Regulation of Grape Skin Color by MybA1 Intron
2011
How a Short Insertion Affects Grape Berry Color
publication
Evidence: moderate
Author Information
Author(s): Shimazaki Mamiko, Fujita Keiko, Kobayashi Hironori, Suzuki Shunji
Primary Institution: The Institute of Enology and Viticulture, University of Yamanashi
Hypothesis
Pink grape berry is the result of the short insertion in the intron of the color regulatory gene MybA1.
Conclusion
The study found that a short insertion in the MybA1 gene is responsible for the pink color of certain grape berries.
Supporting Evidence
- The pink grape berry skin color is linked to low levels of anthocyanins.
- The MybA1 gene regulates anthocyanin accumulation in grape skins.
- A 33 bp short insertion in the MybA1 gene affects splicing and reduces gene expression.
Takeaway
Some grapes are pink because of a tiny change in their genes that affects their color. This change stops the grapes from making a color that makes them look red or black.
Methodology
The study involved genetic analysis and PCR to examine the MybA1 gene structure and its expression in different grape varieties.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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