Microinjection Technique
Microinjection Technique - Related Videos
08:12
Zebrafish Microinjection Techniques
0 Views •
2023
One of the major advantages to working with zebrafish (Danio rerio) is that their genetics can be easily manipulated by microinjection of early stage embryos. Using this technique, solutions containing genetic material or knockdown constructs are delivered into the blastomeres: the embryonic cells sitting atop the yolk of the newly fertilized egg. Delivery into the cytoplasm is achieved either through direct injection into the blastomere, or via natural cytoplasmic movements that occur after a...
11:29
Technique to Target Microinjection to the Developing Xenopus Kidney
0 Views •
Cited by 17 •
2016
Here, we present a protocol to use fate maps and lineage tracers to target injections into individual blastomeres that give rise to the kidney of Xenopus laevis embryos.
03:58
Embryo Microinjection: A Technique to Deliver a Compound into the Zebrafish Yolk
0 Views •
2023
This video describes a technique of Embryo microinjection to deliver compounds into Zebrafish yolk sac.
02:33
A Technique to Develop a Parasite Infection in Intestinal Organoids via Microinjection
0 Views •
2025
This video demonstrates a microinjection technique to develop a human intestinal organoid infection model. The infectious sporozoite stage of the parasite Cryptosporidium parvum is microinjected into the organoid lumen. Upon invading the epithelial cells of the organoid, it undergoes asexual and sexual reproduction to complete its life cycle and spreads the infection.
09:25
Microinjection Techniques for Studying Mitosis in the Drosophila melanogaster Syncytial Embryo
0 Views •
Cited by 18 •
2009
This protocol describes the use of microinjection and high resolution imaging in the Drosophila melanogaster syncytial embryo to study mitosis.
FAQs
Controlled pressure or carefully directed mechanical movement drives material through the fine glass micropipette and into the selected target. The researcher can therefore regulate where the material enters and limit unnecessary exposure of surrounding structures. This precision is especially important when comparing effects in the cytoplasm, nucleus, or extracellular space.
The compartment receiving the material determines which part of the biological system is directly manipulated. Delivery to the cytoplasm, nucleus, or extracellular space supports different experimental aims while preserving localized control. Selecting the compartment under microscopic observation helps connect the introduced material with questions about cell function, genetic regulation, or development.
Microinjection delivers material to a chosen microscopic target rather than exposing a larger population or surrounding region uniformly. Its direct, localized action gives researchers greater control over the site of manipulation and the amount introduced. That distinction makes the technique useful when spatial precision is more important than broad treatment of biological material.
A typical workflow uses a microscope to view the target, positions a fine glass micropipette, and aligns it with the intended site. The researcher then applies controlled pressure or mechanical movement to introduce the selected material into the cytoplasm, nucleus, or extracellular space, while limiting damage to the target structure.
Applications include embryo manipulation, transgenesis, fertilization studies, gene editing, and cytoplasmic transfer. In each case, the technique provides a way to introduce material directly into a selected biological structure. This supports experiments that require controlled manipulation of early development, inherited information, fertilization-related processes, or cytoplasmic contents.
By introducing material at a defined microscopic location, researchers can examine consequences for cell function, development, and genetic regulation. The resulting observations may connect a manipulated component with a biological response more directly than a bulk treatment allows. In biology, this makes the approach useful for testing how localized interventions affect complex cellular systems.