two.4 mya While using the emergence of A. microta.[sixty][sixty one] Genome sequencing of the giant panda indicates that the dietary switch might have initiated from the loss of the only real umami taste receptor, encoded through the genes TAS1R1 and TAS1R3 (generally known as T1R1 and T1R3), resulting from two frameshift mutations in the T1R1 exons.[fifty] Umami taste corresponds to large amounts of glutamate as found in meat and might have Consequently altered the food selection of the large panda.
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