Table 1 Activities of silvmeb and pseudomeb against microorganisms and human cells (MIC: μg/mL)

From: Discovery of a family of menaquinone-targeting cyclic lipodepsipeptides for multidrug-resistant Gram-positive pathogens

Type

Organism

Strain

Silvmeb

Pseudomeb

Vancomycin

Methicillin

Gram-positive bacteria

Bacillus subtilis

ATCC 6633

8

8

1

<0.125

ATCC 23857

4

8

0.25

<0.125

JWH

4

4

0.25

<0.125

Staphylococcus aureus

ATCC 25923

8

4

1

8

ATCC 29213

4

8

0.5

0.5

ATCC 6538

4

4

1

1

N315

8

4

1

1

Newman

4

8

0.5

1

RN4220

4

4

0.5

0.5

USA300

4

4

1

16

Micrococcus luteus

ATCC 4698

4

8

0.25

<0.125

Mycobacterium smegmatis

mc2 155

32

32

>64

>64

Enterococcus faecalis

ATCC 51299

>64

>64

2

16

Enterococcus faecium

ATCC 35682

>64

>64

>64

>64

Streptococcus pyogenes

ATCC 19615

>64

>64

0.5

<0.125

Gram-negative bacteria

Escherichia coli

DH5α

>64

>64

>64

>64

Acinetobacter baumannii

ATCC 19606

>64

>64

>64

>64

Klebsiella pneumoniae

ATCC 13883

>64

>64

>64

>64

Pseudomonas aeruginosa

ATCC 9027

>64

>64

>64

>64

Fungi

Candida albicans

ATCC 10231

>64

>64

>64

>64

Saccharomyces cerevisiae

BY4741

>64

>64

>64

>64

Human cell

 

HeLa

>64

>64

>64

>64

H295R

>64

>64

>64

>64