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Horizon Discovery
RNAi solutions by Dharmacon


Premium siRNA reagents by Dharmacon™ - Guaranteed to silence the target gene with unmatched specificity.

Edit-R CRISPR guide RNA

Edit-R™ synthetic CRISPR sgRNA

Guaranteed to edit the target gene, and designed to maximize the effectiveness of functional gene knockout.

Custom RNA synthesis

Custom synthesis

Custom RNA synthesis by Dharmacon™

Latest news

Horizon Discovery introduces single cell RNAseq-linked CRISPR screening service

Maintain research velocity during COVID

Outsource your cell line engineering or screening projects with Horizon's experienced contract research service teams.


Check out our new blog

Learn what is "On the Horizon"


For transgenic animal models and in vivo screening services

Contact Envigo

Poster: CRISPR screening technologies

Are you interested in arrayed, pooled, or dual CRISPR screening?

Working with primary cells?

Find proven tools and resources for successful CRISPR editing and RNAi in primary cell types.


Interested in our screening libraries?

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Why use CRISPR-Cas9 systems?

Explore gene editing applications.

What is Prime Editing?

Read our featured article for more information