Zebrafish Embryogenesis
Zebrafish Embryogenesis - Related Videos
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A Method for Characterizing Embryogenesis in Arabidopsis
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Cited by 11 •
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This protocol outlines a method for observing embryogenesis in Arabidopsis via ovule clearance followed by the inspection of embryo pattern formation under a microscope.
06:59
A Reverse Genetic Approach to Test Functional Redundancy During Embryogenesis
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Cited by 6 •
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Gene function can be obscured in loss-of-function experiments if there is compensation by another gene. The zebrafish model provides a relatively high-throughput means to reveal such functional redundancy in living embryos.
07:58
Time-lapse Microscopy of Early Embryogenesis in Caenorhabditis elegans
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Cited by 8 •
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This article describes a technique for the visualization of the early events of embryogenesis in the nematode Caenorhabditis elegans.
09:52
Visualizing Neuroblast Cytokinesis During C. elegans Embryogenesis
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Cited by 6 •
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This protocol describes how to image dividing cells within a tissue in Caenorhabditis elegans embryos. While several protocols describe how to image cell division in the early embryo, this protocol describes how to image cell division within a developing tissue during mid late embryogenesis.
05:54
Microbead Implantation in the Zebrafish Embryo
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Cited by 8 •
2015
The zebrafish is an excellent model system for genetic and developmental studies. Bead implantation is a valuable tissue manipulation technique that can be used to interrogate developmental mechanisms by introducing alterations in local cellular environments. This protocol describes how to perform microbead implantation in the zebrafish embryo.
FAQs
Development proceeds through an ordered sequence in which rapid cleavage creates a blastoderm, epiboly and gastrulation reshape cell positions, segmentation establishes repeated body organization, and organ formation produces specialized tissues. Hatching then marks the transition toward a free-swimming larva. Examining these stages helps investigators relate visible structural changes to the underlying progression of vertebrate development.
Cell movements place groups of cells in the locations needed to form tissues, while signaling pathways coordinate their behavior and developmental identity. Their combined activity establishes the body axis and organizes tissue formation rather than allowing cells to develop independently. Studying this coordination helps reveal how disruptions in genes or signals can alter embryonic outcomes.
Researchers compare the expected sequence of cleavage, epiboly, gastrulation, segmentation, organ formation, and hatching with the progression observed under a particular genetic or environmental condition. Changes in tissue organization, body-axis establishment, or the transition to a free-swimming larva can indicate altered development. This stage-based view connects visible outcomes with specific developmental processes.
A study can follow embryos externally through successive developmental stages and observe changes in living animals as tissues and organs form. Because the embryos are transparent, investigators can monitor structural development directly rather than relying only on later measurements. The resulting observations can be paired with genetic manipulation or altered environmental conditions to examine causes of developmental change.
Genetic manipulation allows researchers to test how particular genes or signaling pathways influence embryonic development. Investigators can then examine whether changes appear during cell movements, body-axis establishment, tissue formation, organ development, or hatching. This approach links genetic activity with developmental outcomes and supports mechanistic studies in developmental biology as well as investigations of disease-related processes.
The model supports research on disease mechanisms, toxicology, and regenerative biology in addition to vertebrate development. Researchers can examine how genes, signals, or environmental conditions shape embryonic outcomes in an externally developing animal. Transparent embryos and genetic manipulation make it possible to connect observable developmental changes with experimental factors across several research contexts.