After finishing her PhD at the Swedish University of Agricultural Sciences, Hanna came to the Taylor lab in September 2002 for a two-year post-doc. Her research focused on selection processes in the human pathogen Coccidioides immitis.

Hanna returned to Sweden in November 2004 and is currently a professor at Uppsala University.



  • H. Johannesson, T. Kasuga, R.A. Schaller, B. Good, M.J. Gardner, J.P. Townsend, G.T. Cole and J.W. Taylor. 2006. Phase-specific gene expression underlying morphological adaptations of the dimorphic human pathogenic fungus, Coccidioides posadasii. Fungal Genetics and Biology 43(8): 545-559.
  • Johannesson, H., J.P. Townsend, C.-Y. Hung, G.T. Cole, J.W. Taylor. 2005. Concerted evolution of the repeats of an immunomodulating cell surface protein, SOWgp, of the human pathogenic fungiCoccidioides immitis and C. posadasii.  Genetics 171:109-117.
  • Johannesson, H., Vidal, P., Guarro, J., Herr, R. A., Cole, G. T., John W. Taylor. 2004. Positive directional selection in the proline-rich antigen (PRA) gene among the human pathogenic fungiCoccidioides immitis, C. posadasii and their closest relatives. Molecular Biology and Evolution 21(6):1134-1145.
  • Johannesson, H. and Stenlid, J. 2004. Nuclear reassortment between vegetative mycelia in natural populations of the basidiomycete Heterobasidion annosum. Fungal Genetics and Biology 41(5): 563-570.
  • Johannesson, H. Stenlid, J. 2003. Molecular markers reveal genetic isolation and phylogeography of the S and F intersterility groups of the wood-decay fungus Heterobasidion annosum. Molecular Phylogenetics and Evolution 29: 94-101.
  • Guidot A, Johannesson H, Dahlberg A, Stenlid J. 2003. Parental tracking in the postfire wood decay ascomycete Daldinia loculata using highly variable nuclear gene loci. Molecular Ecology 12 (7): 1717-1730.
  • Ihrmark, K., Johannesson, H., Stenström, E. & Stenlid, J. 2002. Transmission of double-stranded DNA in Heterobasidion annosum. Fungal Genetics and Biology 36 (2): 147-154.
  • Johannesson, H., Ihrmark, K. & Stenlid J. 2002. Differential decay extension capability of Daldinia spp. in wood of Betula pendula, Alnus glutinosa and Fraxinus excelsior. Forest Ecology and Managment 167: (1-3) 295-302.
  • Johannesson, H., Vailiauskas, R., Dahlberg, A., Penttilä, R. & Stenlid, J. 2001. Genetic differentiation in Eurasian populations of the postfire ascomycete Daldinia loculata. Molecular Ecology 10: 1665-1677.
  • Johannesson, H., Gustafsson, M. & Stenlid, J. 2001. Local population structure of the wood-decay ascomycete Daldinia loculata. Mycologia 93(3): 440-446.
  • Dahlberg, A., Schimmel, J., Taylor, A. & Johannesson, H. 2001. Post-fire legacy of ectomycorrhizal fungal communities in the Swedish boreal forest in relation to fire severity and logging intensity. Biological conservation 100 (2): 151-161.
  • Johannesson, H., Johannesson H. & Stenlid, J. 2000. Development of a set of PCR primers to amplify conserved genes of Daldinia loculata for use in population studies. Molecular Ecology 9: 375-378.
  • Johannesson, H., Læssøe, T. & Stenlid, J. 2000. Molecular and morphological investigation of the genus Daldinia in northern Europe. Mycological Research 104 (3): 275-280.
  • Johannesson, H., Ryman, S., Lundmark, H & Danell, E. 2000. Wood dyeing with Sarcodon imbricatus - difficulties due to confusion with S. squamosus. Mycological Research 103 (11): 1447-1452.
  • Johannesson, H., Renvall, P & Stenlid, J. 2000. Taxonomy of the Antrodiella semisupina complex inferred from morphological and molecular characters. Mycological Research 103 (11): 1224-1228.
  • Martín, M.P. & Johannesson, H. 2000. Battarrea phalloides and B.stevenii, insigth into a long-standing taxonomic puzzle? Mycotaxon 76: 67-75.
  • Johannesson, H. & Martín, M.P. 1999. Cladistic studies of Rhizopogon based on morphological and molecular characters. Mycotaxon 71: 267-283.
  • Johannesson, H. & Stenlid, J. 1999. Molecular identification of wood-inhabiting fungi in canopy gaps of Fiby forest. Forest Ecology and Management 115: 203-211.
  • Swedjemark, G., Johannesson, H. & Stenlid, J. 1999. Intraspecific variation in Heterobasidion annosum for growth in sapwood of Picea abies and Pinus sylvestris. European Journal of Forest Pathology 29 (4): 249-258.