A 37-kDa peroxidase secreted from liverworts in response to chemical stress

Hirata, Toshifumi; Ashida, Yuki; Mori, Hideyuki; Yoshinaga, Daisuke; Goad, L. John

doi:10.1016/s0031-9422(00)00262-4

Cited by 25 publications

(19 citation statements)

References 24 publications

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“…This agrees with the assertion put up by Klumpp et al (2000). However, similar study has shown that plant roots exude high concentrations of peroxidases into soil, particularly in response to chemical stress (Hirata, et al, 2000;Fediuc and Erdei, 2010;Angelica and Leonor, 2012).…”

Section: Edwin-wosu Nl; Nkang Asupporting

confidence: 88%

“…The detoxifying effect is due to the presence of oxidoreductive enzymes in plants and particularly in roots, with a high production of them in response to chemical stress (Hirata et al, 2000). Enzymes are biological catalysts that increase the rate of chemical reactions taking place within living cells.…”

Section: Edwin-wosu Nl; Nkang Amentioning

confidence: 99%

“…This may represent their utilization by enhanced phytomicrobial association in the rhizosphere. The detoxifying effect is due to the presence of oxidoreductive enzymes in plants and particularly in roots, with a high production of the enzyme in response to chemical stress (Hirata et al, 2000), localized mainly in cell walls and vacuoles (Coniglio et al, 2008). This enhanced hydrocarbon degradation, producing carbon, water and carbondioxide in presence of phosphorus, nitrogen nutrient and other environmental variables.…”

Section: Edwin-wosu Nl; Nkang Amentioning

confidence: 99%

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Evaluation of phytoremediation potential of Peltophorum pterocarpum (DC.) Heyne Leucaena leucocephala (Lam.) De Wit. and Crotolaria retusa Linn for waste oil contaminated soils

Edwin-Wosu¹,

Nkang²

2016

Journal of Applied Sciences and Environmental Management

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Evaluation of phytoremediation potential ofABSTRACT: An ecological study was carried out to evaluate remediation potential of three hydrocarbon tolerant species (Peltophorum pterocarpum (DC.) Heyne, Leucaena leucocephala (Lam.) De Wit., and Crotolaria retusa Linn) of Fabaceae plant family in relation to enzyme activity for cleaning up soils contaminated with waste oil hydrocarbon. Biochemical analyses were carried out using classical standard procedures to assess the level of enzyme expression in relation to hydrocarbon index assessment in remediation performance through a holistic test of significance using the PROC ANOVA and Duncan's New Multiple Range Test (DNMRT) procedures. Enzyme expression, oil removal and organic carbon sequestration of the species and the species treated soils showed that in pre-polluted soil foliar enzyme expression in the order Cr>Ll>Pp was high but reduction in post-polluted and post-phytoremediation soils in the order Cr>Ll>Pp. Generally, among species Peroxidase (POD) was higher in activity and expression than Polyphenoloxidase (PPO). The oil and grease recorded a lower content in the pre-pollution soil which increased in content in post-pollution with increase in pollution. However, the impact of phytoapplication has shown some significant (p<0.05) reduction in L. leucocephala soil in the order LlPp>Cr at low enzyme expression in which P. pterocarpum had higher carbon content in the order Pp>Cr> Ll. The pre-pollution soil had a significantly lower carbon than post-polluted soils. The impact of phytoremediation has shown reduction in carbon content with P. pterocarpum treated soil significantly lower in content in the order PpCr> Ll. Thus by the forgoing trajectories and trend of indigenous enzymes, P. pterocarpum and L. leucocephala can thus be recommended as an integral component in any bioremediation technology package for waste oil polluted terrestrial environment.© JASEM http://dx.doi.org/10.4314/jasem.v20i3.22

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Section: Edwin-wosu Nl; Nkang Asupporting

confidence: 88%

Section: Edwin-wosu Nl; Nkang Amentioning

confidence: 99%

Section: Edwin-wosu Nl; Nkang Amentioning

confidence: 99%

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Evaluation of phytoremediation potential of Peltophorum pterocarpum (DC.) Heyne Leucaena leucocephala (Lam.) De Wit. and Crotolaria retusa Linn for waste oil contaminated soils

