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2022 Speakers

Namik Rashydov

Namik Rashydov, Speaker at Plant Science Conferences
Institute Cell Biology and Genetic Engineering of NAS of Ukraine, Ukraine
Title : Evaluation of prion-like proteins synthesis of the plant under influence stress factors


The prion-like proteins have a unique biochemical memory through destructive self-organizing changes of conformation and function. They have a general biological nature, and their behavior was widely studied in mammals, bacteria, and fungi. Recently, we and other authors suggested that stress factors might cause prion-like properties in plant proteins. However, available data is preliminary and hardly convincing. Therefore, it is timely to explore if selected plant proteins, having crucial biochemical functions, such as cupins, auxin-binding proteins, RuBisCo and other photosynthetic proteins, can acquire prion-like properties due to influence of the chronic stress factors.  

The aim of our study is the transition of the α-structure to β-conformation in proteins and the appearance of amyloid aggregates in plant cells challenged by suboptimal conditions under influence abiotic stress factors using state-of-the-art proteomics, microscopy, and molecular biology. Our previous studies showed that under chronic irradiation in the Chernobyl zone flax accumulates proteins with prion-like properties (Gábrišová et al., 2016). Moreover, we demonstrated with FTIR spectrometry that in X-ray-irradiated Arabidopsis thaliana transition of the α-state of proteins to β-conformation increased by 12% (Litvinov et al., 2018). Changing the conformation of proteins and increasing the relative proportion of β-sheets compared to the α-helices, which are dominant in proteins at the normal conditions, is a sign nascent of prion-like proteins in plants species.


Professor Namik Rashydov since 2003 till present – Head of Laboratory of Biophysics of Signal Systems, Institute of Cell Biology and Genetic Engineering, National Academy of Sciences of Ukraine, Department of Biophysics and Radiobiology, Kyiv; International scholarships/ trainings: FP7 Program People Marie Curie Actions International Research Staff Exchange Scheme (IRSES 2013-2017, #612587), PI. Short-term research visits to Gottingen University (Germany), Institute of Plant Genetics and Biotechnology, Slovak Academy of Sciences (Nitra, Slovakia), Aberystwyth University (Aberystwyth, UK), Institute of Experimental Botany, Czech Academy of Sciences (Prague, Czech Republic). Speaker and participant of several NATO Advanced Training Courses (2005, 2006, 2007, 2009, 2010, supported by NATO travel grants), Speaker of the conferences: PSB 2016 (St.-Petersburg), SEAB 2016 (Antalya), IPC 2016 (Berlin), SEAB 2017 (Minsk), Institute of Experimental Botany 2017 (Prague), Zhytomyr University 2018 (Ukraine), 6th Edition of Global Congress on Plant Biology and Biotechnology, Paris, 2022. Speaker of the training course “Molecular Aspects of Salt and Drought Tolerance in Crops (Plants)”, Genetic Engineering Research Center (GERC), Faculty of Agriculture, Cairo University, Egypt, 2007. He has published more than 200 research articles.

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