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Related Concept Videos

Synthetic Biology02:55

Synthetic Biology

Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, and systems biology. It involves remodeling existing organisms from nature or constructing completely new synthetic organisms for applications such as protein or enzyme production, bioremediation, value-added macromolecule production, and the addition of desirable traits to crops, to name a few.
Golden rice
Golden rice is a genetically modified...
Pharmacodynamic Models: Link Model and Systems Pharmacodynamic Model01:14

Pharmacodynamic Models: Link Model and Systems Pharmacodynamic Model

The link model is a fundamental pharmacokinetic-pharmacodynamic (PK–PD) approach to account for delayed drug responses when the observed effect does not immediately correlate with the drug's plasma concentration peak. This delay is mathematically addressed by introducing an effect compartment concentration, Ce, which is kinetically linked to the plasma concentration, Cp, via a first-order rate constant, ke0. The linkage allows for a more accurate prediction of drug effects over time. A higher...
Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Protein Networks02:26

Protein Networks

An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
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Signal and System01:26

Signal and System

A signal x(t) is a set of data or a time function representing a variable of interest. Signals typically convey information about a phenomenon, such as atmospheric temperature, humidity, human voice, television images, a dog's bark, or birdsongs. More generally, a signal can be a function of more than one independent variable. For instance, images depend on horizontal and vertical positions and can be regarded as two-dimensional signals. However, this text will focus on one-dimensional signals...
Global Regulatory Systems01:28

Global Regulatory Systems

Global regulatory systems in bacteria enable rapid and coordinated responses to environmental changes by integrating sensory inputs with gene expression, ensuring efficient adaptation to fluctuating conditions. Key global regulatory mechanisms include regulons, two-component systems, sigma factors, and secondary messengers.Regulons and Global RegulatorsA regulon is a collection of genes and operons controlled by a common global regulator. These regulators enable bacteria to prioritize resource...

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Updated: Jul 18, 2026

JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics
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JUMPn: A Streamlined Application for Protein Co-Expression Clustering and Network Analysis in Proteomics

Published on: October 19, 2021

Putting the systems back into systems biology.

Athel Cornish-Bowden1

  • 1CNRS-BIP, 13402 Marseille Cedex 20, France. acornish@ibsm.cnrs-mrs.fr

Perspectives in Biology and Medicine
|December 6, 2006
PubMed
Summary

Systems biology requires a holistic approach, emphasizing the entire organism over individual components. This systemic perspective is crucial for understanding biological regulation and the nature of life itself.

Area of Science:

  • Systems Biology
  • Biochemistry
  • Life Sciences

Background:

  • The term "systems biology" is prevalent but often lacks a true systemic focus.
  • Many studies apply reductionist approaches on a large scale, neglecting key kinetic properties of enzymes.

Purpose of the Study:

  • To redefine and advocate for a genuinely systemic approach in biological research.
  • To highlight the importance of understanding the whole system for biological regulation and biotechnology.

Main Methods:

  • Conceptual analysis of existing biological research paradigms.
  • Emphasis on integrating component roles within the context of the entire system.

Main Results:

  • Current "systems biology" often resembles large-scale reductionism with limited focus on interactions and kinetics.

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The Use of Chemostats in Microbial Systems Biology

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  • A systemic approach prioritizes understanding component roles in service of the whole system's needs.

    • Conclusions:

    • Genuine systemic thinking is essential for understanding biochemical regulation and the fundamental nature of life.
    • A holistic view is necessary to ask and answer critical questions about living organisms, moving beyond mere component analysis.