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Untitled Prezi

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by

Rebekah Seymour

on 16 April 2013

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Transcript of Untitled Prezi

Arabidopsis
as a Model Organism describe the characteristics of Arabidopsis which makes it a suitable model organism and discuss how social and institutional factors contribute to the status of Arabidopsis as an model organism a simple non-human organism that is studied in great detail to provide knowledge on and understand particular biological phenomena, which then can further more be generalised to more complex organisms. small weed like plant belonging the the mustard family
phylum Angiospermophyta
closely related to crop plants such as turnip, cabbage and broccoli
life cycle of 6 weeks
15-20 cm tall in height Topic What is a model organism? what is Arabidopsis? Rats Arabidopsis CHARACTERISTIC THAT MAKE ARABIDOPSIS A SUITABLE MODEL ORGANISM Cost effective Genome 28,000 protein encoding genes
15,000 unique
only 5 chormosomes
high number of duplications which results in simple genome
genome has been completely sequenced Useful because? Researchers can distinguish genes involved in photosynthesis
water channels
cell wall development and growth
defense
metabolism helps in determining specific gene functions for crop enhancement effective in producing over 5,000 seeds in its short life cycle
are small in size and can be grown across a small area Accessible and suitable for laboratory environment 6 week life cycle can grow in a small space ability to be manipulated easily and maintained in a lab environment SOCIAL AND INSTITUTIONAL FACTORS THAT HAVE CONTRIBUTED TO THE STATUS OF ARIBIDOPSIS AS A MODEL ORGANISM First discovered by Johannes Thal Erna Roheinz made the first collection of mutants in 1945 Langridge played a vital role in the discovery and documentation of the properties of Arabidopsis in laboratory studies Funded by National science foundation, which has extremely strict requirements that NSF certified organisations need to meet. SUMMING UP Characteristic that makes Arabidopsis a suitable organism:
suitable to lab environment
small genome
cost effective due to short life span in which produces large amounts of seeds.
social and institutional factors that has contributed to status:
Researchers such as Laibach
NSF funding
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