The C. elegans Intestine As a Model for Intercellular Lumen Morphogenesis and In Vivo Polarized Membrane Biogenesis at the Single-cell Level: Labeling by Antibody Staining, RNAi Loss-of-function Analysis and Imaging

Overview

This article presents a protocol for using the transparent C. elegans intestine as an in vivo tissue chamber to study apicobasal membrane and lumen biogenesis. The methods described allow for the analysis of these processes at the single-cell and subcellular levels during multicellular tubulogenesis.

Key Study Components

Area of Science

• Neuroscience
• Cell Biology
• Developmental Biology

Background

• The C. elegans intestine consists of a transparent single layer of 20 cells.
• This model system is advantageous for studying polarized membrane biogenesis.
• Understanding membrane domains and sub-cellular asymmetries is crucial during morphogenesis.
• The study focuses on apical membrane and lumen biogenesis.

Purpose of Study

• To analyze polarized membrane biogenesis and lumen morphogenesis in vivo.
• To address key questions regarding the establishment and maintenance of membrane domains.
• To extend techniques to other C. elegans morphogenesis phenotypes.

Methods Used

• Standard labeling techniques.
• Loss-of-function genetic and RNAi approaches.
• Refined imaging techniques for fixed and live animals.
• Identification of lumen morphogenesis phenotypes.

Main Results

• Demonstrated the utility of the C. elegans intestine for in vivo analysis.
• Highlighted the processes of polarized membrane and lumen biogenesis.
• Provided insights into membrane domain distinctions and sub-cellular components.
• Showcased the relevance of the model for studying morphogenesis.

Conclusions

• The C. elegans intestine is an effective model for studying membrane biogenesis.
• The methods can be applied to various aspects of C. elegans morphogenesis.
• This research contributes to understanding cellular polarity and biogenesis.

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