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Umeå universitet
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Huvudmenyn dold.
Personalbild Gunnar Öquist

Gunnar Öquist

Kontakt

E-post
gunnar.oquist@umu.se
Telefon

Verksam vid

Anknytning
Anknuten som professor emeritus till Institutionen för fysiologisk botanik Enhet: Umeå Plant Science Centre - UmU
Plats
KB. K3 (Fys. Bot.), Artedigränd 7, Fysiologisk botanik, UPSC, KB. K3 (B3-16-45) Umeå universitet, 901 87 Umeå
David (Dave) Charles Fork (1929–2020): a gentle human being, a great experimenter, and a passionate researcher
Photosynthesis Research, Springer Netherlands 2023, Vol. 155, (1) : 107-125
Govindjee, Govindjee; Peterson, Laurie Fork; Satoh, Kazuhiko; et al.
The decreased PG content of pgp1 inhibits PSI photochemistry and limits reaction center and light-harvesting polypeptide accumulation in response to cold acclimation
Planta, Springer 2022, Vol. 255, (2)
Ivanov, Alexander G.; Krol, Marianna; Savitch, Leonid V.; et al.
Wah Soon Chow, a teacher, a friend and a colleague
Photosynthesis Research, Springer 2021, Vol. 149, (1-2) : 253-258
Zavafer, Alonso; Losciale, Pasquale; Öquist, Gunnar; et al.
Contrasting acclimation abilities of two dominant boreal conifers to elevated CO2 and temperature
Plant, Cell and Environment, Vol. 41, (6) : 1331-1345
Kurepin, Leonid V.; Stangl, Zsofia R.; Ivanov, Alexander G.; et al.
Why are some nations more successful than others in research impact?: a comparison between Denmark and Sweden
Incentives and Performance: Governance of Research Organizations, Springer 2015 : 241-257
Öquist, Gunnar; Benner, M.
Quantifying and monitoring functional photosystem II and the stoichiometry of the two photosystems in leaf segments: approaches and approximations
Photosynthesis Research, Dordrecht: Springer 2012, Vol. 113, (1-3) : 63-74
Chow, Wah Soon; Fan, Da-Yong; Oguchi, Riichi; et al.
Implications of alternative electron sinks in increased resistance of PSII and PSI photochemistry to high light stress in cold-acclimated Arabidopsis thaliana
Photosynthesis Research, Dordrecht: 2012, Vol. 113, (1-3) : 191-206
Ivanov, A. G.; Rosso, D.; Savitch, L. V.; et al.
Restricted capacity for PSI-dependent cyclic electron flow in Delta petE mutant compromises the ability for acclimation to iron stress in Synechococcus sp PCC 7942 cells
Biochimica et Biophysica Acta - Bioenergetics, Vol. 1817, (8) : 1277-1284
Ivanov, AG; Sane, PV; Simidjiev, I; et al.
Thermoluminescence
Photosynthesis: Plastid Biology, Energy Conversion and Carbon Assimilation, Springer Netherlands 2012 : 445-474
Sane, Prafullachandra Vishnu; Ivanov, Alexander G.; Öquist, Gunnar; et al.
Regulation of energy partitioning and alternative electron transport pathways during cold acclimation of lodgepole pine is oxygen dependent
Plant and Cell Physiology, Vol. 51, (9) : 1555-1570
Savitch, Leonid V.; Ivanov, Alexander G.; Krol, Marianna; et al.
Reaction centre quenching of excess light energy and photoprotection of photosystem II
Journal of Plant Biology, Vol. 51, (2) : 85-96
Ivanov, Alexander G; Hurry, Vaughan; Sane, Prafullachandra Vishnu; et al.
Photosystem II reaction centre quenching: mechanisms and physiological role
Photosynthesis Research, Springer Netherlands 2008, Vol. 98, (1-3) : 565-574
Ivanov, Alexander G.; Sane, Prafullachandra V.; Hurry, Vaughan; et al.
A tribute to Per Halldal (1922-1986), a Norwegian photobiologist in Sweden.
Photosynthesis Research, Vol. 92, (1) : 7-11
Björn, Lars Olof; Sundqvist, Christer; Öquist, Gunnar
The induction of CP43' by iron-stress in Synechococcus sp. PCC 7942 is associated with carotenoid accumulation and enhanced fatty acid unsaturation.
Biochimica et Biophysica Acta, Vol. 1767, (6) : 807-13
Ivanov, Alexander G; Krol, Marianna; Selstam, Eva; et al.
Cold acclimation of the Arabidopsis dgd1 mutant results in recovery from photosystem I-limited photosynthesis.
