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. 2012 Jan;50(1):104–112. doi: 10.1128/JCM.05313-11

Table 3.

Proteolytic activities of bacterial culture supernatants against P. gingivalis substratesa

Strain or sample Proteolytic activitya
BikKam9 BikKam10 BikKam11 BikKam12 BikKam13 BikKam14 BikKam15 BikKam16
P. gingivalis W50 +++ +++ +++ +++ +++ +++ +++ +++
P. gingivalis K + + ++ ++ ++ +++ +++ +++
P. gingivalis K1 + ++ +++ +++ +++ +++ +++ +++
P. gingivalis K2 + + ++ ++ +++ ++ +++
P. gingivalis K3 ++ ++ +++ +++ +++ +++ +++ +++
P. gingivalis K4 + + ++ ++ ++ ++ +++ +++
P. gingivalis K5 ++ ++ ++ +++ +++ +++ +++ +++
P. gingivalis K6 +++ +++ +++ +++ +++ +++ +++ ++
P. gingivalis K7 ++ ++ +++ +++ +++ +++ +++ +++
A. naeslundii
A. odontolyticus
A. actinomycetemcomitans
F. nucleatum subsp. periodontium
F. nucleatum subsp. nucleatum
F. nucleatum subsp. polymorphum
P. micros
P. intermedia
P. nigrescens
T. forsythia +
T. denticola
S. mitis I
S. oralis
Saliva + +++ ++
a

Enzyme activity is defined in RF/min values as follows: <5 (−), no activity; 5 to 24 (+), low activity; 25 to 124 (++), moderate activity; >125 (+++), high activity.