BB-kb+ner@ldeleger:BB-kb+ner-17237163 JSONTXT

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Id Subject Object Predicate Lexical cue NCBI_Taxonomy OntoBiotope
T3 0-14 Phenotype denotes Quorum-sensing OBT:000143
T1 0-86 Title denotes Quorum-sensing regulation of adhesion in Serratia marcescens MG1 is surface dependent.
T4 29-37 Phenotype denotes adhesion OBT:000029
T5 41-64 Microorganism denotes Serratia marcescens MG1 615
E1 41-64 Exhibits denotes Serratia marcescens MG1
E2 41-64 Exhibits denotes Serratia marcescens MG1
T6 87-106 Microorganism denotes Serratia marcescens 615
E3 87-106 Lives_In denotes Serratia marcescens
E4 87-106 Lives_In denotes Serratia marcescens
E5 87-106 Lives_In denotes Serratia marcescens
E6 87-106 Lives_In denotes Serratia marcescens
E7 87-106 Lives_In denotes Serratia marcescens
E8 87-106 Lives_In denotes Serratia marcescens
E9 87-106 Lives_In denotes Serratia marcescens
E10 87-106 Lives_In denotes Serratia marcescens
E11 87-106 Lives_In denotes Serratia marcescens
E12 87-106 Exhibits denotes Serratia marcescens
E13 87-106 Exhibits denotes Serratia marcescens
E14 87-106 Exhibits denotes Serratia marcescens
E15 87-106 Exhibits denotes Serratia marcescens
E16 87-106 Exhibits denotes Serratia marcescens
E17 87-106 Exhibits denotes Serratia marcescens
E18 87-106 Exhibits denotes Serratia marcescens
E19 87-106 Exhibits denotes Serratia marcescens
E20 87-106 Exhibits denotes Serratia marcescens
T2 87-1888 Paragraph denotes Serratia marcescens is an opportunistic pathogen and a major cause of ocular infections. In previous studies of S. marcescens MG1, we showed that biofilm maturation and sloughing were regulated by N-acyl homoserine lactone (AHL)-based quorum sensing (QS). Because of the importance of adhesion in initiating biofilm formation and infection, the primary goal of this study was to determine whether QS is important in adhesion to both abiotic and biotic surfaces, as assessed by determining the degree of attachment to hydrophilic tissue culture plates and human corneal epithelial (HCE) cells. Our results demonstrate that while adhesion to the abiotic surface was AHL regulated, adhesion to the HCE cell biotic surface was not. Type I fimbriae were identified as the critical adhesin for non-QS-mediated attachment to the biotic HCE cell surface but played no role in adhesion to the abiotic surface. While we were not able to identify a single QS-regulated adhesin essential for attachment to the abiotic surface, four AHL-regulated genes involved in adhesion to the abiotic surface were identified. Interestingly, two of these genes, bsmA and bsmB, were also shown to be involved in adhesion to the biotic surface in a non-QS-controlled fashion. Therefore, the expression of these two genes appears to be cocontrolled by regulators other than the QS system for mediation of attachment to HCE cells. We also found that QS in S. marcescens regulates other potential cell surface adhesins, including exopolysaccharide and the outer membrane protein OmpX. We concluded that S. marcescens MG1 utilizes different regulatory systems and adhesins in attachment to biotic and abiotic surfaces and that QS is a main regulatory pathway in adhesion to an abiotic surface but not in adhesion to a biotic surface.
