Regulation of stomatal development by epidermal, subepidermal and long-distance signals.

IF 3.9 2区 生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY Plant Molecular Biology Pub Date : 2024-06-28 DOI:10.1007/s11103-024-01456-7
Liang Chen
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Abstract

Plant leaves consist of three layers, including epidermis, mesophyll and vascular tissues. Their development is meticulously orchestrated. Stomata are the specified structures on the epidermis for uptake of carbon dioxide (CO2) while release of water vapour and oxygen (O2), and thus play essential roles in regulation of plant photosynthesis and water use efficiency. To function efficiently, stomatal formation must coordinate with the development of other epidermal cell types, such as pavement cell and trichome, and tissues of other layers, such as mesophyll and leaf vein. This review summarizes the regulation of stomatal development in three dimensions (3D). In the epidermis, specific stomatal transcription factors determine cell fate transitions and also activate a ligand-receptor- MITOGEN-ACTIVATED PROTEIN KINASE (MAPK) signaling for ensuring proper stomatal density and patterning. This forms the core regulation network of stomatal development, which integrates various environmental cues and phytohormone signals to modulate stomatal production. Under the epidermis, mesophyll, endodermis of hypocotyl and inflorescence stem, and veins in grasses secrete mobile signals to influence stomatal formation in the epidermis. In addition, long-distance signals which may include phytohormones, RNAs, peptides and proteins originated from other plant organs modulate stomatal development, enabling plants to systematically adapt to the ever changing environment.

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表皮、亚表皮和远距离信号对气孔发育的调控。
植物叶片由三层组成,包括表皮、叶肉和维管组织。它们的生长发育都是经过精心安排的。气孔是表皮上吸收二氧化碳(CO2)、释放水蒸气和氧气(O2)的特定结构,因此在调节植物光合作用和水分利用效率方面起着至关重要的作用。气孔的形成必须与铺层细胞和毛状体等其他表皮细胞类型以及叶肉和叶脉等其他层组织的发育相协调,才能有效发挥作用。本综述总结了气孔发育的三维调控。在表皮中,特定的气孔转录因子决定着细胞命运的转变,并激活配体-受体-MITOGEN-活性蛋白激酶(MAPK)信号,以确保适当的气孔密度和形态。这就形成了气孔发育的核心调控网络,它整合了各种环境线索和植物激素信号,以调节气孔的生成。在表皮下,叶肉、下胚轴和花序茎的内皮以及禾本科植物的叶脉会分泌移动信号,影响表皮的气孔形成。此外,来自植物其他器官的远距离信号(可能包括植物激素、核糖核酸、肽和蛋白质)也会调节气孔的发育,使植物能够系统地适应不断变化的环境。
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来源期刊
Plant Molecular Biology
Plant Molecular Biology 生物-生化与分子生物学
自引率
2.00%
发文量
95
审稿时长
1.4 months
期刊介绍: Plant Molecular Biology is an international journal dedicated to rapid publication of original research articles in all areas of plant biology.The Editorial Board welcomes full-length manuscripts that address important biological problems of broad interest, including research in comparative genomics, functional genomics, proteomics, bioinformatics, computational biology, biochemical and regulatory networks, and biotechnology. Because space in the journal is limited, however, preference is given to publication of results that provide significant new insights into biological problems and that advance the understanding of structure, function, mechanisms, or regulation. Authors must ensure that results are of high quality and that manuscripts are written for a broad plant science audience.
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