Osmolytes and Plants Acclimation to Changing Environment: Emerging Omics Technologies by Noushina Iqbal Rahat Nazar & Nafees A. Khan

Author:Noushina Iqbal, Rahat Nazar & Nafees A. Khan
Language: eng
Format: epub
Publisher: Springer India, New Delhi

6.2.2 TreY–TreZ Pathway

This pathway was first discovered in Arthrobacter sp. (Maruta et al. 1995). Basically maltodextrins are converted into trehalose by two-step pathway. In the beginning, by intramolecular transglycosylation, maltooligosyltrehalose synthase (TreY) catalyzes the conversion of maltopentaose into maltooligosyl trehalose; after that, maltooligosyltrehalose trehalohydrolase (TreZ) hydrolyses the maltooligosyl trehalose and releasing free trehalose (Maruta et al. 1995). Various researchers showed that TreY pathway is common in many bacterial species like Rhizobium, Bradyrhizobium japonicum, and Corynebacterium whereas this pathway is absent in main bacterial species like Bacillus subtilis and Escherichia (Maruta et al. 1996; Sugawara et al. 2010; Tzvetkov et al. 2003).

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