T7 113-135 Phenotype denotes opportunistic pathogen OBT:000776
T8 157-163 Habitat denotes ocular OBT:000627
T9 199-216 Microorganism denotes S. marcescens MG1 615
E21 199-216 Lives_In denotes S. marcescens MG1
E22 199-216 Exhibits denotes S. marcescens MG1
E23 199-216 Exhibits denotes S. marcescens MG1
T10 233-240 Habitat denotes biofilm OBT:000054
T11 233-251 Phenotype denotes biofilm maturation OBT:001444
T12 284-336 Phenotype denotes N-acyl homoserine lactone (AHL)-based quorum sensing OBT:000143
T13 338-340 Phenotype denotes QS OBT:000143
T14 372-380 Phenotype denotes adhesion OBT:000029
T15 395-402 Habitat denotes biofilm OBT:000054
T16 395-412 Phenotype denotes biofilm formation OBT:001444
T17 484-486 Phenotype denotes QS OBT:000143
T18 503-511 Phenotype denotes adhesion OBT:000029
T19-0 520-527 _FRAGMENT denotes abiotic OBT:000007
T20 532-547 Habitat denotes biotic surfaces OBT:000007
T19-1 539-547 Habitat denotes surfaces
T21 590-600 Phenotype denotes attachment OBT:000029
T23 604-630 Habitat denotes hydrophilic tissue culture OBT:000062
T22 604-637 Habitat denotes hydrophilic tissue culture plates OBT:000103
T25 642-647 Habitat denotes human OBT:002488
T24 642-678 Habitat denotes human corneal epithelial (HCE) cells OBT:000061
T26 648-655 Habitat denotes corneal OBT:000573
T27 656-666 Habitat denotes epithelial OBT:001091
T28 715-723 Phenotype denotes adhesion OBT:000029
T29 731-746 Habitat denotes abiotic surface OBT:000007
T30 766-774 Phenotype denotes adhesion OBT:000029
T31 782-790 Habitat denotes HCE cell OBT:000061
T32 782-805 Habitat denotes HCE cell biotic surface OBT:000062
T33 879-881 Phenotype denotes QS OBT:000143
T34 891-901 Phenotype denotes attachment OBT:000029
T35 909-932 Habitat denotes biotic HCE cell surface OBT:000062
T36 916-924 Habitat denotes HCE cell OBT:000061
T37 955-963 Phenotype denotes adhesion OBT:000029
T38 971-986 Habitat denotes abiotic surface OBT:000007
T39 1032-1034 Phenotype denotes QS OBT:000143
T40 1067-1077 Phenotype denotes attachment OBT:000029
T41 1085-1100 Habitat denotes abiotic surface OBT:000007
T42 1139-1147 Phenotype denotes adhesion OBT:000029
T43 1155-1170 Habitat denotes abiotic surface OBT:000007
T44 1272-1280 Phenotype denotes adhesion OBT:000029
T45 1288-1302 Habitat denotes biotic surface OBT:000062
T46 1312-1314 Phenotype denotes QS OBT:000143
T47 1436-1438 Phenotype denotes QS OBT:000143
T48 1463-1473 Phenotype denotes attachment OBT:000029
T49 1477-1486 Habitat denotes HCE cells OBT:000061
T50 1507-1509 Phenotype denotes QS OBT:000143
T51 1513-1526 Microorganism denotes S. marcescens 615
E24 1513-1526 Exhibits denotes S. marcescens
T52 1659-1676 Microorganism denotes S. marcescens MG1 615
E25 1659-1676 Lives_In denotes S. marcescens MG1
E26 1659-1676 Lives_In denotes S. marcescens MG1
E27 1659-1676 Lives_In denotes S. marcescens MG1
E28 1659-1676 Lives_In denotes S. marcescens MG1
E29 1659-1676 Exhibits denotes S. marcescens MG1
E30 1659-1676 Exhibits denotes S. marcescens MG1
E31 1659-1676 Exhibits denotes S. marcescens MG1
E32 1659-1676 Exhibits denotes S. marcescens MG1
T53 1731-1741 Phenotype denotes attachment OBT:000029
T54-0 1745-1751 _FRAGMENT denotes biotic OBT:000062
T55 1756-1772 Habitat denotes abiotic surfaces OBT:000007
T54-1 1764-1772 Habitat denotes surfaces
T56 1782-1784 Phenotype denotes QS OBT:000143
T57 1817-1825 Phenotype denotes adhesion OBT:000029
T58 1832-1847 Habitat denotes abiotic surface OBT:000007
T59 1859-1867 Phenotype denotes adhesion OBT:000029
T60 1873-1887 Habitat denotes biotic surface OBT:000062
C-T19-0 T19-1 T19-0 _lexicallyChainedTo surfaces,abiotic
C-T54-0 T54-1 T54-0 _lexicallyChainedTo surfaces,biotic
R1 E1 T5 Microorganism Serratia marcescens MG1,Serratia marcescens MG1
