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Table 1 Microbial growth for samples from hot water systems and commercial compost. Incubation temperature was 62.5 °C, culture media LB broth agar

From: Discovery of thermophilic Bacillales using reduced-representation genotyping for identification

Source

Sample name

Temperature (T°C)

Microbial growth

No. Bacterial isolates

Domestic hot water systems

 

DPS1

60 °C

(+)(A), (+)(B)

2

 

DPS2

61.1 °C

(+)(A), (+)(B)

2

 

DPS3

62.6 °C

(+)

1

 

DPS4

62.6 °C

(+)(A), (+)(B)

2

 

DPS5

79.6 °C

(+)(A), (+)(B), (+)(C)

3

 

DPS6

57 °C

(+)(A), (+)(B), (+)(C)

3

 

DPS7

57.6 °C

(−)

 
 

HTR

84 °C

(++)

1

 

DHW

60 °C

(+)(A), (+)(B)

2

Commercial compost

 

DMW

na

(+)

1

 

MPCC

na

(+)

1

 

NFOSA

na

(+)(A), (+)(B), (+)(C)

3

 

MMBA

na

(+)(A), (+)(B)

2

 

MFBB

na

(+)(A), (+)(B), (+)(C), (+)(D)

4

 

MPCB

na

(+)

1

 

CBSP

na

(+)(A), (+)(B), (+)(C)

3

Total bacterial isolates

   

31

  1. na = not applicable; (−) = no growth was observed; (+) = growth was observed; (++) = strong growth was observed; (A), (B), (C) name assigned if more than one microorganism was observed