ON THE POSSIBILITY OF INFLUENCE OF CELL SURFACE RELIEF ON STOMATAL MOVEMENTS

A. A. Pautov; Паутов А. А.; E. G. Krylova; Крылова Е. Г.; Yu. O. Sapach; Сапач Ю. О.; O. V. Yakovleva; Яковлева О. В.; K. A. Akhmetgaleeva; Ахметгалеева К. А.; I. A. Pautova; Паутова И. А.

doi:10.31857/S0006813623030109

ON THE POSSIBILITY OF INFLUENCE OF CELL SURFACE RELIEF ON STOMATAL MOVEMENTS

Authors: Pautov A.A.¹, Krylova E.G.¹, Sapach Y.O.¹, Yakovleva O.V.², Akhmetgaleeva K.A.¹, Pautova I.A.²
Affiliations:
1. St. Petrsburg State University
2. V.L. Komarov Botanical Institute RAS
Issue: Vol 108, No 3 (2023)
Pages: 248-256
Section: COMMUNICATIONS
URL: https://journals.rcsi.science/0006-8136/article/view/134489
DOI: https://doi.org/10.31857/S0006813623030109
EDN: https://elibrary.ru/VQYPEW
ID: 134489

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Abstract
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Abstract

Folds are often present on the surface of stomatal complex cells. This allows us to assume that the folds influence stomatal movements. To evaluate the validity of this assumption, the stomatal complexes with various surface reliefs of their cells were studied, namely the complexes with lateral folds, with marginal stomatal rings, with rings of ledges, with peristomatal rims, as well as those with folds located on subsidiary and ordinary epidermal cells without any obvious order, in Acokanthera oblongifolia, Acokanthera oppositifolia, Prunus laurocerasus, Populus tremula, Osmanthus yunnanensis, Raphiolepis ×delacourii, and Ternstroemia gymnanthera. In all the studied species, stomatal deformations depending on the presence of microrelief folds were observed. Since deformation processes are the basis of stomatal movements, it is possible to conclude that surface folds of stomatal complex cells are structural features of these cells capable of influencing the mechanics of stomatal movements.

Keywords

stomatal complex, guard cell, subsidiary cell, folds of surface, stomatal movements

References

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