Influence of silicon on maize roots exposed to antimony – Growth and antioxidative response

Vaculíková, Miroslava; Vaculík, Marek; Šimková, Lenka; Fialová, Ivana; Kochanová, Zuzana; Sedláková, Barbora; Luxová, Miroslava

doi:10.1016/j.plaphy.2014.08.014

Cited by 67 publications

(36 citation statements)

References 44 publications

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“…Abbreviations: C-control; Sb 2.5-2.5 mg kg −1 Sb; Sb 5-5 mg kg −1 Sb. Data are shown as means±SD (n=6) other important agricultural plants, like rice, wheat, or maize (He and Yang 1999;Pan et al 2011;Shtangeeva et al 2014;Vaculíková et al 2014). The present study showed that relatively low Sb concentration in the medium (5 mg kg −1 Sb) greatly influenced root and shoot biomass.…”

Section: Discussionmentioning

confidence: 62%

“…It was found that Sb can increase the peroxidation of membrane lipids and stimulate defense antioxidant system in plants (Feng et al 2009;Corrales et al 2014;Vaculíková et al 2014). However, there is still lack of knowledge about the uptake of Sb in agricultural important plants, and the role of Sb in physiological processes running in crops, especially photosynthesis, is still poorly understood.…”

Section: Introductionmentioning

confidence: 99%

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Antimony (SbIII) reduces growth, declines photosynthesis, and modifies leaf tissue anatomy in sunflower (Helianthus annuus L.)

Vaculík

Mrázová

Lee

2015

Environ Sci Pollut Res

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The role of antimony (Sb)--a non-essential trace metalloid--in physiological processes running in crops is still poorly understood. Present paper describes the effect of Sb tartrate (SbIII) on growth, Sb uptake, photosynthesis, photosynthetic pigments, and leaf tissue organization in young sunflower plants grown in hydroponics. We found that growth of below- and aboveground part was reduced with increasing concentration of Sb in the medium. Although Sb was mostly taken up by sunflower roots and only small part (1-2%) was translocated to the shoots, decline in photosynthesis, transpiration, and decreased content of photosynthetic pigments were observed. This indicates that despite relatively low mobility of Sb in root-shoot system, Sb in shoot noticeably modifies physiological status and reduced plant growth. Additionally, leaf anatomical changes indicated that Sb reduced the size of intercellular spaces and made leaf tissue more compact.

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Section: Discussionmentioning

confidence: 62%

Section: Introductionmentioning

confidence: 99%

Antimony (SbIII) reduces growth, declines photosynthesis, and modifies leaf tissue anatomy in sunflower (Helianthus annuus L.)

Vaculík

Mrázová

Lee

2015

Environ Sci Pollut Res

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“…Pragabar et al, 2011). Similarly, the mitigation role of Si has been recently described for several other metals or dangerous toxic elements, including chromium , lead (Li et al, 2012), antimony (Huang et al, 2012;Vaculíková et al, 2014) or arsenic (Fleck et al, 2013;Tripathi et al, 2013).…”

Section: Introductionmentioning

confidence: 79%

Silicon alleviates cadmium toxicity by enhanced photosynthetic rate and modified bundle sheath's cell chloroplasts ultrastructure in maize

Vaculík

Pavlovič

Lee

2015

Ecotoxicology and Environmental Safety

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131

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“…This decrease in ROS production might be due to enhance in activities of antioxidant enzymes (Table 1) In present study, Ni concentration significantly increased in roots, leaves and stem of cotton with increasing Ni levels in the growth medium while Si application along with Ni significantly decreased Ni concentrations in these parts ( Figure 5). It has been reported that Si application decreased metal concentration in tissues of various plants (Masarovic et al 2012;Bharwana et al 2013;Vaculikova et al 2014). However, studies also showed Si-mediated increase in metal concentration in plants (Vaculík et al 2009;.…”

Section: Downloaded By [University Of Otago] At 22:57 24 July 2015mentioning

confidence: 97%

“…In literature conflicting results have been reported related to Si effect on antioxidants under metal stress. Silicon application increased the activities of antioxidant enzymes in sorghum (Sorghum bicolor L.) under Zn stress(Masarovic et al 2012), in cotton under Pb and Cd stressFarooq et al 2013) while Si decreased activity of these enzymes in maize under Zn(Bokor et al 2014) and antimony (Sb) stress(Vaculikova et al 2014). This decrease and/or increase in antioxidant enzymes activities might be due to variation in oxidative stress in different plant species.…”

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confidence: 99%

Silicon alleviates nickel toxicity in cotton seedlings through enhancing growth, photosynthesis, and suppressing Ni uptake and oxidative stress

Khaliq

Ali

Hameed

et al. 2015

Archives of Agronomy and Soil Science

109

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2015): Silicon alleviates nickel toxicity in cotton seedlings through enhancing growth, photosynthesis and suppressing Ni uptake and oxidative stress Silicon alleviates nickel toxicity in cotton, Archives of Agronomy and Soil Science To link to this article: http://dx. AbstractCotton (Gossypium hirsutum L.) is a well-known and economically most beneficial crop worldwide while nickel (Ni) toxicity is widespread problem in crops grown on Nicontaminated soils. We investigated the response of silicon (Si) in cotton under Ni stress with respect to growth, biomass, gas exchange attributes, enzymatic activities and Ni uptake and accumulation. For this, plants were grown in hydroponics for 12 weeks with three levels of Ni (0, 50 and 100 µM) in the presence or absence of 1 mM Si. Results showed that Ni Downloaded by [University of Otago] at 22:57 24 July 2015 A c c e p t e d M a n u s c r i p t significantly reduced the plant growth, biomass, gas exchange attributes and pigment contents while Si application mitigated these adverse effects under Ni stress. Nickel stress significantly decreased antioxidant enzymes activities while increased malondialdehyde (MDA), hydrogen peroxide (H 2 O 2 ) and electrolyte leakage (EC) in leaves and roots. The application of Si enhanced the activities of antioxidant enzymes and reduced MDA, H 2 O 2 and EC in plants.Nickel application significantly increased Ni concentration and accumulation in leaf, stem and roots while Si application significantly decreased Ni in these plant parts. The present study indicates that Si could improve cotton growth under Ni stress by lowering Ni uptake and reactive oxygen species (ROS) and by increasing antioxidant enzymes activities.

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Influence of silicon on maize roots exposed to antimony – Growth and antioxidative response

Cited by 67 publications

References 44 publications

Antimony (SbIII) reduces growth, declines photosynthesis, and modifies leaf tissue anatomy in sunflower (Helianthus annuus L.)

Antimony (SbIII) reduces growth, declines photosynthesis, and modifies leaf tissue anatomy in sunflower (Helianthus annuus L.)

Silicon alleviates cadmium toxicity by enhanced photosynthetic rate and modified bundle sheath's cell chloroplasts ultrastructure in maize

Silicon alleviates nickel toxicity in cotton seedlings through enhancing growth, photosynthesis, and suppressing Ni uptake and oxidative stress

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