BioMed Research International / 2010 / Article / Tab 2 / Review Article
The Structure and Function of Serum Opacity Factor: A Unique Streptococcal Virulence Determinant That Targets High-Density Lipoproteins Table 2 Prevalence of SOF among various bacteria.
Bacteria Number of strains positive for SOF/
t
o
t
a
l
a
Reference Group A streptococcus S. pyogenes 52/117, 77/125, 51/93 [22 , 77 , 78 ] Group B streptococcus S. agalactiae 0/14, 0/30, 5/18 [75 , 76 ],
∗
Group C streptococcus S. equi 4/15, 0/20 [75 , 76 ] Group D streptococcus S. bovis, S. equinus, Enterococcus faecalis
b
0/3 [76 ] Group F streptococcus S.
𝑎
𝑛
𝑔
𝑖
𝑛
𝑜
𝑠
𝑢
𝑠
c
2/5, 0/5 [75 , 76 ] Group G streptococcus S. dysgalactiae, S. arginosus, S. canis 20/20, 37/68, 0/36 [29 , 75 , 76 ] Group R streptococcus S. suis
3
3
/
3
6
d
[30 ] Staphylococcus aureus 0/5
∗
Staphylococcus epidermidis 3/3 [79 ]
a
p
o
s
i
t
i
v
e
for sof gene and/or for opacification of serum by extracts
b
f
o
r
m
e
r
l
y
Streptococcus faecalis
c
f
o
r
m
e
r
l
y
S. milleri , it is a heterogeneous group that may also express group A, C F, or G antigens.
d
a
p
p
r
o
x
i
m
a
t
e
l
y
70% of the 33 contained a nonfunctional sof gene.
∗
u
n
p
u
b
l
i
s
h
e
d
results from Courtney et al.