Australian scientists recently discovered a gene that controls the red color of the apple epidermis, a finding that has helped to breed new varieties of apples.

According to the report of the American Association for the Advancement of Science on the 1st, a research group of the Australian Scientific and Industrial Research Organization used new technology to find genes responsible for color reddening in apple cells. According to Mandi Walker, who is responsible for the group, the appearance of red apple skin is mainly determined by a natural compound called anthocyanin, which is also an antioxidant that is beneficial to the human body.

Walker pointed out that the many advantages of anthocyanins prompted them to start investigating the biochemical pathways of anthocyanins that regulate apple color. Researchers focused on observing which specific genes were activated during apple maturation and discoloration.

Walker explained that apple growers all know that the color of apple depends on the light factor and that in the dark environment the apple will not turn red. So researchers speculated that controlling genes that turn red in apples may require light to activate. By identifying light-activated master genes, researchers have identified specific genes that control the formation of anthocyanins, which are much less expressed in green apples than red apples.

The researchers said that identifying the genes that control the color of apples can help predict the color of apples that will emerge in the future when genetically testing apple trees. In addition, growers can also use genetic technology to cultivate new varieties of special color apples.

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