Anna Maria Pirttilä

Ph.D., Doc.

Senior Researcher
Symbiotic Host-Microbe Interactions

73 peer reviewed publications in international journals. The publications have been cited 3592 times, of which the most cited publication accounts for 520 citations. The author has a h-index of 30.00. (


I have graduated from Biochemistry in 1996 and obtained Ph.D. in Plant Physiology in 2001 from University of Oulu. I have gained post-doctoral experience during 2001- 2004 at Purdue University, IN, USA, and obtained Adjunct Professorship in 2004 at University of Oulu. During 2006-2011 I hosted the reputable Research Fellow position of the Academy of Finland. In 2016, I was the candidate for Scientist of the Year in Finland. Currently I have 8 patents/applications/invention disclosures, and I am an editor in the journals Frontiers in Microbiology, Plant and Soil, and 5 books, and the co-founder of Chain Antimicrobials Ltd. I have supervised 3 Ph.D. theses and, among others, coordinated five major consortia / projects; NAM (New Antimicrobials) and the TEJAM funded by FP7, FAR funded by Business Finland (Tekes), as well as the Methylobacterium and INCELL projects funded by the Academy of Finland.

Pirttilä lab
Chain Antimicrobials Ltd

Research interests

  • Antimicrobials, Biomimetics, Endophytic symbionts, Endosymbiosis, Gut Microbiome, Host-Microbe Interactions, Plant Defense, Plant Development, Plant-associated Microbiome

Selected publications

  • Koivusaari, Pirjo; Pohjanen, Johanna; Wäli, Piippa R.; Ahonen, Saija H.K.; Saravesi, Karita; Markkola, Anna Mari; Haapala, Kaisa; Suokas, Marko; Koskimäki, Janne J.; Tejesvi, Mysore V.; Pirttilä, Anna Maria (2018) Different endophyte communities colonize buds of sprouts compared with mature trees of mountain birch recovered from moth herbivory. - Tree Physiology 38 (9), 1437-1444 . [Original]
  • Pirttilä, Anna Maria (2016) Commentary : agroforestry leads to shifts within the gammaproteobacterial microbiome of banana plants cultivated in Central America. - Frontiers in microbiology 7, 656 . [Original] [Self-archived]
  • Koskimäki, Janne J.; Kajula, Marena; Hokkanen, Juho; Ihantola, Emmi-Leena; Kim, Jong H.; Hautajärvi, Heidi; Hankala, Elina; Suokas, Marko; Pohjanen, Johanna; Podolich, Olga; Kozyrovska, Natalia; Turpeinen, Ari; Pääkkönen, Mirva; Mattila, Sampo; Campbell, Bruce C.; Pirttilä, Anna Maria (2016) Methyl-esterified 3-hydroxybutyrate oligomers protect bacteria from hydroxyl radicals. - Nature chemical biology 12 (5), 332-+ . [Original]
  • Tejesvi, MV; Picart, P; Kajula, M; Hautajarvi, H; Ruddock, L; Kristensen, HH; Tossi, A; Sahl, HG; Ek, S; Mattila, S; Pirttilä, AM (2016) Identification of antibacterial peptides from endophytic microbiome.. - Applied microbiology and biotechnology 100 (21), 9283-9293 . [Original]
  • Kauppinen, Miia; Saikkonen, Kari; Helander, Marjo; Pirttilä, Anna Maria; Wäli, Piippa R. (2016) Epichloe grass endophytes in sustainable agriculture. - Nature Plants 2 (2), 15224 . [Original]
  • Hardoim, Pablo R.; vHardoim, Pablo R.; van Overbeek, Leonard S.; Berg, Gabriele; Pirttilä, Anna Maria; Compant, Stephane; Campisano, Andrea; Doering, Matthias; Sessitsch, Angela (2015) The hidden world within plants: ecological and evolutionary considerations for defining functioning of microbial endophytes. - Microbiology and Molecular Biology Reviews 79 (3), 293-320
  • Koskimäki, Janne J; Pirttilä, Anna Maria; Ihantola, Emmi-Leena; Halonen, Outi; Frank, Carolin (2015) The intracellular Scots pine shoot symbiont Methylobacterium extorquens DSM13060 aggregates around the host nucleus and encodes eukaryote-like proteins.. - mBio 6 (2), 2 . [Original]