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Evolution

Inherited expression levels of the resistance gene (green) and the native gene (red), shown in the stomachs of unchallenged larva (left), challenged larva (center) and unchallenged larval offspring of challenged larvae, eight generations later (right)
01.08.2012

Can a genetic response to a short-term threat be inherited over the long term?

Engineered Enzyme Protects against Nerve Gas
22.02.2011

“Natural selection” in a test tube improves the enzyme efficiency by a factor of thousands

Bacteria can plan ahead
17.06.2009
ISRAELI SCIENTISTS SHOW BACTERIA CAN PLAN AHEAD
 
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Prof. Naama Barkai. Willing to experiment
01.05.2008
When can nature take a chance on genetic change?
Prof. Naama Barkai
01.11.2007

Weizmann Institute Scientists Discover: A 'Risk Distribution Law' for Evolution

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Switching Goals
28.08.2007

A computer simulation shows how evolution may have speeded up

 
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(l-r) Dr. Erez Dekel and Prof. Uri Alon. Evolution in a test tube
01.05.2006

Survival of the fittest in the lab: 300 generations of bacteria evolve to cope with test-tube conditions

The 3-D structure of the PON1 enzyme. The main section, in red, is the scaffold of the enzyme and is responsible for PON1’s primary function, while the blue and gray segments can undergo mutation and endow PON1 with additional, promiscuous functions
01.05.2005

In the high-stakes game of evolution, some proteins hedge their bets

Dr. Yitzhak Pilpel. Gene team
01.05.2005
If gene activities were football games, the substitute players would come from the nearest basketball team
Backups for the Gene Team
01.03.2005
Weizmann Institute Scientists discover how substitutions are made for injured genes
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