Miki Lee / OEB 192 – 08.11.12 Mobile genetic elements and adaptive mutation.

Slides:

Advertisements

Similar presentations

Natural Selection.

Advertisements

7d. Know variation within a species increases the likelihood that at least some members of a species will survive under changed environmental conditions.

Exact and heuristics algorithms

Bellringer – Study for Chapter 13 Quiz -Selective Breeding -Hybridization -Inbreeding -Genetic Engineering -Restriction Enzyme -Gel Electrophoresis -Recombinant.

OEB 192 – Tradeoffs, specialization & pleiotropy.

OEB 192 – Genetic & physiological basis of adaptation (Goddard et al., Nature) (Cooper, PLoS Biol.)

OEB 192 – Physiological basis of adaptation.

OEB 192 – Tradeoffs, specialization & pleiotropy.

OEB 192 – Mobile genetic elements and adaptive mutation.

BIOS E-127 – Pleiotropy & specialization.

OEB 192 – Phenotypic diversity & epigenetics.

OEB 192 – Optimality & evolution of networks.

Detecting HGT: discordant phylogenies OEB 192 –

BIOS E-127 – Prior theme music: “Evolutionary speculation.

OEB 192 – Phenotypic diversity & epigenetics.

OEB 192 – Mutation rate & population size I.

Genetic exchange in bacteria/archaea OEB 192 –

BIOS E-127 – Evolution of digital organisms.

BIOS E-127 – Evolution of microbes. An example story BIOS E-127 – (Nature 394:69-72)

1. How does conjugation work? Sex in Bacteria How do bacteria exchange DNA.

Saturday May 02 PST 4 PM. Saturday May 02 PST 10:00 PM.

BIOS E-127 – Physiological basis of fitness & optimality.

A Closer Look At Darwin’s Idea of Natural Selection

Evidence for Biological Evolution. Evolution results from 4 factors:  Potential for a species to increase in number  Heritable genetic variation  Due.

Modern Evolutionary Theory. Darwin and Mendel Supports Darwin’s concepts of variation and natural selection Explains the genetic basis for variations.

Biology EOC Review Evolution. Evolution Explain biological evolution as the consequence of the interaction of population growth, inherited variability.

Copyright © 2009 Pearson Education, Inc. Chapter 15 Lecture Concepts of Genetics Tenth Edition Gene Mutation, DNA Repair, and Transposition.

Genomes & their evolution Ch 21.4,5. About 1.2% of the human genome is protein coding exons. In 9/2012, in papers in Nature, the ENCODE group has produced.

Natural Selection. Natural Selection in a Nutshell Variation (Due to Mutations/Sex) Selection Pressures (Environmental Constraints) Differential Survival.

1.Behavior geneticists study the genetic basis of behavior and personality differences among people. 2.The more closely people are biologically related,

Mechanisms of Evolution Concept 2 – Analyzing Descent with Modification: A Darwinian View of Life (Ch 22) Part 2: Evidence for Evolution.

EVOLUTION Life on earth began as simple and primitive forms, by natural selection, over a long time various complex organisms form.

1 Sharing of genetic information Bacteria are successful because 1.They carefully regulate their use of energy in metabolic processes by shutting down.

Copyright © 2009 Pearson Education, Inc. Art and Photos in PowerPoint ® Concepts of Genetics Ninth Edition Klug, Cummings, Spencer, Palladino Chapter 22.

MONDAY. BIO I 1,2,5,7 Period Bell work: Answer Key Questions on pg 418. Objective: I will demonstrate understanding of selective breeding through.

HAPPY TUESDAY Bellwork: On your bellwork sheet write “Mosst Missed Quiz and Fill in KWL Chart”. On the “Natural Selection Video Guide” Handout, fill in.

OBJECTIVE 6 NOTES Evolution, Natural Selection & Adaptations.

The Theory of Evolution. What is the Theory of Evolution? Theory: well-supported testable explanation of phenomena that have occurred in the natural world.

HAPPY MONDAY – WELCOME BACK! Bellwork Find your new seat! Have out your IBB Folder and notecards On your bellwork sheet for today write “Test Analysis”

Warm Up Contrast homologous and analogous characteristics.

EVOLUTION …via Natural Selection. Organisms produce more offspring than can survive.

Chapter 5 Highlights Mrs. Thompson APES Key Ideas Describe biodiversity and how it is measured Relate biodiversity to resilience and survival Describe.

Genes and Variation Genotypes and phenotypes in evolution Natural selection acts on phenotypes and does not directly on genes. Natural selection.

HARDY-WEINBERG AND GENETIC EQUILIBRIUM Ch pp Warm-up 2/24: Make a double bubble (or Venn diagram) comparing and contrasting convergent and.

EVOLUTION A CHANGE IN THE GENE POOL OF A POPULATION FROM GENERATION TO GENERATION EITHER BY MUTATION, SELECTION, OR GENETIC DRIFT.

The Process of Natural Selection

Evolution Practice Test

V. How Does Evolution Work?

Genetic Variation within Populations 11.1

Genomes and Their Evolution

EVOLUTIONARY THEORY JEAN BAPTISTE LAMARCK.

Evolution & Natural Selection

Genetic Variation Within Populations

Do Now Activity What is the difference between a homologous and vestigial structure? A long time ago, there were scientists that probably observed.

EVIDENCE FOR EVOLUTION

Natural Selection & Evolution

This is Evolution.

16.1 – Genetic Variation in Bacteria

Natural Selection is Survival of the fittest

The Theory of Evolution

Evidence for Evolution

Lesson Overview 17.1 Genes and Variation.

Evolution Notes.

Evolution Review.

Unit Vocabulary Natural selection allelic frequency adaptation gene pool fitness isolation (all) structures (3) ancestor embryology mutation variation molecular.

V. How Does Evolution Work?

SURVIVAL OF THE FITTEST

Evolution Vocab. Terms SB 5.

Presentation transcript:

Miki Lee / OEB 192 – Mobile genetic elements and adaptive mutation

IS family

Effects on bacterial evolution An important source of genetic variation – Insertion – Homologous recombination

Effects on bacterial evolution

— M-evolved — S-evolved — M+S-evolved — M/S-evolved

Mutation Luria–Delbrück experimentCairns–Foster system

Modified Cairns–Foster system

Kugelberg E. et.al. PNAS 2006;103:

Monday (11/17): Physiological basis of fitness

Upcoming talks Tuesday, 12/16 Rich Lenski Michigan State University 12:30 pm, 341 Warren Alpert (HMS)