Related Experiment Video
Updated: May 12, 2026

29:13
Microbial Communities in Nature and Laboratory - Interview
Published on: May 28, 2007
Making biological theory more down to Earth.
1Nagaoka University of Technology, Nagaoka 940-2188, Japan.
Progress in Biophysics and Molecular Biology
|April 9, 2013
Summary
Self-organizing systems maintain identity via material exchange, crucial for early life
Area of Science:
- Origin of Life Studies
- Systems Chemistry
- Biochemistry
Background:
- Living organisms possess self-describing, translating, and constructing components.
- Self-organization often involves material vehicles maintaining identity through constituent exchange.
- This material exchange addresses self-referential logical complexities in self-organization.
Purpose of the Study:
- To explore the role of material exchange in self-organization and the origin of life.
- To investigate how metabolism could precede complex metabolism-replication systems.
- To provide a material basis for understanding self-identity in dynamic systems.
Main Methods:
- Theoretical analysis of self-referential dynamics and material exchange.
- Experimental simulation of prebiotic environments, specifically hydrothermal vents.
- Observation of the citric acid cycle in the absence of biological enzymes under simulated prebiotic conditions.
Main Results:
- Material exchange is a viable mechanism for maintaining system identity and overcoming logical paradoxes.
- The citric acid cycle can function under simulated prebiotic conditions without enzymes.
- This suggests metabolism could emerge prior to complex replication systems.
Conclusions:
- Metabolism's emergence is facilitated by material exchange mechanisms, supporting early life development.
- Internalizing dynamic descriptions within the system's processes is key to self-organization.
- This framework offers a material explanation for the transition from simple chemistry to biological complexity.
Related Concept Videos
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...
Golden rice
Golden rice is a genetically modified...
Characteristics of Life
Biology is a natural science that studies life and living organisms, including their structure, function, development, interactions, evolution, distribution, and taxonomy. The field's scope is extensive and divided into several specialized disciplines, such as anatomy, physiology, ethology, genetics, and many more. All living things share a few key traits, including cellular organization, heritable genetic material and the ability to adapt/evolve, metabolism to regulate energy needs, the...
Introduction to Biological Bases of Psychology
Biopsychology serves as a vital bridge connecting the intricate domains of biology and psychology, shedding light on how biological systems influence psychological phenomena. This field scrutinizes the biological substrates of behavior and mental processes, emphasizing the nervous system along with the roles of neurotransmitters, hormones, and genetics. It also incorporates evolutionary perspectives to explain the adaptive nature of mental functions.
The nervous system, the cornerstone of...
The nervous system, the cornerstone of...
The Scientific Method
Research is what makes the difference between facts and opinions. Facts are observable realities, and opinions are personal judgments, conclusions, or attitudes that may or may not be accurate. In the scientific community, facts can be established only using evidence collected through empirical research.
The Scientific Method
The scientific method is a detailed, empirical problem-solving process used by biologists and other scientists. This iterative approach involves formulating a question based on observation, developing a testable potential explanation for the observation (called a hypothesis), making and testing predictions based on the hypothesis, and using the findings to create new hypotheses and predictions.
Generally, predictions are tested using carefully-designed experiments. Based on the outcome of these...
Generally, predictions are tested using carefully-designed experiments. Based on the outcome of these...
The Evidence for Evolution
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.

