The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
ICEMlSymR7A of Mesorhizobium loti is an integrative and conjugative element (ICE) that confers the ability to form a nitrogen‐fixing symbiosis with Lotus species. Horizontal transfer is activated by TraR and N‐acyl‐homoserine lactone (AHL), which can stimulate ICE excision in 100% of cells. However, in wild‐type cultures, the ICE is excised at low frequency. Here we show that QseM, a widely conserved...