Virpi Virjamo
Senior Researcher
I study the effect of climate change on forest tree’s defensive chemistry. My focus is on phenolic and alkaloid chemistry, and in the trade-off between defense and growth.
Faculty of Science, Forestry and Technology, School of Forest Sciences
virpi.virjamo@uef.fi | +358 50 309 3875
Research groups
Publications
32 items-
Characterisation, Recovery and Activity of Hydrophobic Compounds in Norway Spruce Log Soaking Pit Water: Could they be Used in Wood Preservative Formulations?
Barbero-López, Aitor; Vek, Viljem; Poljanšek, Ida; Virjamo, Virpi; López-Gómez, Yeray Manuel; Sainio, Tuomo; Humar, Miha; Oven, Primož; Haapala, Antti. 2022. Waste and biomass valorization. 13: 2553-2564 A1 Journal article (refereed), original research -
Responses in growth and emissions of biogenic volatile organic compounds in Scots pine, Norway spruce and silver birch seedlings to different warming treatments in a controlled field experiment
Pikkarainen, Laura; Nissinen, Katri; Ghimire, Rajendra Prasad; Kivimäenpää, Minna; Ikonen, Veli-Pekka; Kilpeläinen, Antti; Virjamo, Virpi; Yu, Hao; Kirsikka-Aho, Sara; Salminen, Timo; Hirvonen, Jukka; Vahimaa, Timo; Luoranen, Jaana; Peltola, Heli. 2022. Science of the total environment. 821: A1 Journal article (refereed), original research -
Accumulation of phenolics and growth of dioecious Populus tremula (L.) seedlings over three growing seasons under elevated temperature and UVB radiation
Sobuj, Norul; Nissinen, Katri; Virjamo, Virpi; Salonen, Anneli; Sivadasan, Unnikrishnan; Randriamanana, Tendry; Ikonen, Veli-Pekka; Kilpeläinen, Antti; Julkunen-Tiitto, Riitta; Nybakken, Line; Mehtätalo, Lauri; Peltola, Heli. 2021. Plant physiology and biochemistry. 165: 114-122 A1 Journal article (refereed), original research -
Changes in light spectra modify secondary compound concentrations and BVOC emissions of Norway spruce seedlings
Kivimäenpää, Minna; Virjamo, Virpi; Ghimire, Rajendra P.; Holopainen, Jarmo K.; Julkunen-Tiitto, Riitta; Martz, Françoise; Nissinen, Katri; Riikonen, Johanna. 2021. Canadian journal of forest research-revue canadienne de recherche forestiere. 51: 1218-1229 A1 Journal article (refereed), original research -
Protein and phenolic content and antioxidant capacity of honey bee-collected unifloral pollen pellets from Finland
Salonen, Anneli; Lavola, Anu; Virjamo, Virpi; Julkunen-Tiitto, Riitta. 2021. Journal of apicultural research. 60: 744-750 A1 Journal article (refereed), original research -
1,6-Dehydropinidine Is an Abundant Compound in Picea abies (Pinaceae) Sprouts and 1,6-Dehydropinidine Fraction Shows Antibacterial Activity against Streptococcus equi Subsp. equi
Virjamo, Virpi; Fyhrquist, Pia; Koskinen, Akseli; Lavola, Anu; Nissinen, Katri; Julkunen-Tiitto, Riitta. 2020. Molecules. 25: 4558 A1 Journal article (refereed), original research -
Characterization of spruce log soaking water and their antifungal and wood preserving properties
Barbero-López, Aitor; Vek, Viljem; Virjamo, Virpi; Poljan¨ek, Ida; Humar, Miha; Oven, Primo¸; Haapala, Antti. Teoksessa: LeVan-Green, Susan, 2020. Proceedings of the 2020 Society of Wood Science and Technology International Convention Renewable Resources for a Sustainable and Healthy Future"". s. 327-332. Society of Wood Science and Technology D3 Professional conference proceedings -
Genetic modification of the flavonoid pathway alters growth and reveals flexible responses to enhanced UVB - Role of foliar condensed tannins
Thitz, Paula; Hagerman, Ann E; Randriamanana, Tendry R; Virjamo, Virpi; Kosonen, Minna; Lännenpää, Mika; Nyman, Tommi; Mehtätalo, Lauri; Kontunen-Soppela, Sari; Julkunen-Tiitto, Riitta. 2020. Plant-environment interactions. 2021; 2: 1-15 A1 Journal article (refereed), original research -
Growth Responses of Boreal Scots Pine, Norway Spruce and Silver Birch Seedlings to Simulated Climate Warming over Three Growing Seasons in a Controlled Field Experiment
Nissinen, Katri; Virjamo, Virpi; Kilpeläinen, Antti; lkonen, Veli-Pekka; Pikkarainen, Laura; Ärväs, lida-Liina; Kirsikka-aho, Sara; Peltonen, Anna; Sobuj, Norul; Sivadasan, Unnikrishnan; Zhou, Xiao; Ge, Zhen-Ming; Salminen, Timo; Julkunen-Tiitto, Riitta; Peltola, Heli. 2020. Forests. 11: 943 A1 Journal article (refereed), original research -
Revalorization of coffee silverskin as a potential feedstock for antifungal chemicals in wood preservation
Barbero-López, Aitor; Monzó-Beltrán, Juanjo; Virjamo, Virpi; Akkanen, Jarkko; Haapala, Antti. 2020. International biodeterioration and biodegradation. 152: 105011 A1 Journal article (refereed), original research