R10 E5 T8 Location Serratia marcescens,ocular
R11 E6 T6 Microorganism Serratia marcescens,Serratia marcescens
R12 E6 T32 Location Serratia marcescens,HCE cell biotic surface
R13 E7 T6 Microorganism Serratia marcescens,Serratia marcescens
R14 E7 T45 Location Serratia marcescens,biotic surface
R15 E8 T6 Microorganism Serratia marcescens,Serratia marcescens
R16 E8 T43 Location Serratia marcescens,abiotic surface
R17 E9 T6 Microorganism Serratia marcescens,Serratia marcescens
R18 E9 T38 Location Serratia marcescens,abiotic surface
R19 E10 T6 Microorganism Serratia marcescens,Serratia marcescens
R2 E1 T3 Property Serratia marcescens MG1,Quorum-sensing
R20 E10 T41 Location Serratia marcescens,abiotic surface
R21 E11 T6 Microorganism Serratia marcescens,Serratia marcescens
R22 E11 T35 Location Serratia marcescens,biotic HCE cell surface
R23 E12 T6 Microorganism Serratia marcescens,Serratia marcescens
R24 E12 T37 Property Serratia marcescens,adhesion
R25 E13 T6 Microorganism Serratia marcescens,Serratia marcescens
R26 E13 T7 Property Serratia marcescens,opportunistic pathogen
R27 E14 T6 Microorganism Serratia marcescens,Serratia marcescens
R28 E14 T48 Property Serratia marcescens,attachment
R29 E15 T6 Microorganism Serratia marcescens,Serratia marcescens
R3 E2 T5 Microorganism Serratia marcescens MG1,Serratia marcescens MG1
R30 E15 T40 Property Serratia marcescens,attachment
R31 E16 T6 Microorganism Serratia marcescens,Serratia marcescens
R32 E16 T34 Property Serratia marcescens,attachment
R33 E17 T6 Microorganism Serratia marcescens,Serratia marcescens
R34 E17 T30 Property Serratia marcescens,adhesion
R35 E18 T6 Microorganism Serratia marcescens,Serratia marcescens
R36 E18 T44 Property Serratia marcescens,adhesion
R37 E19 T6 Microorganism Serratia marcescens,Serratia marcescens
R38 E19 T28 Property Serratia marcescens,adhesion
R39 E20 T6 Microorganism Serratia marcescens,Serratia marcescens
R4 E2 T4 Property Serratia marcescens MG1,adhesion
R40 E20 T42 Property Serratia marcescens,adhesion
R41 E21 T9 Microorganism S. marcescens MG1,S. marcescens MG1
R42 E21 T10 Location S. marcescens MG1,biofilm
R43 E22 T9 Microorganism S. marcescens MG1,S. marcescens MG1
R44 E22 T11 Property S. marcescens MG1,biofilm maturation
R45 E23 T9 Microorganism S. marcescens MG1,S. marcescens MG1
R46 E23 T12 Property S. marcescens MG1,N-acyl homoserine lactone (AHL)-based quorum sensing
R47 E24 T51 Microorganism S. marcescens,S. marcescens
R48 E24 T50 Property S. marcescens,QS
R49 E25 T52 Microorganism S. marcescens MG1,S. marcescens MG1
R5 E3 T6 Microorganism Serratia marcescens,Serratia marcescens
R50 E25 T58 Location S. marcescens MG1,abiotic surface
R51 E26 T52 Microorganism S. marcescens MG1,S. marcescens MG1
R52 E26 T55 Location S. marcescens MG1,abiotic surfaces
R53 E27 T52 Microorganism S. marcescens MG1,S. marcescens MG1
R54 E27 T60 Location S. marcescens MG1,biotic surface
R55 E28 T52 Microorganism S. marcescens MG1,S. marcescens MG1
R56 E28 T54-0 Location S. marcescens MG1,biotic
R57 E29 T52 Microorganism S. marcescens MG1,S. marcescens MG1
R58 E29 T56 Property S. marcescens MG1,QS
R59 E30 T52 Microorganism S. marcescens MG1,S. marcescens MG1
R6 E3 T29 Location Serratia marcescens,abiotic surface
R60 E30 T53 Property S. marcescens MG1,attachment
R61 E31 T52 Microorganism S. marcescens MG1,S. marcescens MG1
R62 E31 T59 Property S. marcescens MG1,adhesion
R63 E32 T52 Microorganism S. marcescens MG1,S. marcescens MG1
R64 E32 T57 Property S. marcescens MG1,adhesion
R7 E4 T6 Microorganism Serratia marcescens,Serratia marcescens
R8 E4 T49 Location Serratia marcescens,HCE cells
R9 E5 T6 Microorganism Serratia marcescens,Serratia marcescens