Antimony Accumulation in Wheat Seedlings Grown in Soil and Water

Shtangeeva, Irina; Singh, Balwant; Bali, Roza; Ayrault, Sophie; Timofeev, S.A.

doi:10.1080/00103624.2013.867055

Cited by 11 publications

(6 citation statements)

References 40 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: 95%

“…It was shown that plants are more efficient in taking up SbIII than SbV, although SbV was the predominant form of Sb in various plants, probably due to relative instability of trivalent Sb forms (Ren et al 2014;Tisarum et al 2014). Within the plants, Sb is mostly accumulated in roots (Feng et al 2009;Shtangeeva et al 2014;Tisarum et al 2014); however, opposite was also observed (Pan et al 2011). The sites of Sb accumulation within plant tissues are still not clear or may vary between the species; Feng et al (2011) found most of Sb accumulated in cytosol, while Ren et al (2014) found that in rice plants, most of Sb was accumulated in cell walls and less in organelles and cytosol.…”

Section: Introductionmentioning

confidence: 98%

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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: 95%

Section: Introductionmentioning

confidence: 98%

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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“…If Sb absorption is high, toxicity problems result in reduced growth, impaired absorption of other mineral elements, slowed photosynthesis, development of oxidative stress, etc. [ 15 , 16 , 17 , 18 , 19 ].…”

Section: Introductionmentioning

confidence: 99%

Response to Antimony Toxicity in Dittrichia viscosa Plants: ROS, NO, H2S, and the Antioxidant System

et al. 2021

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Dittrichia viscosa plants were grown hydroponically with different concentrations of Sb. There was preferential accumulation of Sb in roots. Fe and Cu decreased, while Mn decreased in roots but not in leaves. Chlorophyll content declined, but the carotenoid content increased, and photosynthetic efficiency was unaltered. O2●− generation increased slightly, while lipid peroxidation increased only in roots. H2O2, NO, ONOO−, S-nitrosothiols, and H2S showed significant increases, and the enzymatic antioxidant system was altered. In roots, superoxide dismutase (SOD) and monodehydroascorbate reductase (MDAR) activities declined, dehydroscorbate reductase (DHAR) rose, and ascorbate peroxidase (APX), peroxidase (POX), and glutathione reductase (GR) were unaffected. In leaves, SOD and POX increased, MDAR decreased, and APX was unaltered, while GR increased. S-nitrosoglutathione reductase (GSNOR) and l-cysteine desulfhydrilase (l-DES) increased in activity, while glutathione S-transferase (GST) decreased in leaves but was enhanced in roots. Components of the AsA/GSH cycle decreased. The great capacity of Dittrichia roots to accumulate Sb is the reason for the differing behaviour observed in the enzymatic antioxidant systems of the two organs. Sb appears to act by binding to thiol groups, which can alter free GSH content and SOD and GST activities. The coniferyl alcohol peroxidase activity increased, possibly to lignify the roots’ cell walls. Sb altered the ROS balance, especially with respect to H2O2. This led to an increase in NO and H2S acting on the antioxidant system to limit that Sb-induced redox imbalance. The interaction NO, H2S and H2O2 appears key to the response to stress induced by Sb. The interaction between ROS, NO, and H2S appears to be involved in the response to Sb.

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“…Therefore, excess Sb in soil may also be a risk to the environment and human health (Filella et al 2007, Shotyk et al 2005, Xiao et al 2015. A series of studies on the uptake of Sb by wheat, oat, and rye was reported by Shtangeeva et al (Shtangeeva et al 2014a, Shtangeeva et al 2014b, Shtangeeva et al 2012a, Shtangeeva et al 2012b), thereby providing a foundation for understanding the plant uptake of Sb.…”

Section: Introductionmentioning

confidence: 99%

Interaction of As and Sb in the hyperaccumulator Pteris vittata L.: changes in As and Sb speciation by XANES

Wan

Lei

Chen

2016

Environ Sci Pollut Res

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Arsenic (As) and antimony (Sb) are chemical analogs that display similar characteristics in the environment. The As hyperaccumulator Pteris vittata L. is a potential AsSb co-accumulating species. However, when this plant is exposed to different As and Sb speciation, the associated accumulating mechanisms and subsequent assimilation processes of As and Sb remain unclear. A 2-week hydroponic experiment was conducted by exposing P. vittata to single AsIII, AsV, SbIII, and SbV or the co-existence of AsIII and SbIII and AsV and SbV. P. vittata could co-accumulate As and Sb in the pinna (>1000 mg kg −1 ) with high translocation (>1) of As and Sb from the root to the pinna. P. vittata displayed apparent preference to the trivalent speciation of As and Sb than to the pentavalent speciation. Under the single exposure of AsIII or SbIII, the pinna concentration of As and Sb was 84 and 765 % higher than that under the single exposure of AsV or SbV, respectively. Despite the provided As speciation, the main speciation of As in the root was AsV, whereas the main speciation of As in the pinna was AsIII. The Sb in the roots comprised SbV and SbIII when exposed to SbV but was exclusively SbIII when exposed to SbIII. The Sb in the pinna was a mixture of SbV and SbIII regardless of the provided Sb speciation. Compared with the single exposure of As, the coexistence of As and Sb increased the As concentration in the pinna of P. vittata by 50-66 %, accompanied by a significant increase in the AsIII percentage in the root. Compared with the single exposure of Sb, the co-existence of Sb and As also increased the Sb concentration in the pinna by 51-100 %, but no significant change in Sb speciation was found in P. vittata.

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Antimony Accumulation in Wheat Seedlings Grown in Soil and Water

Cited by 11 publications

References 40 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.)

Response to Antimony Toxicity in Dittrichia viscosa Plants: ROS, NO, H2S, and the Antioxidant System

Interaction of As and Sb in the hyperaccumulator Pteris vittata L.: changes in As and Sb speciation by XANES

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