Parasitic bacteria Parasitism

many bacteria parasitic, though since result infection , disease, leading death, thought of pathogens instead. parasitic bacteria extremely diverse, , infect hosts variety of routes. give few examples, bacillus anthracis, cause of anthrax, spread contact infected domestic animals; bacillus s spores, can survive years outside body, can enter host through abrasion or may inhaled. borrelia, cause of lyme disease , relapsing fever, transmitted vector, ticks of genus ixodes, diseases reservoirs in animals such deer. campylobacter jejuni, cause of severe enteritis (gut inflammation), spread fecal-oral route animals, or eating insufficiently cooked poultry, or contaminated water. haemophilus influenzae, agent of bacterial meningitis , respiratory tract infections such influenza , bronchitis, transmitted droplet contact. treponema pallidum, cause of syphilis, spread sexual intercourse.

enterobacteria phage t4 bacteriophage virus. infects host, escherichia coli, injecting dna through tail, attaches bacterium s surface.