Related Experiment Video
Updated: Feb 10, 2026

16:11
Protocols for Implementing an Escherichia coli Based TX-TL Cell-Free Expression System for Synthetic Biology
Published on: September 16, 2013
66.2K
EcoFlex: A Multifunctional MoClo Kit for E. coli Synthetic Biology
Hung-En Lai1,2, Simon Moore1,2, Karen Polizzi2,3
1Department of Medicine, Imperial College London, London, UK.
Methods in Molecular Biology (Clifton, N.J.)
|May 14, 2018
Summary
EcoFlex is a new modular cloning kit for Escherichia coli, enabling rapid assembly of genetic parts. This synthetic biology tool facilitates high-throughput construction of complex biological systems like biosynthetic pathways.
Area of Science:
- Synthetic biology
- Molecular biology
- Biotechnology
Background:
- Advanced synthetic biology tools are crucial for rapid prototyping of biological constructs.
- Modular cloning systems streamline the assembly of genetic elements.
- Escherichia coli is a key host for synthetic biology applications.
Purpose of the Study:
- To introduce EcoFlex, a modular cloning kit for Escherichia coli.
- To describe a plasmid collection for hierarchical assembly of genetic parts.
- To demonstrate the utility of EcoFlex for constructing biological pathways.
Main Methods:
- Utilized Golden Gate principles with Type IIS restriction enzymes (BsaI, BsmBI, BpiI).
- Developed a collection of plasmids encoding various biological parts (promoters, RBSs, terminators, ORFs, destination vectors).
- Assembled genetic parts hierarchically into transcription units, operons, or pathways.
Main Results:
- Successfully created a modular cloning kit (EcoFlex) for E. coli.
- Demonstrated hierarchical assembly of genetic parts using compatible overhangs.
- Showcased EcoFlex utility by constructing the violacein biosynthesis pathway.
Conclusions:
- EcoFlex provides a versatile platform for synthetic biology research.
- The kit enables efficient and high-throughput assembly of genetic constructs.
- EcoFlex facilitates the engineering of complex metabolic pathways in E. coli.
More Related Videos
Related Concept Videos
Synthetic Biology
5.6K
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...
5.6K
What is Conservation Biology?
24.4K
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
24.4K
Synthetic Disvision of Polynomials
195
Synthetic division is an efficient algorithmic approach for dividing a polynomial by a linear binomial of the form x - c, where c is a real number. This method is helpful due to its streamlined process, which avoids the more cumbersome steps involved in the traditional long division of polynomials. It simplifies computation and serves as a practical tool for evaluating polynomials and identifying their factors.To perform synthetic division, one begins by listing the coefficients of the...
195
Biological Effects of Radiation
18.1K
All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
18.1K
Chemotaxis in E. coli
972
Chemotaxis in Escherichia coli is a sensory-driven motility mechanism that enables bacteria to navigate chemical gradients, moving toward beneficial environments while avoiding harmful conditions. This process relies on a signal transduction system integrating external chemical cues with flagellar motor control.Chemoreceptors and Signal DetectionE. coli detects chemical gradients through methyl-accepting chemotaxis proteins (MCPs), which are membrane-bound chemoreceptors that sense attractants...
972
Stringent Response in E. coli
379
Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...
379

