A simple device to immobilize protists for electrophysiology and microinjection.


Journal

The Journal of experimental biology
ISSN: 1477-9145
Titre abrégé: J Exp Biol
Pays: England
ID NLM: 0243705

Informations de publication

Date de publication:
17 06 2020
Historique:
received: 29 11 2019
accepted: 05 05 2020
pubmed: 16 5 2020
medline: 22 6 2021
entrez: 16 5 2020
Statut: epublish

Résumé

We present a simple device to mechanically immobilize motile cells such as ciliates. It can be used in particular for intracellular electrophysiology and microinjection. A transparent filter with holes smaller than the specimen is stretched over an outlet. A flow is induced by either a peristaltic pump or a depressurized tank, mechanically entraining cells to the bottom, where they are immobilized against the filter. The cells start swimming again as soon as the flow is stopped. We demonstrate the device by recording action potentials in

Identifiants

pubmed: 32409484
pii: jeb.219253
doi: 10.1242/jeb.219253
pii:
doi:

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Informations de copyright

© 2020. Published by The Company of Biologists Ltd.

Déclaration de conflit d'intérêts

Competing interestsThe authors declare no competing or financial interests.

Auteurs

Anirudh Kulkarni (A)

Sorbonne Université, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, F-75012 Paris, France.

Irene Elices (I)

Sorbonne Université, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, F-75012 Paris, France.

Nicolas Escoubet (N)

Sorbonne Université, CNRS, Institut de Biologie Paris-Seine (IBPS), Laboratoire Jean Perrin (LJP), F-75005, Paris, France.

Léa-Laetitia Pontani (LL)

Sorbonne Université, CNRS, Institut de Biologie Paris-Seine (IBPS), Laboratoire Jean Perrin (LJP), F-75005, Paris, France lea-laetitia.pontani@sorbonne-universite.fr alexis.prevost@sorbonne-universite.fr romain.brette@inserm.fr.

Alexis Michel Prevost (AM)

Sorbonne Université, CNRS, Institut de Biologie Paris-Seine (IBPS), Laboratoire Jean Perrin (LJP), F-75005, Paris, France lea-laetitia.pontani@sorbonne-universite.fr alexis.prevost@sorbonne-universite.fr romain.brette@inserm.fr.

Romain Brette (R)

Sorbonne Université, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, F-75012 Paris, France lea-laetitia.pontani@sorbonne-universite.fr alexis.prevost@sorbonne-universite.fr romain.brette@inserm.fr.

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Classifications MeSH