Patent 10179911 was granted and assigned to President and Fellows of Harvard College on January, 2019 by the United States Patent and Trademark Office.
Strategies, systems, methods, reagents, and kits for phage-assisted continuous evolution are provided herein. These include strategies, systems, methods, reagents, and kits allowing for stringency modulation to evolve weakly active or inactive biomolecule variants, negative selection of undesired properties, and/or positive selection of desired properties.