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Table 2 G. mellonella killing by A. baumannii strains

From: Virulence-related traits of epidemic Acinetobacter baumannii strains belonging to the international clonal lineages I-III and to the emerging genotypes ST25 and ST78

Strain

ST type

LD50 a

Ratio 24/72 h

  

24 h

48 h

72 h

 

AYE

ST1

2.8 (±0.3) × 106

5.4 (±0.3) × 105

2.3 (±0.1) × 105

12.2

700

ST1

7.2 (±4.2) × 105

2.7 (±0.5) × 105

2.3 (±0.4) × 105

3.1

2979

ST20

1.0 (±0.2) × 106

6.6 (±0.2) × 105

4.2 (±0.6) × 105

2.4

3130

ST20

7.3 (±0.3) × 105

5.8 (±0.6) × 105

5.8 (±0.6) × 105

1.3

2105

ST2

9.2 (±0.6) × 105

8.2 (±0.5) × 105

7.4 (±0.7) × 105

1.2

3990

ST2

6.6 (±0.7) × 105

1.1 (±0.2) × 105

8.1 (±0.5) × 104

8.1

ACICU

ST2

1.3 (±0.4) × 106

7.4 (±0.3) × 105

6.4 (±0.9) × 105

2.0

2735

ST2

2.2 (±0.3) × 105

2.0 (±0.1) × 105

1.3 (±0.7) × 105

1.7

3889

ST2

4.2 (±0.4) × 105

2.4 (±0.1) × 105

1.8 (±0.2) × 105

2.3

4026

ST2

4.5 (±0.6) × 105

2.7 (±0.5) × 105

2.7 (±0.5) × 105

1.7

4009

ST2

3.7 (±0.2) × 105

3.2 (±0.7) × 105

3.0 (±0.7) × 105

1.2

4025

ST3

9.4 (±0.2) × 105

2.7 (±0.9) × 105

2.2 (±0.8) × 105

4.3

LUH 5875

ST3

3.8 (±1.2) × 105

2.8 (±0.2) × 105

2.3 (±0.1) × 105

1.7

3868

ST15

2.3 (±0.5) × 106

2.3 (±0.6) × 106

1.6 (±0.1) × 106

1.4

3871

ST84

5.8 (±0.3) × 105

3.9 (±0.5) × 105

3.5 (±0.3) × 105

1.7

3890

ST25

6.6 (±0.8) × 105

4.6 (±0.3) × 105

2.4 (±0.4) × 105

2.8

3865

ST25

1.6 (±0.4) × 106

1.3 (±0.1) × 106

3.0 (±0.3) × 105

5.3

4190

ST25

3.1 (±0.5) × 106

2.1 (±0.3) × 106

5.0 (±0.9) × 105

6.0

ATCC 19606T

ST52

9.1 (±3.4) × 106

6.7 (±0.7) × 106

4.7 (±0.2) × 106

1.9

ATCC 17978

ST77

6.7 (±0.1) × 105

4.5 (±0.7) × 105

3.1 (±0.6) × 105

2.2

3909

ST78

2.0 (±0.4) × 106

6.4 (±0.7) × 105

6.4 (±0.7) × 105

3.1

3957

ST78

3.3 (±1.2) × 105

2.8 (±0.4) × 105

2.5 (±0.6) × 105

1.3

3911

ST78

7.8 (±1.9) × 105

5.6 (±0.6) × 105

1.4 (±0.6) × 105

5.6

  1. aLD50 values are expressed as CFU/larva.