Adaptive biochemical and physiological responses of Eriobotrya japonica to fluoride air pollution

Elloumi Nada, Mohamed Zouari, Imed Mezghani, Ferjani Ben Abdallah, Steve Woodward, Monem Kallel

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The biochemical and physiological effects of fluoride were investigated in loquat trees (Eriobotrya japonica) grown in the vicinity of a phosphate fertilizer plant in Tunisia. Photosynthetic rate (Pn), stomatal conductance (Gs), transpiration rate (E), superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) activities were assessed; along with photosynthetic pigments, lipid peroxidation, electrolytic leakage (EL) and total phenolic contents in foliage and roots of trees at different distances from the phosphate fertilizer plant. All assessed parameters showed significant discrepancies in comparison with unpolluted sites. Obtained results showed high oxidative stress indices including H2O2, lipid peroxidation, and EL, SOD, CAT and GPx activities and proline contents in leaves and roots at the polluted sites as compared to control. In contrast, leaf Pn, Gs, E and photosynthetic pigment contents were low as compared to the control. These results indicate that even though antioxidant responses increased near the factory, adverse effects on physiology were pronounced.
Original languageEnglish
Pages (from-to)991-1001
Number of pages11
JournalEcotoxicology
Volume26
Issue number7
Early online date19 Jun 2017
DOIs
Publication statusPublished - Sep 2017

Fingerprint

Eriobotrya
Phosphate fertilizers
Air Pollution
Fertilizers
physiological response
Glutathione Peroxidase
Air pollution
Fluorides
Pigments
fluoride
Catalase
Lipid Peroxidation
Superoxide Dismutase
leakage
pigment
atmospheric pollution
lipid
Phosphates
phosphate
fertilizer

Keywords

  • Fluoride
  • Eriobotrya japonica L.
  • Biochemical responses
  • Physiological responses
  • Antioxidant activities

Cite this

Adaptive biochemical and physiological responses of Eriobotrya japonica to fluoride air pollution. / Nada, Elloumi; Zouari, Mohamed; Mezghani, Imed; Ben Abdallah, Ferjani; Woodward, Steve; Kallel, Monem.

In: Ecotoxicology, Vol. 26, No. 7, 09.2017, p. 991-1001.

Research output: Contribution to journalArticle

Nada, Elloumi ; Zouari, Mohamed ; Mezghani, Imed ; Ben Abdallah, Ferjani ; Woodward, Steve ; Kallel, Monem. / Adaptive biochemical and physiological responses of Eriobotrya japonica to fluoride air pollution. In: Ecotoxicology. 2017 ; Vol. 26, No. 7. pp. 991-1001.
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abstract = "The biochemical and physiological effects of fluoride were investigated in loquat trees (Eriobotrya japonica) grown in the vicinity of a phosphate fertilizer plant in Tunisia. Photosynthetic rate (Pn), stomatal conductance (Gs), transpiration rate (E), superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) activities were assessed; along with photosynthetic pigments, lipid peroxidation, electrolytic leakage (EL) and total phenolic contents in foliage and roots of trees at different distances from the phosphate fertilizer plant. All assessed parameters showed significant discrepancies in comparison with unpolluted sites. Obtained results showed high oxidative stress indices including H2O2, lipid peroxidation, and EL, SOD, CAT and GPx activities and proline contents in leaves and roots at the polluted sites as compared to control. In contrast, leaf Pn, Gs, E and photosynthetic pigment contents were low as compared to the control. These results indicate that even though antioxidant responses increased near the factory, adverse effects on physiology were pronounced.",
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author = "Elloumi Nada and Mohamed Zouari and Imed Mezghani and {Ben Abdallah}, Ferjani and Steve Woodward and Monem Kallel",
note = "Acknowledgements The authors are grateful to Mr. Kamel Maaloul, English professor at the Faculty of Sciences of Sfax for proofreading the manuscript. The authors are equally grateful to Mr. Mohamed Serbeji for the elaboration of the map of the study area.",
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AU - Nada, Elloumi

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AU - Mezghani, Imed

AU - Ben Abdallah, Ferjani

AU - Woodward, Steve

AU - Kallel, Monem

N1 - Acknowledgements The authors are grateful to Mr. Kamel Maaloul, English professor at the Faculty of Sciences of Sfax for proofreading the manuscript. The authors are equally grateful to Mr. Mohamed Serbeji for the elaboration of the map of the study area.

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N2 - The biochemical and physiological effects of fluoride were investigated in loquat trees (Eriobotrya japonica) grown in the vicinity of a phosphate fertilizer plant in Tunisia. Photosynthetic rate (Pn), stomatal conductance (Gs), transpiration rate (E), superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) activities were assessed; along with photosynthetic pigments, lipid peroxidation, electrolytic leakage (EL) and total phenolic contents in foliage and roots of trees at different distances from the phosphate fertilizer plant. All assessed parameters showed significant discrepancies in comparison with unpolluted sites. Obtained results showed high oxidative stress indices including H2O2, lipid peroxidation, and EL, SOD, CAT and GPx activities and proline contents in leaves and roots at the polluted sites as compared to control. In contrast, leaf Pn, Gs, E and photosynthetic pigment contents were low as compared to the control. These results indicate that even though antioxidant responses increased near the factory, adverse effects on physiology were pronounced.

AB - The biochemical and physiological effects of fluoride were investigated in loquat trees (Eriobotrya japonica) grown in the vicinity of a phosphate fertilizer plant in Tunisia. Photosynthetic rate (Pn), stomatal conductance (Gs), transpiration rate (E), superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) activities were assessed; along with photosynthetic pigments, lipid peroxidation, electrolytic leakage (EL) and total phenolic contents in foliage and roots of trees at different distances from the phosphate fertilizer plant. All assessed parameters showed significant discrepancies in comparison with unpolluted sites. Obtained results showed high oxidative stress indices including H2O2, lipid peroxidation, and EL, SOD, CAT and GPx activities and proline contents in leaves and roots at the polluted sites as compared to control. In contrast, leaf Pn, Gs, E and photosynthetic pigment contents were low as compared to the control. These results indicate that even though antioxidant responses increased near the factory, adverse effects on physiology were pronounced.

KW - Fluoride

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KW - Physiological responses

KW - Antioxidant activities

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JO - Ecotoxicology

JF - Ecotoxicology

SN - 0963-9292

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