Olof Hellgren

Senior Lecturer
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  1. 2019
  2. Major shifts in gut microbiota during development and its relationship to growth in ostriches

    Videvall, E., Song, S. J., Bensch, H. M., Maria Strandh, Engelbrecht, A., Serfontein, N., Olof Hellgren, Olivier, A., Cloete, S., Knight, R. & Charlie K. Cornwallis, 2019, In : Molecular Ecology.

    Research output: Contribution to journalArticle

  3. Within-Lineage Divergence of Avian Haemosporidians: A Case Study to Reveal the Origin of a Widespread Haemoproteus Parasite

    Xi Huang, Rapševičius, P., Chapa-Vargas, L., Olof Hellgren & Staffan Bensch, 2019, In : The Journal of parasitology. 105, 3, p. 414-422 9 p.

    Research output: Contribution to journalArticle

  4. 2018
  5. 2017
  6. Avian migration and the distribution of malaria parasites in New World passerine birds

    Ricklefs, R. E., Medeiros, M., Vincenzo Ellis, Svensson-Coelho, M., Blake, J. G., Loiselle, B. A., Soares, L., Fecchio, A., Outlaw, D., Marra, P. P., Latta, S. C., Valkiūnas, G., Olof Hellgren & Staffan Bensch, 2017 May, In : Journal of Biogeography. 44, 5, p. 1113-1123

    Research output: Contribution to journalArticle

  7. The transcriptome of the avian malaria parasite Plasmodium ashfordi displays host-specific gene expression

    Videvall, E., Charlie Cornwallis, Dag Ahrén, Palinauskas, V., Valkiunas, G. & Olof Hellgren, 2017 Mar 7, In : Molecular Ecology.

    Research output: Contribution to journalArticle

  8. 2016
  9. The evolution of innate immune genes: Purifying and balancing selection on β-Defensins in waterfowl

    Chapman, J. R., Olof Hellgren, Helin, A. S., Kraus, R. H. S., Cromie, R. L. & Waldenström, J., 2016 Dec 1, In : Molecular biology and evolution. 33, 12, p. 3075-3087 13 p.

    Research output: Contribution to journalArticle

  10. Population genetic structure, differentiation, and diversity in Tetrix subulata pygmy grasshoppers: roles of population size and immigration

    Tinnert, J., Olof Hellgren, Lindberg, J., Koch-Schmidt, P. & Forsman, A., 2016 Nov 1, In : Ecology and Evolution. 6, 21, p. 7831-7846 16 p.

    Research output: Contribution to journalArticle

  11. Multiple cryptic species of sympatric generalists within the avian blood parasite Haemoproteus majoris

    E. Nilsson, Taubert, H., O. Hellgren, X. Huang, Palinauskas, V., Markovets, M. Y., Valkiūnas, G. & S. Bensch, 2016 Sep 1, In : Journal of evolutionary biology. 29, 9, p. 1812-1826 15 p.

    Research output: Contribution to journalArticle

  12. The genome of Haemoproteus tartakovskyi and its relationship to human malaria parasites

    Staffan Bensch, Björn Canbäck, DeBarry, J. D., Tomas Johansson, Olof Hellgren, Kissinger, J. C., Palinauskas, V., Videvall, E. & Valkiūnas, G., 2016, In : Genome Biology and Evolution. 8, 5, p. 1361-73 13 p.

    Research output: Contribution to journalArticle

  13. 2015
  14. Detecting transmission areas of malaria parasites in a migratory bird species.

