Fast track assembly of multigene constructs using Golden Gate cloning and the MoClo system

Area of Science:

• Synthetic Biology
• Molecular Biology
• Genomics

Background:

• Synthetic biology is advancing, with initial efforts focused on replicating natural genomes.
• Engineering novel biological functions requires robust tools for genetic manipulation.
• The modular cloning system (MoClo) was previously developed for high-throughput assembly of genetic elements.

Purpose of the Study:

• To present new features of the MoClo system that enhance the speed of multigene construct assembly.
• To demonstrate the utility of the improved MoClo system for complex synthetic biology applications.

Main Methods:

• Development and implementation of new features for the modular cloning system (MoClo).
• Assembly of 68 DNA fragments encoding basic genetic elements using a three one-pot cloning strategy.
• Construction of a 50 kb DNA construct containing 17 eukaryotic transcription units.

Main Results:

• The enhanced MoClo system significantly increases the speed of assembling multigene constructs.
• A large-scale assembly of 68 DNA fragments was successfully achieved in three one-pot cloning steps.
• A 50 kb construct with 17 eukaryotic transcription units was generated, showcasing the system's capability.

Conclusions:

• The improved MoClo system is a valuable tool for accelerating the engineering of novel biological functions.
• This system facilitates the generation of diverse construct variants necessary for developing synthetic gene networks.
• The MoClo system aids in fine-tuning gene expression levels for complex biological designs.