Conclusions and Perspectives

The recently discovered trehalose metabolism in plants has a high significance in different aspects of the plant physiology and development, since trehalose metabolism, and especially the intermediate T6P, has been shown to play a central role in the plant cell carbon metabolism as well as in the sugar distribution between different tissues. In that sense, most of the recent studies have focused on T6P and its function on plant development. Although transgenic plants with microbial trehalose biosynthesis often lead to developmental aberrations, diverse studies have shown that trehalose accumulation is involved in protecting plants from different forms of abiotic stresses such as desiccation or salinity. These results are promising for the generation of crops resistant to abiotic stresses, although to better understand the role of trehalose in plant protection further studies are still required including transcriptomics, proteomics, and metabolomics approaches for a complete view of trehalose role in plants.

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