Figure 1  .

(A) Polymerase chain reaction (PCR)-restriction fragment length polymorphism analysis for the codon 54 allele of the mannose binding lectin (MBL) gene. PCR products were digested with BamI, and three genotypes of MBL codon 54 were determined. W/W, wild/wild; W/m, wild/mutant; m/m, mutant/mutant; M, marker. (B) Allele specific PCR analysis for promoter genotypes of the MBL gene. PCR products of HY, LY, and LX alleles are visualised separately by staining with ethidium bromide in 2% agarose gel, and promoter genotypes were determined according to positive bands. Representative LY/LX, LY/LY, HY/LX, LX/LX, LY/HY, and HY/HY genotypes are shown.