polymerase was obtained from Agilent (Seoul, Korea). Oligonucleotides
were obtained from Bionics (Seoul, Korea). The plasmid miniprep kit
was obtained from GeneAll Biotechnology (Seoul, Korea). Protein A
beads were obtained from GE healthcare (Piscataway, NJ). A disposable
gravity column was obtained from Bio-Rad (Daejeon, Korea). Ultrafiltration
devices were obtained from Millipore (centrifugal filter tube Ultra-4,
MWCO 3k; Seoul, Korea). The 96-well Maxi-binding ELISA plate was obtained
from SPL (Seoul, Korea). Freestyle 293 medium was obtained from Gibco
(Waltham, MA). PEI was obtained from Polysciences (Warrington, PA).
LTA was obtained from Sigma (Seoul, Korea). Goat anti-mouse IgG HRP
was obtained from Pierce (Seoul, Korea). Mouse anti-S. aureus monoclonal IgM and rabbit anti-S. aureus polyclonal IgG were obtained from Thermo.
HRP-conjugated goat anti-rabbit IgG (H+L) and HRP-conjugated goat
anti-mouse IgM were obtained from Invitrogen (Waltham, MA). Other
chemicals and reagents, unless otherwise indicated, were from Sigma.