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Table 2 Differential abundance proteins associated with the stress response or virulence, biofilm formation of E. faecalis

From: ClpP participates in stress tolerance, biofilm formation, antimicrobial tolerance, and virulence of Enterococcus faecalis

Protein ID (locus_tag, gene name)

Description or predicted function

Protein abundance ratio of â–³clpP/WTa

RNA ratio of â–³clpP/WT (RT-qPCR)b

4 h

12 h

4 h

12 h

Stress response or virulence

 AEA94216.1 (OG1RF_11529, fsrA)

FsrA response regulator

–

1.235

0.965

1.162

 AEA94213.1 (OG1RF_11526, gelE)

gelatinase GelE

–

2.577

1.267

2.587

 AEA95218.1 (OG1RF_12531, ctsR)

transcriptional regulator CtsR

2.165

1.894

2.024

2.365

 AEA95217.1 (OG1RF_12530, clpC)

ATPase/chaperone ClpC

1.906

1.802

2.345

1.687

 AEA94933.1(OG1RF_12246)

Acetyl esterase/lipase

–

1.873

1.368

1.928

 AEA94734.1 (OG1RF_12047, spxA)

regulatory protein Spx

–

1.524

1.258

1.834

 AEA93763.1(OG1RF_11076, hrcA)

heat-inducible transcription repressor HrcA

–

1.692

1.267

2.364

 AEA94693.1 (OG1RF_12006, groEL)

chaperonin GroEL

–

1.490

0.831

1.859

 AEA92854.1 (OG1RF_10167, rplR)

50S ribosomal protein L18

0.828

–

0.768

1.227

 AEA92839.1 (OG1RF_10152, rplD)

ribosomal protein L4/L1 family protein

0.825

–

0.657

0.948

 AEA95174.1 (OG1RF_12487, rplM)

50S ribosomal protein L13

0.816

–

0.584

1.168

 AEA93330.1 (OG1RF_10643, rplT)

50S ribosomal protein L20

0.773

–

0.408

0.862

 AEA92696.1 (OG1RF_10009, rpsR)

30S ribosomal protein S18

0.671

–

0.352

1.358

 AEA95155.1 (OG1RF_12468, rpsN2)

30S ribosomal protein S14

–

0.671

0.862

0.518

 AEA94767.1 (OG1RF_12080, rplL2)

ribosomal protein L7/L12

0.649

–

0.338

1.168

Biofilm formation

 AEA94733.1 (OG1RF_12046, mecA)

adapter protein MecA

1.560

–

2.984

1.537

 AEA94110.1 (OG1RF_11423, pyrE)

orotate phosphoribosyltransferase

–

0.763

0.867

0.658

 AEA94111.1 (OG1RF_11424, pyrF)

orotidine-5′-phosphate decarboxylase

0.670

–

0.318

0.834

 AEA94116.1 (OG1RF_11429, pyrC)

dihydroorotase

0.650

–

0.495

1.162

  1. aThe data are given as the means of the results from two independent experiment. bThe data are given as the means of the results from three independent experiment. WT wild-type/parent strain; −, 0.83 ≤ △clpP/WT ratio ≤ 1.2
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BMC Microbiology

ISSN: 1471-2180

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