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  • First draft of transgenic papaya genome yields many fruits

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      Papaya is one of the most nutritious fruits known. The new study sheds light on its evolution and that of other flowering plants.

      Photo courtesy of James Carr

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      Ray Ming is co-lead author on the study that produced the first draft of the papaya genome.

      Photo by L. Brian Stauffer

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      The papaya ringspot virus (PRSV) interferes with the plant's ability to photosynthesize. The transgenic papaya at the center of this field (darker, rectangular patch of green) are surrounded by non-transgenic plants. The transgenic plants contain a gene for a PRSV coat protein, which makes them resistant to the virus. The non-transgenic plants are stunted, and often produce deformed, inedible fruit. Below, a stunted non-transgenic plant.

      Photo courtesy of Stephen A. Ferreira

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