14.12.2017: Diego Leiva Cáceres (Santiago de Chile): Measuring the selectivity of lichens for their
bacterial symbionts, HS 32.01, Institut für Pflanzenwissenschaften, Bereich Syst. Botanik und Geobotanik, Holteigasse 6, 17:00 Uhr.
Selectivity of lichens has been traditionally defined as the process by which mycobionts “selects” among the available specific photobionts, and their preference has an impact in the ecological success of the holobiont. In animal ecology, “Electivity” indices have been used to study feeding preferences, which we have previously adapted to study the selectivity of Peltigera lichens by their cyanobionts. Bacterial (non-cyanobacterial) symbionts are also stable members of this symbiosis and could carry on important functions for the holobiont. Using Illumina amplicon sequencing on both lichen and substrate samples, we now assessed the selectivity of Peltigera lichens for two relevant bacterial groups: Rhizobiales and Sphingomonadales.