Occurrence, structure, and function of short cells in maize leaf epidermis

Copyright © 2023 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 206(2024) vom: 01. Jan., Seite 108200
1. Verfasser: Dong, He (VerfasserIn)
Weitere Verfasser: Xu, Chongmei, Zhang, Chengtao, Zhang, Li, Yao, Yaqin, Zhang, Suiqi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Cork cells H(2)O(2) K(+) Short cells Silica cells Hydrogen Peroxide BBX060AN9V Silicon Dioxide 7631-86-9
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520 |a Short cells are specialised epidermal cells of grasses and they include cork and silica cells. The time of occurrence, distribution, and number of short cells differ among plants or tissues of the same plant. The present study aimed to assess the occurrence, structure, and function of short cells in the epidermis of maize (Zea mays L.) leaves from cultivar "Zhengdan 958″ under field and potted experimental conditions. Results showed that short cells occurred synchronously in multiple maize leaves. Few short cells occurred at the base of the fifth leaf; most were found at the middle and base of the sixth leaf, and throughout the seventh leaf. The accumulation of K+ and H2O2 in cork cells changed periodically with stomatal opening and closure, which was consistent with the accumulation of K+ and H2O2 in subsidiary cells; whereas no accumulation was observed in silica cells. Moreover, photosynthetic parameters and stomatal aperture were significantly higher in leaves containing short cells than in those without them in the same parts of different leaves or in different leaves at the same leaf position. Accumulation of K+ and H2O2 in cork cells increased with increasing water stress. In conclusion, short cells not only improved leaf mechanical support and photosynthetic performance, and maize drought resistance, but they also participated in stomatal regulation 
650 4 |a Journal Article 
650 4 |a Cork cells 
650 4 |a H(2)O(2) 
650 4 |a K(+) 
650 4 |a Short cells 
650 4 |a Silica cells 
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650 7 |a BBX060AN9V  |2 NLM 
650 7 |a Silicon Dioxide  |2 NLM 
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700 1 |a Xu, Chongmei  |e verfasserin  |4 aut 
700 1 |a Zhang, Chengtao  |e verfasserin  |4 aut 
700 1 |a Zhang, Li  |e verfasserin  |4 aut 
700 1 |a Yao, Yaqin  |e verfasserin  |4 aut 
700 1 |a Zhang, Suiqi  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Plant physiology and biochemistry : PPB  |d 1991  |g 206(2024) vom: 01. Jan., Seite 108200  |w (DE-627)NLM098178261  |x 1873-2690  |7 nnas 
773 1 8 |g volume:206  |g year:2024  |g day:01  |g month:01  |g pages:108200 
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