Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 16: 64 - 68
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.16.015
Research progress on the regulation of stomatal development and movement in plants by light
Received date: 2024-11-27
Online published: 2025-08-28
The research progress related to the regulation of stomatal development and movement by light was summarized. Stomata, as an important channel for the exchange of gas and water between plants and the external environment, their development and movement are regulated by various environmental factors and play a significant role in the photosynthesis of plants. Stomatal development is regulated in a coordinated manner by internal and external environmental signals of plants. There are two hypotheses for the study of stomata’s response to light: one is the direct response of stomata to light, and the other is the indirect stomatal response caused by changes in intercellular CO2 concentration. There are two pathways for the open response of stomata to light: the guard cell-specific blue light response pathway mediated by PHOT1/PHOT2 and the red light response pathway dependent on photosynthesis. Blue light participates in signal transduction through receptors such as PHOT1 and PHOT2, triggering K⁺ ion influx and promoting stomatal opening. Red light mainly participates in stomatal response through mesophyll photosynthesis. The red light response of stomata is an indirect reaction, which is caused by the response of guard cells to the reduction of intercellular CO2 concentration resulting from mesophyll photosynthesis. In addition, green light can inhibit the opening of stomata induced by blue light, and plant hormones can directly regulate the movement of stomata and their response to external signals.
Key words: stomatal development; stomatal movement; guard cells; blue light; red light
ZHANG Xuan . Research progress on the regulation of stomatal development and movement in plants by light[J]. Anhui Agricultural Science Bulletin, 2025 , 31(16) : 64 -68 . DOI: 10.16377/j.cnki.issn1007-7731.2025.16.015
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