alexa Phytoextraction potential of wild type and 35S-gshI transgenic poplar trees (Populus x Canescens) for environmental pollutants herbicide paraquat, salt sodium, zinc sulfate and nitric oxide in vitro.
General Science

General Science

Journal of Forensic Biomechanics

Author(s): Gyulai G, Bittsnszky A, Szab Z, Waters L Jr, Gullner G,

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Abstract Phytoextraction potentials of two transgenic (TR) poplar (Populus x canescens) clones TRggs11 and TRlgl6 were compared with that of wild-type (WT) following exposure to paraquat, zinc sulfate, common salt and nitric oxide (NO), using a leaf-disc system incubated for 21 days on EDTA-containing nutritive WPM media in vitro. Glutathione (GSH) contents of leaf discs of TRlgl6 and TRggs11 showed increments to 296\% and 190\%, respectively, compared with WT. NO exposure led to a twofold GSH content in TRlgl6, which was coupled with a significantly increased sulfate uptake when exposed to 10(-3) M ZnSO4. The highest mineral contents of Na, Zn, Mn, Cu, and Mo was observed in the TRggs11 clone. Salt-induced activity of catalase enzyme increased in both TR clones significantly compared with WT under NaCl (0.75\% and 1.5\%) exposure. The in silico sequence analyses of gsh1 genes revealed that P. x canadensis and Salix sachalinensis show the closest sequence similarity to that of P. x canescens, which predicted an active GSH production with high phytoextraction potentials of these species with indication for their use where P. x canescens can not be grown. This article was published in Int J Phytoremediation and referenced in Journal of Forensic Biomechanics

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