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Pertactin
In
molecular biology
,
pertactin
(
PRN
) is a highly immunogenic
virulence factor
of
Bordetella pertussis
, the
bacterium
that causes
pertussis
. Specifically, it is an outer
membrane protein
that promotes
adhesion
to
trachea
l
epithelial cells
. PRN is purified from
Bordetella pertussis
and is used for the vaccine production as one of the important components of acellular pertussis vaccine.
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