Name: myTags Expert SARS-CoV-2
Brand: Arbor Biosciences

myTags – In-Situ Hybridization Probes

myTags Expert SARS-CoV-2

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FISH probe set for localization of full-length RNA sequence of the 2019 novel coronavirus (SARS-CoV-2) responsible for COVID-19 disease.

myTags SARS-CoV-2 (COVID-19)

The myTags^® technology has been expanded to development of FISH probe sets to detect full-length sequence of both the native viral RNA or positive (+) strand and the actively replicating RNA or negative (-) strand from the SARS-CoV-2 virus. These probe sets may be used in various FISH applications including human and Vero (African Green Monkey kidney epithelial) cell cultures.

The myTags Expert SARS-CoV-2 probes were designed using the most recent genome available. These probe sets are specific to the SARS-CoV-2 virus and will not hybridize significantly to any other circulating human coronaviruses. The probe set is provided as either myTags Immortal, which can be amplified for continual use and labeled by the end-user, or as myTags Labeled probes which arrive ready for immediate use in cytogenetic applications.

Convenient – Pre-labeled myTags probe sets are ready to use. Commonly used fluorophores are available.
Range of applications – The probes are compatible with all cytogenomic applications
Unlimited supply – Immortal libraries can be amplified and provide an unending supply.

Probes are for research use only. Not validated for diagnostic or therapeutic purposes.

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Ordering Information

Size

Cat#

Qty

Price

myTags SARS-CoV-2 Labeled for (+) Strand

451102

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myTags SARS-CoV-2 Immortal for (+) Strand

451101

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myTags SARS-CoV-2 Labeled for (-) Strand

451202

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myTags SARS-CoV-2 Immortal for (-) Strand

451201

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myTags SARS-CoV-2 Triple Label Upgrade – new

400306

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Available and in-stock for immediate shipment.

Probe Coverage

The myTags Expert SARS-CoV-2 probes are available to detect both the positive (+) strand and negative (-) strand sequences. The (+) probe set will detect the viral genomic RNA. Detection of the virus (-) strand is indicative of active viral replication. The (+) and (-) strand probes are not designed to be used in the same hybridization experiment. If co-hybridization is required for your experimental design, please contact us for a customized probe solution.

Performance
Overview
Resources

Performance

Highly Specific Detection of the SARS-CoV-2 Viral Genome

Huh7 cells infected with SARS-CoV-2 and processed 2 days after exposure. (A.) Detection of viral RNA genome using myTags SARS-CoV-2 (+) Strand Labeled Probe Set with ATTO 647N fluorescent tag (magenta). (B.) Detection of SARS- CoV-2 protein present in infected cells with immunocytochemistry (ICC) via antibodies labelled with Alexa 488 fluorescent tag (green). (C.) Signals merged, with cell nuclei visualized in grey/blue via DAPI staining. The co-localization of green and magenta signals demonstrates that the myTags SARS-CoV-2 Labeled Probe is highly specific at labeling cells with active SARS-CoV-2 viral infections. Read more about this research project utilizing the myTags Expert SARS-CoV-2 probes: Mirabelli et al. (2021), PNAS

Overview

myTags Expert SARS-CoV-2 probes are available to detect both the positive (+) strand and negative (-) strand sequences. SARS-CoV-2 is a class IV RNA virus with an ssRNA genome (positive strand). The probes to detect the (+) strand will hybridize to full-length genomic (+) strand RNA as well as subgenomic (+) strand RNAs made during replication. Detection of the (-) strand is a hallmark of active viral replication. The probes to detect the (-) strand will hybridize to the full-length (-) strand as well as subgenomic (-) strand RNAs.

The full-length SARS-CoV-2 genome sequence was used for probe design. These probes are designed to not significantly detect other circulating human coronaviruses, including beta, alpha, and delta coronaviruses. The positive (+) and negative (-) strand probes are not designed to be used in the same hybridization experiment. If co-hybridization is required for your experimental design, please contact us for a customized probe solution.

These probes can be used in various FISH applications. The probe sets have been designed to be used in human cell lines and tissue, and have been confirmed for application in Vero cell cultures. A suitable application of these probes would be cell culture experiments utilized in drug discovery research. In experimental applications where viral infection is not controlled, additional confirmation of SARS-CoV-2 presence via PCR is recommended.

myTags Expert SARS-CoV-2 probes are available two formats: Immortal probes that are ready to be coupled with your preferred tag(s), or ready-to-use Labeled probes with Alexa-488, ATTO-550, or ATTO-647N fluorescent tags. For experiments that need a brighter signal, the 3X fluorescent tag upgrade is recommended. The brighter signal from the triple tags can assist in detection of lower cellular viral RNA concentrations at earlier experimental time points.

Resources