Single-sister labeling in the C. elegans germline using the nucleotide analog EdU

Summary: Reciprocal exchanges between genetically identical sister chromatids (sister chromatid exchanges or SCEs) have been challenging to study. Here, we describe a protocol that utilizes a pulse/chase of the thymidine analog 5-ethyl-3′-deoxyuridine (EdU) in combination with click chemistry and an...

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Main Authors: David E. Almanzar, Antonia Hamrick, Ofer Rog
Format: Article
Language:English
Published: Elsevier 2022-06-01
Series:STAR Protocols
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666166722002246
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author David E. Almanzar
Antonia Hamrick
Ofer Rog
author_facet David E. Almanzar
Antonia Hamrick
Ofer Rog
author_sort David E. Almanzar
collection DOAJ
description Summary: Reciprocal exchanges between genetically identical sister chromatids (sister chromatid exchanges or SCEs) have been challenging to study. Here, we describe a protocol that utilizes a pulse/chase of the thymidine analog 5-ethyl-3′-deoxyuridine (EdU) in combination with click chemistry and antibody labeling to selectively label sister chromatids in the C. elegans germline. Labeling has no discernable effects on meiosis, allowing for cytological quantification of SCEs. This protocol can be combined with a variety of imaging approaches, including STED, confocal and super-resolution.For complete details on the use and execution of this protocol, please refer to Almanzar et al. (2021).
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spelling doaj.art-73eb4b58d399473ab8ce966840328be02022-12-22T02:22:17ZengElsevierSTAR Protocols2666-16672022-06-0132101344Single-sister labeling in the C. elegans germline using the nucleotide analog EdUDavid E. Almanzar0Antonia Hamrick1Ofer Rog2School of Biological Sciences and Center for Cell and Genome Sciences, University of Utah, Salt Lake City, UT 84112, USASchool of Biological Sciences and Center for Cell and Genome Sciences, University of Utah, Salt Lake City, UT 84112, USASchool of Biological Sciences and Center for Cell and Genome Sciences, University of Utah, Salt Lake City, UT 84112, USA; Corresponding authorSummary: Reciprocal exchanges between genetically identical sister chromatids (sister chromatid exchanges or SCEs) have been challenging to study. Here, we describe a protocol that utilizes a pulse/chase of the thymidine analog 5-ethyl-3′-deoxyuridine (EdU) in combination with click chemistry and antibody labeling to selectively label sister chromatids in the C. elegans germline. Labeling has no discernable effects on meiosis, allowing for cytological quantification of SCEs. This protocol can be combined with a variety of imaging approaches, including STED, confocal and super-resolution.For complete details on the use and execution of this protocol, please refer to Almanzar et al. (2021).http://www.sciencedirect.com/science/article/pii/S2666166722002246Cell BiologyGeneticsMicroscopyModel OrganismsMolecular BiologyMolecular/Chemical Probes
spellingShingle David E. Almanzar
Antonia Hamrick
Ofer Rog
Single-sister labeling in the C. elegans germline using the nucleotide analog EdU
STAR Protocols
Cell Biology
Genetics
Microscopy
Model Organisms
Molecular Biology
Molecular/Chemical Probes
title Single-sister labeling in the C. elegans germline using the nucleotide analog EdU
title_full Single-sister labeling in the C. elegans germline using the nucleotide analog EdU
title_fullStr Single-sister labeling in the C. elegans germline using the nucleotide analog EdU
title_full_unstemmed Single-sister labeling in the C. elegans germline using the nucleotide analog EdU
title_short Single-sister labeling in the C. elegans germline using the nucleotide analog EdU
title_sort single sister labeling in the c elegans germline using the nucleotide analog edu
topic Cell Biology
Genetics
Microscopy
Model Organisms
Molecular Biology
Molecular/Chemical Probes
url http://www.sciencedirect.com/science/article/pii/S2666166722002246
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