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Updated: Mar 29, 2026

Rapid One-step Enzymatic Synthesis and All-aqueous Purification of Trehalose Analogues

Rapid One-step Enzymatic Synthesis and All-aqueous Purification of Trehalose Analogues

Published on: February 17, 2017

THE UNKNOWN SHADOWS OF TREHALASE.

M Janiak, E Kissel, P Van Dijck

Communications in Agricultural and Applied Biological Sciences

|December 4, 2015

Summary

This summary is machine-generated.

Trehalase, an enzyme in plant sugar metabolism, may act as a feedback signal to close stomata after photosynthesis. This finding in Arabidopsis and banana plants reveals a new role for trehalase in plant stress response.

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Area of Science:

Plant Metabolism
Plant Physiology
Biochemistry

Background:

Sugar pathways significantly influence plant metabolism, with the trehalose pathway implicated in stress signaling.
Trehalase, the final enzyme in this pathway, is highly expressed in guard cells, affecting stomatal closure and abscisic acid response.

Purpose of the Study:

To investigate a potential new function of trehalase in regulating stomatal closure as a feedback mechanism for sucrose signaling during efficient photosynthesis.
To characterize the phenotypic effects of trehalase modifications on plant responses.

Main Methods:

Phenotypic studies were conducted on Arabidopsis thaliana and Musa mutants.
Measurements included dynamic cumulative water loss, dynamic leaf surface temperature, and stomatal conductance.
Proteomics studies, including mass spectrometry and enzymatic activity assays, were planned based on phenotypic data.

Main Results:

Phenotypic studies indicated a potential role for trehalase in the feedback regulation of sucrose as a stomatal closing signal.
Specific time points for further proteomic analysis were identified based on observed phenotypes.

Conclusions:

Trehalase may function in a feedback loop, using sucrose levels to signal stomatal closure in response to high photosynthetic activity.
Further proteomic and enzymatic analyses will elucidate the complete role of trehalase and associated proteins in this feedback pathway.