Download Amino Acid Biosynthesis ~ Pathways, Regulation and Metabolic by Hiroshi Shimizu, Takashi Hirasawa (auth.), Volker F. PDF

By Hiroshi Shimizu, Takashi Hirasawa (auth.), Volker F. Wendisch (eds.)

Amino Acids Biosynthesis offers the present wisdom of basic in addition to utilized microbiology of amino acids. subject matters mentioned are the amino acid biosynthetic pathways, their genetic and biochemical law, shipping of amino acids and genomics of manufacturing microorganisms. The characterization of the keep watch over mechanisms of amino acid biosynthesis has printed insights into ideas of genetic and biochemical legislation, corresponding to transcriptional regulators and a brand new classification of regulatory parts, the riboswitch.

The quantity additional offers with the metabolic engineering of microorganisms for the biotechnological construction of amino acids to be used as prescribed drugs and, fairly, as nutrients and feed ingredients. finished experiences are given of modern achievements to allow or increase creation of amino acids and dipeptides by means of fermentation and enzyme catalysis. the following, the actual concentration is on metabolic engineering, the rational development of metabolic features utilizing recombinant DNA technology.

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Extra resources for Amino Acid Biosynthesis ~ Pathways, Regulation and Metabolic Engineering

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2001; Eggeling and Sahm 1999; Hermann 2003; Pfefferle et al. 2003). Fig. 1 Development of the world-wide annual biotechnological production of l-lysine The l-Lysine Story: From Metabolic Pathways to Industrial Production 41 2 Lysine Biosynthetic Pathways In microorganisms, lysine can be synthesized by two completely different routes: either from 2-oxoglutarate and acetyl-CoA via the α-aminoadipate route or from aspartate via the diaminopimelate route. Two variants of the αaminoadipate route (for review see Velasco et al.

58 58 60 References . . . . . . . . . . . . . . . . . . . . 62 . . . . . . . . . . . . . . Abstract l-lysine is an essential amino acid required for nutrition of animals and humans. It has to be present in food and feed, which, in many cases, is realized by supplementation of the feed-stuffs with pure lysine. The high importance of lysine in nutrition has stimulated intensive research on the lysine biosynthetic pathways and their regulation and the search for microorganisms capable of over-producing this amino acid.

ProP and EctP are regulated in their activity according to the change in external osmotic pressure (Peter et al. 1998). pdf Ankri S, Serebrijski I, Reyes O, Leblon G (1996) Mutations in the Corynebacterium glutamicum proline biosynthetic pathway: a natural bypass of the proA step. J Bacteriol 178:4412–4419 Aoki R, Wada M, Takesue N, Tanaka K, Yokota A (2005) Enhanced glutamic acid production by a H+ -ATPase-defective mutant of Corynebacterium glutamicum. Biosci Biochem Biotech 69:1466–1472 30 H.

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