'Base substitution' diaporamas de présentation

DNA RNA Protein

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Microbial Physiology and Genetics

Microbial Physiology and Genetics. ?????????? ???. Microbial Physiology. Nutritional factors for microbial growth Environmental factors for microbial growth Pure culture Culture of microorganisms Culture media Dependence on oxygen Bacterial growth in laboratory conditions

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What are Prions?

Fatal Familial Insomnia: Pathogenesis caused by a mutation affecting the metabolism of the normal prion protein. By Sabrina T. Gillig BIO-475 Seminar Dr. Peter Lin.

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POINT MUTATIONS

POINT MUTATIONS. Not like X-Men. MUTATION. Any change in the genetic sequence (DNA) that affects the genetic information. POINT MUTATIONS. Occurs at 1 single point in DNA These could cause one amino acid to change, which would change the protein that is being produced. POINT MUTATIONS.

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Gene action

Gene action. Protein function, and when it all goes wrong!. What do proteins do?. Structural genes: produce proteins that become a part of the structure and functioning of the organism

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Transcription and Translation

Transcription and Translation. From DNA to RNA to protein. Overview. Genes in DNA contain information to make proteins. The cell makes mRNA copies of genes that are needed. The mRNA is read at the ribosomes in the rough ER. Protein is produced. Key Players.

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11.6: DNA Mutation

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BACTERIAL GENETICS

BACTERIAL GENETICS. HOW BACTERIA GAIN NEW GENETIC INFORMATION MUTATION TRANSFORMATION CONJUGATION TRANSDUCTION. DEFINITION OF A MUTATION: ANY CHANGE IN THE NITROGEN BASE SEQUENCE OF DNA IS A MUTATION ANYTHING THAT CAUSES MUTATIONS IS CALLED A MUTAGEN

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Microbial Genetics

8. Microbial Genetics. Mutation. A change in the genetic material Mutations may be neutral, beneficial, or harmful . Mutagen : Agent that causes mutations Spontaneous mutations : Occur in the absence of a mutagen. Base substitution ( point mutation ) - Change in one base

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HOT TOPICS

HOT TOPICS. 1. Sickle cell anemia, used as an example of a single base substitution mutation and as an example of transient polymorphism (GAG mutates to GTG, glutamic acid to valine ). Sickle Cell Anemia is the result of a gene mutation called a base substitution

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HOT TOPICS

HOT TOPICS. 1. Sickle cell anemia, used as an example of a single base substitution mutation and as an example of transient polymorphism (GAG mutates to GTG, glutamic acid to valine). Sickle Cell Anemia is the result of a gene mutation called a base substitution

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Gene Regulation

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CH. 11.6 Mutations in Genes

CH. 11.6 Mutations in Genes. Objectives: Describe the following types of mutations: Base substitution Base insertion or deletion 2. Explain what can cause a mutation. Vocabulary: Mutation Mutagen. Mutations. Any change in nucleotide sequence of DNA Effects vary: None --> Severe.

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DNA Synthesis

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Gene Mutation

Gene Mutation. *Mutation. Chromosome mutations/aberrations. Classification of Mutations. 1. Spontaneous vs. Induced Spontaneous mutation Induced mutation. 2. Gametic vs. Somatic Somatic mutation Gametic mutation. 3. Other categories. Gene Mutation.

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Mutations evolution.berkeley/evolibrary/article/mutations_03

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1. Where does translation take place? 2. What is an anticodon? 3. What is base substitution?

1. Where does translation take place? 2. What is an anticodon? 3. What is base substitution? 4. How does a frame shift mutation occur? 5. Why do not all frame shift mutations result in a change in the amino acid sequence? 6. State 2 causes of mutations.

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