FEBS Letters, Vol. 580, (20) : 4959-68
Hendrickson, Luke; Vlcková, Alexandra; Selstam, Eva; et al.
Photoprotection of Photosystem II: Reaction center quenching versus antenna quenching
Photoprotection, Photoinhibition, Gene Regulation and Environment, Springer 2006 : 155-174
Huner, Norman P A; Ivanov, Alexander G; Sane, Prafullachandra Vishnu; et al.
Digalactosyl-diacylglycerol deficiency impairs the capacity for photosynthetic intersystem electron transport and state transitions in Arabidopsis thaliana due to photosystem I acceptor-side limitations.
Plant Cell Physiology, Vol. 47, (8) : 1146-57
Ivanov, Alexander G; Hendrickson, Luke; Krol, Marianna; et al.
Characterization of the photosynthetic apparatus in cortical bark chlorenchyma of Scots pine.
Planta, Vol. 223, (6) : 1165-77
Ivanov, Alexander G; Krol, Marianna; Sveshnikov, Dimitri; et al.
Iron deficiency in cyanobacteria causes monomerization of photosystem I trimers and reduces the capacity for state transitions and the effective absorption cross section of photosystem I in vivo.
Plant Physiology, Vol. 141, (4) : 1436-45
Ivanov, Alexander G; Krol, Marianna; Sveshnikov, Dmitry; et al.
Acclimation to temperature and irradiance modulates PSII charge recombination.
FEBS Letters, Vol. 580, (11) : 2797-802
Ivanov, Alexander G; Sane, Prafullachandra Vishnu; Krol, Marianna; et al.
Excitation energy partitioning and quenching during cold acclimation in Scots pine.
Tree Physiology, Vol. 26, (3) : 325-36
Sveshnikov, Dmitry; Ensminger, Ingo; Ivanov, Alexander G; et al.
Intermittent low temperatures constrain spring recovery of photosynthesis in boreal Scots pine forests
Global Change Biology, Vol. 10, (6) : 995-1008
Ensminger, Ingo; Sveshnikov, Dmitry; Campbell, Douglas A.; et al.
Segregation of the photosystems in higher plant thylakoids and short- and long-term regulation by a mesoscopic approach
Journal of Theoretical Biology, Vol. 225, (4) : 431-441
Borodich, A; Rojdestvenski, I; Cottam, M; et al.
Segregation of the photosystems in thylakoids depends on their size
Biochimica et Biophysica Acta - Bioenergetics, Vol. 1606, (1-3) : 73-82
Borodich, A; Rojdestvenski, I; Cottam, M; et al.
Low-temperature modulation of the redox properties of the acceptor side of photosystem II: photoprotection through reaction centre quenching of excess energy
Physiologia Plantarum, Vol. 119, (3) : 376-383
Ivanov, A G; Sane, P; Hurry, Vaughan; et al.
Daily photosynthetic and C-export patterns in winter wheat leaves during cold stress and acclimation
Physiologia Plantarum, Vol. 117, (4) : 521-531
Leonardos, E D; Savitch, L V; Huner, N P A; et al.
Thermodynamics of complexity
Physica A: Statistical Mechanics and its Applications, Vol. 320 : 318-328
Rojdestvenski, I; Cottam, M G; Oquist, Gunnar; et al.
Changes in the redox potential of primary and secondary electron-accepting quinones in photosystem II confer increased resistance to photoinhibition in low-temperature-acclimated arabidopsis
Plant Physiology, Vol. 132, (4) : 2144-2151
Sane, P V; Ivanov, A G; Hurry, Vaughan; et al.
Photosynthesis of overwintering evergreen plants
Annual Review of Plant Physiology and Plant Molecular Biology, Vol. 54 : 329-355
Öquist, Gunnar; Huner, Norman P.A.
Seasonal responses of photosynthetic electron transport in Scots pine (Pinus sylvestris L.) studied by thermoluminescence
Planta, Vol. 215, (3) : 457-465
Ivanov, A G; Sane, P V; Zeinalov, Y; et al.
Segregation of photosystems in thylakoid membranes as a critical phenomenon
Biophysical Journal, Vol. 82, (4) : 1719-1730
Rojdestvenski, I; Ivanov, A G; Cottam, M G; et al.
Iron stress responses in the cyanobacterium Synechococcus sp PCC7942
Physiologia Plantarum, Vol. 116, (2) : 255-263
Sandstrom, S; Ivanov, A G; Park, Y I; et al.
A transient exchange of the photosystem II reaction center protein D1: 1 with D1 : 2 during low temperature stress of Synechococcus sp PCC 7942 in the light lowers the redox potential of Q(B)
