Toolkit/sgRNA

sgRNA

RNA Element·Research·Since 2022

Also known as: single-guide RNA

Taxonomy: Mechanism Branch / Component. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

sgRNA (single-guide RNA) is the RNA guide element in CRISPR systems that directs sequence-specific targeting for RNA or DNA manipulation. In the cited review, sgRNA design and modification are highlighted as central determinants of effective virus-targeted gene knock-in, gene knock-out, and CRISPR/Cas mutation efficiency.

Usefulness & Problems

Why this is useful

This RNA element is useful because its design strongly influences the effectiveness and accuracy of CRISPR-based manipulation of viral genomes and related targets. The cited review places sgRNA optimization within applications spanning virus-targeted editing, viral diagnostics, and studies of virus-host interactions.

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Furthermore, we have emphasized the application of CRISPR technology in virus diagnosis and in finding significant genes involved in virus-host interactions.

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This approach has provided an unprecedented opportunity for creating simple, inexpensive, specific, targeted, accurate, and practical manipulations of viruses, such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), human immunodeficiency virus-1 (HIV-1), and vaccinia virus.

Problem solved

sgRNA helps solve the problem of directing CRISPR activity to intended nucleic acid targets for precise manipulation. The review specifically frames scientifically valid sgRNA design, modification, and enrichment as important for improving mutation efficiency and reducing off-target effects in virus-focused CRISPR applications.

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Furthermore, we have emphasized the application of CRISPR technology in virus diagnosis and in finding significant genes involved in virus-host interactions.

Source:

This approach has provided an unprecedented opportunity for creating simple, inexpensive, specific, targeted, accurate, and practical manipulations of viruses, such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), human immunodeficiency virus-1 (HIV-1), and vaccinia virus.

Problem links

Need better screening or enrichment leverage

Derived

sgRNA (single-guide RNA) is the RNA guide element in CRISPR systems that directs sequence-specific targeting for RNA or DNA manipulation. In the cited review, sgRNA design and modification are highlighted as central determinants of effective virus-targeted gene knock-in, gene knock-out, and CRISPR/Cas mutation efficiency.

Need controllable genome or transcript editing

Derived

sgRNA (single-guide RNA) is the RNA guide element in CRISPR systems that directs sequence-specific targeting for RNA or DNA manipulation. In the cited review, sgRNA design and modification are highlighted as central determinants of effective virus-targeted gene knock-in, gene knock-out, and CRISPR/Cas mutation efficiency.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Component: A low-level RNA part used inside a larger architecture that realizes a mechanism.

Target processes

editingselection

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: regulator

The review emphasizes that effective use requires scientifically designed sgRNA and notes sgRNA modification and enrichment as practical strategies to improve CRISPR/Cas-induced mutation outcomes. No specific promoter, scaffold variant, delivery method, nuclease pairing, or organism-specific expression details are provided in the supplied evidence.

The provided evidence is from a review and does not report a specific sgRNA sequence, construct architecture, or quantitative benchmark for performance. Independent experimental validation of a particular sgRNA design strategy is not supplied in the evidence here.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1application areasupports2022Source 1needs review

The review emphasizes CRISPR applications in virus diagnosis and in identifying significant genes involved in virus-host interactions.

Furthermore, we have emphasized the application of CRISPR technology in virus diagnosis and in finding significant genes involved in virus-host interactions.
Claim 2application areasupports2022Source 1needs review

The review states that CRISPR enables targeted manipulation of viral genomes, including examples involving SARS-CoV-2, HIV-1, and vaccinia virus.

This approach has provided an unprecedented opportunity for creating simple, inexpensive, specific, targeted, accurate, and practical manipulations of viruses, such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), human immunodeficiency virus-1 (HIV-1), and vaccinia virus.
Claim 3broad application scopesupports2022Source 1needs review

The review describes CRISPR as a widely used tool for RNA and DNA manipulation in multiple organisms.

CRISPR (clustered regularly interspaced short palindromic repeats) is becoming one of the most functional and widely used tools for RNA and DNA manipulation in multiple organisms.
Claim 4design requirementsupports2022Source 1needs review

The review states that a valid and scientifically designed CRISPR system is critical for more effective and accurate viral changes.

Nevertheless, a valid and scientifically designed CRISPR system is critical to make more effective and accurate changes in viruses.
Claim 5diagnostic applicationsupports2022Source 1needs review

The review states that CRISPR can be used for effective and precise diagnosis of viral infections.

Furthermore, this method can be used to make an effective and precise diagnosis of viral infections.
Claim 6review focussupports2022Source 1needs review

The review focuses on effective design of sgRNA and on gene knock-in and gene knock-out strategies for virus-targeted manipulation.

