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  1. More Images

    Chemotaxis

    Chemotaxis is the movement of an organism or entity in response to a chemical stimulus. Somatic cells, bacteria, and other single-cell or multicellular organisms direct their movements according to certain chemicals in their environment. This is important for bacteria to find food by swimming toward the highest concentration of food molecules, or to flee from poisons. In multicellular organisms, chemotaxis is critical to early development and development as well as in normal function and health. In addition, it has been recognized that mechanisms that allow chemotaxis in animals can be subverted during cancer metastasis, and the aberrant change of the overall property of these networks, which control chemotaxis, can lead to carcinogenesis. The aberrant chemotaxis of leukocytes and lymphocytes also contribute to inflammatory diseases such as atherosclerosis, asthma, and arthritis. Wikipedia

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  3. bio.libretexts.org

    Nov 23, 2024chemotaxis: Chemotaxis is the phenomenon whereby somatic cells, bacteria, and other single-cell or multicellular organisms direct their movements in response to certain chemicals in their environment. flagella: A flagellum is a lash-like appendage that protrudes from the cell body of certain prokaryotic and eukaryotic cells.
  4. sciencedirect.com

    Chemotaxis is a phenomenon whereby cells physically migrate in response to a stimulus. A number of growth proteins involved with bone repair have been shown to possess chemotactic activity toward mesenchymal stem cells, including transforming growth factor (TGF), fibroblast growth factor (FGF), insulin-like growth factor (IGF), and thrombin. 19 The chemotactic potency toward mesenchymal stem ...
  5. biologysimple.com

    Jan 12, 2025Chemotaxis is the movement of cells in response to chemical signals. This process guides cells towards or away from stimuli. Chemotaxis plays a crucial role in various biological processes, such as immune response, wound healing, and developmental processes. Cells sense chemical gradients and respond by moving towards attractants or away from ...
  6. sciencedirect.com

    Chemotaxis is a fascinating biological process of central importance to the survival of organisms. It brings together fundamental properties of cells including the ability to move, to communicate with its environment, and to regulate cell shape. It also is a fascinating example of how biology brings together design principles that are common in ...
  7. pmc.ncbi.nlm.nih.gov

    Chemotaxis is a fundamental process in which cells migrate directionally when they are exposed to external chemical gradients. It is exhibited by a wide variety of cell types and involves distinct strategies that depend on the environmental conditions. For example, the migration of fibroblasts or kératinocytes within tissues is relatively slow ...
  8. sciencedirect.com

    Chemotaxis is the phenomenon in which the direction of a cell's locomotion is determined by an extracellular gradient of chemicals. The first recorded observations of chemotaxis were made in 1888 by Leber, who found that leukocytes converge from all directions along straight paths to sites of rabbit corneal irritation [1,2]. This observation ...
  9. pmc.ncbi.nlm.nih.gov

    Chemotaxis is the phenomenon by which the movement of cells is directed in response to an extracellular chemical gradient. Over 100 years of research have illustrated the importance of chemotaxis in physiological processes, such as the recruitment of inflammatory cells to sites of infection, and in organ development during embryogenesis.
  10. pmc.ncbi.nlm.nih.gov

    A communication model for cellular chemotaxis in prokaryotic and eukaryotic systems. (A) The Shannon‐Weaver model of communication.The input of the prokaryotic (B) and eukaryotic (C) chemotactic communication system can be considered the interaction of the message (i.e., chemoeffector) and the transmitter (i.e., chemoattractant receptor).
  11. biologyinsights.com

    Chemotaxis allows cells to locate nutrients, escape harmful substances, and perform roles in organismal health. Understanding the pathways and mechanisms that govern chemotaxis can provide insights into cellular behavior and potential therapeutic targets. The following sections will delve into the intricate signal transduction pathways involved ...

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