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相关概念视频

Morphogenesis02:19

Morphogenesis

24.0K
Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
24.0K
Plant Tissues01:18

Plant Tissues

6.0K
Plants are multicellular eukaryotes with tissue systems made of various cell types that carry out specific functions. Different tissues work together to perform a unique function and form an organ. Organs working together form organ systems. Vascular plants have two distinct organ systems: a shoot system and a root system. The shoot system consists of two portions: the vegetative (non-reproductive) parts of the plant, such as the leaves and the stems, and the reproductive parts of the plant,...
6.0K
Cell Adhesion in Plants01:14

Cell Adhesion in Plants

2.6K
Plants have rigid cell walls that are made up of cell wall polysaccharides that mediate cell-cell adhesion. The primary cell walls of plants consist of two independent and interacting polysaccharide networks: a pectin matrix that embeds the second network comprising cellulose and hemicelluloses.
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose,...
2.6K
Plant Cells and Tissues02:01

Plant Cells and Tissues

56.4K
Plant tissues are collections of similar cells performing related functions. Different plant tissues will have their own specialized roles and can be combined with other tissues to form organs such as flowers, fruit, stem, and leaves. Two major types of plant tissue include meristematic and permanent tissue.
56.4K
Cell-matrix's Response to Mechanical Forces01:13

Cell-matrix's Response to Mechanical Forces

2.5K
In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
Anchoring junctions mechanically attach a cell to the...
2.5K
Responses to Gravity and Touch02:26

Responses to Gravity and Touch

34.4K
Gravitropism: Plant Responses to Gravity
34.4K

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相关实验视频

Updated: May 20, 2025

Use of Atomic Force Microscopy to Measure Mechanical Properties and Turgor Pressure of Plant Cells and Plant Tissues
11:18

Use of Atomic Force Microscopy to Measure Mechanical Properties and Turgor Pressure of Plant Cells and Plant Tissues

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组织层之间的机械相互作用是植物形态发生的基础.

Sylvia R Silveira1, Loann Collet1, Sahil M Haque1

  • 1Institut de Recherche en Biologie Végétale, Département de Sciences Biologiques, Université de Montréal, Montréal, Quebec, Canada.

Nature plants
|March 27, 2025
PubMed
概括
此摘要是机器生成的。

内部细胞的局部扩张驱动叶生长,影响植物器官生成. 这项研究揭示了差异性组织生长如何通过机械力量塑造复杂结构.

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Live Cell Imaging of Microtubule Cytoskeleton and Micromechanical Manipulation of the Arabidopsis Shoot Apical Meristem
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Live Cell Imaging of Microtubule Cytoskeleton and Micromechanical Manipulation of the Arabidopsis Shoot Apical Meristem

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A Labor-saving and Repeatable Touch-force Signaling Mutant Screen Protocol for the Study of Thigmomorphogenesis of a Model Plant Arabidopsis thaliana
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A Labor-saving and Repeatable Touch-force Signaling Mutant Screen Protocol for the Study of Thigmomorphogenesis of a Model Plant Arabidopsis thaliana

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相关实验视频

Last Updated: May 20, 2025

Use of Atomic Force Microscopy to Measure Mechanical Properties and Turgor Pressure of Plant Cells and Plant Tissues
11:18

Use of Atomic Force Microscopy to Measure Mechanical Properties and Turgor Pressure of Plant Cells and Plant Tissues

Published on: July 15, 2019

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Live Cell Imaging of Microtubule Cytoskeleton and Micromechanical Manipulation of the Arabidopsis Shoot Apical Meristem
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Live Cell Imaging of Microtubule Cytoskeleton and Micromechanical Manipulation of the Arabidopsis Shoot Apical Meristem

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A Labor-saving and Repeatable Touch-force Signaling Mutant Screen Protocol for the Study of Thigmomorphogenesis of a Model Plant Arabidopsis thaliana
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A Labor-saving and Repeatable Touch-force Signaling Mutant Screen Protocol for the Study of Thigmomorphogenesis of a Model Plant Arabidopsis thaliana

Published on: August 6, 2019

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科学领域:

  • 植物生物学 植物生物学
  • 发育生物学是发展生物学.
  • 生物物理学的生物物理.

背景情况:

  • 植物组织之间的增长差异会产生机械冲突,这些冲突对器官生成至关重要.
  • 阴道是一个复杂的男性花生殖器官,作为研究机械力和细胞动力学如何控制三维 (3D) 形态发生的模型.

研究的目的:

  • 研究细胞动力学和组织尺度机械学之间的相互作用,以控制器官发生过程中的3D形状.
  • 提出一个新的概念",通货膨胀潜力",解释差异增长机制.

主要方法:

  • 深度活细胞成像 活细胞成像
  • 增长分析是关于增长的.
  • 透治疗方法 透治疗方法
  • 遗传学 是一个遗传学.
  • 机械建模 机械建模

主要成果:

  • 内部细胞的局部扩张积极驱动叶外生长,表皮在反应中伸展.
  • 后期阶段,机械负荷转移到皮肤下内层,有助于实现正确的器官形状.
  • 提出了"通货膨胀潜力"的概念,整合了推动差异增长的机械和解剖因素.

结论:

  • 内部组织在控制器官形状的获得和外部层的细胞动态方面发挥着积极的机械作用.
  • 了解差异生长和机械冲突是解读植物器官生成和复杂形状发展的关键.