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SM ISO690:2012 CRIŞAN, Manuela E., HALIP, Liliana, SUMALAN, Radu, CROITOR, Lilia, SIMINEL, Anatolii, BOUROSH, Pavlina, CHUMAKOV, Yurii, MAFFEI, Massimo. Prospective fluorescent plant growth regulators and their response in plants. In: New trends and strategies in the chemistry of advanced materials with relevance in biological systems, technique and environmental protection, 7-8 octombrie 2021, Timișoara. Timişoara, România: Institute of Chemistry Timişoara of the Romanian Academy, 2021, Ediția a 13-a, p. 46. |
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New trends and strategies in the chemistry of advanced materials with relevance in biological systems, technique and environmental protection Ediția a 13-a, 2021 |
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Conferința "New trends and strategies in the chemistry of advanced materials with relevance in biological systems, technique and environmental protection" Timișoara, Romania, 7-8 octombrie 2021 | |||||||
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Pag. 46-46 | |||||||
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The development of environmentally friendly plant growth regulators (PGRs) has become a necessity for sustainable agriculture. Our research provides the synthesis, structural and physico-chemical characterization, as well as biological assessment of new fluorescent compounds based on non-toxic components or natural metabolites as alternatives to classical PGRs [1-3]. Crystallographic studies reveal the versatility of alkanolamine-substituted benzoic acid systems, which generate various supramolecular assemblies guided by one or more non-covalent interactions [4, 5]. The results show that ethanolammonium p-aminobenzoate (HEA-pABA) has higher fluorescence intensity than classical auxin indole-3-acetic acid (IAA) and auxin-like behavior on the model plant Arabidopsis (Arabidopsis thaliana), as well as two main commercial vegetables cultivated in Europe, cucumber (Cucumis sativus) and tomato (Solanum lycopersicum). The binding modes and affinity of HEA-pABA in relation to IAA into TIR1 auxin receptors (C. sativus -CsTIR1, S. lycopersicum – SlTIR1) were investigated by computational approaches such as homology modeling and molecular docking. Both experimental and theoretical results highlight HEA-pABA as a fluorescent compound with auxin-like activity in studied plants. Therefore, alkanolammonium benzoates can be considered promising PGRs with great potential to be efficiently used in sustainable vegetable crops. |
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