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Table 2 Preliminary safety evaluation of enterococci

From: Antimicrobial activity, antibiotic susceptibility and virulence factors of Lactic Acid Bacteria of aquatic origin intended for use as probiotics in aquaculture

Enterococcusspp.

Strain

Virulence Factors

Antibiotic resistance phenotypec

Genotypea

Phenotypeb

E. faecalis

SMF10

efaAfs+, gelE+, agg+

GelE+, Hly-

CIP, NOR

 

SMF28

efaAfs+, gelE+

GelE+, Hly-

CIP, NOR

 

SMF37

efaAfs+, gelE+, agg+

GelE+, Hly-

-

 

SMF69

efaAfs+, gelE+, agg+

GelE+, Hly-

CIP, RIF

 

SMM67

n.d.

GelE-, Hly-

CIP, NIT, NOR, TEC, VAN

 

SMM70

efaAfs+, gelE+

GelE+, Hly-

ERY, NIT

 

BCS27

efaAfs+, gelE+, agg+

GelE+, Hly-

CIP, NIT, NOR, RIF, TEC, VAN

 

BCS32

efaAfs+, gelE+, agg+

GelE+, Hly-

NOR

 

BCS53

efaAfs+, gelE+, agg+

GelE+, Hly-

-

 

BCS67

efaAfs +

GelE-, Hly-

CIP

 

BCS72

efaAfs+, agg+

GelE-, Hly-

-

 

BCS92

efaAfs +

GelE-, Hly-

-

 

P77

efaAfs+, gelE+

GelE+, Hly-

NIT, NOR, RIF, TEC, VAN

 

GM22

efaAfs+, gelE+, agg+

GelE+, Hly-

CIP, NOR

 

GM26

efaAfs+, gelE+, agg+

GelE+, Hly-

-

 

GM33

efaAfs+, gelE+, agg+

GelE+, Hly-

-

 

CGM156

efaAfs +

GelE-, Hly-

CIP, NIT, NOR, RIF, TEC, VAN

 

CGM1514

efaAfs+, agg+

GelE-, Hly-

-

 

CGM16

efaAfs+, gelE+, agg+

GelE+, Hly-

CIP, NOR, RIF

 

CGV16

efaAfs+, gelE+, agg+

GelE+, Hly-

NOR

 

SDP10

efaAfs+, gelE+, agg+, cylL L L S +, cylL L L S M+

GelE+, Hly+

-

E. faecium

BNM58

n.d.

GelE-, Hly-

-

 

SMA1

n.d.

GelE-, Hly-

CIP

 

SMA7

n.d.

GelE-, Hly-

-

 

SMA8

n.d.

GelE-, Hly-

-

 

SMA101

n.d.

GelE-, Hly-

ERY, NIT

 

SMA102

efaAfs +

GelE-, Hly-

ERY, NIT

 

SMA310

n.d.

GelE-, Hly-

ERY, NIT

 

SMA320

efaAfs +

GelE-, Hly-

ERY, NIT

 

SMA361

efaAfs +

GelE-, Hly-

ERY

 

SMA362

n.d.

GelE-, Hly-

ERY, NIT

 

SMA384

gelE +

GelE-, Hly-

NIT

 

SMA389

gelE +

GelE-, Hly-

CIP, NIT, NOR

 

SMF8

n.d.

GelE-, Hly-

-

 

SMF39

efaAfs+, gelE+

GelE-, Hly-

-

 

BCS59

n.d.

GelE-, Hly-

NIT

 

BCS971

n.d.

GelE-, Hly-

ERY

 

BCS972

n.d.

GelE-, Hly-

ERY

 

B13

gelE +

GelE+, Hly-

CIP

 

B27

efaAfs+, gelE+

GelE+, Hly-

CIP

 

MV5

efaAfs+, gelE+, agg+

GelE-, Hly-

CIP, NIT

 

P68

efaAfs+, gelE+, cylL L L S +

GelE+, Hly-

CIP, NIT, NOR, RIF, TEC, VAN

 

P623

efaAfs +

GelE-, Hly-

ERY

 

LPP29

n.d.

GelE-, Hly-

-

 

CV1

n.d.

GelE-, Hly-

-

 

CV2

n.d.

GelE-, Hly-

-

 

GM23

efaAfs +

GelE-, Hly-

CIP, NOR, RIF, TET

 

GM29

efaAfs+, gelE+, cylL L L S +

GelE-, Hly-

CIP, NOR, RIF

 

GM351

efaAfs+, gelE+, agg+

GelE+, Hly-

CIP, NOR

 

GM352

efaAfs +

GelE-, Hly-

CIP, NIT, NOR, RIF, TET

 

CGM171

n.d.

GelE-, Hly-

ERY

 

CGM172

efaAfs +

GelE-, Hly-

ERY

 

TPM76

n.d.

GelE-, Hly-

-

 

TPP2

n.d.

GelE-, Hly-

-

 

NV50

efaAfs+, agg+

GelE-, Hly-

-

 

NV51

efaAfs +

GelE-, Hly-

ERY

 

NV52

n.d.

GelE-, Hly-

ERY

 

NV54

efaAfs +

GelE-, Hly-

ERY

 

NV56

efaAfs +

GelE-, Hly-

-

  1. an.d., not detected.
  2. bGelE and Hly refer to gelatinase and cytolysin/hemolysin activity, respectively.
  3. cAbbreviation of antibiotics: CIP, ciprofloxacin; ERY, erythromycin; NIT, nitrofurantoin; NOR, norfloxacin; RIF, rifampicin; TEC, teicoplanin; TET, tetracycline; VAN, vancomycin.