Da. Mills et al., AN ORIGIN OF TRANSFER (ORIT) ON THE CONJUGATIVE ELEMENT PRS01 FROM LACTOCOCCUS-LACTIS SUBSP LACTIS ML3, Applied and environmental microbiology, 64(4), 1998, pp. 1541-1544
Previous analysis of the Tra1 region of the conjugative element pRS01
from Lactococcus lactis subsp, lactis ML3 suggested that an origin of
transfer (oriT) was present, Deletion derivatives of this cloned Tra1
region were assayed for mobilization in the presence of the wild-type
pRS01 element in trans, The pRS01 oriT was localized to a 446-nucleoti
de segment in the intergenic region between open reading frames ltrD a
nd ltrE. Sequence analysis of this region revealed a cluster of direct
and inverted repeat structures characteristic of oriT regions associa
ted with other conjugative systems.