Cloned (Comment) | Organism |
---|---|
gene lasI, genetic organization and las genetic locus | Pseudomonas aeruginosa |
gene ppuI, genetic organization and ppu genetic locus | Pseudomonas putida |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
9-hydroxy-2-propyl-4H-pyrido[1,2-a]pyrimidin-4-one | - |
Pseudomonas putida | |
N-(3-oxocyclohex-1-en-1-yl)octanamide | - |
Pseudomonas putida |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
3-oxo-dodecanoyl-[acyl-carrier protein] + S-adenosyl-L-methionine | Pseudomonas aeruginosa | - |
[acyl-carrier protein] + S-methyl-5'-thioadenosine + N-3-oxododecanoyl-L-homoserine lactone | - |
? | |
3-oxo-dodecanoyl-[acyl-carrier protein] + S-adenosyl-L-methionine | Pseudomonas putida | - |
[acyl-carrier protein] + S-methyl-5'-thioadenosine + N-3-oxododecanoyl-L-homoserine lactone | - |
? | |
3-oxo-dodecanoyl-[acyl-carrier protein] + S-adenosyl-L-methionine | Pseudomonas putida WCS358 | - |
[acyl-carrier protein] + S-methyl-5'-thioadenosine + N-3-oxododecanoyl-L-homoserine lactone | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Pseudomonas aeruginosa | - |
gene lasI | - |
Pseudomonas putida | - |
gene ppuI | - |
Pseudomonas putida WCS358 | - |
gene ppuI | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
3-oxo-dodecanoyl-[acyl-carrier protein] + S-adenosyl-L-methionine | - |
Pseudomonas aeruginosa | [acyl-carrier protein] + S-methyl-5'-thioadenosine + N-3-oxododecanoyl-L-homoserine lactone | - |
? | |
3-oxo-dodecanoyl-[acyl-carrier protein] + S-adenosyl-L-methionine | - |
Pseudomonas putida | [acyl-carrier protein] + S-methyl-5'-thioadenosine + N-3-oxododecanoyl-L-homoserine lactone | - |
? | |
3-oxo-dodecanoyl-[acyl-carrier protein] + S-adenosyl-L-methionine | - |
Pseudomonas putida WCS358 | [acyl-carrier protein] + S-methyl-5'-thioadenosine + N-3-oxododecanoyl-L-homoserine lactone | - |
? |
Synonyms | Comment | Organism |
---|---|---|
LasI | - |
Pseudomonas aeruginosa |
LasI synthase | - |
Pseudomonas aeruginosa |
PppuI | - |
Pseudomonas putida |
Organism | Comment | Expression |
---|---|---|
Pseudomonas putida | RsaLWCS displays a strong repressive effect on the promoter of the quorum sensing signal synthase gene, ppuI. Purified RsaLWCS specifically binds to ppuI on a DNA region overlapping the predicted sigma70-binding site, but the RsaLWCS protein is not able to form stable complexes efficiently with a probe encompassing the ppuI promoter, the RsaLWCS/PppuI complex is not stable in vitro, RsaLWCS needs a molecular interactor/cofactor specific for Pseudomonas putida WCS358 to repress ppuI transcription. RsaLWCS regulates siderophore-mediated growth limitation of plant pathogens and biofilmcformation, two processes relevant for plant growth-promoting activity. Mutational analysis using a chimeric RsaLWCS mutant, RsaLWCS molecular mechanism, overview | down |
Pseudomonas aeruginosa | RsaLWCS does not show a repressive effect on the promoter of the QS signal synthase gene lasI in Pseudomonas aeruginosa. RsaLWCS formed stable complexes with the promoter of lasI, the gene orthologous to ppuI. RsaLWCS regulates siderophore-mediated growth limitation of plant pathogens and biofilm formation, two processes relevant for plant growth-promoting activity. RsaL binds close to LasR on the same bidirectional promoter, repressing the transcription of both the lasI and rsaL genes. Molecular mechanism, overview | down |
General Information | Comment | Organism |
---|---|---|
physiological function | quorum sensing systems rely on a signal receptor and a synthase producing N-acyl-homoserine lactone(s) as the signal molecule(s). The rsaL gene, located between the signal receptor and synthase genes, encodes a repressor limiting signal synthase expression and hence signal molecule production, molecular mechanism of action of the RsaL protein in the plant growth-promoting rhizobacterium Pseudomonas putida WCS358, overview | Pseudomonas putida |
physiological function | quorum sensing systems rely on a signal receptor and a synthase producing N-acyl-homoserine lactone(s) as the signal molecule(s). The rsaL gene, located between the signal receptor and synthase genes, encodes a repressor limiting signal synthase expression and hence signal molecule production, molecular mechannism, overview | Pseudomonas aeruginosa |