vestibИзвестия Национальной академии наук Беларуси. Серия биологических наукProceedings of the National Academy of Sciences of Belarus, Biological Series1029-89402524-230XThe Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1029-8940-2023-68-1-75-88vestib-852Research ArticleАГЛЯДЫREVIEWSБиофизические механизмы внутриклеточной сигнализации (трансдукции) в высших растенияхBiophysical mechanisms of intracellular signaling (transduction) in higher plantsВолотовскийИ. Д.VolotovskiI. D.

Игорь Дмитриевич Волотовский – академик, д-р биол. наук, профессор, гл. науч. сотрудник

ул. Академическая, 27, 220072, г. Минск

Igor D. Volotovski – Academician, D. Sc. (Biol.), Professor, Сhief Researcher

27, Akademicheskaya Str., 220072, Minsk

volotovski@yahoo.comСуховеeваС. В.SukhaveyevaS. V.

Светлана Владимировна Суховеева – науч. сотрудник

ул. Академическая, 27, 220072, г. Минск

Sviatlana V. Sukhaveyeva – Researcher

27, Akademicheskaya Str., 220072, Minsk

suhoveevalmbc@mail.ruКабачевскаяЕ. М.KabachevskayaE. M.

Елена Михайловна Кабачевская – канд. биол. наук, заведующий лабораторией

ул. Академическая, 27, 220072, г. Минск

Elena M. Kabachevskaya – Ph. D. (Biol.), Неad of the Laboratory

27, Akademicheskaya Str., 220072, Minsk

lmbc@ibp.ogr.byИнститут биофизики и клеточной инженерии НАН БеларусиInstitute of Biophysics and Cell Engineering of the National Academy of Sciences of Belarus2023110220236817588Copyright © Волотовский И.Д., Суховеeва С.В., Кабачевская Е.М., 20232023Волотовский И.Д., Суховеeва С.В., Кабачевская Е.М.Volotovski I.D., Sukhaveyeva S.V., Kabachevskaya E.M.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestibio.belnauka.by/jour/article/view/852

В данном обзоре рассматриваются три фундаментальных процесса, протекающих в растительных организмах под влиянием факторов внешней среды (свет и cила тяжести) и имеющих ключевое значение для функционирования растений. В случае света это фитохромная регуляция и фототропизмы, третий рассматриваемый процесс – гравитропизм. Фитохром – фоторегуляторная реакция, при подавлении которой растение не может нормально развиваться. Фoтотропизмы и гравитропизм растениям крайне нужны, и они выработаны в ходе эволюции. Указанные процессы реализуются по одной и той же логической схеме: рецепция стимула – сигнальные процессы в клетке (трансдукция) – собственно биологический эффект. В соответствии с этой схемой осуществлялось и рассмотрение указанных процессов. В результате приведены данные о том, что рецепторные стадии реакций принципиально различаются из-за природы рецепторов. Сигнальные процeссы протекают с участием большого числа низко- и высокомолекулярных медиаторов биофизических, биохимических и генетических реакций. Обращается внимание на то, что одни те же медиаторы представлены в сигнализации, а также в приципиально различающихся по конечному эффекту процессах, что, как предполагается, свидетельствует о наличии в клетке не отдельных для каждого стимула сигнальных цепочек, а регуляторной сети, сформированной на базе вертикальных и горизонтальных цепей трансдукции.

Three fundamental processes running in plant organisms under influence of environment (light, gravity) and key importance were considered. In the light case these are phytоchrome regulation and phototropism considering process is gravitropism. Phytochrome is responsible for regulatory reaction at the inhibition of which the plants cannot be normally developed. The plants do not need phototropism and gravitropism. They were elaborated by evolution as protective reactions to optimize the plant vitality. All these processes are realized according to one and the same logical scheme: stimulus reception, signaling processes in plant cell (transduction) and proper biological effect. According to this scheme the three reactions were considered. As the result the data adout the reception stages are principally different because receptor nature. Signaling processes proceed with participation of many low molecular and high molecular mediators to participate and biophysical, biochemical and genetic reactions. One fact attracts attention that the same mediators are involved to signaling ending by principally different final biological effect.This allows to suggest the existance in plant cell no separate chains for each stimulus but regulatory network formed by lateral and horizontal transduction chains.

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The authors declare that there are no conflicts of interest present.