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Table 1 DPEase characteristics of different sources

From: Efficient D-allulose synthesis under acidic conditions by auto-inducing expression of the tandem D-allulose 3-epimerase genes in Bacillus subtilis

sources

Optimal pH

Optimal temperature(°C)

Half-life

(At 60 °C)

Metal ion

Highest specificity

D-allulose/

D-fructose equilibrium ratio

References

Clostridium cellulolyticum H10

8.0

55

6.8 h

Co2+

D-allulose

32:68 (55 °C)

[25]

Desmospora sp. 8437

7.5

60

2.0 h

Co2 +

D-allulose

30:70 (60 °C)

[34]

Dorea sp. CAG317

6.0

70

1.0 h

Co2 +

D-allulose

30:70 (70 ℃)

[26]

Clostridium scindens ATCC 35,704

7.5

60

1.8 h

Mn2+

D-allulose

28:72 (50 °C)

[35]

Clostridium bolteae ATCC BAA-613

7.0

55

1.0 h

Co2 +

D-allulose

31:69 (55 °C)

[32]

Ruminococcus sp.

7.5–8.0

60

1.6 h

Mn2+

D-allulose

28:72 (60 °C)

[36]

Agrobacterium tumefaciens

8.0

50

3.99 min

Mn2+

D-allulose

33:67 (50 °C)

[37]

Clostridium sp.

8.0

65

15 min

Co2 +

D-allulose

28:72 (65 °C)

[38]

Paenibacillus senegalensis

8.0

55

140 min

Co2+ /Mn2+

D-allulose

30:70 (60 °C)

[14]

Treponema primitia ZAS-1

8.0

70

 ≤ 30 min

Co2+

D-allulose

28:72 (70 ℃)

[39]