Related Experiment Video
Updated: Apr 30, 2026
10:46
Gene Digital Circuits Based on CRISPR-Cas Systems and Anti-CRISPR Proteins
Published on: October 18, 2022
1.9K
Principles of genetic circuit design
Jennifer A N Brophy1, Christopher A Voigt1
1Synthetic Biology Center, Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
Nature Methods
|May 1, 2014
Summary
Engineers are developing new tools and strategies to program cells by designing genetic circuits. This breakthrough enables advanced applications like living therapeutics and atomic manufacturing of materials.
Area of Science:
- Synthetic biology
- Genetic engineering
- Cellular programming
Background:
- Cells naturally respond to signals by altering gene expression.
- Engineering cells requires precise control over genetic components.
- Existing methods for cellular programming face limitations.
Purpose of the Study:
- To review novel tools for constructing genetic circuits.
- To analyze circuit design, failure modes, and mitigation strategies.
- To discuss challenges of implementing circuits within living cells.
Main Methods:
- Review of current tools and techniques for genetic circuit assembly.
- Analysis of factors influencing circuit dynamics, including regulators and expression tuning.
- Compilation and quantification of genetic circuit failure modes and their impact.
- Discussion of cellular constraints on circuit operation.
Main Results:
- New tools facilitate the construction of sophisticated genetic circuits.
- Understanding regulators and 'tuning knobs' allows for control over circuit dynamics.
- Common failure modes are identified, quantified, and addressed with mitigation strategies.
- Cellular environment imposes constraints that must be considered in circuit design.
Conclusions:
- Advances in tools, parts, and design principles are enabling breakthroughs in programming living cells.
- This progress paves the way for applications in living therapeutics and atomic manufacturing.
- A comprehensive understanding of circuit composition is crucial for advanced cellular engineering.
Related Concept Videos
01:14Circuit Terminology
3.1K
An electrical network is a system composed of interconnected elements, such as resistors, capacitors, inductors, and voltage or current sources. Unlike a circuit, an electrical network does not necessarily form a closed path. In other words, while all circuits can be considered networks due to their interconnected nature, not every network qualifies as a circuit.
A circuit, on the other hand, is also an interconnected system of electrical elements but must contain one or more closed paths.
A circuit, on the other hand, is also an interconnected system of electrical elements but must contain one or more closed paths.
3.1K
01:15First-Order Circuits
5.5K
First-order electrical circuits, which comprise resistors and a single energy storage element - either a capacitor or an inductor, are fundamental to many electronic systems. These circuits are governed by a first-order differential equation that describes the relationship between input and output signals.
One common example of a first-order circuit is the RC (resistor-capacitor) circuit. These circuits are used in relaxation oscillators such as neon lamp oscillator circuits. When voltage is...
One common example of a first-order circuit is the RC (resistor-capacitor) circuit. These circuits are used in relaxation oscillators such as neon lamp oscillator circuits. When voltage is...
5.5K
01:25Neural Circuits
3.0K
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
3.0K
01:25Network Function of a Circuit
1.1K
Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
1.1K
01:17Second-Order Circuits
4.5K
Integrating two fundamental energy storage elements in electrical circuits results in second-order circuits, encompassing RLC circuits and circuits with dual capacitors or inductors (RC and RL circuits). Second-order circuits are identified by second-order differential equations that link input and output signals.
Input signals typically originate from voltage or current sources, with the output often representing voltage across the capacitor and/or current through the inductor. For example, in...
Input signals typically originate from voltage or current sources, with the output often representing voltage across the capacitor and/or current through the inductor. For example, in...
4.5K
01:21Electric Circuit Elements
3.4K
Circuit elements are the basic building blocks of an electric circuit. Essentially, an electric circuit is the interconnection of these elements. Within electric circuits, one can find two types of elements: passive and active. Active elements have the ability to generate energy, whereas passive elements do not. Passive elements include components like resistors, capacitors, and inductors, while active elements typically encompass generators, batteries, and operational amplifiers.
The most...
The most...
3.4K