About the role of trehalose in plants


  • Tjaša GORJANC Izletniška ulica 1, 1231 Ljubljana - Črnuče, Slovenia
  • Dominik VODNIK University of Ljubljana, Biotechnical Faculty, Agronomy Department, Jamnikarjeva ulica 101, SI-1111 Ljubljana, Slovenia




trehalose, sugar metabolism, sucrose, starch, stress


Trehalose is an important disaccharide which takes a major role of a stress protector in many organisms, including green algae and lower plants. It has long been thought that trehalose functions in higher plants are marginal and that they have been overtaken by sucrose. In the last years it has been discovered that trehalose takes on a lot of important physiological roles in vascular plants metabolism. It is an important signal metabolite of sucrose availability and maintains sucrose concentrations within an appropriate range. It also contributes to starch synthesis and degradation and to synthesis of organic acids. Trehalose-sucrose nexus was found to be very important in plant interactions with pathogenic organisms and herbivorous insects. Furthermore, trehalose is involved in response of plant to abiotic stressors such as drought, cold, salinity and hypoxia. It contributes in regulation of stomatal conductivity where it interacts with abscisic acid. All this makes trehalose an important primary metabolite which significantly influences plant growth and development such as induction of flowering and stimulation of photosynthesis.


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8. 04. 2018



Agronomy section

How to Cite

GORJANC, T., & VODNIK, D. (2018). About the role of trehalose in plants. Acta Agriculturae Slovenica, 111(1), 219–227. https://doi.org/10.14720/aas.2018.111.1.21

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