Arabidopsis

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Arabidopsis (/əˌræbɪˈdoʊpsɪs/)

Arabidopsis is a genus of small flowering plants, commonly known as rockcress, within the family Brassicaceae. The most famous member of this genus is Arabidopsis thaliana, which is frequently used as a model organism in plant biology and genetics.

Etymology

The name Arabidopsis comes from the Greek words arabis, meaning "Arabian", and opsis, meaning "resembling". This is in reference to the genus's similarity to plants found in Arabia.

Description

Arabidopsis species are small, usually annual, herbaceous plants. The leaves are simple and arranged alternately along the stem. The flowers are small and borne in racemes, and the fruit is a dry, one-seeded silique.

Use in Research

Arabidopsis thaliana is widely used as a model organism in plant biology and genetics. It was the first plant to have its entire genome sequenced, and its relatively small genome size, short life cycle, and ease of cultivation make it an ideal model for genetic studies.

Related Terms

  • Brassicaceae: The family to which Arabidopsis belongs.
  • Model organism: An organism that is extensively studied to understand particular biological phenomena.
  • Genome: The complete set of genes or genetic material present in a cell or organism.
  • Silique: A type of fruit specific to the Brassicaceae family.

External links

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