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Latest George A.M. Cross Stories

2009-04-16 07:39:43

Double-stranded DNA breaks are the key to Trypanosoma brucei's getaway planThe 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, in research to appear in the advance online April 15 issue of Nature, two laboratories at Rockefeller University have joined forces to reveal how the parasite...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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