Researchers uncover why some organisms can eat anything -- 'generalists -- and others have strict diets -- 'specialists'. Using different Drosophila species the team found that diversity in diet stems from the flexible response to carbohydrates regulated by the TGF-?/Activin signaling pathway. Specialists accumulated metabolites under high carbohydrate conditions, culminating in reduced adaptation, while generalists do not.
from Diet and Weight Loss News -- ScienceDaily https://ift.tt/2ZwHNBX
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