'Replicative transposition' diaporamas de présentation

Transposon

Transposon. The discovery of Transposon. plant genomes are very rich in transposons. The ability of transposable element to alter the gene expression can often observed as dramatic variation in the coloration of the plant. The transposable elements

751 views • 66 slides

Mobile DNA

Mobile DNA. Chapter 15. ??? ???? http://genomed.dlearn.kmu.edu.tw. Sub-cellular Genetic Elements as Gene Creatures. Gene elements: Any molecule or segment of DNA or RNA that carries genetic information and acts as a heritable unit.

1.25k views • 65 slides

Microbial Genetics

543 views • 36 slides

Transposition

Transposition. Evidence Mechanisms: DNA-mediated RNA-mediated. Transposable elements. Mobile genetic elements - they move from one location in the genome to another Found in all organisms (so far studied) Effects: Insertion near or within a gene can inactivate or activate the target gene.

939 views • 31 slides

Transposons

Transposons. Chapter 21. 21.1 Introduction. Figure 21.1. 21.2 Insertion Sequences Are Simple Transposition Modules. An insertion sequence is a transposon that codes for the enzyme(s) needed for transposition flanked by short inverted terminal repeats.

595 views • 27 slides

Bacterial Transposons

744 views • 24 slides

Mutagens ???????

352 views • 18 slides

Transposons and Mechanisms of Transposition

Transposons and Mechanisms of Transposition. Wuda Wang (MCB720). Transposable Elements. Transposons -1. The Discovery of Transposable Element -2. Two types of transposons 2.1 Insertion Sequence (IS) 2.2 Composite Transposon

158 views • 11 slides

Transposons

Transposons. First discovered in plants. Transposons. Transposition to a new site. *Transposons can be autonomous or nonautonomous. *Three classes of transposons Class I : Retrotransposons Class II: Transposons Class III: Miniature Inverted-repeat Transposable Elements. Transposons.

425 views • 9 slides