Gregory Pozhvanov

Author Identifiers: Web of Science ResearcherID, Scopus Author ID, Russian Science Citation Index, ORCID iD, Google Scholar

Academic degree, academic title: Ph.D.

Position: Senior Researcher

E-mail: pozhvanov@binran.ru

Research interests:

Metabolomics of plants and fungi, metabolite profiling.
Gravireception in plants, plant polar growth and development, cytoskeleton.
Web-GIS for nature protection.

Keywords: Metabolomics, cytoskeleton, gravitropism, polarity, plant development

Education and work experience:

2003-2007 – Bachelor of Science in Plant Biology, Department of Plant Physiology and Biochemistry, St. Petersburg State University, Russia. Graduated with Honors.
2007-2009 – Master of Science in Cell Biology / Nanobiology, Department of Cytology and Histology, and Department of Plant Physiology and Biochemistry, Saint-Petersburg State University, interfaculty curriculum in the field of Nanobiology, Faculty of Biology and Soil Sciences and Faculty of Chemistry, St. Petersburg State University, Russia. Graduated with Honors.
2012 – PhD in Plant Physiology and Biochemistry. Thesis title: «The role of phytohormones and actin cytoskeleton in the regulation of gravitropism in Arabidopsis». Supervisor: Prof. Dr. Sergei S. Medvedev (Saint-Petersburg State University, Russia).

2010-2012 — Research Scientist in Komarov Botanical Institute RAS.
2012-2020 — Assistant Lecturer at the department of Plant Physiology and Biochemistry, St. Petersburg State University.
2020 – until now – Senior Researcher, laboratory of Arctic vegetation dynamics, laboratory of analytical phytochemistry, Komarov Botanical Institute RAS.

Grants and research projects:

Project leader:

2016. SPSU–DAAD 310508 «Study of metabolic adjustments during Arabidopsis gravitropic response».
2015. SPSU–DAAD 275133 «Metabolite profiling of Arabidopsis gravitropic response».

Member of research team:

2020-2021. Grant of the Russian Science Foundation № 20-16-00086 «Development of new approaches to plant drought stress tolerance based on molecular-genetic analysis of loss of drought resistance in germinating Pisum sativum L. seeds». Project leader: Prof. S.S. Medvedev.
2020-2021. RFBR № 20-04-01041 «Mechanisms of polar growth in plants under randomized vector of gravity». Project leader: Prof. S.S. Medvedev.
2019-2021. RFBR № 19-04-00424 «A novel function of mannans as the key for understanding the evolution of cell walls in terrestrial plants». Project leader: D.V. Suslov.
2017-2019. RFBR № 17-04-00862 «Mechanisms of plants adaptation to microgravity simulated by 3D-clinorotation». Project leader: Prof. S.S. Medvedev.
2017-2018. RFBR № 16-16-00026 «Mechanisms of Pisum sativum L. Seeds resistance to oxidative stress and glycooxidation damage of proteins during storage». Project leader: Prof. S.S. Medvedev.
2015-2017. RFBR № 15-04-04075 «Role of cell walls in the control of plant gravitropism». Project leader: D.V. Suslov.
2014-2016. RFBR № 14-04-01624 «Cellular basis of polar growth in plants». Project leader: Prof. S.S. Medvedev.

Conferences and workshops:

Organizing committee:

4th International Symposium on Plant Signaling and Behavior. Russia, Saint-Petersburg, 2016. Organizing committee.

Attendee:

«Small Molecules in Plant Research» Symposium. Valencia, Spain, December 10-11, 2019. Oral presentation.
10th International Conference «Photosynthesis and Hydrogen Energy Research for Sustainability-2019». Saint Petersburg, Russia, June 23-28, 2019. Oral presentation.
9th Congress of Russian Society of Plant Physiologists. Kazan, Russia, September 18-24, 2019. Flash presentation.
8th Congress of Russian Society of Plant Physiologists. Petrozavodsk, Russia, September 21-26, 2015. Oral presentation, Round table host.
40th COSPAR Assembly. Moscow, Russia, August 2-10, 2014. Report.
Workshop on Experimental human bioregenerative life support systems. Beijing, China, December 2-4, 2013. Oral presentation.
SCGIS Russia Conference. Moscow, Russia, September 28-29, 2013. Oral presentation.
1st International Symposium «Molecular features of plant redox metabolism». Kazan, Russia, September, 17-22, 2013. Oral presentation.
FESPB 2012 Congress, Plant Biology in Space Satellite Symposium. Frieburg, Germany, July 29 – August 3, 2012. Invited report.
7th Congress of Russian Society of Plant Physiologists. Nizhny Novgorod, Russia, July 4-10, 2011. Oral presentation.

Professional memberships:

Selected publications:

Pozhvanov G., Sharova E., Medvedev S. Microgravity modelling by two-axial clinorotation leads to scattered organisation of cytoskeleton in Arabidopsis seedlings. Functional Plant Biology. 2021. 48(10): 1062-1073.

Demidchik V.V., Shashko A.Y., ... Pozhvanov G.A. et al. Plant Phenomics: Fundamental Bases, Software and Hardware Platforms, and Machine Learning. Russian Journal of Plant Physiology. 2020. 67: 397-412.

Pozhvanov G. Visualization and analysis of actin cytoskeleton organization in plants. Biological Communications. 2018. 63(1): 59-69.

Mokshina N., Gorshkov O., Ibragimova N., Pozhvanov G., Gorshkova T. Screenplay of flax phloem fiber behavior during gravitropic reaction. Plant Signaling and Behavior. 2018. 13(6): e1486144.

Medvedev S., Pozhvanov G. Department of Plant Physiology and Biochemistry of Saint Petersburg State University celebrates 150th anniversary. Biological Communications. 2018. 63(1): 5-8.

Pozhvanov G.A., Klimenko N.S., Bilova T.E., Shavarda A.L., Medvedev S.S. Ethylene-dependent adjustment of metabolite profiles in Arabidopsis thaliana seedlings during gravitropic response. Russian Journal of Plant Physiology. 2017. 64(6): 906-918.

Pozhvanov G.A., Gobova A.E., Bankin M.P., Vissenberg K., Medvedev S.S. Ethylene is involved in the actin cytoskeleton rearrangement during the root gravitropic response of Arabidopsis thaliana. Russian Journal of Plant Physiology. 2016. 63(5): 587-596.

Demidchik V., Straltsova D., Medvedev S., Pozhvanov G., Sokolik A., Yurin V. Stress-induced electrolyte leakage: the role of K+-permeable channels and involvement in programmed cell death and metabolic adjustment. Journal of Experimental Botany. 2014. 65(1): 1-12.

Pozhvanov G. A., Shavarda A. L., Medvedev S. S. Quantitative analysis of IAA in DR5::GUS transgenic Arabidopsis plants. Russian Journal of Plant Physiology. 2013. 60(3): 431-436.

Pozhvanov G., Suslov D., Medvedev S. Actin cytoskeleton reorganization during the gravitropic response of Arabidopsis roots. Cell and Tissue Biology. 2013. 7(2): 185-191.

Pozhvanov G., Suslov D., Medvedev S. Actin cytoskeleton reorganization during Arabidopsis root gravistimulation. Proceedings of Tomsk State University. 2010. 275: 305-308.

Pozhvanov G., Medvedev S. Auxin quantification based on histochemical staining of GUS under the control of auxin-responsive promoter. Russian Journal of Plant Physiology. 2008. 55(5): 706-711.