An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
von Ossowski I, Mulvey MR, Leco PA, Borys A, Loewen PC.von Ossowski I, et al.J Bacteriol. 1991 Jan;173(2):514-20. doi: 10.1128/jb.173.2.514-520.1991.J Bacteriol. 1991.PMID: 1987146Free PMC article.
Terai A, Baba K, Shirai H, Yoshida O, Takeda Y, Nishibuchi M.Terai A, et al.J Bacteriol. 1991 Aug;173(16):5036-46. doi: 10.1128/jb.173.16.5036-5046.1991.J Bacteriol. 1991.PMID: 1650342Free PMC article.