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. 1999 Sep;65(9):3780–3786. doi: 10.1128/aem.65.9.3780-3786.1999

TABLE 2.

Comparison of wild-type strain ADP1 and ppk mutant WH435

Culture
polyP concn (μmol of P/g of dry cell weight) Net PPK activity (U/μg of protein)
Strain Conditions
ADP1 Low Pi 0.04 6.0
WH435 Low Pi 0.005 0.7
ADP1 Low Pi → high Pi 60 60
WH435 Low Pi → high Pi 4.4 17