Gata1a Morpholino
Gata1a Morpholino - Related Videos
08:47
Gene Silencing with Morpholinos
0 Views •
2023
Morpholino-mediated gene silencing is a common technique used to study roles of specific genes during development. Morpholinos inhibit gene expression by hybridizing to complementary mRNAs. Due to their unique chemistry, morpholinos are easy to produce and store, which makes them remarkably cost effective compared to other gene silencing methods. This video reviews proper experimental design when using these oligonucleotides. Following that, an explanation of morpholino microinjection...
03:30
Morpholino Mediated Gene Editing: A Gene Knockdown Technique Using Translational Blocking Morpholino Oligonucleotides in Single-Celled Cavefish Eggs
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2025
This video describes a gene knockdown technique using translational blocking morpholinos microinjected in the one-cell stage of the cavefish. Morpholinos are DNA oligonucleotides that bind to the complementary sequence of target mRNA and block its translation to a protein. Consequently, morpholinos are used as molecular tools to stop or reduce a gene’s expression transiently.
03:02
Morpholino Injection: A Method to Knockdown Target Gene Expression to Study Function in Zebrafish
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2023
The protocol describes targeted knockdown of gene expression in zebrafish by morpholino injection in the tail.
06:55
In vivo Electroporation of Morpholinos into the Adult Zebrafish Retina
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Cited by 40 •
2011
A method to conditionally knockdown a target protein’s expression in the adult zebrafish retina is described, which involves intravitreally injecting antisense morpholinos and electroporating them into the retina. The resulting protein is knocked down for several days, which allows testing the protein’s role in the regenerating or intact retina.
11:33
Microinjection of mRNA and Morpholino Antisense Oligonucleotides in Zebrafish Embryos.
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Cited by 87 •
2009
Microinjection is a well-established and effective method for introducing foreign substances into fertilized zebrafish embryos. Here, we demonstrate a robust microinjection technique for performing mRNA overexpression, and morpholino oligonucleotide gene knockdown studies in zebrafish.
FAQs
Two molecular outcomes are possible after Gata1a morpholino delivery: translation blockade or disruption of pre-mRNA splicing. In the first case, the targeted RNA cannot efficiently support production of Gata1a; in the second, RNA processing is altered before translation. These distinct interference routes both reduce Gata1a activity, allowing investigators to connect impaired activity with changes in erythropoiesis.
Because Gata1a regulates blood cell development, reducing its activity provides a functional test of its contribution to erythropoiesis rather than merely showing where the gene is present. A resulting red blood cell formation phenotype can therefore be examined alongside the proposed gene regulatory network, helping bioengineers assess how this transcription factor fits within a developmental control system.
Interpretation depends strongly on experimental conditions. Morpholino effects can vary with both dose and delivery, so a phenotype should not be attributed to Gata1a activity without appropriate controls. These controls help distinguish consequences of the intended reduction from effects associated with how much reagent was delivered or how it entered early embryos, improving confidence in mechanistic conclusions.
A basic study begins by delivering the morpholino into early embryos, then examining the resulting developmental outcome, especially changes associated with erythropoiesis. Investigators compare treated embryos with suitable controls and relate the phenotype to reduced Gata1a activity. This workflow supports rapid functional testing while preserving the need to interpret results in light of dose and delivery conditions.
It is suited to rapid, temporary perturbation of a developmental regulator when researchers want to test gene function without relying on a lasting change. The resulting loss-of-function phenotype can help evaluate engineered systems that model hematopoiesis and reveal whether those systems reproduce Gata1a-dependent blood-development behavior.
By reducing Gata1a activity during early development, the experiment can support analysis of its role in erythropoiesis and in broader gene regulatory networks. In engineered hematopoiesis models, comparing responses with and without the perturbation helps evaluate whether the system captures relevant control of red blood cell formation.