Biomaterial Database

Lysine catabolism in Streptomyces spp. is primarily through cadaverine: beta-lactam producers also make alpha-aminoadipate. 1989

K Madduri, and C Stuttard, and L C Vining

Department of Microbiology, Dalhousie University, Halifax, Nova Scotia, Canada.

Genetic and biochemical evidence was obtained for lysine catabolism via cadaverine and delta-aminovalerate in both the beta-lactam producer Streptomyces clavuligerus and the nonproducer Streptomyces lividans. This pathway is used when lysine is supplied as the sole source of nitrogen for the organism. A second pathway for lysine catabolism is present in S. clavuligerus but not in S. lividans. It leads to alpha-aminoadipate, a precursor for beta-lactam biosynthesis. Since it does not allow S. clavuligerus to grow on lysine as the sole nitrogen source, this pathway may be used exclusively to provide a precursor for beta-lactam biosynthesis. beta-Lactam producers were unable to grow well on alpha-aminoadipate as the only nitrogen source, whereas three of seven species not known to produce beta-lactam grew well under the same conditions. Lysine epsilon-aminotransferase, the initial enzyme in the alpha-aminoadipate pathway for lysine catabolism, was detected in cell extracts only from the beta-lactam producers. These results suggest that synthesis of alpha-aminoadipate is exclusively a secondary metabolic trait, present or expressed only in beta-lactam producers, while genes governing the catabolism of alpha-aminoadipate are present or fully expressed only in beta-lactam nonproducers.

UI	MeSH Term	Description	Entries
D008239	Lysine	An essential amino acid. It is often added to animal feed.	Enisyl,L-Lysine,Lysine Acetate,Lysine Hydrochloride,Acetate, Lysine,L Lysine
D009154	Mutation	Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations.	Mutations
D002103	Cadaverine	A foul-smelling diamine formed by bacterial DECARBOXYLATION of LYSINE. It is also an intermediate secondary metabolite in lysine-derived alkaloid biosynthetic pathways (e.g., QUINOLIZIDINES and LYCOPODIUM).	1,5-Pentanediamine,BioDex 1,Pentamethylenediamine,1,5 Pentanediamine
D003959	Diamines	Organic chemicals which have two amino groups in an aliphatic chain.	Diamine
D000600	Amino Acids, Dicarboxylic		Dicarboxylic Amino Acids,Acids, Dicarboxylic Amino
D000900	Anti-Bacterial Agents	Substances that inhibit the growth or reproduction of BACTERIA.	Anti-Bacterial Agent,Anti-Bacterial Compound,Anti-Mycobacterial Agent,Antibacterial Agent,Antibiotics,Antimycobacterial Agent,Bacteriocidal Agent,Bacteriocide,Anti-Bacterial Compounds,Anti-Mycobacterial Agents,Antibacterial Agents,Antibiotic,Antimycobacterial Agents,Bacteriocidal Agents,Bacteriocides,Agent, Anti-Bacterial,Agent, Anti-Mycobacterial,Agent, Antibacterial,Agent, Antimycobacterial,Agent, Bacteriocidal,Agents, Anti-Bacterial,Agents, Anti-Mycobacterial,Agents, Antibacterial,Agents, Antimycobacterial,Agents, Bacteriocidal,Anti Bacterial Agent,Anti Bacterial Agents,Anti Bacterial Compound,Anti Bacterial Compounds,Anti Mycobacterial Agent,Anti Mycobacterial Agents,Compound, Anti-Bacterial,Compounds, Anti-Bacterial
D013045	Species Specificity	The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.	Species Specificities,Specificities, Species,Specificity, Species
D013302	Streptomyces	A genus of bacteria that form a nonfragmented aerial mycelium. Many species have been identified with some being pathogenic. This genus is responsible for producing a majority of the ANTI-BACTERIAL AGENTS of practical value.
D015074	2-Aminoadipic Acid	A metabolite in the principal biochemical pathway of lysine. It antagonizes neuroexcitatory activity modulated by the glutamate receptor, N-METHYL-D-ASPARTATE; (NMDA).	alpha-Aminoadipic Acid,2 Aminoadipic Acid,2-Aminohexanedioic Acid,2 Aminohexanedioic Acid,Acid, 2 Aminoadipic,Acid, 2-Aminoadipic,Acid, 2-Aminohexanedioic,Acid, alpha-Aminoadipic,Aminoadipic Acid, 2,alpha Aminoadipic Acid
D015394	Molecular Structure	The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.	Structure, Molecular,Molecular Structures,Structures, Molecular