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Effects of polyethylene terephthalate (PET) microplastics and acid rain on physiology and growth of Lepidium sativum
Monia Renzi, Sara Pignattelli, Andrea Broccoli, Manuela Piccardo, Antonio Terlizzi, 2021, izvirni znanstveni članek

Opis: This study evaluated the chronic toxicity (30 days) of different sizes of polyethylene terephthalate (PET) microplastics (60e3000 mm) provided alone or in combination with acid rain, on garden cress (Lepidium sativum). Both biometrical and physiological traits have been evaluated: i) percentage inhibition of seed germination, plant height, leaf number and fresh biomass production; ii) oxidative stress responses (hydrogen peroxide; ascorbic acid and glutathione production); iii) impairment in photosynthetic machinery in term of pigments production; iv) aminolevulinic acid and proline production. Results highlighted that different sizes of PET, alone or in combination with acid rain, are able to negatively affect both biometrical and physiological plant traits. In particular, the lower size of microplastics is able to negatively affect growth and development, as well as to trigger the oxidative burst. Regarding the pigments production, PET coupled with acid rain, induced a higher production of Chl-b, and an inhibition of aminolevulinic acid.
Najdeno v: ključnih besedah
Povzetek najdenega: ...terephthalate, acid rain, lepidium sativum, oxidative burst, germinability, chlorophylls...
Ključne besede: polyethylene terephthalate, acid rain, lepidium sativum, oxidative burst, germinability, chlorophylls
Objavljeno: 02.04.2021; Ogledov: 892; Prenosov: 0
.pdf Polno besedilo (688,72 KB)

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