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Related Concept Videos

Eukaryotic Compartmentalization01:37

Eukaryotic Compartmentalization

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
Eukaryotic Compartmentalization01:46

Eukaryotic Compartmentalization

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
Eukaryotic Compartmentalizations01:46

Eukaryotic Compartmentalizations

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
Mechanistic Models: Overview of Compartment Models01:21

Mechanistic Models: Overview of Compartment Models

Mechanistic models, a category encompassing both physiological and compartmental modeling, differ from empirical models' approaches to incorporating known factors about the systems being modeled. Empirical models describe data with minimal assumptions, while mechanistic models aim to provide a robust description of available data by specifying assumptions and integrating known factors about the system. Compartmental analysis is a key example of a mechanistic model in pharmacokinetics and...
Distribution of Cytoplasmic Content02:33

Distribution of Cytoplasmic Content

Cytokinesis segregates a cell’s chromosomes and organelles into its daughter cells. Organelles divide and grow prior to cell division but cannot be synthesized de novo; therefore, cells must receive at least one copy of each organelle to survive. Currently, many of the details of how the organelles are distributed are not yet fully elucidated.
Distribution of cytoplasmic determinants
The cytoplasm contains various organelles, as well as salts, proteins, and water. The distribution of small...
The Phragmoplast01:59

The Phragmoplast

Cell division is essential for organismal growth and development. In animal cells, the central spindle and its associated proteins form the midbody, a structure that has an essential role in cytokinesis. In plants, the central spindle, along with the microtubules, actin, and other cell components, matures into the phragmoplast, which is necessary for cytokinesis. Unlike the stationary midbody, the phragmoplast expands centrifugally, eventually leading to the formation of the new cell wall.
The...

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Design, Surface Treatment, Cellular Plating, and Culturing of Modular Neuronal Networks Composed of Functionally Inter-connected Circuits
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Published on: April 15, 2015

Protocell design through modular compartmentalization.

David Miller1, Paula J Booth, John M Seddon

  • 1Department of Chemistry and Institute of Chemical Biology, Imperial College London, Exhibition Road, London SW7 2AZ, UK. dmiller@wehi.edu.au

Journal of the Royal Society, Interface
|August 9, 2013
PubMed
Summary
This summary is machine-generated.

Synthetic biology advances with new multi-compartment designs using lipid-bound proto-organelles. This innovation enables complex cellular functions and signal transduction in artificial protocells.

Keywords:
compartmentalized bioreactorssignal transductionsynthetic biology

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Area of Science:

  • Synthetic Biology
  • Biotechnology
  • Cellular Engineering

Background:

  • Current synthetic biology designs often use a limited "cut-and-paste" approach for simple engineered pathways.
  • Living cells utilize compartmentalization and diverse signaling molecules for complex communication.

Purpose of the Study:

  • To introduce a novel design element for synthetic biological systems: lipid-bound proto-organelles.
  • To develop a multi-compartment protocell machine capable of coupling light transduction to gene expression.

Main Methods:

  • Design and validation of components for a multi-compartment protocell.
  • Integration of a light transducer with a gene expression system within the protocell framework.
  • Utilizing non-protein signal molecules for signal transduction between compartments.

Main Results:

  • Successful design and validation of components for a multi-compartment protocell machine.
  • Demonstrated coupling of a light transducer to a gene expression system.
  • Established a generalizable design concept for compartmentalized artificial cellular machinery.

Conclusions:

  • The proposed proto-organelle design enables advanced compartmentalization in synthetic cells.
  • This approach facilitates the use of non-protein signals for robust signal transduction.
  • Represents a significant step towards creating more complex and functional artificial cellular systems.