Sentences with phrase «forming pili»
Stanford microbiologist Gary Schoolnik and his colleagues report in today's issue of Science that hairlike appendages on the surface of the bacterium, known as bundle - forming pili, are critical to the virulence of these bacteria.
http://www.sciencemag.org/ Not exact matches
For years, the prevailing hypothesis was that these were a form of tiny hairs called pili, similar to those found on other types of bacteria.
Schoolnik's team produced several mutant forms of the bacterium, one of which produced no pili at all and another produced superpili that bound the organisms together even more tightly than those of the normal strain.
Only when methane is added as energy source these genes are activated and pili are formed between bacteria and archaea.»