UNIVERSITY OF MARYLAND BALTIMORE COUNTY IMAGE: A DELTA BACTERIOPHAGE, THE FIRST IDENTIFIED IN A NEW STUDY IN FRONTIERS IN MICROBIOLOGY TO HAVE BINDING SITES FOR CTRA, A PROTEIN PRODUCED BY THE BACTERIOPHAGE’S HOST THAT REGULATES THE PRODUCTION OF PILI AND FLAGELLA. THE PRESENCE OF THESE BINDING SITES ONLY IN PHAGES THAT REQUIRE THEIR HOST CELLS...