Katunobu Taki

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BACKGROUND The plasmid R100 encodes tra genes essential for conjugal DNA transfer in Escherichia coli. Genetic evidence suggests that the traJ gene encodes a positive regulator for the traY-I operon, which includes almost all the tra genes located downstream of traJ. The molecular mechanism of regulation by TraJ, however, is not yet understood. traY is the(More)
It has become evident that P-cadherin, one of the classical cadherins, contributes to the malignant behavior of several types of cancer. In this study, we analyzed the expression of P-cadherin and its clinicopathological and prognostic values in intrahepatic cholangiocarcinoma (ICC) and pancreatic cancer. Furthermore, we investigated the functional role of(More)
A new model system for the study of the SOS response has been developed. In this system the response is induced by blocking the replication fork at a Ter site located in pUC-derived plasmids. Blockage of the fork is dependent on the expression of the Ter binding protein, Tus, encoded on another plasmid, in which the tus gene is under the control of the ara(More)
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