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Synthetic Biology

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...

The Central Dogma

The Central Dogma

The central dogma explains the flow of genetic information from DNA nucleotides to the amino acid sequence of proteins.
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In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...

Combinatorial Gene Control

Combinatorial Gene Control

Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...

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Related Experiment Video

Updated: May 29, 2026

Gene Digital Circuits Based on CRISPR-Cas Systems and Anti-CRISPR Proteins

Gene Digital Circuits Based on CRISPR-Cas Systems and Anti-CRISPR Proteins

Published on: October 18, 2022

Synthetic biology: integrated gene circuits.

Nagarajan Nandagopal¹, Michael B Elowitz

¹Department of Bioengineering, California Institute of Technology, Pasadena, CA 91125, USA.

Science (New York, N.Y.)

|September 3, 2011

Summary

Synthetic biology advances understanding of biological design by creating novel genetic circuits. Newer circuits integrate with cellular systems, offering deeper insights into gene regulation and control.

Area of Science:

Synthetic biology
Genetic engineering
Systems biology

Background:

Synthetic biology aims to understand biological design principles through bottom-up construction of genetic circuits.
Early efforts focused on creating independent circuits, minimizing interaction with host cellular machinery.
Recent advancements involve developing synthetic circuits that closely interact with endogenous cellular processes.

Purpose of the Study:

To explore the evolution of synthetic circuit design strategies.
To investigate how integrating circuits with cellular systems enhances understanding of biological regulation.
To demonstrate new methods for achieving precise control over biological systems.

Main Methods:

Designing and constructing synthetic genetic circuits.

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Last Updated: May 29, 2026

Gene Digital Circuits Based on CRISPR-Cas Systems and Anti-CRISPR Proteins

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Characterizing circuit behavior in cellular environments.

Analyzing the integration of synthetic circuits with endogenous cellular pathways.

Main Results:

Demonstrated that synthetic circuits can be designed to interact dynamically with host cells.
Revealed fundamental insights into the regulatory architecture and evolutionary dynamics of genetic circuits.
Achieved novel levels of control over diverse biological systems through integrated circuit design.

Conclusions:

The integration of synthetic circuits with cellular processes represents a significant advancement in synthetic biology.
This approach deepens the understanding of genetic circuit regulation, dynamics, and evolution.
New possibilities for precise biological control are enabled by these advanced synthetic circuit designs.