Abstract
'HoneySweet', a transgenic plum (Prunus domestica) resistant to plum pox virus through RNAi, was deregulated in the U.S. in 2011. The compositional study of 'HoneySweet' fruit was expanded to include locations outside of the US as well as utilizing a wide variety of comparators and different collection years to see the variability possible. The results revealed that plums have a wide variation in composition and that variation among locations was greater than variation among cultivars. This was also the case for different years at one location. The results supported the supposition that the transgene and insertion event had no significant effect on the composition of 'HoneySweet' fruit even under virus pressure, and that it fell in the normal range of composition of commercially grown plums. It also suggested that the effect of environment is as great as that of genetics on the fruit composition of plums.
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Fruit / virology*
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Plant Diseases / virology*
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Plants, Genetically Modified / genetics
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Plants, Genetically Modified / virology
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Plum Pox Virus / genetics*
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Prunus domestica / virology*
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RNA Interference / physiology*
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Transgenes / genetics
Grants and funding
United States Department of Agriculture-Agriculture Research Service funded this project through in-house funding. The funder provided support in the form of salaries for authors [AMC, CD, RS], but did not have any additional role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript. The specific roles of these authors are articulated in the ‘author contributions’ section. The United States Department of Agriculture- Foreign Agriculture Service provided funds (FAS TASC 2009 AMC,CDD to RS) to offset the cost of the composition analyses. Ralph Scorza LLC provided no financial assistance and played no role in this project.