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関連する概念動画

Cell Adhesion in Plants01:14

Cell Adhesion in Plants

3.4K
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,...
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Immunoglobulin-like Cell Adhesion Molecules01:31

Immunoglobulin-like Cell Adhesion Molecules

4.4K
Immunoglobulin-like cell adhesion molecules or Ig-CAMs are a versatile group of cell surface glycoproteins belonging to the immunoglobulin protein superfamily. Ig-CAMs possess the characteristic immunoglobulin protein domains and other domains such as the fibronectin type III domain. The Ig domains are glycosylated to varying degrees in different Ig-CAMs.
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
4.4K
Cell Adhesion Molecules - Types and Functions01:20

Cell Adhesion Molecules - Types and Functions

9.7K
Cell adhesion molecules (CAMs) are pivotal to multicellularity and the coordinated functioning of tissues and organ systems. They enable physical interactions between cells and provide mechanical strength to tissues. They also function as receptors for signal transmission across the plasma membrane. The CAMs are broadly classified into four families - integrins, cadherins, selectins, and immunoglobulin-like CAMs (IgCAMs).
CAM Families
The Integrin family of proteins is primarily  involved...
9.7K
Bacterial Signaling01:30

Bacterial Signaling

40.9K
Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...
40.9K
Bacterial Cell Wall01:22

Bacterial Cell Wall

3.6K
The bacterial cell wall is an essential structural component that encases the plasma membrane, preserving cellular integrity, determining shape, and protecting against osmotic stress. This rigid yet flexible structure primarily comprises peptidoglycan, a polymer that forms a mesh-like matrix conferring mechanical strength and flexibility.Peptidoglycan Composition and StructurePeptidoglycan, the core of the bacterial cell wall, comprises alternating units of N-acetylglucosamine (NAG) and...
3.6K
Adhesion01:14

Adhesion

44.5K
Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
Capillary action is a result of water’s adhesive tendencies. When a narrow...
44.5K

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関連する実験動画

Updated: Feb 7, 2026

Preparing Protein Producing Synthetic Cells using Cell Free Bacterial Extracts, Liposomes and Emulsion Transfer
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多細胞形態とパターンをプログラムするための合成細菌細胞結合ツールボックス

David S Glass1, Ingmar H Riedel-Kruse1

  • 1Department of Bioengineering, Stanford University, 318 Campus Drive, Stanford, CA 94305, USA.

Cell
|July 24, 2018
PubMed
まとめ
この要約は機械生成です。

科学者たちは 細菌の細胞の結合を制御する 合成プラットフォームを開発しました この遺伝的ツールは多細胞構造の正確な組み立てを可能にし,合成生物学と初期の生命の進化の研究を進める.

キーワード:
粘着する形質について多細胞性ナノボディパターン付け自己組み立て自己組織化合成生物学

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In Vitro Assay of Bacterial Adhesion onto Mammalian Epithelial Cells
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In Vitro Assay of Bacterial Adhesion onto Mammalian Epithelial Cells

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Introducing Shear Stress in the Study of Bacterial Adhesion
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Introducing Shear Stress in the Study of Bacterial Adhesion

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関連する実験動画

Last Updated: Feb 7, 2026

Preparing Protein Producing Synthetic Cells using Cell Free Bacterial Extracts, Liposomes and Emulsion Transfer
09:37

Preparing Protein Producing Synthetic Cells using Cell Free Bacterial Extracts, Liposomes and Emulsion Transfer

Published on: April 27, 2020

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In Vitro Assay of Bacterial Adhesion onto Mammalian Epithelial Cells
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Introducing Shear Stress in the Study of Bacterial Adhesion
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科学分野:

  • 合成生物学
  • 微生物学
  • バイオ物理学

背景:

  • 合成の多細胞系は 自然発達の研究と 複雑な生物学的機能の設計に 有力なモデルを提供します
  • 細胞粘着を制御する現在の制限は,これらのシステムの正確な組み立てを妨げています.
  • 細胞同士の相互作用や 多細胞組織を 直接制御するための 遺伝的にコード化されたツールが必要である.

研究 の 目的:

  • エシェリキア・コリ菌におけるモジュラー細胞結合のための100%遺伝的にコードされた合成プラットフォームを開発する.
  • 多細胞の自己組織化と 精密な制御を 提供するためです
  • 定義された多細胞形態とパターンの合理的な設計を可能にします.

主な方法:

  • 選択的な細胞結合のための外膜表示ナノボディと抗原のライブラリを使用した.
  • 粘着系内で設計された直角的特異性.
  • 固有の粘着特性,競争的阻害,誘導表現による制御された粘着親和性.

主要な成果:

  • よく定義された形状とパターンの定量的な合理的な設計を証明した.
  • 同性愛者と異性愛者の相互作用によって多細胞の自己組み立てを制御する.
  • 格子状の組立,相分離,微分粘着,並列層化の能力を示した.

結論:

  • 開発された合成粘着プラットフォームは,Escherichia coliの多細胞性に対するモジュール制御を提供します.
  • このツールボックスにより,高レベルの多細胞設計と複雑な生物学的材料の構築が可能になります.
  • このシステムは 単細胞から多細胞への 進化的移行の洞察を提供します