The paper deals with the effect of sugarson LeEXPA2 expression in tomato (Lycopersiconesculentum) hypocotyl segments, which is a wellstudiedsystem for analysis of cell elongation. Wetested the interactions between sugars and differentplant hormones classically known to be involved inplant growth. We found the induction of LeEXPA2transcript accumulation to be positively affected bythe presence of sucrose and other metabolizablesugars. The effect mediated by sorbitol and by anon-metabolizable glucose analogue (3-O-methylglucose) is lower, while the structural analogue ofsucrose, turanose, leads to any auxin-inducedincrease in LeEXPA2 transcript abundance.
Effect of sugars on auxin-mediated LeEXPA2 gene expression / Arru, Laura; Rognoni, S; Poggi, A; E., Loreti. - In: PLANT GROWTH REGULATION. - ISSN 0167-6903. - STAMPA. - 55:1(2008), pp. 11-20. [10.1007/s10725-007-9252-5]
Effect of sugars on auxin-mediated LeEXPA2 gene expression
ARRU, Laura;
2008
Abstract
The paper deals with the effect of sugarson LeEXPA2 expression in tomato (Lycopersiconesculentum) hypocotyl segments, which is a wellstudiedsystem for analysis of cell elongation. Wetested the interactions between sugars and differentplant hormones classically known to be involved inplant growth. We found the induction of LeEXPA2transcript accumulation to be positively affected bythe presence of sucrose and other metabolizablesugars. The effect mediated by sorbitol and by anon-metabolizable glucose analogue (3-O-methylglucose) is lower, while the structural analogue ofsucrose, turanose, leads to any auxin-inducedincrease in LeEXPA2 transcript abundance.
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