The same colonies were analyzed using the ery primers described by Sangari et al. 1994 and Mukherjee et al. 2005 to identify the 361-bp amplicon of the deleted ery operon as an attenuation genetic marker.
Las mismas colonias se analizaron utilizando los primers descritos por Sangari et al. 1994 y Mukherjee et al. 2005 para identificar el amplicón de 361 pb del operón ery eliminado como marcador genético de atenuación.