Abstract
In the common sunflower, patterns of UV-absorbing pigments are controlled by a newly identified regulatory region and may be under the influence of environmental factors.
Highlights
Related research article Todesco M, Bercovich N, Kim A, Imerovski I, Owens GL, Dorado Ruiz Ó, Holalu SV, Madilao LL, Jahani M, Légaré JS, Blackman BK, Rieseberg LH. 2022
The size of the bullseye can vary widely between and even within sunflower species, but the genetic mechanisms that regulate this variation in UV absorbance remain unknown (Moyers et al, 2017)
The team first focused on the common sunflower (Helianthus annuus), which is distributed across much of North America and an excellent system to understand how UV absorbance evolves
Summary
Related research article Todesco M, Bercovich N, Kim A, Imerovski I, Owens GL, Dorado Ruiz Ó, Holalu SV, Madilao LL, Jahani M, Légaré JS, Blackman BK, Rieseberg LH. 2022. The size of the bullseye can vary widely between and even within sunflower species, but the genetic mechanisms that regulate this variation in UV absorbance remain unknown (Moyers et al, 2017). As well as being thought to act as pollinator guides, the pigments that allow plants to absorb UV light and create patterns may protect pollen from UV damage.
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