Liha töötlemine
marker gene has been nptII, encoding resis-
tance to aminoglicosidic antibiotics (neomi-
Strategies for Detection,
cin/kanamicin). The bla gene, encoding
Identification, and Quantification
ampicilin resistance, and the bar gene, encod-
of GMOs
ing phosphinothricin tolerance, have also
Different analytical strategies have been been widely employed (D’Halluin et al.
exploited in GMO analysis: (1) screening 1992). Therefore, most of the screening
methodology that commonly detects regula- methods are based on the detection of P-35S,
tory sequences or marker genes, and which T-nos, and bla and nptII genes. Another
aims to detect the presence or absence of strategy is the use of regions from cloning
annaabi.ee 
