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Arabidopsis

Presented by Anjalie Gunasekera

Arabidopsis Thaliana

- small flowering plant

- widely used as a model plant organism

- cultivated in a restricted space

Introduction

Native to Eurasia

Not this kind...

This kind of weed!

3 Characteristics

- Small size of genome

- Rapid generation time

- Ease with which mutations can be made

Characteristics

Small Genome

Small Genome

- 5 chromosomes mapped

- beneficial for detailed molecular genetic analysis

- Successfully sequenced genome in the year 2000

Short life cycle

Short life cycle

- Life cycle is only 6-8 weeks!!

- Many progeny (offspring=seeds) produced

- 6 generations produced in a year

- Seed goes from germination to maturation

Gene Mutation

Gene Mutation

- Can be transformed with ease

- Can be manipulated

- Scientists can use this information to manipulate plants in their environment

- E.g. Making certain plants more tolerable of environmental stresses such as heat

Social Factors

- Extensive research has bought Arabidopsis along way

- 1930's, the potential of Arabidopsis Thaliana was discovered

- By a man called Friedrich Laibach

- Scientists then took interest in Arabidopsis and started working together

Institutional Factors

- Researchers were encouraged to study more traditional model organisms

- Such as the Drosophila melanogaster (fruit fly)

- This caused high competition

- Instead geneticists saw potential in Arabidopsis Thaliana

- Soon the A.Thaliana community started working together to the advancement of the plant

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