Related Experiment Video
Updated: Jan 19, 2026
01:09
Mutation, Gene Flow, and Genetic Drift
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[A case report of X-linked sideroblastic anemia with novel ALAS2 gene mutation]
Zhonghua Xue Ye Xue Za Zhi = Zhonghua Xueyexue Zazhi
|September 10, 2019
Abstract
No abstract available in PubMed .
Related Concept Videos
01:09Mutation, Gene Flow, and Genetic Drift
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In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
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02:11Reporter Genes
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Reporter genes are a type of protein-coding gene that are often tagged to a gene of interest. Once inside a target cell, reporter genes usually produce visually identifiable characteristics like fluorescence and luminescence when expressed along with the gene of interest. Thus, reporter genes “report” the presence or absence of genes of interest in an organism, determine the gene expression pattern, or track the physical location of a DNA segment or protein in the cell.
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02:04Covalently Linked Protein Regulators
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Proteins can undergo many types of post-translational modifications, often in response to changes in their environment. These modifications play an important role in the function and stability of these proteins. Covalently linked molecules include functional groups, such as methyl, acetyl, and phosphate groups, and also small proteins, such as ubiquitin. There are around 200 different types of covalent regulators that have been identified.
These groups modify specific amino acids in a protein....
These groups modify specific amino acids in a protein....
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01:39Mutations
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This video demonstrates an in vivo assay in bacteria to study the interaction of RNA-binding proteins (RBPs) with RNA. The bacterial cells are transformed with two plasmid constructs — a binding-site plasmid encoding an mRNA containing a fluorescent reporter gene downstream of an RBP-binding site — while an RBP plasmid expresses the RBP proteins under the control of an inducer. Upon inducer-mediated increase in RBP production, the RBPs bind to the mRNA, resulting in translational...
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