Dissociation and metal-binding characteristics of yellow lichen substances suggest a relationship with site preferences of lichens.

@article{Hauck2009DissociationAM,
  title={Dissociation and metal-binding characteristics of yellow lichen substances suggest a relationship with site preferences of lichens.},
  author={Markus Hauck and Sascha-Ren{\'e} J{\"u}rgens and Karen Willenbruch and Siegfried Huneck and C. Jaco Leuschner},
  journal={Annals of botany},
  year={2009},
  volume={103 1},
  pages={13-22}
}
BACKGROUND AND AIMS Many species of lichen-forming fungi contain yellow or orange extracellular pigments belonging to the dibenzofurans (usnic acid), anthraquinones (e.g. parietin) or pulvinic acid group. These pigments are all equally efficient light screens, leading us to question the potential ecological and evolutionary significance of diversity in yellow and orange lichen substances. Here the hypothesis is tested that the different pigments differ in metal-binding characteristics, which… CONTINUE READING

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