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JoVE Journal
Biology
Microscopia 4D del lievito
Microscopia 4D del lievito
JoVE Journal
Biology
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JoVE Journal Biology
4D Microscopy of Yeast

Microscopia 4D del lievito

Full Text
9,363 Views
12:00 min
April 28, 2019

DOI: 10.3791/58618-v

Natalie Johnson1, Benjamin S. Glick1

1Department of Molecular Genetics and Cell Biology,University of Chicago

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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

This study employs multi-color 4D confocal microscopy to analyze fluorescently labeled intracellular compartments in budding yeast. This approach enables detailed tracking of organelle dynamics over time, improving our understanding of intracellular processes.

Key Study Components

Research Area

  • Cell biology
  • Microscopy
  • Intracellular dynamics

Background

  • Intracellular compartments play crucial roles in cellular function.
  • Budding yeast serves as a model organism for studying cellular processes.
  • Photodamage during imaging must be minimized to capture accurate data.

Methods Used

  • Multi-color 4D confocal microscopy
  • Yeast as a biological system
  • ImageJ plugins for quantitative analysis

Main Results

  • Dynamic tracking of fluorescently labeled structures over time.
  • Insights into the transient nature of organelles.
  • Enhanced understanding of intracellular dynamics through quantitative analysis.

Conclusions

  • The study demonstrates a robust method for observing intracellular dynamics in yeast.
  • Findings are relevant for advancing knowledge in cellular biology and imaging techniques.

Frequently Asked Questions

What type of microscopy is used in this study?
Multi-color 4D confocal microscopy is utilized to analyze intracellular structures.
Why is budding yeast chosen as the model organism?
Budding yeast provides a straightforward system to study cellular processes and dynamics.
How does the protocol ensure minimal photodamage?
The method includes optimized imaging parameters to limit exposure while capturing adequate signals.
What software is used for analysis?
Custom ImageJ plugins are employed for tracking and quantitatively analyzing labeled structures.
What are the implications of this research?
It enhances understanding of intracellular organelle behavior and supports future biological studies.
What type of data is generated from this microscopy method?
4D imaging data enabling dynamic analysis of fluorescently labeled structures.

Questo protocollo descrive l'analisi dei compartimenti intracellulari etichettati fluorescentmente in lievito in erba utilizzando la microscopia confocale 4D (time-lapse 3D). I parametri di imaging vengono scelti per catturare segnali adeguati limitando i fotodanni. I plug-in Custom ImageJ consentono di tenere traccia delle strutture etichettate e di analizzarle quantitativamente.

Questo metodo tiene traccia delle strutture nelle cellule di lievito in tre dimensioni in molti minuti, permettendoci di studiare la dinamica degli organelli e compartimenti intracellulari. L'imaging 4D ci consente di trarre conclusioni affidabili sulla dinamica intracellulare, in particolare per strutture o marcatori che possono essere transitori. A dimostrare la procedura sarà Natalie Johnson, una postdoc del mio laboratorio.

Inizia coltivando una coltura notturna del ceppo di lievito di interesse in cinque millilitri di sintetico non fluorescente definito, o NSD, medio, in un pallone sconcertato da 15 millilitri con una buona aerazione, a 23 gradi Celsius. Da tre a quattro ore prima dell'analisi, diluire la coltura del lievito di fase logaritmica in mezzo NSD fresco, in modo che la densità ottica finale a 600 nanometri, o OD600, sia da 0,5 a 0,8 al momento dell'imaging. Almeno un'ora prima che la coltura sia pronta, centrifugare un'aliquota di due milligrammi per millilitro Concanavalin Una soluzione per cinque minuti a tutta velocità, pellettare eventuali particelle e aggiungere 250 microlitri del supernatante in un piatto di microscopia inferiore in vetro pulito da 35 millimetri.

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