"The researchers chose two bacterial enzymes that together can convert L-glutamine, a common constituent of rose petals, into the blue pigment indigoidine," the American Chemical Society said in ...

Those inspired by the image of a blue rose range from Rudyard Kipling who penned poems about the unnaturally-hued blooms to a string of characters ... to stain the petals of naturally white ...

The gene of the enzyme that produces the blue pigment, delphinidin, is not found in rose petals to begin with. Thanks to biotechnology, the petals of Suntory's blue roses contain nearly 100 ...

A rosy outlook: researchers have found that rose petal growth is all about geometric frustration. (CC BY SA Georges Seguin) Roses have been cultivated for thousands of years, admired for their beauty.

It may soon be possible to breed blue roses in your garden, say scientists who have found a way to express pigment-producing enzymes from bacteria in the petals of a white rose. Researchers ...