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Table 3 Distribution of virulence factors prediction for S. alactolyticus strain FGM

From: The safety and potential probiotic properties analysis of Streptococcus alactolyticus strain FGM isolated from the chicken cecum

No.

VF_name

Related_genes

Functions

1

Bile-salt hydrolase

bsh choloylglycine hydrolase

Bile salt tolerance

24

Capsule

oppF, cpsM, cpsB, STER_1071, STER_1069, STER_1068, STER_1068, uppS, rgpB, eps3, rgpA, epsB, SGO_1024, rgpG, rgpF, cps2K, cpsY, rgpC, SMU.322c, STER_1444, STER_1223, eps2, rmlA, STER_1222

Immune evasion

1

Trigger factor

tig/ropA trigger factor

Immune evasion

1

MOMP

CT396 molecular chaperone DnaK

Anti-phagocytosis

3

Polysaccharide capsule

manA, epsE, gALE

Anti-phagocytosis

1

EF-Tu

EF-Tu

Adherence

2

Fibronectin-binding protein

scpB, pavA

Adherence

1

GbpC

gbpB putative peptidoglycan hydrolase

Adherence

1

GroEL

groEL chaperonin GroEL

Adherence

2

Sortase A

srtA Sortase surface protein transp-eptidase

Adherence

1

lipoprotein rotamase A

slrA peptidyl-prolyl cis-trans isom- erase, cyclophilin-type

Adherence

1

plasmin receptor/GAPDH

plr/gapA

Adherence

1

enolase

eno

Adherence

1

Serine protease

htrA/degP Endopeptidase degP

Antioxidant

1

ClpE

clpE

Cell division

1

ClpP

clpP

Stress tolerance, virulence, and capsule forming