Table 2 Differentially expressed proteins between the luxS mutant and the wild-type strain in co-cultivation with L. helveticus KLDS1.9207.

1

P77887

pyrDI

Dihydroorotate dehydrogenase catalytic subunit

2.760886385

0.031

2

A0A0G9FAP4

Transcriptional regulator family

2.945902345

0.003

3

A0A0G9FCW2

GNAT family acetyltransferase

2.070695848

0.030

4

A0A0L7XZQ3

Gamma-D-glutamyl-meso-diaminopimelate peptidase

2.747063118

0.036

5

A0A0R1UXL5

E4.1.1.15

Glutamate decarboxylase

2.146220812

0.039

6

A0A0R1VEW0

Transcriptional regulator

0.45197274

0.028

7

A0A0R2GIZ8

Uncharacterized protein

2.038790183

0.003

8

D7VFU5

htpX

Heat shock

0.427200477

0.001

9

M4KFL2

Acyltransferase

2.708140733

0.004

10

U2W2U5

Multispecies: hypothetical protein

2.282826367

0.016

11

U2W7H2

D-lactate dehydrogenase

2.019712705

0.045

12

U2WKG8

prsA

Peptidylprolyl isomerase

2.070595076

0.042

13

U2WLF8

Nucleoside 2-deoxyribosyltransferase

2.311437674

0.013

14

C6VLJ0

accD

Acetyl- carboxyl transferase

15

Q88VX7

clpB

ATP-dependent chaperone

16

Q88WT1

agrC, blpH, fsrC

UPF0348 lp_1534

17

A0A0G9F856

Histidine kinase

18

A0A0G9F9S7

HAD family hydrolase

19

A0A0G9FBJ9

Oxidoreductase aldo keto reductase family

20

A0A0G9FCA3

Dimeric dUTPase

21

A0A0G9FE10

recX

Recombinase

22

A0A0G9FGT8

fabG

3-oxoacyl-(acyl-carrier) reductase

23

A0A0G9GJI0

nrdG

Ribonucleoside-triphosphate reductase activating

24

A0A0G9GKX1

GNAT family acetyltransferase

25

A0A0G9GR36

Transcriptional regulator

26

A0A0G9GTJ1

Transcriptional regulator

27

A0A0G9GU14

ABC.CD.P

ABC transporter permease

28

A0A0G9GU74

murF

UDP-N-acetylmuramoyl-tripeptide–D-alanyl-D-alanine ligase

29

A0A0G9GUG9

GSR, gor

Glutathione reductase

30

A0A0L7XZK6

PTS-Gut-EIIA, srlB

PTS system IIA component

31

A0A0M0CGA8

Diadenosine tetraphosphate hydrolase

32

A0A0M0CHX3

rsmC

Ribosomal RNA small subunit methyltransferase C

33

A0A0P7H5T1

relA

GTP pyrophosphokinase

34

A0A0R1UDH2

DUF2179 domain-containing

35

A0A0R1UU28

NARS, asnS

Asparaginyl-tRNA synthetase

36

A0A0R1V3K0

Trehalose operon transcriptional repressor

37

A0A0R1V4C9

Branched-chain amino acid ABC transporter

38

A0A0R1V4X3

patA

D-lactate dehydrogenase

39

A0A0R2G4A4

Transcription regulator

40

A0A151G5A1

Hypothetical protein

41

A0A151G5L5

Lantibiotic epidermin biosynthesis

42

A0A162E1B4

Nucleoside 2-deoxyribosyltransferase

43

A0A165P9S6

ydjE

Niacin transporter

44

D7V8R3

K06878

Phenylalanyl-tRNA synthetase domain

45

T5JD50

gshA

Bifunctional glutamate–cysteine ligase

46

T5JD81

Glutamine amidotransferase

47

T5JHA9

K07009

DegV family EDD domain-containing protein

48

T5JPL2

ftsZ

Cell division protein FtsZ

49

U2WPC9

Lactate oxidase