Latest Yael T. Aminetzach Stories

A harmless digestive enzyme evolved twice into a dangerous toxin in 2 unrelated speciesBiologists have shown that independent but similar molecular changes turned a harmless digestive enzyme into a toxin in two unrelated species -- a shrew and a lizard -- giving each a venomous bite.The work, described this week in the journal Current Biology by researchers at Harvard University, suggests that protein adaptation may be a highly predictable process, one that could eventually help discover...