Journal of Biological Chemistry, Vol. 277, (36) : 32739-32745
Sane, P V; Ivanov, A G; Sveshnikov, D; et al.
Two different strategies for light utilization in photosynthesis in relation to growth and cold acclimation
Plant, Cell and Environment, Vol. 25, (6) : 761-771
Savitch, L V; Leonardos, E D; Krol, M; et al.
Photosynthetic electron transport adjustments in overwintering Scots pine (Pinus sylvestris L.)
Planta, Vol. 213, (4) : 575-585
Ivanov, A G; Sane, P V; Zeinalov, Y; et al.
CP43 ', the isiA gene product, functions as an excitation energy dissipator in the cyanobacterium Synechococcus sp PCC 7942
Photochemistry and Photobiology, Vol. 74, (3) : 431-437
Sandstrom, S; Park, Y I; Oquist, Gunnar; et al.
Cold acclimation of Arabidopsis thaliana results in incomplete recovery of photosynthetic capacity, associated with an increased reduction of the chloroplast stroma
Planta, Vol. 214, (2) : 295-303
Savitch, L V; Barker-Astrom, J; Ivanov, A G; et al.
Iron stress restricts photosynthetic intersystem electron transport in Synechococcus sp, PCC 7942
FEBS Letters, Vol. 485, (2-3) : 173-177
Ivanov, A G; Park, Y I; Miskiewicz, E; et al.
A two-dimensional many-body system with competing interactions as a model for segregation of photosystems in thylakoids of green plants
European Biophysics Journal, Vol. 29, (3) : 214-220
Rojdestvenski, I; Ivanov, A G; Cottam, M G; et al.
A carbonic anhydrase catalyzed CO2 pump in Chlamydomonas reinhardtii: In vivo experiments, computer modelling, and theory
Russian journal of plant physiology, Vol. 47, (5) : 613-621
Rojdestvenski, I; Park, Y I; Karlsson, Jan; et al.
Oxygen-dependent electron flow influences photosystem II function and psbA gene expression in the cyanobacterium Synechococcus sp PCC 7942
Physiologia Plantarum, Vol. 105, (4) : 746-755
Campbell, D; Clarke, A K; Gustafsson, Petter; et al.
Role of a novel photosystem II-associated carbonic anhydrase in photosynthetic carbon assimilation in Chlamydomonas reinhardtii
FEBS Letters, Vol. 444, (1) : 102-105
Park, Y I; Karlsson, Jan; Rojdestvenski, I; et al.
Expression of the isiA gene is essential for the survival of the cyanobacterium Synechococcus sp PCC7942 by protecting photosystem II from excess light under iron limitation
Molecular Microbiology, Vol. 32, (1) : 123-129
Park, Y I; Sandstrom, S; Gustafsson, Petter; et al.
Robustness and time-scale hierarchy in biological systems
Biosystems (Amsterdam. Print), Vol. 50, (1) : 71-82
Rojdestvenski, I; Cottam, M; Park, Y I; et al.
The cyanobacterium Synechococcus resists UV-B by exchanging photosystem II reaction-center D1 proteins
Proceedings of the National Academy of Sciences of the United States of America, Vol. 95, (1) : 364-369
Campbell, D; Eriksson, Mats-Jerry; Oquist, Gunnar; et al.
Chlorophyll fluorescence analysis of cyanobacterial photosynthesis and acclimation
Microbiology and molecular biology reviews, Vol. 62, (3) : 667-+
Campbell, D; Hurry, Vaughan; Clarke, A K; et al.
Membrane lipid composition and restoration of photosynthesis during low temperature acclimation in Synechococcus sp. strain PCC 7942
Physiologia Plantarum, Vol. 104, (3) : 405-412
Porankiewicz, J; Selstam, E; Campbell, D; et al.
Active oxygen scavengers during cold acclimation of Scots pine seedlings in relation to freezing tolerance
Cryobiology, Vol. 37, (1) : 38-45
Tao, D L; Oquist, Gunnar; Wingsle, Gunnar
A cyanobacterium resists UV-B by exchanging Photosystem II D1 proteins.
Plant Physiology, Vol. 114, (3) : 30004-30004
Campbell, D; Eriksson, Mats-Jerry; Gustafsson, Petter; et al.
Primary carbon metabolism in Phaseolus vulgaris plants under Cd/Fe interaction
Plant physiology and biochemistry (Paris), Vol. 35, (12) : 951-957
Siedlecka, A; Krupa, Z; Samuelsson, Göran; et al.
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