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References Suggestions


Standard Name


Gene Synonym(s)

ego, ECK1506, b1513, JW1506, ydeX[1][2], lsrA, ydeX

Product Desc.


Component of LsrA/LsrC/LsrD/LsrB ABC transporter[2][3]

Autoinducer-2 (AI-2) uptake; essential for aerobic growth; upregulated in biofilms[4]

Product Synonyms(s)

fused AI2 transporter subunits of ABC superfamily: ATP-binding components[1], B1513[2][1], YdeX[2][1], Ego[2][1] , ECK1506, ego, JW1506, lsrA, ydeX, b1513

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): lsrACDBFG[2]

Quick Links

porteco.png EcoCyc.gif regulondb.jpg

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LsrA is paralogous to ribose transport ATPase RbsA. LsrA is in an operon regulated by LsrR and LuxS, through AI-2. Biofilm microarray result was validated with RT-PCR. CRP regulon.[4]


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  1. 1.0 1.1 1.2 1.3 1.4 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 4.0 4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.