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Pathway Description
Glycerol Metabolism
Pseudomonas aeruginosa
Category:
Metabolite Pathway
Sub-Category:
Metabolic
Created: 2019-08-12
Last Updated: 2019-08-16
Glycerol metabolism starts with glycerol is introduced into the cytoplasm through a glycerol channel GlpF Glycerol is then phosphorylated through an ATP mediated glycerol kinase resulting in a Glycerol 3-phosphate. This compound can also be obtained through a glycerophosphodiester reacting with water through a glycerophosphoryl diester phosphodiesterase or it can also be introduced into the cytoplasm through a glycerol-3-phosphate:phosphate antiporter.
Glycerol 3-phosphate is then metabolized into a dihydroxyacetone phosphate in both aerobic or anaerobic conditions. In anaerobic conditions the metabolism is done through the reaction of glycerol 3-phosphate with a menaquinone mediated by a glycerol-3-phosphate dehydrogenase protein complex. In aerobic conditions, the metabolism is done through the reaction of glycerol 3-phosphate with ubiquinone mediated by a glycerol-3-phosphate dehydrogenase [NAD(P]+].
Dihydroxyacetone phosphate is then introduced into the fructose metabolism by turning a dihydroxyacetone into an isomer through a triosephosphate isomerase resulting in a D-glyceraldehyde 3-phosphate which in turn reacts with a phosphate through a NAD dependent Glyceraldehyde 3-phosphate dehydrogenase resulting in a glyceric acid 1,3-biphosphate. This compound is desphosphorylated by a phosphoglycerate kinase resulting in a 3-phosphoglyceric acid.This compound in turn can either react with a 2,3-bisphosphoglycerate-independent phosphoglycerate mutase or a 2,3-bisphosphoglycerate-independent phosphoglycerate mutase resulting in a 2-phospho-D-glyceric acid. This compound interacts with an enolase resulting in a phosphoenolpyruvic acid and water. Phosphoenolpyruvic acid can react either through a AMP driven phosphoenoylpyruvate synthase or a ADP driven pyruvate kinase protein complex resulting in a pyruvic acid. Pyruvic acid reacts with CoA through a NAD driven pyruvate dehydrogenase complex resulting in a carbon dioxide and a Acetyl-CoA which gets incorporated into the TCA cycle pathway.
References
Glycerol Metabolism References
Winstanley C, Langille MG, Fothergill JL, Kukavica-Ibrulj I, Paradis-Bleau C, Sanschagrin F, Thomson NR, Winsor GL, Quail MA, Lennard N, Bignell A, Clarke L, Seeger K, Saunders D, Harris D, Parkhill J, Hancock RE, Brinkman FS, Levesque RC: Newly introduced genomic prophage islands are critical determinants of in vivo competitiveness in the Liverpool Epidemic Strain of Pseudomonas aeruginosa. Genome Res. 2009 Jan;19(1):12-23. doi: 10.1101/gr.086082.108. Epub 2008 Dec 1.
Pubmed: 19047519
Stover CK, Pham XQ, Erwin AL, Mizoguchi SD, Warrener P, Hickey MJ, Brinkman FS, Hufnagle WO, Kowalik DJ, Lagrou M, Garber RL, Goltry L, Tolentino E, Westbrock-Wadman S, Yuan Y, Brody LL, Coulter SN, Folger KR, Kas A, Larbig K, Lim R, Smith K, Spencer D, Wong GK, Wu Z, Paulsen IT, Reizer J, Saier MH, Hancock RE, Lory S, Olson MV: Complete genome sequence of Pseudomonas aeruginosa PAO1, an opportunistic pathogen. Nature. 2000 Aug 31;406(6799):959-64. doi: 10.1038/35023079.
Pubmed: 10984043
Yan J, Deforet M, Boyle KE, Rahman R, Liang R, Okegbe C, Dietrich LEP, Qiu W, Xavier JB: Bow-tie signaling in c-di-GMP: Machine learning in a simple biochemical network. PLoS Comput Biol. 2017 Aug 2;13(8):e1005677. doi: 10.1371/journal.pcbi.1005677. eCollection 2017 Aug.
Pubmed: 28767643
Schweizer HP, Jump R, Po C: Structure and gene-polypeptide relationships of the region encoding glycerol diffusion facilitator (glpF) and glycerol kinase (glpK) of Pseudomonas aeruginosa. Microbiology. 1997 Apr;143 ( Pt 4):1287-97. doi: 10.1099/00221287-143-4-1287.
Pubmed: 9141691
Schweizer HP, Po C: Cloning and nucleotide sequence of the glpD gene encoding sn-glycerol-3-phosphate dehydrogenase of Pseudomonas aeruginosa. J Bacteriol. 1994 Apr;176(8):2184-93. doi: 10.1128/jb.176.8.2184-2193.1994.
Pubmed: 8157588
Lee DG, Urbach JM, Wu G, Liberati NT, Feinbaum RL, Miyata S, Diggins LT, He J, Saucier M, Deziel E, Friedman L, Li L, Grills G, Montgomery K, Kucherlapati R, Rahme LG, Ausubel FM: Genomic analysis reveals that Pseudomonas aeruginosa virulence is combinatorial. Genome Biol. 2006;7(10):R90. doi: 10.1186/gb-2006-7-10-r90. Epub 2006 Oct 12.
Pubmed: 17038190
Ouidir T, Jarnier F, Cosette P, Jouenne T, Hardouin J: Potential of liquid-isoelectric-focusing protein fractionation to improve phosphoprotein characterization of Pseudomonas aeruginosa PA14. Anal Bioanal Chem. 2014 Oct;406(25):6297-309. doi: 10.1007/s00216-014-8045-8. Epub 2014 Aug 6.
Pubmed: 25096199
This pathway was propagated using PathWhiz -
Pon, A. et al. Pathways with PathWhiz (2015) Nucleic Acids Res. 43(Web Server issue): W552–W559.
Propagated from SMP0000931
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