Uptake and Transformation of Benzene and Toluene by Plant Leaves

Ugrekhelidze, D.; Körte, F.; Kvesitadze, George

doi:10.1006/eesa.1996.1512

Cited by 115 publications

(61 citation statements)

References 15 publications

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“…Porter (1994) suggested at the lower toluene exposure, a fairly modest amount light change was credited with significant increase or decrease of removal rate and the plant, the only photoresponsive organisms in the system, may be responsible for the phenomenon. Furthurmore, hydroxylation is considered to be the first step of the aromatic ring cleavage of benzene and toluene in higher plants (Ugrekhelidze, 1997). Besides, a substantial role of microorganisms in the growth medium in removing benzene and toluene was also reported by previous researches (Orwell et al, 2004;Orwell et al, 2006;Wood et al, 2002;Wood et al, 2006).…”

Section: Benzene and Toluenementioning

confidence: 86%

“…Fasciata, Codiaeum variegatum, Chrysanthemum morifolium, Hemerocallis fulva, were chosen for the following replication experiment to confirm the removal effects, since they are more easily accessible. On the other hand, fixed time dependence on removal rates was not found for all species in this phase, just as Ugrekhelidze (1997) pointed out the ability of different plants to absorb and utilize exogenous hydrocarbons varied. In the initial screening experiment, Crassula portulacea, Cymbidium Golden Elf.…”

Section: Plants-screening Experimentsmentioning

confidence: 89%

“…Benzene and toluene have been reported to be removed from air and be assimilated by plants (Porter, 1994;Ugrekhelidze, 1997). Porter (1994) suggested at the lower toluene exposure, a fairly modest amount light change was credited with significant increase or decrease of removal rate and the plant, the only photoresponsive organisms in the system, may be responsible for the phenomenon.…”

Section: Benzene and Toluenementioning

confidence: 99%

See 2 more Smart Citations

Phytoremediation on Air Pollution

Yang¹,

Liu²

2011

The Impact of Air Pollution on Health, Economy, Environment and Agricultural Sources

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Section: Benzene and Toluenementioning

confidence: 86%

Section: Plants-screening Experimentsmentioning

confidence: 89%

Section: Benzene and Toluenementioning

confidence: 99%

See 1 more Smart Citation

Phytoremediation on Air Pollution

Yang¹,

Liu²

2011

The Impact of Air Pollution on Health, Economy, Environment and Agricultural Sources

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“…Exotic compounds may penetrate into leaves in two waysthrough the stomata or through the epidermis. For gases and vapors, the primary mode of penetration is through stomata; for example, the experiments with hypostomatous plant leaves revealed that benzene vapor is taken up mainly through stomata (Ugrekhelidze et al, 1997). The natural protective covering of higher plant leaves consists of nonliving cuticle and its waxy coating.…”

Section: Methodsmentioning

confidence: 99%

Tracing the behaviour of hexachlorobenzene in a paddy soil-rice system over a growth season

Yang

Zheng

Zhu

2008

Journal of Environmental Sciences

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Hexachlorobenzene (HCB), a persistent organic pollutant (POP), has been found in paddy soils. To improve the understanding of HCB contamination in paddy soils, a laboratory simulative study was carried out to investigate the behavior of HCB in a paddy soil and rice plants. This study was divided into three experiments. First, an experiment aimed to examine the evaporation of HCB in paddy soil. In the second experiment, rice was planted in 10 mg/kg HCB contaminated soil and after pot culture at 3, 6, 9, and 27 weeks (at maturity), both soil and plant samplings were scheduled to be sampled. The soil samples comprised rhizosphere soil, nonrhizosphere soil, and unplanted contaminated soil, whereas plant samples included shoots, roots, and rice grains (dehusked). Lastly, in this part, HCB in xylem saps was designed to be examined. The results showed that (1) the HCB translocation from paddy soil to rice by vaporization; (2) the HCB concentration in rice grains was surprisingly high; (3) the observed HCB decrease in rice rhizosphere offers a potential means for in situ HCB degradation; (4) HCB might not be transported along transpiration in rice.

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“…It has been observed they can accomplish the reaction via a cooxidation pathway, e.g. phenoloxidase oxidizes the endogenous diphenol and the resultant quinone (or semiquinone) hydroxylates exogenous benzene [2,3].…”

Section: Introductionmentioning

confidence: 99%

Nitrobenzene oxidizing enzymes in plant cells

Varazashvili¹,

Khatisashvili²,

Kurashvili³

et al. 2001

JBPC

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Nitrobenzene NADPH-, H 2 O 2 -and O 2 -dependent oxidation in soybean and maize subcellular fractions has been studied. It is demonstrated that in the presence of nicotinamide coenzyme, transformation via monooxygenase has decisive significance. H 2 O 2 -and O 2 -dependent transformation of nitrobenzene is accomplished via either enzymatic or non-enzymatic (radical) mechanisms which results in formation of m-and p-nitrophenols.

show abstract

Uptake and Transformation of Benzene and Toluene by Plant Leaves

Cited by 115 publications

References 15 publications

Phytoremediation on Air Pollution

Phytoremediation on Air Pollution

Tracing the behaviour of hexachlorobenzene in a paddy soil-rice system over a growth season

Nitrobenzene oxidizing enzymes in plant cells

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