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"10.29235/1029-8940-2019-64-4-448-455vestib-537Research ArticleСтатьиСуточный ритм роста листьев и пролиферации клеток у перца стручкового (Capsicum annuum L.)The diel rhythm of leaf growth and cell proliferation in capsicum (Capsicum annuum L.)КоломиецO. O.KolomietsO. O.

Коломиец Олег Олегович – аспирант

ул. Курчатова, 10, 220030, г. Минск

Oleg O. Kolomiets – Postgraduate student

10, Kurchatov Str., 220030, Minsk

oleg_inna.90@mail.ruГлушенC. В.GloushenS. V.

Глушен Сергей Витальевич – кандидат биологических наук, доцент

ул. Курчатова, 10, 220030, г. Минск

 

Sergey V. Gloushen – Ph. D. (Biol.), Assistant professor

10, Kurchatov Str., 220030, Minsk

sgloush@gmail.comБелорусский государственный университетBelarusian State University201907112019644448455Copyright © Коломиец O.O., Глушен C.В., 20192019Коломиец O.O., Глушен C.В.Kolomiets O.O., Gloushen S.V.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/537

С помощью метода, основанного на компьютерном анализе изображений, исследована взаимосвязь между суточным ростом листьев стручкового перца (Capsicum annuum L.) и пролиферативной активностью образующих эти органы клеток. Установлено, что наблюдаемая у этого вида динамика роста листьев позволяет отнести его ко второму типу суточного роста двудольных растений, который отличается максимумом прироста вечером или в начале ночи. Исследование клеток листьев с помощью цитометрии ДНК показывает, что их пролиферативная активность также выше ночью, чем днем. Это позволяет предположить, что суточный ритм роста листьев стручкового перца обусловлен синхронизацией клеточного цикла с помощью освещения.

Relationship between the diel leaf growth of capsicum and proliferative activity of cells has been investigated using a computer-aided image analysis. It has been established the leaf growth pattern observed in this species allows to refer it to the second type of growth of dicotyledons, which is characterized by the maximum growth rate in the evening or at the beginning of the night. A DNA cytometry study of leaf cells shows that their proliferative activity is also higher at night than during the day. This suggests that the diel rhythm of capsicum leaf growth is due to the synchronization of cell cycle with a lighting.

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