Parasite breaks its own DNA to avoid detection
Wednesday, April 15, 2009 - 12:49
in Biology & Nature
The parasite Trypanosoma brucei, which causes African sleeping sickness, is like a thief donning a disguise. Every time the host’s immune cells get close to destroying the parasite, it escapes detection by rearranging its DNA and changing its appearance. Now, researchers at Rockefeller University reveal how the parasite initiates its getaway — by cleaving both strands of its DNA.