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Traces of early Native Americans -- in sunflower genes
Date:4/2/2010

ors when scientists are interested in knowing how a few genes (and the proteins they encode) interact.

Domesticated HaFT1 had no impact on flowering in the presence of HaFT2. But HaFT1 did delay A. thaliana flowering in the presence of HaFT4. The scientists concluded the newer HaFT1 and older HaFT4 are interacting, possibly directly, in such a way to interfere with HaFT4's function, thereby delaying flowering.

"In the sunflower story, what is most interesting in my view is how evolution has exploited both recent and ancient gene duplicates in the same gene family to achieve shifts in flowering time and photoperiod sensitivity," said IU Bloomington plant evolutionary biologist Loren Rieseberg, the study's principal investigator.


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Contact: David Bricker
brickerd@indiana.edu
812-856-9035
Indiana University
Source:Eurekalert  

Page: 1 2 3 4

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Traces of early Native Americans -- in sunflower genes
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