Gaylord Entertainment Co. shareholders approved the sale of the Gaylord brand and management of its four properties to Marriott International.

With approval of 75 percent of Gaylord shareholders, Marriott on Oct. 1 will assume control of those properties as well as the Radisson Opryland Hotel and Gaylord’s Nashville attractions. Gaylord Entertainment Co., meanwhile, will become a real estate investment trust, Ryman Hospitality Partners, led by Gaylord chairman and CEO Colin Reed.