Microinjection Method for Analyzing Zebrafish Early Stage Oocytes

Maternal factors which accumulate and establish oocyte polarity during the early stages of oogenesis play key roles in embryonic development, as well as germ cell formation. However, vertebrate oogenesis, especially early stages of oogenesis, is not well understood due to the difficulty of accessing...

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Main Authors: Manami Kobayashi, Allison Jamieson-Lucy, Mary C. Mullins
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-11-01
Series:Frontiers in Cell and Developmental Biology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fcell.2021.753642/full
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author Manami Kobayashi
Allison Jamieson-Lucy
Mary C. Mullins
author_facet Manami Kobayashi
Allison Jamieson-Lucy
Mary C. Mullins
author_sort Manami Kobayashi
collection DOAJ
description Maternal factors which accumulate and establish oocyte polarity during the early stages of oogenesis play key roles in embryonic development, as well as germ cell formation. However, vertebrate oogenesis, especially early stages of oogenesis, is not well understood due to the difficulty of accessing these oocytes and the lack of analytical methods. Here, we report on a microinjection method for analyzing zebrafish early-stage oocytes and some artifacts to be aware of when performing oocyte injections or analyzing oocytes. Using this method, we successfully injected mRNAs encoding fluorescent-tagged proteins into early-stage oocytes and observed subcellular localization in the live oocytes. This method is expected to advance the functional analysis of genes involved in oogenesis.
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spelling doaj.art-4d7c4bdcfcb24c4a8a1d199ca5ff22ea2022-12-21T20:48:29ZengFrontiers Media S.A.Frontiers in Cell and Developmental Biology2296-634X2021-11-01910.3389/fcell.2021.753642753642Microinjection Method for Analyzing Zebrafish Early Stage OocytesManami KobayashiAllison Jamieson-LucyMary C. MullinsMaternal factors which accumulate and establish oocyte polarity during the early stages of oogenesis play key roles in embryonic development, as well as germ cell formation. However, vertebrate oogenesis, especially early stages of oogenesis, is not well understood due to the difficulty of accessing these oocytes and the lack of analytical methods. Here, we report on a microinjection method for analyzing zebrafish early-stage oocytes and some artifacts to be aware of when performing oocyte injections or analyzing oocytes. Using this method, we successfully injected mRNAs encoding fluorescent-tagged proteins into early-stage oocytes and observed subcellular localization in the live oocytes. This method is expected to advance the functional analysis of genes involved in oogenesis.https://www.frontiersin.org/articles/10.3389/fcell.2021.753642/fulloocytesbalbiani bodyzebrafishmicroinjectionbucky balloogenesis
spellingShingle Manami Kobayashi
Allison Jamieson-Lucy
Mary C. Mullins
Microinjection Method for Analyzing Zebrafish Early Stage Oocytes
Frontiers in Cell and Developmental Biology
oocytes
balbiani body
zebrafish
microinjection
bucky ball
oogenesis
title Microinjection Method for Analyzing Zebrafish Early Stage Oocytes
title_full Microinjection Method for Analyzing Zebrafish Early Stage Oocytes
title_fullStr Microinjection Method for Analyzing Zebrafish Early Stage Oocytes
title_full_unstemmed Microinjection Method for Analyzing Zebrafish Early Stage Oocytes
title_short Microinjection Method for Analyzing Zebrafish Early Stage Oocytes
title_sort microinjection method for analyzing zebrafish early stage oocytes
topic oocytes
balbiani body
zebrafish
microinjection
bucky ball
oogenesis
url https://www.frontiersin.org/articles/10.3389/fcell.2021.753642/full
work_keys_str_mv AT manamikobayashi microinjectionmethodforanalyzingzebrafishearlystageoocytes
AT allisonjamiesonlucy microinjectionmethodforanalyzingzebrafishearlystageoocytes
AT marycmullins microinjectionmethodforanalyzingzebrafishearlystageoocytes