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Table 2 Alkaline phosphatase activity within samples

From: The quantitative proteomic response of Synechocystis sp. PCC6803 to phosphate acclimation

Phosphate level

Phosphate concentration (mg/L)

APA (nmoles of Pi released per min per mg of protein)

PhoA relative abundance

PhoA standard deviation

100%

40

0

na

na

3%

1.2

41.3

2.72

0.09

0.3%

0.12

60.7

3.74

0.28

  1. The phosphate concentration in the samples was determined using the acid molybdate method [37], and p-nitrophenylphosphate as substrate. Only alkaline phosphatase activity was detected.