Site treA
- Name: treA
- Type: Gene
- Synonyms
b1197 MG1655 locus tag tre - Mnemonic: Trehalose
- Left End Point: 26.83
- Right End Point: 26.87
- Products:
trehalase, periplasmic - Direction: <
- Priority: 1
- 3 Alleles of This Gene
treA1 treA777(del)::kan treA791-YFP(::cat) - External Database Links:
Host Site Page Links NCBI/GenBank X15868 EcoGene.org EG11017 EcoliWiki treA - Comment:
- induced at high osmolarity. Hydrolyzes trehalose to glucose in periplasm, which is taken up by PTS. At low osmolarity, PTS trehalose-specific enzyme II takes up trehalose, and TreF. See treF.
- References:
- Meek, D.W., R.S. Hayward 1984. Nucleotide sequence of the rpoA-rplQ DNA of Escherichia coli: a second regulatory binding site for protein S4?. Nucleic Acids Res. 12:5813-5821
- Boos, W., U. Ehmann, E. Bremer, A. Middendorf, P.W. Postma 1987. Trehalase of Escherichia coli. Mapping and cloning of its structural gene and identification of the enzyme as a periplasmic protein induced under high osmolarity growth conditions. J.Bio
- Repoila, F., C. Gutierrez 1991. Osmotic induction of the periplasmic trehalase in Escherichia coli K12: characterization of the treA gene promoter. Mol.Microbiol. 5:747-7455