    Garcia-Longoria, L., Olof Hellgren, Staffan Bensch, DE Lope, F. & Marzal, A., 2015, In : Parasitology. 142, 9, p. 1215-1220

    Research output: Contribution to journalArticle

  15. Global phylogeography of the avian malaria pathogen Plasmodium relictum based on MSP1 allelic diversity

    Olof Hellgren, Atkinson, C. T., Staffan Bensch, Albayrak, T., Dimitrov, D., Ewen, J. G., Kim, K. S., Lima, M. R., Martin, L., Palinauskas, V., Ricklefs, R., Sehgal, R. N. M., Valkiunas, G., Tsuda, Y. & Marzal, A., 2015, In : Ecography. 38, 8, p. 842-850

    Research output: Contribution to journalArticle

  16. The Avian Transcriptome Response to Malaria Infection.

    Videvall, E., Charlie Cornwallis, Palinauskas, V., Valkiūnas, G. & Olof Hellgren, 2015, In : Molecular biology and evolution. 32, 5, p. 1255-1267

    Research output: Contribution to journalArticle

  17. 2014
  18. Genomic Resources Notes accepted 1 June 2013-31 July 2013

    Staffan Bensch, Coltman, D. W., Davis, C. S., Olof Hellgren, Tomas Johansson, Malenfant, R. M., Moore, S. S., Palinauskas, V. & Valkiunas, G., 2014, In : Molecular Ecology Resources. 14, 1, p. 218-218

    Research output: Contribution to journalDebate/Note/Editorial

  19. Molecular identification of the chitinase genes in Plasmodium relictum

    Garcia-Longoria, L., Olof Hellgren & Staffan Bensch, 2014, In : Malaria Journal. 13, 239.

    Research output: Contribution to journalArticle

  20. 2013
  21. Circannual variation in blood parasitism in a sub-Saharan migrant passerine bird, the garden warbler

    Olof Hellgren, Wood, M. J., Waldenström, J., Dennis Hasselquist, Ottosson, U., Stervander, M. & Staffan Bensch, 2013, In : Journal of evolutionary biology. 26, 5, p. 1047-1059

    Research output: Contribution to journalArticle

  22. How can we determine the molecular clock of malaria parasites?

    Staffan Bensch, Olof Hellgren, Križanauskienė, A., Palinauskas, V., Valkiūnas, G., Outlaw, D. & Ricklefs, R. E., 2013, In : Trends in Parasitology. 29, 8, p. 363-369

    Research output: Contribution to journalReview article

  23. The epidemiology underlying age‐related avian malaria infection in a long‐lived host: the mute swan Cygnus olor

    Wood, M. J., Childs, D. Z., Davies, A. S., Olof Hellgren, Charlie Cornwallis, Perrins, C. M. & Sheldon, B. C., 2013, In : Journal of Avian Biology. 44, 4, p. 347-358

    Research output: Contribution to journalArticle

  24. The origin of Swedish and Norwegian populations of the Eurasian harvest mouse (Micromys minutus)

    Lars Råberg, Jon Loman, Olof Hellgren, van der Kooij, J., Isaksen, K. & Solheim, R., 2013, In : Acta Theriologica. 58, 1, p. 101-104

    Research output: Contribution to journalArticle

  25. 2012
  26. Migratory behavior of birds affects their coevolutionary relationship with blood parasites

    Jenkins, T., Thomas, G. H., Olof Hellgren & Owens, I. P. F., 2012, In : Evolution. 66, 3, p. 740-751

    Research output: Contribution to journalArticle

  27. 2011
  28. Diversity, Loss, and Gain of Malaria Parasites in a Globally Invasive Bird.

    Marzal, A., Ricklefs, R. E., Valkiūnas, G., Albayrak, T., Arriero, E., Bonneaud, C., Czirják, G. A., Ewen, J., Hellgren, O., Hořáková, D., Iezhova, T. A., Jensen, H., Križanauskienė, A., Robalinho Lima, M., de Lope, F., Magnussen, E., Martin, L. B., Møller, A. P., Palinauskas, V., Pap, P. L. & 7 othersPérez-Tris, J., Sehgal, R. N. M., Soler, M., Szöllősi, E., Helena Westerdahl, Zetindjiev, P. & Staffan Bensch, 2011, In : PLoS ONE. 6, 7, e21905.

