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Related Concept Videos

Cellular Differentiation00:57

Cellular Differentiation

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How does a complex organism such as a human develop from a single cell? It all starts from a single fertilized egg which gives rise to a vast array of cell types, such as nerve cells, muscle cells, and epithelial cells that characterize the adult? Throughout development and adulthood, cellular differentiation leads cells to assume their final morphology and physiology. Differentiation is the process by which unspecialized cells become specialized to carry out distinct functions.
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Differentiation of Common Myeloid Progenitor Cells01:15

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Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
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Role Of Notch Signalling In Intestinal Stem Cell Renewal01:12

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Notch signaling was first discovered in Drosophila melanogaster, where it is involved in cell lineage differentiation. Notch signaling regulates the maintenance and differentiation of intestinal stem cells or ISCs by controlling the expression of atonal homolog 1 or Atoh1. Atoh1 directs cells to differentiate into secretory cells.
Direct cell-to-cell contact is needed for the activation of Notch signaling. The signal is initiated when a notch ligand binds to a receptor on an adjacent cell, also...
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Canonical Wnt Signaling Pathway02:54

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The gene encoding the main signaling molecules of the Wnt signaling pathways (the Wnt proteins) was discovered almost four decades ago by Nüsslein-Volhard and Wieschaus. They identified and originally named the gene "wingless" (wg) after a phenotype discovered during their landmark genetic screen in Drosophila for body pattern defects. At around the same time, another researcher named Harold Varmus found that a murine tumor virus activates the mammalian wg homolog, Int-1, which...
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Cadherins in Tissue Organization01:19

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The cadherins are a superfamily of cell adhesion molecules comprising over 180 variants, with specific tissues expressing a particular combination of cadherin types. Cadherins generally exhibit homophilic binding; i.e., cadherins on one cell bind to cadherins of the same or closely related type on another cell. Thus, cells of the same type have a specific affinity to bind to each other and sort themselves into clusters to form tissues.
Cell Sorting During Development
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Non-Canonical Wnt Signaling Pathways01:41

Non-Canonical Wnt Signaling Pathways

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Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...
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Modeling Myotonic Dystrophy 1 in C2C12 Myoblast Cells
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Modeling Myotonic Dystrophy 1 in C2C12 Myoblast Cells

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Matricellular protein Cfl1 regulates cell differentiation.

Xiuyun Tian1, Xiaorong Lin1

  • 1Department of Biology; Texas A&M University; College Station, TX USA.

Communicative & Integrative Biology
|February 26, 2014
PubMed
Summary
This summary is machine-generated.

Microbial cells communicate using matricellular signals like the Cfl1 protein. This study shows Cfl1

Keywords:
autoinducerbiofilmfilamentationmatricellular signalparacrine

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Area of Science:

  • Microbiology
  • Cell Biology
  • Biochemistry

Background:

  • Microbial communities coordinate gene expression and physiological states via intercellular communication.
  • Matricellular signals mediate this communication, influencing microbial development.
  • The adhesion protein Cfl1 acts as a matricellular signal in Cryptococcus neoformans, regulating morphogenesis and biofilm formation.

Purpose of the Study:

  • To investigate the functional domains of the Cfl1 protein responsible for its adherence and signaling activities.
  • To elucidate the role of Cfl1 in the fungal matricellular signaling network.
  • To understand the interplay between Cfl1 and the master regulator of morphogenesis, Znf2.

Main Methods:

  • Protein analysis to identify functional domains of Cfl1.
  • Assays to evaluate the adherence and signaling properties of Cfl1.
  • Investigating the Cfl1-Znf2 regulatory network in Cryptococcus neoformans.

Main Results:

  • The N-terminal signal peptide and the C-terminal SIGC domain of Cfl1 are critical for its adherence and signaling functions.
  • Exogenous Cfl1 triggers endogenous Cfl1 expression, filamentation, and structured biofilm formation in Cryptococcus cells.
  • Cfl1 is involved in a fungal matricellular signaling network with Znf2.

Conclusions:

  • Cfl1's N-terminal signal peptide and C-terminal SIGC domain are essential for its matricellular signaling functions.
  • Cfl1 plays a key role in coordinating microbial development, including morphogenesis and biofilm formation.
  • This study provides a foundation for understanding intercellular communication in microbial development through the Cfl1-Znf2 network.