Edwin-Wosu¹,

Nkang²

2016

Journal of Applied Sciences and Environmental Management

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“…Acyclic bis[bibenzyls] can be biosynthesized through free radical-mediated dimerization of phenolic bibenzyls [19]. The liverwort peroxidase may even participate in the biogenesis of naturally occurring acyclic bis [bibenzyls] in plants [20].Dihydroresveratrol (DR) is a major metabolite of resveratrol in humans, and preliminary experiments showed antiproliferative effects of DR on the human oral epithelial SCC-9 cells [21]. Here, we report an easy method to prepare new acyclic bis[bibenzyl] derivatives utilizing DR as starting material and crude MCP as a catalyst.…”

mentioning

confidence: 99%

Biocatalytic Production of Acyclic Bis[bibenzyls] from Dihydroresveratrol by Crude Momordica charantia Peroxidase

Xie¹,

Yuan²,

Qu³

et al. 2009

Chemistry & Biodiversity

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Biotransformation of dihydroresveratrol by crude Momordica charantia peroxidase provided six new acyclic bis[bibenzyls] 1-6. Their structures were established on the basis of NMR and MS analyses as C-C, C-O-C, and C-CH(2)-C dimers of dihydroresveratrol. Compounds 1-6 were tested for antiproliferative activity against human prostate cancer PC3 cell line in vitro, and 2 and 6 were found to be more potent than the parent compound.

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“…The POD enzyme system is important in plant defense. Its general function is to fortify the cell wall, thus resisting disease progression (Hirata et al, 2000). SOD occurs in various cell compartments and catalyzes the disproportionation of superoxide anion (O 2 · − ) to H 2 O 2 and O 2 (Salin, 1988), while CAT and POD are important H 2 O 2 scavengers, catalyzing the transformation of H 2 O 2 to water.…”

Section: Dynamic Changes Of Mda Concentrations and Antioxidative Enzymentioning

confidence: 99%

Toxic effects of chlortetracycline on maize growth, reactive oxygen species generation and the antioxidant response

Wen

Liu

Wang

et al. 2012

Journal of Environmental Sciences

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The toxicity of chlortetracycline (CTC) on maize (Zea mays L.) growth and reactive oxygen species (ROS) generation was studied. The root and shoot lengths and fresh weights of maize seedlings were inhibited by CTC treatment (p < 0.05). Root length was more sensitive than other parameters with the EC 10 value of 0.064 mg/L. The spin trapping technique followed by electron paramagnetic resonance (EPR) analysis was used to quantify the ROS production. The ROS generated in maize roots after exposure to CTC was identified as hydroxyl radical (·OH). The EPR signal intensity correlated positively with the logarithm of CTC concentrations exposed (p < 0.05). The dynamic changes of malondialdehyde (MDA) contents and the antioxidative enzyme activities in maize roots were also determined. As compared to the control group, CTC was found to significantly increase MDA content. Treatment of maize roots with the ·OH scavenger sodium benzoate (SB) reduced the MDA content and enhanced the antioxidative enzyme activities. The results demonstrated the harmfulness of CTC at high dose to maize in the early developmental stage, and clarified that the inducement of ·OH is one of the mechanisms of CTC toxicity.

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A 37-kDa peroxidase secreted from liverworts in response to chemical stress

Cited by 25 publications

References 24 publications

Evaluation of phytoremediation potential of <i>Peltophorum pterocarpum</i> (DC.) Heyne <i>Leucaena leucocephala</i> (Lam.) De Wit. and <i>Crotolaria retusa</i> Linn for waste oil contaminated soils

Evaluation of phytoremediation potential of <i>Peltophorum pterocarpum</i> (DC.) Heyne <i>Leucaena leucocephala</i> (Lam.) De Wit. and <i>Crotolaria retusa</i> Linn for waste oil contaminated soils

Biocatalytic Production of Acyclic Bis[bibenzyls] from Dihydroresveratrol by Crude Momordica charantia Peroxidase

Toxic effects of chlortetracycline on maize growth, reactive oxygen species generation and the antioxidant response

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