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The shikimate pathway (shikimic acid pathway) is a seven-step metabolic pathway used by bacteria, archaea, fungi, algae, some protozoans, and plants for the biosynthesis of folates and aromatic amino acids (tryptophan, phenylalanine, and tyrosine). This pathway is not found in mammals.
The shikimate pathway, named after shikimic acid as important intermediate, is a seven-step metabolic route used by bacteria, fungi, algae, parasites, and plants for the biosynthesis of aromatic amino acids (phenylalanine, tyrosine, and tryptophan).
EPSP synthase participates in the biosynthesis of the aromatic amino acids phenylalanine, tyrosine, and tryptophan via the shikimate pathway in bacteria, fungi, and plants. EPSP synthase is produced only by plants and micro-organisms; the gene coding for it is not in the mammalian genome. [6] [7] Gut flora of some animals contain EPSPS. [8]
Thus the amount of carbon entering the shikimate pathway can be controlled by inhibiting DAHP synthase from catalyzing the reaction that forms DAHP. Carbon flow into the shikimate pathway in plants is regulated by transcriptional control. [3] This method is also found in bacteria, but feedback inhibition is more prevalent. [2]
Shikimate kinase (EC 2.7.1.71) is an enzyme that catalyzes the ATP-dependent phosphorylation of shikimate to form shikimate 3-phosphate. [1] This reaction is the fifth step of the shikimate pathway, [2] which is used by plants and bacteria to synthesize the common precursor of aromatic amino acids and secondary metabolites.
The shikimate pathway is composed of seven steps, each catalyzed by an enzyme. The shikimate pathway is responsible for producing the precursors for aromatic amino acids, which are essential to our diets because we cannot synthesize them in our bodies. Only plants, bacteria, and microbial eukaryotes are capable of producing aromatic amino acids.
Shikimate dehydrogenase is an enzyme that catalyzes one step of the shikimate pathway.This pathway is found in bacteria, plants, fungi, algae, and parasites and is responsible for the biosynthesis of aromatic amino acids (phenylalanine, tyrosine, and tryptophan) from the metabolism of carbohydrates.
The Shikimate pathway has become a focus of research into the development of herbicides and antimicrobial agents because it is an essential pathway in many plants, bacteria, and parasites but does not exist in mammals. [1] Inhibitors of the shikimate pathway in mycobacterium have the potential of treating tuberculosis. [5] [6]