10. Which family does arabidopsis thaliana belong? 11. What are the advantages of arabidopsis plant? 12. How many pairs of chromosomes are there in arabidopsis plant? 13. Why arabidopsis plant is a useful model plant?
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10. Arabidopsis thaliana belong to the mustard (Brassicaceae) family.
11. A. thaliana is now widely used for studying plant sciences, including genetics, evolution, population genetics, and plant development.
12. Within the genus Arabidopsis and its close relatives, basic chromosome numbers vary between 5, 6, 7, and 8, with most species having 8 chromosome pairs.
13. Although A. thaliana has little direct significance for agriculture, several of its traits make it a useful model for understanding the genetic, cellular, and molecular biology of flowering plants.
(i) It grows quickly, produces many very small seeds, has a small genome ~114.5 Mb and is genetically well characterised due to the volume of work being focused on this plant.
(ii) As a member of the Brassicaceae family it is linked to more important cultivated species such as cabbage, mustard and radish.
(iii) Exposing A. thaliana to Agrobacterium tumifaciens provides a means of efficient transformation vector making A. thaliana a versatile model organism for use in the biology laboratory.
(iv) A. thaliana is widely used in the fields of plant science, genetics and evolution and has helped further our understanding of germination and aspects of plant growth that are important in commercial crops.1,2 In recent years A. thaliana has even become a model organism for the study of the biochemical and molecular processes involved in human diseases.