2020
DOI: 10.7717/peerj.8267
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Elucidating physiological and biochemical alterations in giant duckweed (Spirodela polyrhizaL. Schleiden) under diethyl phthalate stress: insights into antioxidant defence system

Abstract: Background The emollient properties of phthalates have led to their extensive production and intense use in plastic products. Owing to their weak covalent bonding with the plastic polymers, phthalates enter into the environment during their manufacturing, processing, disposal, consequently found their way directly into water sources, soil, and sediments. Methods The present study envisaged the toxic effects of diethyl phthalate (DEP) on phy… Show more

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Cited by 12 publications
(6 citation statements)
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“…The dark pigment is most likely anthocyanin, which is known to protect tissues from oxidative damage ( Agati et al, 2021 ). Anthocyanin has been found in duckweed fronds exposed to heavy metal, and organic pollutants ( Jayasri & Suthindhiran, 2017 ; Sharma & Kaur, 2020 ). High light intensity can also trigger anthocyanin biosynthesis, helping plants cope with oxidative stress ( Tattini et al, 2005 ).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The dark pigment is most likely anthocyanin, which is known to protect tissues from oxidative damage ( Agati et al, 2021 ). Anthocyanin has been found in duckweed fronds exposed to heavy metal, and organic pollutants ( Jayasri & Suthindhiran, 2017 ; Sharma & Kaur, 2020 ). High light intensity can also trigger anthocyanin biosynthesis, helping plants cope with oxidative stress ( Tattini et al, 2005 ).…”
Section: Discussionmentioning
confidence: 99%
“…Duckweed fronds exposed to abiotic environmental stressors, namely heavy metals and organic pollutants, exhibit elevated levels of anthocyanins ( Jayasri & Suthindhiran, 2017 ; Sharma & Kaur, 2020 ), implying these dark pigments play a role in stress defence also in this group of species. Night irradiation with LED lights was linked to anthocyanin accumulation in the skin of grape berries ( Kondo et al, 2014 ) and in broccoli sprouts ( Kohda et al, 2022 ), suggesting that the ALAN is a stress factor capable of inducing increased anthocyanin production.…”
Section: Introductionmentioning
confidence: 99%
“…In addition to that, performance and hyphae appear on the contact surface between sulfurized modi ed straw and the copper tailings, thus improving the living environment of microorganisms, and further effectively enhancing the plant suitability of the copper tailings and the suitable environment for the growth of tall fescue. Moreover, the change of chlorophyll content is an adaptive change of plants to adversity conditions (Sharma & Kaur 2020). Compared with the copper tailing substrates treated with different treatments, the chlorophyll content of tall fescue grown on the original copper tailings is lower, maybe because various heavy metal elements in the copper tailing substrate are absorbed and transported to the leaf parts through the roots, forming the plant body.…”
Section: Discussionmentioning
confidence: 99%
“…The high dose of 400 ppm of DEP significantly caused a reduction in carbohydrate and proteins by 86% and 76%, respectively, with an increase in the Monodialdehyde content (MDA) by 42%. Sprirodela polyrhiza accumulated 112 mg/kg of DEP, altering the activities of antioxidant enzymes (SOD, CAT, APX, GP and GR) with the induction of enhanced levels of proline, electrolytic leakage, and phenolic content (Sharma & Kaur, 2020). A study by Cunha et al documented the inhibition of the growth rate.…”
Section: Toxicitymentioning
confidence: 99%