In this review, we have focused on the best and the most effective ways to design sgRNA, gene knock-in(s), and gene knock-out(s) for virus-targeted manipulation.
Claim 7review focussupports2022Source 1needs review

The review focuses on effective design of sgRNA and on gene knock-in and gene knock-out strategies for virus-targeted manipulation.

In this review, we have focused on the best and the most effective ways to design sgRNA, gene knock-in(s), and gene knock-out(s) for virus-targeted manipulation.
Claim 8review focussupports2022Source 1needs review

The review focuses on effective design of sgRNA and on gene knock-in and gene knock-out strategies for virus-targeted manipulation.

In this review, we have focused on the best and the most effective ways to design sgRNA, gene knock-in(s), and gene knock-out(s) for virus-targeted manipulation.
Claim 9review focussupports2022Source 1needs review

The review focuses on effective design of sgRNA and on gene knock-in and gene knock-out strategies for virus-targeted manipulation.

In this review, we have focused on the best and the most effective ways to design sgRNA, gene knock-in(s), and gene knock-out(s) for virus-targeted manipulation.
Claim 10review focussupports2022Source 1needs review

The review focuses on effective design of sgRNA and on gene knock-in and gene knock-out strategies for virus-targeted manipulation.

In this review, we have focused on the best and the most effective ways to design sgRNA, gene knock-in(s), and gene knock-out(s) for virus-targeted manipulation.
Claim 11review focussupports2022Source 1needs review

The review focuses on effective design of sgRNA and on gene knock-in and gene knock-out strategies for virus-targeted manipulation.

In this review, we have focused on the best and the most effective ways to design sgRNA, gene knock-in(s), and gene knock-out(s) for virus-targeted manipulation.
Claim 12review focussupports2022Source 1needs review

The review focuses on effective design of sgRNA and on gene knock-in and gene knock-out strategies for virus-targeted manipulation.

In this review, we have focused on the best and the most effective ways to design sgRNA, gene knock-in(s), and gene knock-out(s) for virus-targeted manipulation.
Claim 13strategy summarysupports2022Source 2needs review

The review describes improving sgRNA design and modification as a strategy for improving the efficiency of CRISPR/Cas-induced mutations.

Strategies for improving the efficiency of CRISPR/Cas-induced mutations, such as ... improving the design and modification of sgRNA ... are comprehensively described in this review.

Approval Evidence

2 sources3 linked approval claimsfirst-pass slug sgrna
In this review, we have focused on the best and the most effective ways to design sgRNA, gene knock-in(s), and gene knock-out(s) for virus-targeted manipulation.

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Strategies for improving the efficiency of CRISPR/Cas-induced mutations, such as reducing off-target effects, improving the design and modification of sgRNA ... and enrichment of sgRNA, are comprehensively described in this review.

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design requirementsupports

The review states that a valid and scientifically designed CRISPR system is critical for more effective and accurate viral changes.

Nevertheless, a valid and scientifically designed CRISPR system is critical to make more effective and accurate changes in viruses.

Source:

review focussupports

The review focuses on effective design of sgRNA and on gene knock-in and gene knock-out strategies for virus-targeted manipulation.

In this review, we have focused on the best and the most effective ways to design sgRNA, gene knock-in(s), and gene knock-out(s) for virus-targeted manipulation.

Source:

strategy summarysupports

The review describes improving sgRNA design and modification as a strategy for improving the efficiency of CRISPR/Cas-induced mutations.

Strategies for improving the efficiency of CRISPR/Cas-induced mutations, such as ... improving the design and modification of sgRNA ... are comprehensively described in this review.

Source:

Comparisons

Source-backed strengths

The cited evidence supports sgRNA as a core determinant of CRISPR/Cas performance, with design and modification strategies described for improving induced mutation efficiency and reducing off-target effects. The review also situates these benefits in broad CRISPR use across RNA and DNA manipulation, including viral systems such as SARS-CoV-2, HIV-1, and vaccinia virus.

sgRNA and optimized prime editing strategy address a similar problem space because they share editing, selection.

Shared frame: shared target processes: editing, selection

sgRNA and photo-sensitive circular gRNAs address a similar problem space because they share editing.

Shared frame: same top-level item type; shared target processes: editing

Strengths here: looks easier to implement in practice.

Compared with RNA aptamer

sgRNA and RNA aptamer address a similar problem space because they share editing.

Shared frame: same top-level item type; shared target processes: editing

Strengths here: looks easier to implement in practice.

Ranked Citations

  1. 1.
    Best ReviewSource 1Cells2022Claim 1Claim 2Claim 3

    Seeded from load plan for claim cl4.