Trehalose anabolism (Saccharomyces cerevisiae)

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1alpha,alpha-trehalose 6-phosphateUDPUTPH2OUDP-D-glucoseTPS1phosphatebeta-D-GlucosepyrophosphateTSL1TPS2glycolysisPGM1glucose-6-phosphateUGP1trehalosePGM2glucose-1-phosphateYHL012WTPS3H2OATH1NTH1


Description

Trehalose is a storage carbohydrate that can either be synthesized or obtained from the external environment. To be utilized as a carbon source, trehalase (EC:3.2.1.28) must convert trehalose and water into two molecules of glucose. S. cerevisiae has two trehalase enzymes, one is an acid trehalase encoded by ATH1 and the other is a neutral trehalase encoded by NTH1. The name "acid" or "neutral" are based on the optimal pH of each enzyme (pH 4.5-5.0 and pH 6.8-7.0, respectively).

Comments

GenMAPP remarks 
Based on http://pathway.yeastgenome.org/biocyc/

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Quality Tags

Ontology Terms

 

Bibliography

  1. François J, Parrou JL; ''Reserve carbohydrates metabolism in the yeast Saccharomyces cerevisiae.''; FEMS Microbiol Rev, 2001 PubMed Europe PMC Scholia

History

View all...
CompareRevisionActionTimeUserComment
117351view11:54, 20 May 2021EweitzModified title
107258view14:35, 17 September 2019MaintBotChEBI identifier normalization
96414view11:59, 13 March 2018EgonwReplaced secondary ChEBI identifiers with primary identifiers.
94161view14:30, 24 August 2017DeSlAdded missing IDs to datanodes
94160view14:26, 24 August 2017DeSlModified description
94159view14:25, 24 August 2017DeSlChanged text labels into metabolite ndoes, annotated them, added lit. ref, connected all lines, added trehalose degradation to D-glucose.
69664view20:40, 8 July 2013MaintBotUpdated to 2013 gpml schema
68410view16:38, 5 July 2013EgonwMarked a few DataNodes with CAS registry numbers as metabolites.
68409view13:59, 5 July 2013DdiglesOntology Term : 'trehalose biosynthetic pathway' added !
68408view13:58, 5 July 2013DdiglesOntology Term : 'PW:0000101' removed !
67714view11:53, 26 June 2013DdiglesOntology Term : 'translation pathway' added !
41905view04:54, 2 March 2011MaintBotRemoved redundant pathway information and comments
21520view11:32, 14 November 2008MaintBot[[Pathway:Saccharomyces cerevisiae:Trehalose Anabolism]] moved to [[Pathway:WP398]]: Moved to stable identifier
12873view08:06, 17 May 2008MaintBotautomated metabolite conversion
8969view14:13, 7 January 2008MaintBotAdded to category $category
8967view14:13, 7 January 2008M.BraymerUploaded new pathway

External references

DataNodes

View all...
NameTypeDatabase referenceComment
ATH1GeneProductYPR026W (Ensembl) acid trehalase
H2OMetaboliteCHEBI:15377 (ChEBI)
NTH1GeneProductYDR001C (Ensembl) neutral trehalase
PGM1GeneProductS000001610 (SGD)
PGM2GeneProductS000004711 (SGD)
TPS1GeneProductS000000330 (SGD)
TPS2GeneProductS000002481 (SGD)
TPS3GeneProductS000004874 (SGD)
TSL1GeneProductS000004566 (SGD)
UDP-D-glucoseMetaboliteCHEBI:52249 (ChEBI)
UDPMetaboliteCHEBI:9802 (ChEBI)
UGP1GeneProductS000001518 (SGD)
UTPMetaboliteCHEBI:46398 (ChEBI)
YHL012WGeneProductS000001004 (SGD)
alpha,alpha-trehalose 6-phosphateMetaboliteQ27102967 (Wikidata)
beta-D-GlucoseMetaboliteCHEBI:10397 (ChEBI)
glucose-1-phosphateMetabolite16077 (ChEBI)
glucose-6-phosphateMetabolite75150 (ChEBI)
glycolysisPathway
phosphateMetabolite14265-44-2 (CAS)
pyrophosphateMetabolite2466-09-3 (CAS)
trehaloseMetabolite99-20-7 (CAS)

Annotated Interactions

No annotated interactions
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