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Mol Plant. 2010 Mar;3(2):406-19. doi: 10.1093/mp/ssp114. Epub 2010 Jan 25.

A single active trehalose-6-P synthase (TPS) and a family of putative regulatory TPS-like proteins in Arabidopsis.

Author information

1
Laboratory of Functional Biology, Plant Metabolic Signaling Group, Institute of Botany and Microbiology, KU Leuven, Kasteelpark Arenberg 31-bus 2438, B-3001 Heverlee, Belgium.

Abstract

Higher plants typically do not produce trehalose in large amounts, but their genome sequences reveal large families of putative trehalose metabolism enzymes. An important regulatory role in plant growth and development is also emerging for the metabolic intermediate trehalose-6-P (T6P). Here, we present an update on Arabidopsis trehalose metabolism and a resource for further detailed analyses. In addition, we provide evidence that Arabidopsis encodes a single trehalose-6-P synthase (TPS) next to a family of catalytically inactive TPS-like proteins that might fulfill specific regulatory functions in actively growing tissues.

PMID:
20100798
DOI:
10.1093/mp/ssp114
[Indexed for MEDLINE]
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