Plant genetics research
Northern environments are characterized by steep latitudinal gradients in the length of growing season. We are interested in genetic variation and evolution of phenotypic traits which are responsible for adaption to these environments (e.g. flowering time).
Research on tree genetics has often been funded by EU-framework projects, such as TREESNIPS QLRT-2001-01973 Treesnips-final report.pdf
Scots pine has steep clines in adaptive traits. Our goal is to understand the mechanisms maintaining these clines, and to examine the genetic basis, identify the loci and study the effects of individual alleles on the traits.
The European and North American subspecies of Lyrate Rockcress (Arabidopsis lyrata) are highly diverged, as are certain populations of the European subspecies. Interpopulation crosses show reproductive incompatibilities between some populations. The loci responsible for this are being examined.
Pine species diverge slowly, and many species still exchange genes. In such species pairs, adaptation and gene flow are occurring in two species at a time. We examine patterns of adaptation and the influence of gene flow.
A. thaliana distribution reaches up to northern Scandinavia. The population structure and adaptive variation has been studied in collaboration with the Univ of Uppsala and the Norwegian University of Science and Technology at Trondheim, with respect to neutral marker variation, flowering time, sequence variation at candidate loci.