients were also determined. The consumption of water, the amount of potassium uptake and, biomass accumulation were greater in plants grown in solution without silicon addition. However, the concentration of OH -in the solution and the amount of silicon uptake were greater in plants grown in solution with added silicon. Silicon accumulation was greater in leaves than in stem and roots. Silicon decreased coffee plant accumulation of phosphorus, potassium, calcium, zinc, copper and iron.

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“…Richmond and Sussman (2003) and Ma and Yamaji (2006) have reported that this might be a beneficial result of Si on plant growth during stress conditions, because it is unlikely that Si affects the activity of antioxidant enzymes. Hossain et al (2007) have reported that silicon applied modifies the cell wall architecture, which may be responsible for the increase in the cell wall extensibility. …”

mentioning

confidence: 99%

Effects of silicon on plant resistance to environmental stresses: review

Balakhnina¹,

Borkowska²

2013

International Agrophysics

106

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A b s t r a c t. The role of exogenous silicon in enhancing plant resistance to various abiotic stressors: salinity, drought, metal toxicities and ultraviolet radiation are presented. The data on possible involvement of silicon in reducing the reactive oxygen species generation, intensity of lipid peroxidation, and in some cases, increasing the activity of enzymes of the reactive oxygen species detoxificators: superoxide dismutase, ascorbate peroxidase, glutathione reductase, guaiacol peroxidase and catalase are analyzed.K e y w o r d s: plant resistance, stress conditions, silicon, antioxidant enzymes EFFECT OF SOIL STRESSES ON PLANTSPlant growth and development is closely related to soil physical processes and properties (Gliñski, 2011;Gliñski et al., 2011). These are mass transport (water, vapour, air, and chemical flow, capillary flow, molecular diffusion, osmosis), mass absorption/desorption, energy transport (heat conduction, convection, radiation), energy adsorption/emission, phase transition (evaporation, condensation, crystallization, melting), mechanical processes (impact, compression, crushing, shearing, tension). Soil conditions based on the enumerated physical factors may create stresses for plant growth and development.Suitability of the environment for normal plant development is determined by the pool of oxygen stored in the soil and by the ability of its continuous supply from the atmosphere. After exhausting of the soil oxygen pool, and without further oxygen supply, plants start to suffer from oxygen stress; the root system perishes, and finally, the whole plant dies (Gliñski et al., 2004). Soil oxygen is one of the most important factors, which even during a short period can severely limit plant development and nutrient uptake, thereby resulting in a significant reduction of yields (Gliñski and Stêpniewski, 1985). Soil aeration is closely connected with the relations of air-water conditions in soils. Imbalance in these relations, for example, by flooding the soil, changes the chemical and physical soil properties, affects the biological activity of soil microorganisms and, consequently, leads to oxygen stress (Gliñski and Stêpniewski, 1985). These relations affect the biological activity of soil organisms, mainly microorganisms which are very sensitive to oxidation or reduction processes (Gliñski and Stêpniewski, 1985). It is expected that oxygen stress depends on various abiotic (soil flooding, drought, soil compaction, salinity, high temperature or a combination of these stresses) and biotic factors. Oxygen deficiency affects the intensity and the direction of a number of physiological and biochemical reactions and induces oxidative stress in the plant cells (Balakhnina et al., 2004). Salt stress is one of the major environmental factors that restrict plant growth and productivity worldwide. Salt causes both ionic as well as osmotic stress on plants (Hejazi Mehrizi et al., 2011;Parvaiz and Satyawati, 2008). A high concentration of Na + causes deficiency in other nutrients in the soil and in...

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Modification of chemical properties of cell walls by silicon and its role in regulation of the cell wall extensibility in oat leaves

Cited by 43 publications

References 40 publications

Exogenous silicon leads to increased antioxidant capacity in freezing-stressed pistachio leaves

Exogenous silicon leads to increased antioxidant capacity in freezing-stressed pistachio leaves

Growth and nutrient uptake of coffee seedlings cultivated in nutrient solution with and without silicon addition

Effects of silicon on plant resistance to environmental stresses: review

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