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Related Experiment Video

Updated: Feb 9, 2026

Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations

Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations

Published on: December 7, 2021

Scarless genome editing: progress towards understanding genotype-phenotype relationships.

Gregory L Elison^1,2, Murat Acar^3,4,5,6

¹Department of Molecular Cellular and Developmental Biology, Yale University, 219 Prospect Street, New Haven, CT, 06511, USA.

Current Genetics

|June 7, 2018

Summary

Predicting phenotype from genotype remains challenging. This review covers historical genetic engineering techniques and CRISPR advancements, including scarless genome editing and newer methods, to improve genotype-phenotype understanding.

Keywords:

CRISPR Genome editing Genotype-Phenotype relationships

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Last Updated: Feb 9, 2026

Heuristic Mining of Hierarchical Genotypes and Accessory Genome Loci in Bacterial Populations

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Enhanced Genome Editing with Cas9 Ribonucleoprotein in Diverse Cells and Organisms

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Area of Science:

Genetics
Molecular Biology
Genomics

Background:

Predicting phenotype from genotype is a long-standing challenge in biological sciences.
Precisely altering specific genomic locations has historically hindered progress in understanding genotype-phenotype relationships.

Purpose of the Study:

To review historical genetic engineering techniques for cellular genetic modification.
To examine the evolution and impact of CRISPR technology on genome editing.
To discuss advancements towards scarless genome editing and future directions.

Main Methods:

Comparative review of historical genetic modification techniques.
Analysis of CRISPR-Cas9 system development and its applications.
Examination of newer genome editing methods not requiring DNA double-strand breaks.

Main Results:

CRISPR technology enables marker-free disruption of endogenous genomic locations.
Further refinements of CRISPR have led to truly scarless genome editing.
Emerging methods offer alternatives to DNA double-strand break-dependent editing.

Conclusions:

Genome engineering has significantly advanced, moving towards precise and scarless modifications.
New genome editing technologies promise to accelerate the study of genotype-phenotype relationships.
The future of genome engineering holds potential for deeper biological insights.