Yes,
"Dune"'s Maud'ib = Mahdi - the Islamic prophet who will return. All the great families in "Dune" merge upon the spice planet to protect the flow of the spice - flow of the oil. A great religous movement turns political and bloody in the book, and even uses "Jihad!!".
Heh. I know this and I've never read the "Dune" books