    Research output: Contribution to journalArticle

  29. 2009
  30. A jack-of-all-trades and still a master of some: prevalence and host range in avian malaria and related blood parasites

    Olof Hellgren, Perez-Tris, J. & Staffan Bensch, 2009, In : Ecology. 90, 10, p. 2840-2849

    Research output: Contribution to journalArticle

  31. 2008
  32. 2007
  33. Detecting shifts of transmission areas in avian blood parasites - a phylogenetic approach

    Olof Hellgren, Waldenström, J., Perez-Tris, J., Ösi, ES., Dennis Hasselquist, Krizanauskiene, A., Ottosson, U. & Staffan Bensch, 2007, In : Molecular Ecology. 16, 6, p. 1281-1290

    Research output: Contribution to journalArticle

  34. Diversity and phylogeny of mitochondrial cytochrome b lineages from six morphological species of avian Haemoproteus

    Olof Hellgren, Krizanauskiene, A., Valkiunas, G. & Staffan Bensch, 2007, In : Journal of Parasitology. 93, 4, p. 889-896

    Research output: Contribution to journalArticle

  35. European Griffon Vulture Gyps fulvus and Yankari National Park in Nigeria

    Roine Strandberg, Ottosson, U., Waldenström, J. & Olof Hellgren, 2007, In : Malimbus. 29, 2, p. 122-123

    Research output: Contribution to journalArticle

  36. Flight speeds among bird species: allometric and phylogenetic effects

    Thomas Alerstam, Rosén, M., Johan Bäckman, Ericson, P. & Olof Hellgren, 2007, In : PLoS Biology. 5, 8, p. 1656-1662

    Research output: Contribution to journalArticle

  37. Within-host speciation of malaria parasites

    Perez-Tris, J., Olof Hellgren, Križanauskienė, A., Waldenström, J., Secondi, J., Bonneaud, C., Fjeldså, J., Dennis Hasselquist & Staffan Bensch, 2007, In : PLoS ONE. 2, 2, p. e235-e235

    Research output: Contribution to journalArticle

  38. 2006
  39. Avian Malaria and Related Blood Parasites: Molecular Diversity, Ecology and Evolution

    Olof Hellgren, 2006, Department of Ecology, Lund University. 164 p.

    Research output: ThesisDoctoral Thesis (compilation)

  40. Nested cytochrome B polymerase chain reaction diagnostics underestimate mixed infections of avian blood haemosporidian parasites: Microscopy is still essential

    Valkiunas, G., Staffan Bensch, Iezhova, TA., Krizanauskiene, A., Olof Hellgren & Bolshakov, CV., 2006, In : Journal of Parasitology. 92, 2, p. 418-422

    Research output: Contribution to journalArticle

  41. Variation in host specificity between species of avian haemosporidian parasites: evidence from parasite morphology and cytochrome b gene sequences

    Križanauskiene, A., Olof Hellgren, Kosarev, V., Sokolov, L., Staffan Bensch & Valkiūnas, G., 2006, In : Journal of Parasitology. 92, 6, p. 1319-1324

    Research output: Contribution to journalArticle

  42. 2005
  43. What are malaria parasites?

    Perez-Tris, J., Dennis Hasselquist, Olof Hellgren, Krizanauskiene, A., Waldenström, J. & Staffan Bensch, 2005, In : Trends in Parasitology. 21, 5, p. 209-211

    Research output: Contribution to journalLetter

  44. 2004
  45. A new PCR assay for simultaneous studies of Leucocytozoon, Plasmodium, and Haemoproteus from avian blood

    Olof Hellgren, Waldenström, J. & Staffan Bensch, 2004, In : Journal of Parasitology. 90, 4, p. 797-802

    Research output: Contribution to journalArticle

  46. Linkage between nuclear and mitochondrial DNA sequences in avian malaria parasites: Multiple cases of cryptic speciation?

    Staffan Bensch, Perez-Tris, J., Waldenström, J. & Olof Hellgren, 2004, In : Evolution. 58, 7, p. 1617-1621

    Research output: Contribution to journalArticle

  47. Vertebrate host specificity of wild-caught blackflies revealed by mitochondrial DNA in blood

    Malmqvist, B., Strasevicius, D., Olof Hellgren, Adler, PH. & Staffan Bensch, 2004, In : Royal Society of London. Proceedings B. Biological Sciences. 271, S4, p. S152-S155

    Research output: Contribution to journalArticle