Table 1 Physiological and biochemical characteristics of strains TUM20983, TUM20984, TUM20985T and their closest relatives.

From: Characterization of Mycobacterium antarcticum sp. nov., a psychrotolerant member of the genus Mycobacterium isolated from Antarctic soil

Characteristic

1

2

3

4

5

Color of

colony

Orange

Orange

Orange

Yellow

Yellow

Colony

surface

S

S

S

S

S

Growth at

4 °C

++

++

++

+

Growth at

15 °C

++

++

++

++

++

Growth at

25 °C

++

++

++

++

++

Growth at

30 °C

++

++

NaCl range

for growth

0–2%

0–2%

0–2%

0–1%

0–1%

pH range for

growth

6–8

6–8

6–8

5–10

5–9

Growth to

maturity at

25 °C (days)

on TSA

7–10

7–10

7–10

5

5

Doubling time

at 25 °C (hours)

38.8

34.7

42.5

NA

13.2

Urease

+

+

Catalase

+

+

+

+

+

Oxidase

+

+

Hydrolysis of

 Gelatin

 Tween 80

+

+

  1. 1, TUM20983; 2, TUM20984; 3, TUM20985T; 4, M. hodleri JCM 12141T; 5, M. madagascariense JCM 13574T. All data were obtained in this study. S, smooth; +++, positive reaction (very strong); ++, positive reaction; +, positive reaction (weak); -, negative reaction, NA, not available.