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Sweet genes are made of this

发布时间:2019-03-07 06:07:09来源:未知点击:

YOU might be able to blame your sweet tooth on your genes, according to researchers at the Mount Sinai School of Medicine in New York. No one had been able to pin down the receptor proteins that allow us to taste sweet things. But Robert Margolskee and his colleagues knew that the gene which codes for those proteins was probably lurking at the end of chromosome 4. So they went hunting in that region of the mouse genome for proteins similar to those already known to detect tastes like bitterness and umami,