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Roses appear naturally in many shades of red, pink, yellow and white, but lack the natural ability to produce blue pigments.
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Australian company Florigene the researchers took the delphinidin gene, which creates the blue colour, from a petunia. They then inserted it into a mauve rose called the Cardinal de Richelieu.
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Named “Applause,” the rose is genetically modified to synthesize delphinidin, a pigment found in most blue flowers. The rose was first released in in Tokyo in 2009, after 20 years of research by Suntory, a Japanese company that also distills whisky, and its Australian subsidiary, Florigene (now Suntory Flowers).
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Suntory announced the rose will be for sale at select florists in North America, While the flower might appear more silver-purple than sky-blue, Applause is the nearest to a true blue rose yet. The flowers have a gene from a petunia inserted in them
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The resultant flower was a dark burgundy colour due to an excess of the blue pigment cyanidin.
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