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23 March 2007 Trehalose and its applications in plant biotechnology
André M. Almeida, Luís A. Cardoso, Dulce M. Santos, José M. Torné, Pedro S. Fevereiro
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Abstract

Trehalose, a nonreducing disaccharide of glucose, is one of the most effective osmoprotectants. Several strategies leading to its accumulation have been envisaged in both model and crop plants using genes of bacterial, yeast and, more recently, plant origin. Significant levels of trehalose accumulation have been shown to cause abiotic stress tolerance in transgenic plants. In this review, we describe the most biologically relevant features of trehalose: chemical and biological properties; occurrence and metabolism in organisms with special reference to plants; protective role in stabilizing molecules; physiological role in plants with special reference to carbohydrate metabolism. The emphasis of this review, however, will be on manipulation of trehalose metabolism to improve abiotic stress tolerance in plants.

André M. Almeida, Luís A. Cardoso, Dulce M. Santos, José M. Torné, and Pedro S. Fevereiro "Trehalose and its applications in plant biotechnology," In Vitro Cellular and Developmental Biology - Plant 43(3), 167-177, (23 March 2007). https://doi.org/10.1007/s11627-006-9024-3
Received: 3 March 2006; Accepted: 22 December 2006; Published: 23 March 2007
JOURNAL ARTICLE
11 PAGES

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KEYWORDS
Abiotic stress tolerance
Carbohydrate metabolism
genetic engineering
Trehalose metabolism
water deficit
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