Turgor Pressure Support
Turgor Pressure Support - Related Videos
11:18
Use of Atomic Force Microscopy to Measure Mechanical Properties and Turgor Pressure of Plant Cells and Plant Tissues
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Cited by 8 •
2019
Here, we present atomic force microscopy (AFM), operated as a nano- and micro-indentation tool on cells and tissues. The instrument allows the simultaneous acquisition of 3D surface topography of the sample and its mechanical properties, including cell wall Young's modulus as well as turgor pressure.
07:26
Synthesis and Microdiffraction at Extreme Pressures and Temperatures
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Cited by 5 •
2013
The laser heated diamond anvil cell combined with synchrotron micro-diffraction techniques allows researchers to explore the nature and properties of new phases of matter at extreme pressure and temperature (PT) conditions. Heterogeneous samples can be characterized in situ under high pressure by 2D mapping and combined powder, single-crystal and multigrain diffraction approaches.
01:28
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06:10
Preparation of Sample Support Films in Transmission Electron Microscopy using a Support Floatation Block
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Cited by 10 •
2021
Sample preparation for cryo-electron microscopy (cryo-EM) is a significant bottleneck in the structure determination workflow of this method. Here, we provide detailed methods for using an easy-to-use, three-dimensionally printed block for the preparation of support films to stabilize samples for transmission EM studies.
10:34
Ligand Nano-cluster Arrays in a Supported Lipid Bilayer
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Cited by 3 •
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FAQs
The cell wall is crucial because it resists the outward force produced by water-filled cell contents. This resistance allows internal hydrostatic pressure to become mechanical support rather than unrestricted expansion. The resulting balance helps cells retain their shape and gives plant tissues the rigidity needed to remain upright, especially in stems and leaves.
Water entry through osmosis increases the volume of the central vacuole, the internal compartment associated with pressure development. As the vacuole fills, pressure rises against the plasma membrane and cell wall. This mechanism supports cell expansion, linking hydration and internal pressure to plant growth while helping maintain the form of expanding cells.
Turgor pressure contributes to regulating stomatal opening, so changes in hydration can influence how plants control gas exchange. When water loss reduces pressure, the opening-related function of turgor is affected. This links a mechanical property of cells with a physiological process, showing that water relations influence both tissue firmness and exchange of gases.
The cell wall and turgor pressure contribute to rigidity in different ways. The wall provides resistance, while pressure generated by water inside the cell pushes outward against that resistance. Their interaction allows internal water status to produce mechanical support. This distinction explains why tissues can lose firmness when water loss lowers turgor, even though their walls remain present.
During drought, reduced water availability can lower turgor pressure across plant tissues. This relationship connects environmental water limitation with visible responses such as wilting and with changes in stomatal opening. Turgor therefore provides a framework for studying drought responses because it links cellular hydration, tissue support, and plant gas exchange.
Turgor pressure support links events inside individual cells with properties of whole tissues. Osmotic water entry and vacuole filling occur at the cellular level, yet their combined pressure helps stems and leaves remain upright. Studying this connection helps explain how water relations contribute simultaneously to plant structure, cell expansion during growth, and broader plant function.