Saijaliisa Kangasjärvi
PhD
saijaliisa.kangasjarvi@utu.fi +358 29 450 4204 +358 50 430 4639 Itäinen Pitkäkatu 4 C Turku |
Plant stress responses; organelle biology; light signalling; regulatory networks; plant metabolism
I worked as a senior lecturer in the Molecular Plant Biology unit at the Department of Biochemistry 2014-2020. In September 2020 I was appointed as Associate Professor in Translational Plant Science at the University of Helsinki. In parallel to my teaching activities, I also run a research program entitled “Cross-talk between light acclimation and defence reactions in plants“. This research was first promoted by a research grant from the Finnish Cultural Foundation in 2008 and by an Academy Research Fellowship for 2009-2014. I was also affiliated as a PI in the Center of Excellence “Moloecular Biology of Primary Producers”, 2014-2019. At the University of Turku, my main emphasis was on metabolic regulation in plant immunity, which is funded by an Academy of Finland research grant for 2017-2021. My activities also include participation in scientific congresses, international evaluation panels and PhD committees, and organisation of international scientific meetings. In addition, I am a member in the council for Scandinavian Plant Physiology Society (SPPS) and in the Biocity Turku research programme “Advanced Bioresources and Smart Bioproducts - Towards Sustainable Bioeconomy”.
My research focuses on stress resistance in plants. Ensuring nutritional security for the urbanizing world population will depend on the availability of disease-resistant crops with high post-harvest quality and yield. Plant resistance to environmental stress relies on mechanisms that sense, signal and respond to external cues, but the molecular mechanisms that execute appropriate defensive measures are not yet fully understood. During evolution, plants have evolved an amazing diversity of species-specific chemical defences, which can protect photosynthetic tissues against light-induced damage or prevent pathogens and pests from colonizing host plant tissues. Such plant-derived natural compounds also offer significant medicinal, health-promoting and sensory properties for mankind. The overall aim of our research is to elucidate regulatory networks underlying stress resistance in plants. Special attention is paid for light-dependent regulation of defensive measures, notably the formation of deterring secondary metabolites and their applicability in nutrition and medicine.
My research and teaching post included basic degree education as well as supervision of research projects and training of Finnish and international post-docs, PhD students and Master’s students, as well as trainees from the polytechnics. In basic degree education, I acted as a personal teacher tutor for biochemistry students, whose studies and personal development I supported by meeting and discussing in person. My contact teaching hours included basic and advanced lectures in molecular plant biology as well as practical courses in molecular biology and proteomics. In doctoral training, I participated in teaching of transferrable skills on courses organized by the University of Turku Doctoral Programme.
- Arabidopsis ANGULATA10 is required for thylakoid biogenesis and mesophyll development. (2014)
- Journal of Experimental Botany
- Effects of light and the regulatory B-subunit composition of protein phosphatase 2A on the susceptibility of Arabidopsis thaliana to aphid (Myzus persicae) infestation (2014)
- Frontiers in Plant Science
- Photosynthetic light reactions--an adjustable hub in basic production and plant immunity signaling. (2014)
- Plant Physiology and Biochemistry
- Signalling crosstalk in light stress and immune reactions in plants (2014)
- Philosophical Transactions B: Biological Sciences
- The protein phosphatase subunit PP2A‐B′ γ is required to suppress day length‐dependent pathogenesis responses triggered by intracellular oxidative stress (2014)
- New Phytologist
- Antagonistic Regulation of Flowering Time through Distinct Regulatory Subunits of Protein Phosphatase 2A (2013)
- PLoS ONE
- Apoplastic and Chloroplastic Redox Signaling Networks in Plant Stress Responses (2013)
- Antioxidants and Redox Signaling
- Functional Redundancy and Divergence within the Arabidopsis RETICULATA-RELATED Gene Family (2013)
- Plant Physiology
- PGR5 ensures photosynthetic control to safeguard photosystem I under fluctuating light conditions (2013)
- Plant Signaling and Behavior
- Phylogenetic viewpoints on regulation of light harvesting and electron transport in eukaryotic photosynthetic organisms (2013)
- Planta
- Systemic Signaling in Light Acclimation of Leaves (2013) Long-Distance Systemic Signaling and Communication in Plants Konert G, Rahikainen M, Trotta A, Kangasjärvi S
- Multiple strategies to prevent oxidative stress in Arabidopsis plants lacking the malate valve enzyme NADP-malate dehydrogenase (2012)
- Journal of Experimental Botany
- Photosynthesis, photorespiration, and light signalling in defence responses (2012)
- Journal of Experimental Botany
- PROTON GRADIENT REGULATION5 Is Essential for Proper Acclimation of Arabidopsis Photosystem I to Naturally and Artificially Fluctuating Light Conditions (2012)
- Plant Cell
- Steady-State Phosphorylation of Light-Harvesting Complex II Proteins Preserves Photosystem I under Fluctuating White Light (2012)
- Plant Physiology
- STN7 operates in retrograde signaling through controlling redox balance in the electron transfer chain (2012)
- Frontiers in Plant Science
- Knock-down of protein phosphatase 2A subunit B'γ promotes phosphorylation of CALRETICULIN 1 in Arabidopsis thaliana (2011)
- Plant Signaling and Behavior
- Regulatory Subunit B ' gamma of Protein Phosphatase 2A Prevents Unnecessary Defense Reactions under Low Light in Arabidopsis (2011)
- Plant Physiology
- Role of Thylakoid ATP/ADP Carrier in Photoinhibition and Photoprotection of Photosystem II in Arabidopsis (2010)
- Plant Physiology
- Stress Signaling III: Reactive Oxygen Species (ROS) (2010) Abiotic Stress Adaptation in Plants - Physiological, Molecular and Genomic Foundation Brosché M, Overmyer K, Wrzaczek M, Kangasjärvi J, Kangasjärvi S